Eliminado venv y www del repositorio, agrege un requirements igual

venv/lib/python3.8/site-packages/setuptools/__init__.py

@@ -1,8 +1,11 @@
 """Extensions to the 'distutils' for large or complex distributions"""
 
 import os
-import sys
 import functools
+
+# Disabled for now due to: #2228, #2230
+import setuptools.distutils_patch  # noqa: F401
+
 import distutils.core
 import distutils.filelist
 import re
@@ -17,7 +20,7 @@ from setuptools.extern.six.moves import filter, map
 
 import setuptools.version
 from setuptools.extension import Extension
-from setuptools.dist import Distribution, Feature
+from setuptools.dist import Distribution
 from setuptools.depends import Require
 from . import monkey
 
@@ -25,13 +28,13 @@ __metaclass__ = type
 
 
 __all__ = [
-    'setup', 'Distribution', 'Feature', 'Command', 'Extension', 'Require',
+    'setup', 'Distribution', 'Command', 'Extension', 'Require',
     'SetuptoolsDeprecationWarning',
     'find_packages'
 ]
 
 if PY3:
-  __all__.append('find_namespace_packages')
+    __all__.append('find_namespace_packages')
 
 __version__ = setuptools.version.__version__
 
@@ -123,16 +126,33 @@ class PEP420PackageFinder(PackageFinder):
 find_packages = PackageFinder.find
 
 if PY3:
-  find_namespace_packages = PEP420PackageFinder.find
+    find_namespace_packages = PEP420PackageFinder.find
 
 
 def _install_setup_requires(attrs):
     # Note: do not use `setuptools.Distribution` directly, as
     # our PEP 517 backend patch `distutils.core.Distribution`.
-    dist = distutils.core.Distribution(dict(
-        (k, v) for k, v in attrs.items()
-        if k in ('dependency_links', 'setup_requires')
-    ))
+    class MinimalDistribution(distutils.core.Distribution):
+        """
+        A minimal version of a distribution for supporting the
+        fetch_build_eggs interface.
+        """
+        def __init__(self, attrs):
+            _incl = 'dependency_links', 'setup_requires'
+            filtered = {
+                k: attrs[k]
+                for k in set(_incl) & set(attrs)
+            }
+            distutils.core.Distribution.__init__(self, filtered)
+
+        def finalize_options(self):
+            """
+            Disable finalize_options to avoid building the working set.
+            Ref #2158.
+            """
+
+    dist = MinimalDistribution(attrs)
+
     # Honor setup.cfg's options.
     dist.parse_config_files(ignore_option_errors=True)
     if dist.setup_requires:
@@ -144,6 +164,7 @@ def setup(**attrs):
     _install_setup_requires(attrs)
     return distutils.core.setup(**attrs)
 
+
 setup.__doc__ = distutils.core.setup.__doc__
 
 
@@ -191,8 +212,8 @@ class Command(_Command):
                 ok = False
             if not ok:
                 raise DistutilsOptionError(
-                      "'%s' must be a list of strings (got %r)"
-                      % (option, val))
+                    "'%s' must be a list of strings (got %r)"
+                    % (option, val))
 
     def reinitialize_command(self, command, reinit_subcommands=0, **kw):
         cmd = _Command.reinitialize_command(self, command, reinit_subcommands)
@@ -224,5 +245,9 @@ def findall(dir=os.curdir):
     return list(files)
 
 
+class sic(str):
+    """Treat this string as-is (https://en.wikipedia.org/wiki/Sic)"""
+
+
 # Apply monkey patches
 monkey.patch_all()

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/__about__.py

@@ -4,18 +4,24 @@
 from __future__ import absolute_import, division, print_function
 
 __all__ = [
-    "__title__", "__summary__", "__uri__", "__version__", "__author__",
-    "__email__", "__license__", "__copyright__",
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
 ]
 
 __title__ = "packaging"
 __summary__ = "Core utilities for Python packages"
 __uri__ = "https://github.com/pypa/packaging"
 
-__version__ = "16.8"
+__version__ = "19.2"
 
 __author__ = "Donald Stufft and individual contributors"
 __email__ = "donald@stufft.io"
 
 __license__ = "BSD or Apache License, Version 2.0"
-__copyright__ = "Copyright 2014-2016 %s" % __author__
+__copyright__ = "Copyright 2014-2019 %s" % __author__

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/__init__.py

@@ -4,11 +4,23 @@
 from __future__ import absolute_import, division, print_function
 
 from .__about__ import (
-    __author__, __copyright__, __email__, __license__, __summary__, __title__,
-    __uri__, __version__
+    __author__,
+    __copyright__,
+    __email__,
+    __license__,
+    __summary__,
+    __title__,
+    __uri__,
+    __version__,
 )
 
 __all__ = [
-    "__title__", "__summary__", "__uri__", "__version__", "__author__",
-    "__email__", "__license__", "__copyright__",
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
 ]

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/_compat.py

@@ -12,9 +12,9 @@ PY3 = sys.version_info[0] == 3
 # flake8: noqa
 
 if PY3:
-    string_types = str,
+    string_types = (str,)
 else:
-    string_types = basestring,
+    string_types = (basestring,)
 
 
 def with_metaclass(meta, *bases):
@@ -27,4 +27,5 @@ def with_metaclass(meta, *bases):
     class metaclass(meta):
         def __new__(cls, name, this_bases, d):
             return meta(name, bases, d)
-    return type.__new__(metaclass, 'temporary_class', (), {})
+
+    return type.__new__(metaclass, "temporary_class", (), {})

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/_structures.py

@@ -5,7 +5,6 @@ from __future__ import absolute_import, division, print_function
 
 
 class Infinity(object):
-
     def __repr__(self):
         return "Infinity"
 
@@ -33,11 +32,11 @@ class Infinity(object):
     def __neg__(self):
         return NegativeInfinity
 
+
 Infinity = Infinity()
 
 
 class NegativeInfinity(object):
-
     def __repr__(self):
         return "-Infinity"
 
@@ -65,4 +64,5 @@ class NegativeInfinity(object):
     def __neg__(self):
         return Infinity
 
+
 NegativeInfinity = NegativeInfinity()

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/markers.py

@@ -17,8 +17,11 @@ from .specifiers import Specifier, InvalidSpecifier
 
 
 __all__ = [
-    "InvalidMarker", "UndefinedComparison", "UndefinedEnvironmentName",
-    "Marker", "default_environment",
+    "InvalidMarker",
+    "UndefinedComparison",
+    "UndefinedEnvironmentName",
+    "Marker",
+    "default_environment",
 ]
 
 
@@ -42,7 +45,6 @@ class UndefinedEnvironmentName(ValueError):
 
 
 class Node(object):
-
     def __init__(self, value):
         self.value = value
 
@@ -57,62 +59,52 @@ class Node(object):
 
 
 class Variable(Node):
-
     def serialize(self):
         return str(self)
 
 
 class Value(Node):
-
     def serialize(self):
         return '"{0}"'.format(self)
 
 
 class Op(Node):
-
     def serialize(self):
         return str(self)
 
 
 VARIABLE = (
-    L("implementation_version") |
-    L("platform_python_implementation") |
-    L("implementation_name") |
-    L("python_full_version") |
-    L("platform_release") |
-    L("platform_version") |
-    L("platform_machine") |
-    L("platform_system") |
-    L("python_version") |
-    L("sys_platform") |
-    L("os_name") |
-    L("os.name") |  # PEP-345
-    L("sys.platform") |  # PEP-345
-    L("platform.version") |  # PEP-345
-    L("platform.machine") |  # PEP-345
-    L("platform.python_implementation") |  # PEP-345
-    L("python_implementation") |  # undocumented setuptools legacy
-    L("extra")
+    L("implementation_version")
+    | L("platform_python_implementation")
+    | L("implementation_name")
+    | L("python_full_version")
+    | L("platform_release")
+    | L("platform_version")
+    | L("platform_machine")
+    | L("platform_system")
+    | L("python_version")
+    | L("sys_platform")
+    | L("os_name")
+    | L("os.name")
+    | L("sys.platform")  # PEP-345
+    | L("platform.version")  # PEP-345
+    | L("platform.machine")  # PEP-345
+    | L("platform.python_implementation")  # PEP-345
+    | L("python_implementation")  # PEP-345
+    | L("extra")  # undocumented setuptools legacy
 )
 ALIASES = {
-    'os.name': 'os_name',
-    'sys.platform': 'sys_platform',
-    'platform.version': 'platform_version',
-    'platform.machine': 'platform_machine',
-    'platform.python_implementation': 'platform_python_implementation',
-    'python_implementation': 'platform_python_implementation'
+    "os.name": "os_name",
+    "sys.platform": "sys_platform",
+    "platform.version": "platform_version",
+    "platform.machine": "platform_machine",
+    "platform.python_implementation": "platform_python_implementation",
+    "python_implementation": "platform_python_implementation",
 }
 VARIABLE.setParseAction(lambda s, l, t: Variable(ALIASES.get(t[0], t[0])))
 
 VERSION_CMP = (
-    L("===") |
-    L("==") |
-    L(">=") |
-    L("<=") |
-    L("!=") |
-    L("~=") |
-    L(">") |
-    L("<")
+    L("===") | L("==") | L(">=") | L("<=") | L("!=") | L("~=") | L(">") | L("<")
 )
 
 MARKER_OP = VERSION_CMP | L("not in") | L("in")
@@ -152,8 +144,11 @@ def _format_marker(marker, first=True):
     # where the single item is itself it's own list. In that case we want skip
     # the rest of this function so that we don't get extraneous () on the
     # outside.
-    if (isinstance(marker, list) and len(marker) == 1 and
-            isinstance(marker[0], (list, tuple))):
+    if (
+        isinstance(marker, list)
+        and len(marker) == 1
+        and isinstance(marker[0], (list, tuple))
+    ):
         return _format_marker(marker[0])
 
     if isinstance(marker, list):
@@ -239,20 +234,20 @@ def _evaluate_markers(markers, environment):
 
 
 def format_full_version(info):
-    version = '{0.major}.{0.minor}.{0.micro}'.format(info)
+    version = "{0.major}.{0.minor}.{0.micro}".format(info)
     kind = info.releaselevel
-    if kind != 'final':
+    if kind != "final":
         version += kind[0] + str(info.serial)
     return version
 
 
 def default_environment():
-    if hasattr(sys, 'implementation'):
+    if hasattr(sys, "implementation"):
         iver = format_full_version(sys.implementation.version)
         implementation_name = sys.implementation.name
     else:
-        iver = '0'
-        implementation_name = ''
+        iver = "0"
+        implementation_name = ""
 
     return {
         "implementation_name": implementation_name,
@@ -264,19 +259,19 @@ def default_environment():
         "platform_version": platform.version(),
         "python_full_version": platform.python_version(),
         "platform_python_implementation": platform.python_implementation(),
-        "python_version": platform.python_version()[:3],
+        "python_version": ".".join(platform.python_version_tuple()[:2]),
         "sys_platform": sys.platform,
     }
 
 
 class Marker(object):
-
     def __init__(self, marker):
         try:
             self._markers = _coerce_parse_result(MARKER.parseString(marker))
         except ParseException as e:
             err_str = "Invalid marker: {0!r}, parse error at {1!r}".format(
-                marker, marker[e.loc:e.loc + 8])
+                marker, marker[e.loc : e.loc + 8]
+            )
             raise InvalidMarker(err_str)
 
     def __str__(self):

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/requirements.py

@@ -38,8 +38,8 @@ IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END))
 NAME = IDENTIFIER("name")
 EXTRA = IDENTIFIER
 
-URI = Regex(r'[^ ]+')("url")
-URL = (AT + URI)
+URI = Regex(r"[^ ]+")("url")
+URL = AT + URI
 
 EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA)
 EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras")
@@ -48,28 +48,31 @@ VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE)
 VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE)
 
 VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY
-VERSION_MANY = Combine(VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE),
-                       joinString=",", adjacent=False)("_raw_spec")
+VERSION_MANY = Combine(
+    VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False
+)("_raw_spec")
 _VERSION_SPEC = Optional(((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY))
-_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or '')
+_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or "")
 
 VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier")
 VERSION_SPEC.setParseAction(lambda s, l, t: t[1])
 
 MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
 MARKER_EXPR.setParseAction(
-    lambda s, l, t: Marker(s[t._original_start:t._original_end])
+    lambda s, l, t: Marker(s[t._original_start : t._original_end])
 )
-MARKER_SEPERATOR = SEMICOLON
-MARKER = MARKER_SEPERATOR + MARKER_EXPR
+MARKER_SEPARATOR = SEMICOLON
+MARKER = MARKER_SEPARATOR + MARKER_EXPR
 
 VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER)
 URL_AND_MARKER = URL + Optional(MARKER)
 
-NAMED_REQUIREMENT = \
-    NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)
+NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)
 
 REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd
+# setuptools.extern.pyparsing isn't thread safe during initialization, so we do it eagerly, see
+# issue #104
+REQUIREMENT.parseString("x[]")
 
 
 class Requirement(object):
@@ -90,15 +93,21 @@ class Requirement(object):
             req = REQUIREMENT.parseString(requirement_string)
         except ParseException as e:
             raise InvalidRequirement(
-                "Invalid requirement, parse error at \"{0!r}\"".format(
-                    requirement_string[e.loc:e.loc + 8]))
+                'Parse error at "{0!r}": {1}'.format(
+                    requirement_string[e.loc : e.loc + 8], e.msg
+                )
+            )
 
         self.name = req.name
         if req.url:
             parsed_url = urlparse.urlparse(req.url)
-            if not (parsed_url.scheme and parsed_url.netloc) or (
-                    not parsed_url.scheme and not parsed_url.netloc):
-                raise InvalidRequirement("Invalid URL given")
+            if parsed_url.scheme == "file":
+                if urlparse.urlunparse(parsed_url) != req.url:
+                    raise InvalidRequirement("Invalid URL given")
+            elif not (parsed_url.scheme and parsed_url.netloc) or (
+                not parsed_url.scheme and not parsed_url.netloc
+            ):
+                raise InvalidRequirement("Invalid URL: {0}".format(req.url))
             self.url = req.url
         else:
             self.url = None
@@ -117,6 +126,8 @@ class Requirement(object):
 
         if self.url:
             parts.append("@ {0}".format(self.url))
+            if self.marker:
+                parts.append(" ")
 
         if self.marker:
             parts.append("; {0}".format(self.marker))

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/specifiers.py

@@ -19,7 +19,6 @@ class InvalidSpecifier(ValueError):
 
 
 class BaseSpecifier(with_metaclass(abc.ABCMeta, object)):
-
     @abc.abstractmethod
     def __str__(self):
         """
@@ -84,10 +83,7 @@ class _IndividualSpecifier(BaseSpecifier):
         if not match:
             raise InvalidSpecifier("Invalid specifier: '{0}'".format(spec))
 
-        self._spec = (
-            match.group("operator").strip(),
-            match.group("version").strip(),
-        )
+        self._spec = (match.group("operator").strip(), match.group("version").strip())
 
         # Store whether or not this Specifier should accept prereleases
         self._prereleases = prereleases
@@ -99,11 +95,7 @@ class _IndividualSpecifier(BaseSpecifier):
             else ""
         )
 
-        return "<{0}({1!r}{2})>".format(
-            self.__class__.__name__,
-            str(self),
-            pre,
-        )
+        return "<{0}({1!r}{2})>".format(self.__class__.__name__, str(self), pre)
 
     def __str__(self):
         return "{0}{1}".format(*self._spec)
@@ -194,11 +186,12 @@ class _IndividualSpecifier(BaseSpecifier):
                 # If our version is a prerelease, and we were not set to allow
                 # prereleases, then we'll store it for later incase nothing
                 # else matches this specifier.
-                if (parsed_version.is_prerelease and not
-                        (prereleases or self.prereleases)):
+                if parsed_version.is_prerelease and not (
+                    prereleases or self.prereleases
+                ):
                     found_prereleases.append(version)
                 # Either this is not a prerelease, or we should have been
-                # accepting prereleases from the begining.
+                # accepting prereleases from the beginning.
                 else:
                     yielded = True
                     yield version
@@ -213,8 +206,7 @@ class _IndividualSpecifier(BaseSpecifier):
 
 class LegacySpecifier(_IndividualSpecifier):
 
-    _regex_str = (
-        r"""
+    _regex_str = r"""
         (?P<operator>(==|!=|<=|>=|<|>))
         \s*
         (?P<version>
@@ -225,10 +217,8 @@ class LegacySpecifier(_IndividualSpecifier):
                       # them, and a comma since it's a version separator.
         )
         """
-    )
 
-    _regex = re.compile(
-        r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
 
     _operators = {
         "==": "equal",
@@ -269,13 +259,13 @@ def _require_version_compare(fn):
         if not isinstance(prospective, Version):
             return False
         return fn(self, prospective, spec)
+
     return wrapped
 
 
 class Specifier(_IndividualSpecifier):
 
-    _regex_str = (
-        r"""
+    _regex_str = r"""
         (?P<operator>(~=|==|!=|<=|>=|<|>|===))
         (?P<version>
             (?:
@@ -367,10 +357,8 @@ class Specifier(_IndividualSpecifier):
             )
         )
         """
-    )
 
-    _regex = re.compile(
-        r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
+    _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE)
 
     _operators = {
         "~=": "compatible",
@@ -397,8 +385,7 @@ class Specifier(_IndividualSpecifier):
         prefix = ".".join(
             list(
                 itertools.takewhile(
-                    lambda x: (not x.startswith("post") and not
-                               x.startswith("dev")),
+                    lambda x: (not x.startswith("post") and not x.startswith("dev")),
                     _version_split(spec),
                 )
             )[:-1]
@@ -407,8 +394,9 @@ class Specifier(_IndividualSpecifier):
         # Add the prefix notation to the end of our string
         prefix += ".*"
 
-        return (self._get_operator(">=")(prospective, spec) and
-                self._get_operator("==")(prospective, prefix))
+        return self._get_operator(">=")(prospective, spec) and self._get_operator("==")(
+            prospective, prefix
+        )
 
     @_require_version_compare
     def _compare_equal(self, prospective, spec):
@@ -428,7 +416,7 @@ class Specifier(_IndividualSpecifier):
             # Shorten the prospective version to be the same length as the spec
             # so that we can determine if the specifier is a prefix of the
             # prospective version or not.
-            prospective = prospective[:len(spec)]
+            prospective = prospective[: len(spec)]
 
             # Pad out our two sides with zeros so that they both equal the same
             # length.
@@ -503,7 +491,7 @@ class Specifier(_IndividualSpecifier):
                 return False
 
         # Ensure that we do not allow a local version of the version mentioned
-        # in the specifier, which is techincally greater than, to match.
+        # in the specifier, which is technically greater than, to match.
         if prospective.local is not None:
             if Version(prospective.base_version) == Version(spec.base_version):
                 return False
@@ -567,27 +555,17 @@ def _pad_version(left, right):
     right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right)))
 
     # Get the rest of our versions
-    left_split.append(left[len(left_split[0]):])
-    right_split.append(right[len(right_split[0]):])
+    left_split.append(left[len(left_split[0]) :])
+    right_split.append(right[len(right_split[0]) :])
 
     # Insert our padding
-    left_split.insert(
-        1,
-        ["0"] * max(0, len(right_split[0]) - len(left_split[0])),
-    )
-    right_split.insert(
-        1,
-        ["0"] * max(0, len(left_split[0]) - len(right_split[0])),
-    )
+    left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0])))
+    right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0])))
 
-    return (
-        list(itertools.chain(*left_split)),
-        list(itertools.chain(*right_split)),
-    )
+    return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split)))
 
 
 class SpecifierSet(BaseSpecifier):
-
     def __init__(self, specifiers="", prereleases=None):
         # Split on , to break each indidivual specifier into it's own item, and
         # strip each item to remove leading/trailing whitespace.
@@ -721,10 +699,7 @@ class SpecifierSet(BaseSpecifier):
         # given version is contained within all of them.
         # Note: This use of all() here means that an empty set of specifiers
         #       will always return True, this is an explicit design decision.
-        return all(
-            s.contains(item, prereleases=prereleases)
-            for s in self._specs
-        )
+        return all(s.contains(item, prereleases=prereleases) for s in self._specs)
 
     def filter(self, iterable, prereleases=None):
         # Determine if we're forcing a prerelease or not, if we're not forcing

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/utils.py

@@ -5,6 +5,8 @@ from __future__ import absolute_import, division, print_function
 
 import re
 
+from .version import InvalidVersion, Version
+
 
 _canonicalize_regex = re.compile(r"[-_.]+")
 
@@ -12,3 +14,44 @@ _canonicalize_regex = re.compile(r"[-_.]+")
 def canonicalize_name(name):
     # This is taken from PEP 503.
     return _canonicalize_regex.sub("-", name).lower()
+
+
+def canonicalize_version(version):
+    """
+    This is very similar to Version.__str__, but has one subtle differences
+    with the way it handles the release segment.
+    """
+
+    try:
+        version = Version(version)
+    except InvalidVersion:
+        # Legacy versions cannot be normalized
+        return version
+
+    parts = []
+
+    # Epoch
+    if version.epoch != 0:
+        parts.append("{0}!".format(version.epoch))
+
+    # Release segment
+    # NB: This strips trailing '.0's to normalize
+    parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in version.release)))
+
+    # Pre-release
+    if version.pre is not None:
+        parts.append("".join(str(x) for x in version.pre))
+
+    # Post-release
+    if version.post is not None:
+        parts.append(".post{0}".format(version.post))
+
+    # Development release
+    if version.dev is not None:
+        parts.append(".dev{0}".format(version.dev))
+
+    # Local version segment
+    if version.local is not None:
+        parts.append("+{0}".format(version.local))
+
+    return "".join(parts)

venv/lib/python3.8/site-packages/setuptools/_vendor/packaging/version.py

@@ -10,14 +10,11 @@ import re
 from ._structures import Infinity
 
 
-__all__ = [
-    "parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"
-]
+__all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"]
 
 
 _Version = collections.namedtuple(
-    "_Version",
-    ["epoch", "release", "dev", "pre", "post", "local"],
+    "_Version", ["epoch", "release", "dev", "pre", "post", "local"]
 )
 
 
@@ -40,7 +37,6 @@ class InvalidVersion(ValueError):
 
 
 class _BaseVersion(object):
-
     def __hash__(self):
         return hash(self._key)
 
@@ -70,7 +66,6 @@ class _BaseVersion(object):
 
 
 class LegacyVersion(_BaseVersion):
-
     def __init__(self, version):
         self._version = str(version)
         self._key = _legacy_cmpkey(self._version)
@@ -89,6 +84,26 @@ class LegacyVersion(_BaseVersion):
     def base_version(self):
         return self._version
 
+    @property
+    def epoch(self):
+        return -1
+
+    @property
+    def release(self):
+        return None
+
+    @property
+    def pre(self):
+        return None
+
+    @property
+    def post(self):
+        return None
+
+    @property
+    def dev(self):
+        return None
+
     @property
     def local(self):
         return None
@@ -101,13 +116,19 @@ class LegacyVersion(_BaseVersion):
     def is_postrelease(self):
         return False
 
+    @property
+    def is_devrelease(self):
+        return False
 
-_legacy_version_component_re = re.compile(
-    r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE,
-)
+
+_legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE)
 
 _legacy_version_replacement_map = {
-    "pre": "c", "preview": "c", "-": "final-", "rc": "c", "dev": "@",
+    "pre": "c",
+    "preview": "c",
+    "-": "final-",
+    "rc": "c",
+    "dev": "@",
 }
 
 
@@ -154,6 +175,7 @@ def _legacy_cmpkey(version):
 
     return epoch, parts
 
+
 # Deliberately not anchored to the start and end of the string, to make it
 # easier for 3rd party code to reuse
 VERSION_PATTERN = r"""
@@ -190,10 +212,7 @@ VERSION_PATTERN = r"""
 
 class Version(_BaseVersion):
 
-    _regex = re.compile(
-        r"^\s*" + VERSION_PATTERN + r"\s*$",
-        re.VERBOSE | re.IGNORECASE,
-    )
+    _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE)
 
     def __init__(self, version):
         # Validate the version and parse it into pieces
@@ -205,18 +224,11 @@ class Version(_BaseVersion):
         self._version = _Version(
             epoch=int(match.group("epoch")) if match.group("epoch") else 0,
             release=tuple(int(i) for i in match.group("release").split(".")),
-            pre=_parse_letter_version(
-                match.group("pre_l"),
-                match.group("pre_n"),
-            ),
+            pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")),
             post=_parse_letter_version(
-                match.group("post_l"),
-                match.group("post_n1") or match.group("post_n2"),
-            ),
-            dev=_parse_letter_version(
-                match.group("dev_l"),
-                match.group("dev_n"),
+                match.group("post_l"), match.group("post_n1") or match.group("post_n2")
             ),
+            dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")),
             local=_parse_local_version(match.group("local")),
         )
 
@@ -237,32 +249,57 @@ class Version(_BaseVersion):
         parts = []
 
         # Epoch
-        if self._version.epoch != 0:
-            parts.append("{0}!".format(self._version.epoch))
+        if self.epoch != 0:
+            parts.append("{0}!".format(self.epoch))
 
         # Release segment
-        parts.append(".".join(str(x) for x in self._version.release))
+        parts.append(".".join(str(x) for x in self.release))
 
         # Pre-release
-        if self._version.pre is not None:
-            parts.append("".join(str(x) for x in self._version.pre))
+        if self.pre is not None:
+            parts.append("".join(str(x) for x in self.pre))
 
         # Post-release
-        if self._version.post is not None:
-            parts.append(".post{0}".format(self._version.post[1]))
+        if self.post is not None:
+            parts.append(".post{0}".format(self.post))
 
         # Development release
-        if self._version.dev is not None:
-            parts.append(".dev{0}".format(self._version.dev[1]))
+        if self.dev is not None:
+            parts.append(".dev{0}".format(self.dev))
 
         # Local version segment
-        if self._version.local is not None:
-            parts.append(
-                "+{0}".format(".".join(str(x) for x in self._version.local))
-            )
+        if self.local is not None:
+            parts.append("+{0}".format(self.local))
 
         return "".join(parts)
 
+    @property
+    def epoch(self):
+        return self._version.epoch
+
+    @property
+    def release(self):
+        return self._version.release
+
+    @property
+    def pre(self):
+        return self._version.pre
+
+    @property
+    def post(self):
+        return self._version.post[1] if self._version.post else None
+
+    @property
+    def dev(self):
+        return self._version.dev[1] if self._version.dev else None
+
+    @property
+    def local(self):
+        if self._version.local:
+            return ".".join(str(x) for x in self._version.local)
+        else:
+            return None
+
     @property
     def public(self):
         return str(self).split("+", 1)[0]
@@ -272,27 +309,25 @@ class Version(_BaseVersion):
         parts = []
 
         # Epoch
-        if self._version.epoch != 0:
-            parts.append("{0}!".format(self._version.epoch))
+        if self.epoch != 0:
+            parts.append("{0}!".format(self.epoch))
 
         # Release segment
-        parts.append(".".join(str(x) for x in self._version.release))
+        parts.append(".".join(str(x) for x in self.release))
 
         return "".join(parts)
 
-    @property
-    def local(self):
-        version_string = str(self)
-        if "+" in version_string:
-            return version_string.split("+", 1)[1]
-
     @property
     def is_prerelease(self):
-        return bool(self._version.dev or self._version.pre)
+        return self.dev is not None or self.pre is not None
 
     @property
     def is_postrelease(self):
-        return bool(self._version.post)
+        return self.post is not None
+
+    @property
+    def is_devrelease(self):
+        return self.dev is not None
 
 
 def _parse_letter_version(letter, number):
@@ -326,7 +361,7 @@ def _parse_letter_version(letter, number):
         return letter, int(number)
 
 
-_local_version_seperators = re.compile(r"[\._-]")
+_local_version_separators = re.compile(r"[\._-]")
 
 
 def _parse_local_version(local):
@@ -336,7 +371,7 @@ def _parse_local_version(local):
     if local is not None:
         return tuple(
             part.lower() if not part.isdigit() else int(part)
-            for part in _local_version_seperators.split(local)
+            for part in _local_version_separators.split(local)
         )
 
 
@@ -347,12 +382,7 @@ def _cmpkey(epoch, release, pre, post, dev, local):
     # re-reverse it back into the correct order and make it a tuple and use
     # that for our sorting key.
     release = tuple(
-        reversed(list(
-            itertools.dropwhile(
-                lambda x: x == 0,
-                reversed(release),
-            )
-        ))
+        reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release))))
     )
 
     # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0.
@@ -385,9 +415,6 @@ def _cmpkey(epoch, release, pre, post, dev, local):
         # - Numeric segments sort numerically
         # - Shorter versions sort before longer versions when the prefixes
         #   match exactly
-        local = tuple(
-            (i, "") if isinstance(i, int) else (-Infinity, i)
-            for i in local
-        )
+        local = tuple((i, "") if isinstance(i, int) else (-Infinity, i) for i in local)
 
     return epoch, release, pre, post, dev, local

venv/lib/python3.8/site-packages/setuptools/archive_util.py

@@ -25,7 +25,8 @@ def default_filter(src, dst):
     return dst
 
 
-def unpack_archive(filename, extract_dir, progress_filter=default_filter,
+def unpack_archive(
+        filename, extract_dir, progress_filter=default_filter,
         drivers=None):
     """Unpack `filename` to `extract_dir`, or raise ``UnrecognizedFormat``
 
@@ -133,10 +134,10 @@ def unpack_tarfile(filename, extract_dir, progress_filter=default_filter):
     """
     try:
         tarobj = tarfile.open(filename)
-    except tarfile.TarError:
+    except tarfile.TarError as e:
         raise UnrecognizedFormat(
             "%s is not a compressed or uncompressed tar file" % (filename,)
-        )
+        ) from e
     with contextlib.closing(tarobj):
         # don't do any chowning!
         tarobj.chown = lambda *args: None
@@ -148,7 +149,8 @@ def unpack_tarfile(filename, extract_dir, progress_filter=default_filter):
 
                 # resolve any links and to extract the link targets as normal
                 # files
-                while member is not None and (member.islnk() or member.issym()):
+                while member is not None and (
+                        member.islnk() or member.issym()):
                     linkpath = member.linkname
                     if member.issym():
                         base = posixpath.dirname(member.name)

venv/lib/python3.8/site-packages/setuptools/build_meta.py

@@ -38,7 +38,6 @@ import distutils
 from setuptools.py31compat import TemporaryDirectory
 
 from pkg_resources import parse_requirements
-from pkg_resources.py31compat import makedirs
 
 __all__ = ['get_requires_for_build_sdist',
            'get_requires_for_build_wheel',
@@ -48,6 +47,7 @@ __all__ = ['get_requires_for_build_sdist',
            '__legacy__',
            'SetupRequirementsError']
 
+
 class SetupRequirementsError(BaseException):
     def __init__(self, specifiers):
         self.specifiers = specifiers
@@ -143,7 +143,8 @@ class _BuildMetaBackend(object):
 
     def get_requires_for_build_wheel(self, config_settings=None):
         config_settings = self._fix_config(config_settings)
-        return self._get_build_requires(config_settings, requirements=['wheel'])
+        return self._get_build_requires(
+            config_settings, requirements=['wheel'])
 
     def get_requires_for_build_sdist(self, config_settings=None):
         config_settings = self._fix_config(config_settings)
@@ -160,8 +161,10 @@ class _BuildMetaBackend(object):
             dist_infos = [f for f in os.listdir(dist_info_directory)
                           if f.endswith('.dist-info')]
 
-            if (len(dist_infos) == 0 and
-                len(_get_immediate_subdirectories(dist_info_directory)) == 1):
+            if (
+                len(dist_infos) == 0 and
+                len(_get_immediate_subdirectories(dist_info_directory)) == 1
+            ):
 
                 dist_info_directory = os.path.join(
                     dist_info_directory, os.listdir(dist_info_directory)[0])
@@ -186,14 +189,15 @@ class _BuildMetaBackend(object):
         result_directory = os.path.abspath(result_directory)
 
         # Build in a temporary directory, then copy to the target.
-        makedirs(result_directory, exist_ok=True)
+        os.makedirs(result_directory, exist_ok=True)
         with TemporaryDirectory(dir=result_directory) as tmp_dist_dir:
             sys.argv = (sys.argv[:1] + setup_command +
                         ['--dist-dir', tmp_dist_dir] +
                         config_settings["--global-option"])
             self.run_setup()
 
-            result_basename = _file_with_extension(tmp_dist_dir, result_extension)
+            result_basename = _file_with_extension(
+                tmp_dist_dir, result_extension)
             result_path = os.path.join(result_directory, result_basename)
             if os.path.exists(result_path):
                 # os.rename will fail overwriting on non-Unix.
@@ -202,7 +206,6 @@ class _BuildMetaBackend(object):
 
         return result_basename
 
-
     def build_wheel(self, wheel_directory, config_settings=None,
                     metadata_directory=None):
         return self._build_with_temp_dir(['bdist_wheel'], '.whl',
@@ -217,9 +220,12 @@ class _BuildMetaBackend(object):
 class _BuildMetaLegacyBackend(_BuildMetaBackend):
     """Compatibility backend for setuptools
 
-    This is a version of setuptools.build_meta that endeavors to maintain backwards
-    compatibility with pre-PEP 517 modes of invocation. It exists as a temporary
-    bridge between the old packaging mechanism and the new packaging mechanism,
+    This is a version of setuptools.build_meta that endeavors
+    to maintain backwards
+    compatibility with pre-PEP 517 modes of invocation. It
+    exists as a temporary
+    bridge between the old packaging mechanism and the new
+    packaging mechanism,
     and will eventually be removed.
     """
     def run_setup(self, setup_script='setup.py'):
@@ -232,6 +238,12 @@ class _BuildMetaLegacyBackend(_BuildMetaBackend):
         if script_dir not in sys.path:
             sys.path.insert(0, script_dir)
 
+        # Some setup.py scripts (e.g. in pygame and numpy) use sys.argv[0] to
+        # get the directory of the source code. They expect it to refer to the
+        # setup.py script.
+        sys_argv_0 = sys.argv[0]
+        sys.argv[0] = setup_script
+
         try:
             super(_BuildMetaLegacyBackend,
                   self).run_setup(setup_script=setup_script)
@@ -242,6 +254,8 @@ class _BuildMetaLegacyBackend(_BuildMetaBackend):
             # the original path so that the path manipulation does not persist
             # within the hook after run_setup is called.
             sys.path[:] = sys_path
+            sys.argv[0] = sys_argv_0
+
 
 # The primary backend
 _BACKEND = _BuildMetaBackend()

venv/lib/python3.8/site-packages/setuptools/command/__init__.py

@@ -2,8 +2,7 @@ __all__ = [
     'alias', 'bdist_egg', 'bdist_rpm', 'build_ext', 'build_py', 'develop',
     'easy_install', 'egg_info', 'install', 'install_lib', 'rotate', 'saveopts',
     'sdist', 'setopt', 'test', 'install_egg_info', 'install_scripts',
-    'register', 'bdist_wininst', 'upload_docs', 'upload', 'build_clib',
-    'dist_info',
+    'bdist_wininst', 'upload_docs', 'build_clib', 'dist_info',
 ]
 
 from distutils.command.bdist import bdist

venv/lib/python3.8/site-packages/setuptools/command/bdist_egg.py

@@ -11,13 +11,14 @@ import os
 import re
 import textwrap
 import marshal
+import warnings
 
 from setuptools.extern import six
 
 from pkg_resources import get_build_platform, Distribution, ensure_directory
 from pkg_resources import EntryPoint
 from setuptools.extension import Library
-from setuptools import Command
+from setuptools import Command, SetuptoolsDeprecationWarning
 
 try:
     # Python 2.7 or >=3.2
@@ -54,10 +55,11 @@ def write_stub(resource, pyfile):
     _stub_template = textwrap.dedent("""
         def __bootstrap__():
             global __bootstrap__, __loader__, __file__
-            import sys, pkg_resources, imp
+            import sys, pkg_resources
+            from importlib.machinery import ExtensionFileLoader
             __file__ = pkg_resources.resource_filename(__name__, %r)
             __loader__ = None; del __bootstrap__, __loader__
-            imp.load_dynamic(__name__,__file__)
+            ExtensionFileLoader(__name__,__file__).load_module()
         __bootstrap__()
         """).lstrip()
     with open(pyfile, 'w') as f:
@@ -278,13 +280,19 @@ class bdist_egg(Command):
         if ep is None:
             return 'w'  # not an eggsecutable, do it the usual way.
 
+        warnings.warn(
+            "Eggsecutables are deprecated and will be removed in a future "
+            "version.",
+            SetuptoolsDeprecationWarning
+        )
+
         if not ep.attrs or ep.extras:
             raise DistutilsSetupError(
                 "eggsecutable entry point (%r) cannot have 'extras' "
                 "or refer to a module" % (ep,)
             )
 
-        pyver = sys.version[:3]
+        pyver = '{}.{}'.format(*sys.version_info)
         pkg = ep.module_name
         full = '.'.join(ep.attrs)
         base = ep.attrs[0]

venv/lib/python3.8/site-packages/setuptools/command/bdist_wininst.py

@@ -1,4 +1,7 @@
 import distutils.command.bdist_wininst as orig
+import warnings
+
+from setuptools import SetuptoolsDeprecationWarning
 
 
 class bdist_wininst(orig.bdist_wininst):
@@ -14,6 +17,12 @@ class bdist_wininst(orig.bdist_wininst):
         return cmd
 
     def run(self):
+        warnings.warn(
+            "bdist_wininst is deprecated and will be removed in a future "
+            "version. Use bdist_wheel (wheel packages) instead.",
+            SetuptoolsDeprecationWarning
+        )
+
         self._is_running = True
         try:
             orig.bdist_wininst.run(self)

venv/lib/python3.8/site-packages/setuptools/command/build_clib.py

@@ -25,9 +25,9 @@ class build_clib(orig.build_clib):
             sources = build_info.get('sources')
             if sources is None or not isinstance(sources, (list, tuple)):
                 raise DistutilsSetupError(
-                       "in 'libraries' option (library '%s'), "
-                       "'sources' must be present and must be "
-                       "a list of source filenames" % lib_name)
+                    "in 'libraries' option (library '%s'), "
+                    "'sources' must be present and must be "
+                    "a list of source filenames" % lib_name)
             sources = list(sources)
 
             log.info("building '%s' library", lib_name)
@@ -38,9 +38,9 @@ class build_clib(orig.build_clib):
             obj_deps = build_info.get('obj_deps', dict())
             if not isinstance(obj_deps, dict):
                 raise DistutilsSetupError(
-                       "in 'libraries' option (library '%s'), "
-                       "'obj_deps' must be a dictionary of "
-                       "type 'source: list'" % lib_name)
+                    "in 'libraries' option (library '%s'), "
+                    "'obj_deps' must be a dictionary of "
+                    "type 'source: list'" % lib_name)
             dependencies = []
 
             # Get the global dependencies that are specified by the '' key.
@@ -48,9 +48,9 @@ class build_clib(orig.build_clib):
             global_deps = obj_deps.get('', list())
             if not isinstance(global_deps, (list, tuple)):
                 raise DistutilsSetupError(
-                       "in 'libraries' option (library '%s'), "
-                       "'obj_deps' must be a dictionary of "
-                       "type 'source: list'" % lib_name)
+                    "in 'libraries' option (library '%s'), "
+                    "'obj_deps' must be a dictionary of "
+                    "type 'source: list'" % lib_name)
 
             # Build the list to be used by newer_pairwise_group
             # each source will be auto-added to its dependencies.
@@ -60,39 +60,42 @@ class build_clib(orig.build_clib):
                 extra_deps = obj_deps.get(source, list())
                 if not isinstance(extra_deps, (list, tuple)):
                     raise DistutilsSetupError(
-                           "in 'libraries' option (library '%s'), "
-                           "'obj_deps' must be a dictionary of "
-                           "type 'source: list'" % lib_name)
+                        "in 'libraries' option (library '%s'), "
+                        "'obj_deps' must be a dictionary of "
+                        "type 'source: list'" % lib_name)
                 src_deps.extend(extra_deps)
                 dependencies.append(src_deps)
 
             expected_objects = self.compiler.object_filenames(
-                    sources,
-                    output_dir=self.build_temp
-                    )
+                sources,
+                output_dir=self.build_temp,
+            )
 
-            if newer_pairwise_group(dependencies, expected_objects) != ([], []):
+            if (
+                newer_pairwise_group(dependencies, expected_objects)
+                != ([], [])
+            ):
                 # First, compile the source code to object files in the library
                 # directory.  (This should probably change to putting object
                 # files in a temporary build directory.)
                 macros = build_info.get('macros')
                 include_dirs = build_info.get('include_dirs')
                 cflags = build_info.get('cflags')
-                objects = self.compiler.compile(
-                        sources,
-                        output_dir=self.build_temp,
-                        macros=macros,
-                        include_dirs=include_dirs,
-                        extra_postargs=cflags,
-                        debug=self.debug
-                        )
+                self.compiler.compile(
+                    sources,
+                    output_dir=self.build_temp,
+                    macros=macros,
+                    include_dirs=include_dirs,
+                    extra_postargs=cflags,
+                    debug=self.debug
+                )
 
             # Now "link" the object files together into a static library.
             # (On Unix at least, this isn't really linking -- it just
             # builds an archive.  Whatever.)
             self.compiler.create_static_lib(
-                    expected_objects,
-                    lib_name,
-                    output_dir=self.build_clib,
-                    debug=self.debug
-                    )
+                expected_objects,
+                lib_name,
+                output_dir=self.build_clib,
+                debug=self.debug
+            )

venv/lib/python3.8/site-packages/setuptools/command/build_ext.py

@@ -14,7 +14,8 @@ from setuptools.extern import six
 if six.PY2:
     import imp
 
-    EXTENSION_SUFFIXES = [s for s, _, tp in imp.get_suffixes() if tp == imp.C_EXTENSION]
+    EXTENSION_SUFFIXES = [
+        s for s, _, tp in imp.get_suffixes() if tp == imp.C_EXTENSION]
 else:
     from importlib.machinery import EXTENSION_SUFFIXES
 
@@ -29,7 +30,7 @@ except ImportError:
 
 # make sure _config_vars is initialized
 get_config_var("LDSHARED")
-from distutils.sysconfig import _config_vars as _CONFIG_VARS
+from distutils.sysconfig import _config_vars as _CONFIG_VARS  # noqa
 
 
 def _customize_compiler_for_shlib(compiler):
@@ -65,7 +66,9 @@ elif os.name != 'nt':
     except ImportError:
         pass
 
-if_dl = lambda s: s if have_rtld else ''
+
+def if_dl(s):
+    return s if have_rtld else ''
 
 
 def get_abi3_suffix():
@@ -113,7 +116,7 @@ class build_ext(_build_ext):
         if fullname in self.ext_map:
             ext = self.ext_map[fullname]
             use_abi3 = (
-                six.PY3
+                not six.PY2
                 and getattr(ext, 'py_limited_api')
                 and get_abi3_suffix()
             )
@@ -251,7 +254,8 @@ class build_ext(_build_ext):
                 '\n'.join([
                     "def __bootstrap__():",
                     "   global __bootstrap__, __file__, __loader__",
-                    "   import sys, os, pkg_resources, imp" + if_dl(", dl"),
+                    "   import sys, os, pkg_resources" + if_dl(", dl"),
+                    "   from importlib.machinery import ExtensionFileLoader",
                     "   __file__ = pkg_resources.resource_filename"
                     "(__name__,%r)"
                     % os.path.basename(ext._file_name),
@@ -263,7 +267,8 @@ class build_ext(_build_ext):
                     "   try:",
                     "     os.chdir(os.path.dirname(__file__))",
                     if_dl("     sys.setdlopenflags(dl.RTLD_NOW)"),
-                    "     imp.load_dynamic(__name__,__file__)",
+                    "     ExtensionFileLoader(__name__,",
+                    "                         __file__).load_module()",
                     "   finally:",
                     if_dl("     sys.setdlopenflags(old_flags)"),
                     "     os.chdir(old_dir)",

venv/lib/python3.8/site-packages/setuptools/command/build_py.py

@@ -7,6 +7,7 @@ import textwrap
 import io
 import distutils.errors
 import itertools
+import stat
 
 from setuptools.extern import six
 from setuptools.extern.six.moves import map, filter, filterfalse
@@ -20,6 +21,10 @@ except ImportError:
             "do nothing"
 
 
+def make_writable(target):
+    os.chmod(target, os.stat(target).st_mode | stat.S_IWRITE)
+
+
 class build_py(orig.build_py, Mixin2to3):
     """Enhanced 'build_py' command that includes data files with packages
 
@@ -121,6 +126,7 @@ class build_py(orig.build_py, Mixin2to3):
                 self.mkpath(os.path.dirname(target))
                 srcfile = os.path.join(src_dir, filename)
                 outf, copied = self.copy_file(srcfile, target)
+                make_writable(target)
                 srcfile = os.path.abspath(srcfile)
                 if (copied and
                         srcfile in self.distribution.convert_2to3_doctests):

venv/lib/python3.8/site-packages/setuptools/command/develop.py

@@ -108,7 +108,7 @@ class develop(namespaces.DevelopInstaller, easy_install):
         return path_to_setup
 
     def install_for_development(self):
-        if six.PY3 and getattr(self.distribution, 'use_2to3', False):
+        if not six.PY2 and getattr(self.distribution, 'use_2to3', False):
             # If we run 2to3 we can not do this inplace:
 
             # Ensure metadata is up-to-date
@@ -139,7 +139,6 @@ class develop(namespaces.DevelopInstaller, easy_install):
             self.reinitialize_command('build_ext', inplace=1)
             self.run_command('build_ext')
 
-        self.install_site_py()  # ensure that target dir is site-safe
         if setuptools.bootstrap_install_from:
             self.easy_install(setuptools.bootstrap_install_from)
             setuptools.bootstrap_install_from = None

venv/lib/python3.8/site-packages/setuptools/command/easy_install.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 """
 Easy Install
 ------------
@@ -64,7 +63,7 @@ from pkg_resources import (
     Distribution, PathMetadata, EggMetadata, WorkingSet, DistributionNotFound,
     VersionConflict, DEVELOP_DIST,
 )
-import pkg_resources.py31compat
+import pkg_resources
 
 __metaclass__ = type
 
@@ -121,7 +120,8 @@ else:
             return False
 
 
-_one_liner = lambda text: textwrap.dedent(text).strip().replace('\n', '; ')
+def _one_liner(text):
+    return textwrap.dedent(text).strip().replace('\n', '; ')
 
 
 class easy_install(Command):
@@ -156,19 +156,16 @@ class easy_install(Command):
          "allow building eggs from local checkouts"),
         ('version', None, "print version information and exit"),
         ('no-find-links', None,
-         "Don't load find-links defined in packages being installed")
+         "Don't load find-links defined in packages being installed"),
+        ('user', None, "install in user site-package '%s'" % site.USER_SITE)
     ]
     boolean_options = [
         'zip-ok', 'multi-version', 'exclude-scripts', 'upgrade', 'always-copy',
         'editable',
-        'no-deps', 'local-snapshots-ok', 'version'
+        'no-deps', 'local-snapshots-ok', 'version',
+        'user'
     ]
 
-    if site.ENABLE_USER_SITE:
-        help_msg = "install in user site-package '%s'" % site.USER_SITE
-        user_options.append(('user', None, help_msg))
-        boolean_options.append('user')
-
     negative_opt = {'always-unzip': 'zip-ok'}
     create_index = PackageIndex
 
@@ -208,7 +205,6 @@ class easy_install(Command):
         self.pth_file = self.always_copy_from = None
         self.site_dirs = None
         self.installed_projects = {}
-        self.sitepy_installed = False
         # Always read easy_install options, even if we are subclassed, or have
         # an independent instance created.  This ensures that defaults will
         # always come from the standard configuration file(s)' "easy_install"
@@ -241,7 +237,7 @@ class easy_install(Command):
         """
         Render the Setuptools version and installation details, then exit.
         """
-        ver = sys.version[:3]
+        ver = '{}.{}'.format(*sys.version_info)
         dist = get_distribution('setuptools')
         tmpl = 'setuptools {dist.version} from {dist.location} (Python {ver})'
         print(tmpl.format(**locals()))
@@ -272,6 +268,9 @@ class easy_install(Command):
             self.config_vars['userbase'] = self.install_userbase
             self.config_vars['usersite'] = self.install_usersite
 
+        elif self.user:
+            log.warn("WARNING: The user site-packages directory is disabled.")
+
         self._fix_install_dir_for_user_site()
 
         self.expand_basedirs()
@@ -356,8 +355,10 @@ class easy_install(Command):
                 self.optimize = int(self.optimize)
                 if not (0 <= self.optimize <= 2):
                     raise ValueError
-            except ValueError:
-                raise DistutilsOptionError("--optimize must be 0, 1, or 2")
+            except ValueError as e:
+                raise DistutilsOptionError(
+                    "--optimize must be 0, 1, or 2"
+                ) from e
 
         if self.editable and not self.build_directory:
             raise DistutilsArgError(
@@ -410,7 +411,13 @@ class easy_install(Command):
         ]
         self._expand_attrs(dirs)
 
-    def run(self):
+    def run(self, show_deprecation=True):
+        if show_deprecation:
+            self.announce(
+                "WARNING: The easy_install command is deprecated "
+                "and will be removed in a future version.",
+                log.WARN,
+            )
         if self.verbose != self.distribution.verbose:
             log.set_verbosity(self.verbose)
         try:
@@ -453,6 +460,12 @@ class easy_install(Command):
         instdir = normalize_path(self.install_dir)
         pth_file = os.path.join(instdir, 'easy-install.pth')
 
+        if not os.path.exists(instdir):
+            try:
+                os.makedirs(instdir)
+            except (OSError, IOError):
+                self.cant_write_to_target()
+
         # Is it a configured, PYTHONPATH, implicit, or explicit site dir?
         is_site_dir = instdir in self.all_site_dirs
 
@@ -472,8 +485,9 @@ class easy_install(Command):
                 self.cant_write_to_target()
 
         if not is_site_dir and not self.multi_version:
-            # Can't install non-multi to non-site dir
-            raise DistutilsError(self.no_default_version_msg())
+            # Can't install non-multi to non-site dir with easy_install
+            pythonpath = os.environ.get('PYTHONPATH', '')
+            log.warn(self.__no_default_msg, self.install_dir, pythonpath)
 
         if is_site_dir:
             if self.pth_file is None:
@@ -481,12 +495,8 @@ class easy_install(Command):
         else:
             self.pth_file = None
 
-        if instdir not in map(normalize_path, _pythonpath()):
-            # only PYTHONPATH dirs need a site.py, so pretend it's there
-            self.sitepy_installed = True
-        elif self.multi_version and not os.path.exists(pth_file):
-            self.sitepy_installed = True  # don't need site.py in this case
-            self.pth_file = None  # and don't create a .pth file
+        if self.multi_version and not os.path.exists(pth_file):
+            self.pth_file = None  # don't create a .pth file
         self.install_dir = instdir
 
     __cant_write_msg = textwrap.dedent("""
@@ -501,13 +511,13 @@ class easy_install(Command):
         the distutils default setting) was:
 
             %s
-        """).lstrip()
+        """).lstrip()  # noqa
 
     __not_exists_id = textwrap.dedent("""
         This directory does not currently exist.  Please create it and try again, or
         choose a different installation directory (using the -d or --install-dir
         option).
-        """).lstrip()
+        """).lstrip()  # noqa
 
     __access_msg = textwrap.dedent("""
         Perhaps your account does not have write access to this directory?  If the
@@ -523,7 +533,7 @@ class easy_install(Command):
           https://setuptools.readthedocs.io/en/latest/easy_install.html
 
         Please make the appropriate changes for your system and try again.
-        """).lstrip()
+        """).lstrip()  # noqa
 
     def cant_write_to_target(self):
         msg = self.__cant_write_msg % (sys.exc_info()[1], self.install_dir,)
@@ -551,7 +561,7 @@ class easy_install(Command):
             if ok_exists:
                 os.unlink(ok_file)
             dirname = os.path.dirname(ok_file)
-            pkg_resources.py31compat.makedirs(dirname, exist_ok=True)
+            os.makedirs(dirname, exist_ok=True)
             f = open(pth_file, 'w')
         except (OSError, IOError):
             self.cant_write_to_target()
@@ -643,9 +653,6 @@ class easy_install(Command):
             os.path.exists(tmpdir) and rmtree(rmtree_safe(tmpdir))
 
     def easy_install(self, spec, deps=False):
-        if not self.editable:
-            self.install_site_py()
-
         with self._tmpdir() as tmpdir:
             if not isinstance(spec, Requirement):
                 if URL_SCHEME(spec):
@@ -752,9 +759,9 @@ class easy_install(Command):
                 [requirement], self.local_index, self.easy_install
             )
         except DistributionNotFound as e:
-            raise DistutilsError(str(e))
+            raise DistutilsError(str(e)) from e
         except VersionConflict as e:
-            raise DistutilsError(e.report())
+            raise DistutilsError(e.report()) from e
         if self.always_copy or self.always_copy_from:
             # Force all the relevant distros to be copied or activated
             for dist in distros:
@@ -1087,13 +1094,13 @@ class easy_install(Command):
             pkg_resources.require("%(name)s")  # latest installed version
             pkg_resources.require("%(name)s==%(version)s")  # this exact version
             pkg_resources.require("%(name)s>=%(version)s")  # this version or higher
-        """).lstrip()
+        """).lstrip()  # noqa
 
     __id_warning = textwrap.dedent("""
         Note also that the installation directory must be on sys.path at runtime for
         this to work.  (e.g. by being the application's script directory, by being on
         PYTHONPATH, or by being added to sys.path by your code.)
-        """)
+        """)  # noqa
 
     def installation_report(self, req, dist, what="Installed"):
         """Helpful installation message for display to package users"""
@@ -1118,7 +1125,7 @@ class easy_install(Command):
             %(python)s setup.py develop
 
         See the setuptools documentation for the "develop" command for more info.
-        """).lstrip()
+        """).lstrip()  # noqa
 
     def report_editable(self, spec, setup_script):
         dirname = os.path.dirname(setup_script)
@@ -1143,7 +1150,9 @@ class easy_install(Command):
         try:
             run_setup(setup_script, args)
         except SystemExit as v:
-            raise DistutilsError("Setup script exited with %s" % (v.args[0],))
+            raise DistutilsError(
+                "Setup script exited with %s" % (v.args[0],)
+            ) from v
 
     def build_and_install(self, setup_script, setup_base):
         args = ['bdist_egg', '--dist-dir']
@@ -1180,8 +1189,7 @@ class easy_install(Command):
         # to the setup.cfg file.
         ei_opts = self.distribution.get_option_dict('easy_install').copy()
         fetch_directives = (
-            'find_links', 'site_dirs', 'index_url', 'optimize',
-            'site_dirs', 'allow_hosts',
+            'find_links', 'site_dirs', 'index_url', 'optimize', 'allow_hosts',
         )
         fetch_options = {}
         for key, val in ei_opts.items():
@@ -1302,43 +1310,8 @@ class easy_install(Command):
           https://setuptools.readthedocs.io/en/latest/easy_install.html#custom-installation-locations
 
 
-        Please make the appropriate changes for your system and try again.""").lstrip()
-
-    def no_default_version_msg(self):
-        template = self.__no_default_msg
-        return template % (self.install_dir, os.environ.get('PYTHONPATH', ''))
-
-    def install_site_py(self):
-        """Make sure there's a site.py in the target dir, if needed"""
-
-        if self.sitepy_installed:
-            return  # already did it, or don't need to
-
-        sitepy = os.path.join(self.install_dir, "site.py")
-        source = resource_string("setuptools", "site-patch.py")
-        source = source.decode('utf-8')
-        current = ""
-
-        if os.path.exists(sitepy):
-            log.debug("Checking existing site.py in %s", self.install_dir)
-            with io.open(sitepy) as strm:
-                current = strm.read()
-
-            if not current.startswith('def __boot():'):
-                raise DistutilsError(
-                    "%s is not a setuptools-generated site.py; please"
-                    " remove it." % sitepy
-                )
-
-        if current != source:
-            log.info("Creating %s", sitepy)
-            if not self.dry_run:
-                ensure_directory(sitepy)
-                with io.open(sitepy, 'w', encoding='utf-8') as strm:
-                    strm.write(source)
-            self.byte_compile([sitepy])
-
-        self.sitepy_installed = True
+        Please make the appropriate changes for your system and try again.
+        """).strip()
 
     def create_home_path(self):
         """Create directories under ~."""
@@ -1412,7 +1385,7 @@ def get_site_dirs():
                     os.path.join(
                         prefix,
                         "lib",
-                        "python" + sys.version[:3],
+                        "python{}.{}".format(*sys.version_info),
                         "site-packages",
                     ),
                     os.path.join(prefix, "lib", "site-python"),
@@ -1433,7 +1406,7 @@ def get_site_dirs():
                             home,
                             'Library',
                             'Python',
-                            sys.version[:3],
+                            '{}.{}'.format(*sys.version_info),
                             'site-packages',
                         )
                         sitedirs.append(home_sp)
@@ -1562,7 +1535,7 @@ def get_exe_prefixes(exe_filename):
                 continue
             if parts[0].upper() in ('PURELIB', 'PLATLIB'):
                 contents = z.read(name)
-                if six.PY3:
+                if not six.PY2:
                     contents = contents.decode()
                 for pth in yield_lines(contents):
                     pth = pth.strip().replace('\\', '/')
@@ -2063,17 +2036,38 @@ class ScriptWriter:
 
     template = textwrap.dedent(r"""
         # EASY-INSTALL-ENTRY-SCRIPT: %(spec)r,%(group)r,%(name)r
-        __requires__ = %(spec)r
         import re
         import sys
-        from pkg_resources import load_entry_point
+
+        # for compatibility with easy_install; see #2198
+        __requires__ = %(spec)r
+
+        try:
+            from importlib.metadata import distribution
+        except ImportError:
+            try:
+                from importlib_metadata import distribution
+            except ImportError:
+                from pkg_resources import load_entry_point
+
+
+        def importlib_load_entry_point(spec, group, name):
+            dist_name, _, _ = spec.partition('==')
+            matches = (
+                entry_point
+                for entry_point in distribution(dist_name).entry_points
+                if entry_point.group == group and entry_point.name == name
+            )
+            return next(matches).load()
+
+
+        globals().setdefault('load_entry_point', importlib_load_entry_point)
+
 
         if __name__ == '__main__':
             sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-            sys.exit(
-                load_entry_point(%(spec)r, %(group)r, %(name)r)()
-            )
-    """).lstrip()
+            sys.exit(load_entry_point(%(spec)r, %(group)r, %(name)r)())
+        """).lstrip()
 
     command_spec_class = CommandSpec
 
@@ -2088,7 +2082,8 @@ class ScriptWriter:
     @classmethod
     def get_script_header(cls, script_text, executable=None, wininst=False):
         # for backward compatibility
-        warnings.warn("Use get_header", EasyInstallDeprecationWarning, stacklevel=2)
+        warnings.warn(
+            "Use get_header", EasyInstallDeprecationWarning, stacklevel=2)
         if wininst:
             executable = "python.exe"
         return cls.get_header(script_text, executable)
@@ -2337,6 +2332,8 @@ def _patch_usage():
     finally:
         distutils.core.gen_usage = saved
 
+
 class EasyInstallDeprecationWarning(SetuptoolsDeprecationWarning):
-    """Class for warning about deprecations in EasyInstall in SetupTools. Not ignored by default, unlike DeprecationWarning."""
-    
+    """
+    Warning for EasyInstall deprecations, bypassing suppression.
+    """

venv/lib/python3.8/site-packages/setuptools/command/egg_info.py

@@ -33,6 +33,7 @@ from setuptools.glob import glob
 from setuptools.extern import packaging
 from setuptools import SetuptoolsDeprecationWarning
 
+
 def translate_pattern(glob):
     """
     Translate a file path glob like '*.txt' in to a regular expression.
@@ -113,7 +114,7 @@ def translate_pattern(glob):
             pat += sep
 
     pat += r'\Z'
-    return re.compile(pat, flags=re.MULTILINE|re.DOTALL)
+    return re.compile(pat, flags=re.MULTILINE | re.DOTALL)
 
 
 class InfoCommon:
@@ -207,11 +208,11 @@ class egg_info(InfoCommon, Command):
             list(
                 parse_requirements(spec % (self.egg_name, self.egg_version))
             )
-        except ValueError:
+        except ValueError as e:
             raise distutils.errors.DistutilsOptionError(
                 "Invalid distribution name or version syntax: %s-%s" %
                 (self.egg_name, self.egg_version)
-            )
+            ) from e
 
         if self.egg_base is None:
             dirs = self.distribution.package_dir
@@ -266,7 +267,7 @@ class egg_info(InfoCommon, Command):
         to the file.
         """
         log.info("writing %s to %s", what, filename)
-        if six.PY3:
+        if not six.PY2:
             data = data.encode("utf-8")
         if not self.dry_run:
             f = open(filename, 'wb')
@@ -637,7 +638,9 @@ def warn_depends_obsolete(cmd, basename, filename):
 
 def _write_requirements(stream, reqs):
     lines = yield_lines(reqs or ())
-    append_cr = lambda line: line + '\n'
+
+    def append_cr(line):
+        return line + '\n'
     lines = map(append_cr, lines)
     stream.writelines(lines)
 
@@ -703,7 +706,8 @@ def get_pkg_info_revision():
     Get a -r### off of PKG-INFO Version in case this is an sdist of
     a subversion revision.
     """
-    warnings.warn("get_pkg_info_revision is deprecated.", EggInfoDeprecationWarning)
+    warnings.warn(
+        "get_pkg_info_revision is deprecated.", EggInfoDeprecationWarning)
     if os.path.exists('PKG-INFO'):
         with io.open('PKG-INFO') as f:
             for line in f:
@@ -714,4 +718,4 @@ def get_pkg_info_revision():
 
 
 class EggInfoDeprecationWarning(SetuptoolsDeprecationWarning):
-    """Class for warning about deprecations in eggInfo in setupTools. Not ignored by default, unlike DeprecationWarning."""
+    """Deprecated behavior warning for EggInfo, bypassing suppression."""

venv/lib/python3.8/site-packages/setuptools/command/install.py

@@ -114,7 +114,7 @@ class install(orig.install):
             args.insert(0, setuptools.bootstrap_install_from)
 
         cmd.args = args
-        cmd.run()
+        cmd.run(show_deprecation=False)
         setuptools.bootstrap_install_from = None
 
 

venv/lib/python3.8/site-packages/setuptools/command/install_lib.py

@@ -77,7 +77,8 @@ class install_lib(orig.install_lib):
         if not hasattr(sys, 'implementation'):
             return
 
-        base = os.path.join('__pycache__', '__init__.' + sys.implementation.cache_tag)
+        base = os.path.join(
+            '__pycache__', '__init__.' + sys.implementation.cache_tag)
         yield base + '.pyc'
         yield base + '.pyo'
         yield base + '.opt-1.pyc'

venv/lib/python3.8/site-packages/setuptools/command/install_scripts.py

@@ -32,8 +32,11 @@ class install_scripts(orig.install_scripts):
         )
         bs_cmd = self.get_finalized_command('build_scripts')
         exec_param = getattr(bs_cmd, 'executable', None)
-        bw_cmd = self.get_finalized_command("bdist_wininst")
-        is_wininst = getattr(bw_cmd, '_is_running', False)
+        try:
+            bw_cmd = self.get_finalized_command("bdist_wininst")
+            is_wininst = getattr(bw_cmd, '_is_running', False)
+        except ImportError:
+            is_wininst = False
         writer = ei.ScriptWriter
         if is_wininst:
             exec_param = "python.exe"

venv/lib/python3.8/site-packages/setuptools/command/py36compat.py

@@ -132,5 +132,5 @@ class sdist_add_defaults:
 
 if hasattr(sdist.sdist, '_add_defaults_standards'):
     # disable the functionality already available upstream
-    class sdist_add_defaults:
+    class sdist_add_defaults:  # noqa
         pass

venv/lib/python3.8/site-packages/setuptools/command/register.py

@@ -1,18 +1,18 @@
 from distutils import log
 import distutils.command.register as orig
 
+from setuptools.errors import RemovedCommandError
+
 
 class register(orig.register):
-    __doc__ = orig.register.__doc__
+    """Formerly used to register packages on PyPI."""
 
     def run(self):
-        try:
-            # Make sure that we are using valid current name/version info
-            self.run_command('egg_info')
-            orig.register.run(self)
-        finally:
-            self.announce(
-                "WARNING: Registering is deprecated, use twine to "
-                "upload instead (https://pypi.org/p/twine/)",
-                log.WARN
-            )
+        msg = (
+            "The register command has been removed, use twine to upload "
+            + "instead (https://pypi.org/p/twine)"
+        )
+
+        self.announce("ERROR: " + msg, log.ERROR)
+
+        raise RemovedCommandError(msg)

venv/lib/python3.8/site-packages/setuptools/command/rotate.py

@@ -36,8 +36,8 @@ class rotate(Command):
             raise DistutilsOptionError("Must specify number of files to keep")
         try:
             self.keep = int(self.keep)
-        except ValueError:
-            raise DistutilsOptionError("--keep must be an integer")
+        except ValueError as e:
+            raise DistutilsOptionError("--keep must be an integer") from e
         if isinstance(self.match, six.string_types):
             self.match = [
                 convert_path(p.strip()) for p in self.match.split(',')

venv/lib/python3.8/site-packages/setuptools/command/sdist.py

@@ -5,7 +5,7 @@ import sys
 import io
 import contextlib
 
-from setuptools.extern import six
+from setuptools.extern import six, ordered_set
 
 from .py36compat import sdist_add_defaults
 
@@ -121,19 +121,40 @@ class sdist(sdist_add_defaults, orig.sdist):
     if has_leaky_handle:
         read_template = __read_template_hack
 
+    def _add_defaults_optional(self):
+        if six.PY2:
+            sdist_add_defaults._add_defaults_optional(self)
+        else:
+            super()._add_defaults_optional()
+        if os.path.isfile('pyproject.toml'):
+            self.filelist.append('pyproject.toml')
+
     def _add_defaults_python(self):
         """getting python files"""
         if self.distribution.has_pure_modules():
             build_py = self.get_finalized_command('build_py')
             self.filelist.extend(build_py.get_source_files())
-            # This functionality is incompatible with include_package_data, and
-            # will in fact create an infinite recursion if include_package_data
-            # is True.  Use of include_package_data will imply that
-            # distutils-style automatic handling of package_data is disabled
-            if not self.distribution.include_package_data:
-                for _, src_dir, _, filenames in build_py.data_files:
-                    self.filelist.extend([os.path.join(src_dir, filename)
-                                          for filename in filenames])
+            self._add_data_files(self._safe_data_files(build_py))
+
+    def _safe_data_files(self, build_py):
+        """
+        Extracting data_files from build_py is known to cause
+        infinite recursion errors when `include_package_data`
+        is enabled, so suppress it in that case.
+        """
+        if self.distribution.include_package_data:
+            return ()
+        return build_py.data_files
+
+    def _add_data_files(self, data_files):
+        """
+        Add data files as found in build_py.data_files.
+        """
+        self.filelist.extend(
+            os.path.join(src_dir, name)
+            for _, src_dir, _, filenames in data_files
+            for name in filenames
+        )
 
     def _add_defaults_data_files(self):
         try:
@@ -186,7 +207,7 @@ class sdist(sdist_add_defaults, orig.sdist):
         manifest = open(self.manifest, 'rb')
         for line in manifest:
             # The manifest must contain UTF-8. See #303.
-            if six.PY3:
+            if not six.PY2:
                 try:
                     line = line.decode('UTF-8')
                 except UnicodeDecodeError:
@@ -200,10 +221,12 @@ class sdist(sdist_add_defaults, orig.sdist):
         manifest.close()
 
     def check_license(self):
-        """Checks if license_file' is configured and adds it to
-        'self.filelist' if the value contains a valid path.
+        """Checks if license_file' or 'license_files' is configured and adds any
+        valid paths to 'self.filelist'.
         """
 
+        files = ordered_set.OrderedSet()
+
         opts = self.distribution.get_option_dict('metadata')
 
         # ignore the source of the value
@@ -211,11 +234,19 @@ class sdist(sdist_add_defaults, orig.sdist):
 
         if license_file is None:
             log.debug("'license_file' option was not specified")
-            return
+        else:
+            files.add(license_file)
 
-        if not os.path.exists(license_file):
-            log.warn("warning: Failed to find the configured license file '%s'",
-                    license_file)
-            return
+        try:
+            files.update(self.distribution.metadata.license_files)
+        except TypeError:
+            log.warn("warning: 'license_files' option is malformed")
 
-        self.filelist.append(license_file)
+        for f in files:
+            if not os.path.exists(f):
+                log.warn(
+                    "warning: Failed to find the configured license file '%s'",
+                    f)
+                files.remove(f)
+
+        self.filelist.extend(files)

venv/lib/python3.8/site-packages/setuptools/command/test.py

@@ -74,7 +74,7 @@ class NonDataProperty:
 class test(Command):
     """Command to run unit tests after in-place build"""
 
-    description = "run unit tests after in-place build"
+    description = "run unit tests after in-place build (deprecated)"
 
     user_options = [
         ('test-module=', 'm', "Run 'test_suite' in specified module"),
@@ -129,7 +129,8 @@ class test(Command):
 
     @contextlib.contextmanager
     def project_on_sys_path(self, include_dists=[]):
-        with_2to3 = six.PY3 and getattr(self.distribution, 'use_2to3', False)
+        with_2to3 = not six.PY2 and getattr(
+            self.distribution, 'use_2to3', False)
 
         if with_2to3:
             # If we run 2to3 we can not do this inplace:
@@ -214,6 +215,14 @@ class test(Command):
         return itertools.chain(ir_d, tr_d, er_d)
 
     def run(self):
+        self.announce(
+            "WARNING: Testing via this command is deprecated and will be "
+            "removed in a future version. Users looking for a generic test "
+            "entry point independent of test runner are encouraged to use "
+            "tox.",
+            log.WARN,
+        )
+
         installed_dists = self.install_dists(self.distribution)
 
         cmd = ' '.join(self._argv)
@@ -232,7 +241,7 @@ class test(Command):
         # Purge modules under test from sys.modules. The test loader will
         # re-import them from the build location. Required when 2to3 is used
         # with namespace packages.
-        if six.PY3 and getattr(self.distribution, 'use_2to3', False):
+        if not six.PY2 and getattr(self.distribution, 'use_2to3', False):
             module = self.test_suite.split('.')[0]
             if module in _namespace_packages:
                 del_modules = []

venv/lib/python3.8/site-packages/setuptools/command/upload.py

@@ -1,196 +1,17 @@
-import io
-import os
-import hashlib
-import getpass
-
-from base64 import standard_b64encode
-
 from distutils import log
 from distutils.command import upload as orig
-from distutils.spawn import spawn
 
-from distutils.errors import DistutilsError
-
-from setuptools.extern.six.moves.urllib.request import urlopen, Request
-from setuptools.extern.six.moves.urllib.error import HTTPError
-from setuptools.extern.six.moves.urllib.parse import urlparse
+from setuptools.errors import RemovedCommandError
 
 
 class upload(orig.upload):
-    """
-    Override default upload behavior to obtain password
-    in a variety of different ways.
-    """
+    """Formerly used to upload packages to PyPI."""
+
     def run(self):
-        try:
-            orig.upload.run(self)
-        finally:
-            self.announce(
-                "WARNING: Uploading via this command is deprecated, use twine "
-                "to upload instead (https://pypi.org/p/twine/)",
-                log.WARN
-            )
-
-    def finalize_options(self):
-        orig.upload.finalize_options(self)
-        self.username = (
-            self.username or
-            getpass.getuser()
-        )
-        # Attempt to obtain password. Short circuit evaluation at the first
-        # sign of success.
-        self.password = (
-            self.password or
-            self._load_password_from_keyring() or
-            self._prompt_for_password()
+        msg = (
+            "The upload command has been removed, use twine to upload "
+            + "instead (https://pypi.org/p/twine)"
         )
 
-    def upload_file(self, command, pyversion, filename):
-        # Makes sure the repository URL is compliant
-        schema, netloc, url, params, query, fragments = \
-            urlparse(self.repository)
-        if params or query or fragments:
-            raise AssertionError("Incompatible url %s" % self.repository)
-
-        if schema not in ('http', 'https'):
-            raise AssertionError("unsupported schema " + schema)
-
-        # Sign if requested
-        if self.sign:
-            gpg_args = ["gpg", "--detach-sign", "-a", filename]
-            if self.identity:
-                gpg_args[2:2] = ["--local-user", self.identity]
-            spawn(gpg_args,
-                  dry_run=self.dry_run)
-
-        # Fill in the data - send all the meta-data in case we need to
-        # register a new release
-        with open(filename, 'rb') as f:
-            content = f.read()
-
-        meta = self.distribution.metadata
-
-        data = {
-            # action
-            ':action': 'file_upload',
-            'protocol_version': '1',
-
-            # identify release
-            'name': meta.get_name(),
-            'version': meta.get_version(),
-
-            # file content
-            'content': (os.path.basename(filename), content),
-            'filetype': command,
-            'pyversion': pyversion,
-            'md5_digest': hashlib.md5(content).hexdigest(),
-
-            # additional meta-data
-            'metadata_version': str(meta.get_metadata_version()),
-            'summary': meta.get_description(),
-            'home_page': meta.get_url(),
-            'author': meta.get_contact(),
-            'author_email': meta.get_contact_email(),
-            'license': meta.get_licence(),
-            'description': meta.get_long_description(),
-            'keywords': meta.get_keywords(),
-            'platform': meta.get_platforms(),
-            'classifiers': meta.get_classifiers(),
-            'download_url': meta.get_download_url(),
-            # PEP 314
-            'provides': meta.get_provides(),
-            'requires': meta.get_requires(),
-            'obsoletes': meta.get_obsoletes(),
-            }
-
-        data['comment'] = ''
-
-        if self.sign:
-            data['gpg_signature'] = (os.path.basename(filename) + ".asc",
-                                     open(filename+".asc", "rb").read())
-
-        # set up the authentication
-        user_pass = (self.username + ":" + self.password).encode('ascii')
-        # The exact encoding of the authentication string is debated.
-        # Anyway PyPI only accepts ascii for both username or password.
-        auth = "Basic " + standard_b64encode(user_pass).decode('ascii')
-
-        # Build up the MIME payload for the POST data
-        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
-        sep_boundary = b'\r\n--' + boundary.encode('ascii')
-        end_boundary = sep_boundary + b'--\r\n'
-        body = io.BytesIO()
-        for key, value in data.items():
-            title = '\r\nContent-Disposition: form-data; name="%s"' % key
-            # handle multiple entries for the same name
-            if not isinstance(value, list):
-                value = [value]
-            for value in value:
-                if type(value) is tuple:
-                    title += '; filename="%s"' % value[0]
-                    value = value[1]
-                else:
-                    value = str(value).encode('utf-8')
-                body.write(sep_boundary)
-                body.write(title.encode('utf-8'))
-                body.write(b"\r\n\r\n")
-                body.write(value)
-        body.write(end_boundary)
-        body = body.getvalue()
-
-        msg = "Submitting %s to %s" % (filename, self.repository)
-        self.announce(msg, log.INFO)
-
-        # build the Request
-        headers = {
-            'Content-type': 'multipart/form-data; boundary=%s' % boundary,
-            'Content-length': str(len(body)),
-            'Authorization': auth,
-        }
-
-        request = Request(self.repository, data=body,
-                          headers=headers)
-        # send the data
-        try:
-            result = urlopen(request)
-            status = result.getcode()
-            reason = result.msg
-        except HTTPError as e:
-            status = e.code
-            reason = e.msg
-        except OSError as e:
-            self.announce(str(e), log.ERROR)
-            raise
-
-        if status == 200:
-            self.announce('Server response (%s): %s' % (status, reason),
-                          log.INFO)
-            if self.show_response:
-                text = getattr(self, '_read_pypi_response',
-                               lambda x: None)(result)
-                if text is not None:
-                    msg = '\n'.join(('-' * 75, text, '-' * 75))
-                    self.announce(msg, log.INFO)
-        else:
-            msg = 'Upload failed (%s): %s' % (status, reason)
-            self.announce(msg, log.ERROR)
-            raise DistutilsError(msg)
-
-    def _load_password_from_keyring(self):
-        """
-        Attempt to load password from keyring. Suppress Exceptions.
-        """
-        try:
-            keyring = __import__('keyring')
-            return keyring.get_password(self.repository, self.username)
-        except Exception:
-            pass
-
-    def _prompt_for_password(self):
-        """
-        Prompt for a password on the tty. Suppress Exceptions.
-        """
-        try:
-            return getpass.getpass()
-        except (Exception, KeyboardInterrupt):
-            pass
+        self.announce("ERROR: " + msg, log.ERROR)
+        raise RemovedCommandError(msg)

venv/lib/python3.8/site-packages/setuptools/command/upload_docs.py

@@ -24,7 +24,7 @@ from .upload import upload
 
 
 def _encode(s):
-    errors = 'surrogateescape' if six.PY3 else 'strict'
+    errors = 'strict' if six.PY2 else 'surrogateescape'
     return s.encode('utf-8', errors)
 
 
@@ -127,8 +127,8 @@ class upload_docs(upload):
         """
         Build up the MIME payload for the POST data
         """
-        boundary = b'--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
-        sep_boundary = b'\n--' + boundary
+        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
+        sep_boundary = b'\n--' + boundary.encode('ascii')
         end_boundary = sep_boundary + b'--'
         end_items = end_boundary, b"\n",
         builder = functools.partial(
@@ -138,7 +138,7 @@ class upload_docs(upload):
         part_groups = map(builder, data.items())
         parts = itertools.chain.from_iterable(part_groups)
         body_items = itertools.chain(parts, end_items)
-        content_type = 'multipart/form-data; boundary=%s' % boundary.decode('ascii')
+        content_type = 'multipart/form-data; boundary=%s' % boundary
         return b''.join(body_items), content_type
 
     def upload_file(self, filename):
@@ -153,7 +153,7 @@ class upload_docs(upload):
         # set up the authentication
         credentials = _encode(self.username + ':' + self.password)
         credentials = standard_b64encode(credentials)
-        if six.PY3:
+        if not six.PY2:
             credentials = credentials.decode('ascii')
         auth = "Basic " + credentials
 

venv/lib/python3.8/site-packages/setuptools/config.py

@@ -1,23 +1,65 @@
 from __future__ import absolute_import, unicode_literals
+import ast
 import io
 import os
 import sys
 
 import warnings
 import functools
+import importlib
 from collections import defaultdict
 from functools import partial
 from functools import wraps
-from importlib import import_module
+import contextlib
 
 from distutils.errors import DistutilsOptionError, DistutilsFileError
 from setuptools.extern.packaging.version import LegacyVersion, parse
+from setuptools.extern.packaging.specifiers import SpecifierSet
 from setuptools.extern.six import string_types, PY3
 
 
 __metaclass__ = type
 
 
+class StaticModule:
+    """
+    Attempt to load the module by the name
+    """
+    def __init__(self, name):
+        spec = importlib.util.find_spec(name)
+        with open(spec.origin) as strm:
+            src = strm.read()
+        module = ast.parse(src)
+        vars(self).update(locals())
+        del self.self
+
+    def __getattr__(self, attr):
+        try:
+            return next(
+                ast.literal_eval(statement.value)
+                for statement in self.module.body
+                if isinstance(statement, ast.Assign)
+                for target in statement.targets
+                if isinstance(target, ast.Name) and target.id == attr
+            )
+        except Exception as e:
+            raise AttributeError(
+                "{self.name} has no attribute {attr}".format(**locals())
+            ) from e
+
+
+@contextlib.contextmanager
+def patch_path(path):
+    """
+    Add path to front of sys.path for the duration of the context.
+    """
+    try:
+        sys.path.insert(0, path)
+        yield
+    finally:
+        sys.path.remove(path)
+
+
 def read_configuration(
         filepath, find_others=False, ignore_option_errors=False):
     """Read given configuration file and returns options from it as a dict.
@@ -343,15 +385,16 @@ class ConfigHandler:
             elif '' in package_dir:
                 # A custom parent directory was specified for all root modules
                 parent_path = os.path.join(os.getcwd(), package_dir[''])
-        sys.path.insert(0, parent_path)
-        try:
-            module = import_module(module_name)
-            value = getattr(module, attr_name)
 
-        finally:
-            sys.path = sys.path[1:]
+        with patch_path(parent_path):
+            try:
+                # attempt to load value statically
+                return getattr(StaticModule(module_name), attr_name)
+            except Exception:
+                # fallback to simple import
+                module = importlib.import_module(module_name)
 
-        return value
+        return getattr(module, attr_name)
 
     @classmethod
     def _get_parser_compound(cls, *parse_methods):
@@ -482,6 +525,7 @@ class ConfigMetadataHandler(ConfigHandler):
             'obsoletes': parse_list,
             'classifiers': self._get_parser_compound(parse_file, parse_list),
             'license': exclude_files_parser('license'),
+            'license_files': parse_list,
             'description': parse_file,
             'long_description': parse_file,
             'version': self._parse_version,
@@ -554,6 +598,7 @@ class ConfigOptionsHandler(ConfigHandler):
             'packages': self._parse_packages,
             'entry_points': self._parse_file,
             'py_modules': parse_list,
+            'python_requires': SpecifierSet,
         }
 
     def _parse_packages(self, value):

venv/lib/python3.8/site-packages/setuptools/dep_util.py

@@ -1,5 +1,6 @@
 from distutils.dep_util import newer_group
 
+
 # yes, this is was almost entirely copy-pasted from
 # 'newer_pairwise()', this is just another convenience
 # function.
@@ -10,7 +11,8 @@ def newer_pairwise_group(sources_groups, targets):
     of 'newer_group()'.
     """
     if len(sources_groups) != len(targets):
-        raise ValueError("'sources_group' and 'targets' must be the same length")
+        raise ValueError(
+            "'sources_group' and 'targets' must be the same length")
 
     # build a pair of lists (sources_groups, targets) where source is newer
     n_sources = []

venv/lib/python3.8/site-packages/setuptools/depends.py

@@ -1,11 +1,13 @@
 import sys
-import imp
 import marshal
+import contextlib
 from distutils.version import StrictVersion
-from imp import PKG_DIRECTORY, PY_COMPILED, PY_SOURCE, PY_FROZEN
 
 from .py33compat import Bytecode
 
+from .py27compat import find_module, PY_COMPILED, PY_FROZEN, PY_SOURCE
+from . import py27compat
+
 
 __all__ = [
     'Require', 'find_module', 'get_module_constant', 'extract_constant'
@@ -15,7 +17,8 @@ __all__ = [
 class Require:
     """A prerequisite to building or installing a distribution"""
 
-    def __init__(self, name, requested_version, module, homepage='',
+    def __init__(
+            self, name, requested_version, module, homepage='',
             attribute=None, format=None):
 
         if format is None and requested_version is not None:
@@ -79,23 +82,15 @@ class Require:
         return self.version_ok(version)
 
 
-def find_module(module, paths=None):
-    """Just like 'imp.find_module()', but with package support"""
+def maybe_close(f):
+    @contextlib.contextmanager
+    def empty():
+        yield
+        return
+    if not f:
+        return empty()
 
-    parts = module.split('.')
-
-    while parts:
-        part = parts.pop(0)
-        f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
-
-        if kind == PKG_DIRECTORY:
-            parts = parts or ['__init__']
-            paths = [path]
-
-        elif parts:
-            raise ImportError("Can't find %r in %s" % (parts, module))
-
-    return info
+    return contextlib.closing(f)
 
 
 def get_module_constant(module, symbol, default=-1, paths=None):
@@ -106,28 +101,23 @@ def get_module_constant(module, symbol, default=-1, paths=None):
     constant.  Otherwise, return 'default'."""
 
     try:
-        f, path, (suffix, mode, kind) = find_module(module, paths)
+        f, path, (suffix, mode, kind) = info = find_module(module, paths)
     except ImportError:
         # Module doesn't exist
         return None
 
-    try:
+    with maybe_close(f):
         if kind == PY_COMPILED:
             f.read(8)  # skip magic & date
             code = marshal.load(f)
         elif kind == PY_FROZEN:
-            code = imp.get_frozen_object(module)
+            code = py27compat.get_frozen_object(module, paths)
         elif kind == PY_SOURCE:
             code = compile(f.read(), path, 'exec')
         else:
             # Not something we can parse; we'll have to import it.  :(
-            if module not in sys.modules:
-                imp.load_module(module, f, path, (suffix, mode, kind))
-            return getattr(sys.modules[module], symbol, None)
-
-    finally:
-        if f:
-            f.close()
+            imported = py27compat.get_module(module, paths, info)
+            return getattr(imported, symbol, None)
 
     return extract_constant(code, symbol, default)
 

venv/lib/python3.8/site-packages/setuptools/dist.py

@@ -19,19 +19,18 @@ import itertools
 from collections import defaultdict
 from email import message_from_file
 
-from distutils.errors import (
-    DistutilsOptionError, DistutilsPlatformError, DistutilsSetupError,
-)
+from distutils.errors import DistutilsOptionError, DistutilsSetupError
 from distutils.util import rfc822_escape
 from distutils.version import StrictVersion
 
 from setuptools.extern import six
 from setuptools.extern import packaging
+from setuptools.extern import ordered_set
 from setuptools.extern.six.moves import map, filter, filterfalse
 
 from . import SetuptoolsDeprecationWarning
 
-from setuptools.depends import Require
+import setuptools
 from setuptools import windows_support
 from setuptools.monkey import get_unpatched
 from setuptools.config import parse_configuration
@@ -161,7 +160,7 @@ def write_pkg_file(self, file):
     if self.download_url:
         write_field('Download-URL', self.download_url)
     for project_url in self.project_urls.items():
-        write_field('Project-URL',  '%s, %s' % project_url)
+        write_field('Project-URL', '%s, %s' % project_url)
 
     long_desc = rfc822_escape(self.get_long_description())
     write_field('Description', long_desc)
@@ -205,11 +204,11 @@ def check_importable(dist, attr, value):
     try:
         ep = pkg_resources.EntryPoint.parse('x=' + value)
         assert not ep.extras
-    except (TypeError, ValueError, AttributeError, AssertionError):
+    except (TypeError, ValueError, AttributeError, AssertionError) as e:
         raise DistutilsSetupError(
             "%r must be importable 'module:attrs' string (got %r)"
             % (attr, value)
-        )
+        ) from e
 
 
 def assert_string_list(dist, attr, value):
@@ -220,10 +219,10 @@ def assert_string_list(dist, attr, value):
         assert isinstance(value, (list, tuple))
         # verify that elements of value are strings
         assert ''.join(value) != value
-    except (TypeError, ValueError, AttributeError, AssertionError):
+    except (TypeError, ValueError, AttributeError, AssertionError) as e:
         raise DistutilsSetupError(
             "%r must be a list of strings (got %r)" % (attr, value)
-        )
+        ) from e
 
 
 def check_nsp(dist, attr, value):
@@ -248,12 +247,12 @@ def check_extras(dist, attr, value):
     """Verify that extras_require mapping is valid"""
     try:
         list(itertools.starmap(_check_extra, value.items()))
-    except (TypeError, ValueError, AttributeError):
+    except (TypeError, ValueError, AttributeError) as e:
         raise DistutilsSetupError(
             "'extras_require' must be a dictionary whose values are "
             "strings or lists of strings containing valid project/version "
             "requirement specifiers."
-        )
+        ) from e
 
 
 def _check_extra(extra, reqs):
@@ -281,7 +280,9 @@ def check_requirements(dist, attr, value):
             "{attr!r} must be a string or list of strings "
             "containing valid project/version requirement specifiers; {error}"
         )
-        raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
+        raise DistutilsSetupError(
+            tmpl.format(attr=attr, error=error)
+        ) from error
 
 
 def check_specifier(dist, attr, value):
@@ -293,7 +294,9 @@ def check_specifier(dist, attr, value):
             "{attr!r} must be a string "
             "containing valid version specifiers; {error}"
         )
-        raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
+        raise DistutilsSetupError(
+            tmpl.format(attr=attr, error=error)
+        ) from error
 
 
 def check_entry_points(dist, attr, value):
@@ -301,7 +304,7 @@ def check_entry_points(dist, attr, value):
     try:
         pkg_resources.EntryPoint.parse_map(value)
     except ValueError as e:
-        raise DistutilsSetupError(e)
+        raise DistutilsSetupError(e) from e
 
 
 def check_test_suite(dist, attr, value):
@@ -337,7 +340,7 @@ _Distribution = get_unpatched(distutils.core.Distribution)
 
 
 class Distribution(_Distribution):
-    """Distribution with support for features, tests, and package data
+    """Distribution with support for tests and package data
 
     This is an enhanced version of 'distutils.dist.Distribution' that
     effectively adds the following new optional keyword arguments to 'setup()':
@@ -364,21 +367,6 @@ class Distribution(_Distribution):
         EasyInstall and requests one of your extras, the corresponding
         additional requirements will be installed if needed.
 
-     'features' **deprecated** -- a dictionary mapping option names to
-        'setuptools.Feature'
-        objects.  Features are a portion of the distribution that can be
-        included or excluded based on user options, inter-feature dependencies,
-        and availability on the current system.  Excluded features are omitted
-        from all setup commands, including source and binary distributions, so
-        you can create multiple distributions from the same source tree.
-        Feature names should be valid Python identifiers, except that they may
-        contain the '-' (minus) sign.  Features can be included or excluded
-        via the command line options '--with-X' and '--without-X', where 'X' is
-        the name of the feature.  Whether a feature is included by default, and
-        whether you are allowed to control this from the command line, is
-        determined by the Feature object.  See the 'Feature' class for more
-        information.
-
      'test_suite' -- the name of a test suite to run for the 'test' command.
         If the user runs 'python setup.py test', the package will be installed,
         and the named test suite will be run.  The format is the same as
@@ -400,14 +388,14 @@ class Distribution(_Distribution):
     for manipulating the distribution's contents.  For example, the 'include()'
     and 'exclude()' methods can be thought of as in-place add and subtract
     commands that add or remove packages, modules, extensions, and so on from
-    the distribution.  They are used by the feature subsystem to configure the
-    distribution for the included and excluded features.
+    the distribution.
     """
 
     _DISTUTILS_UNSUPPORTED_METADATA = {
         'long_description_content_type': None,
         'project_urls': dict,
-        'provides_extras': set,
+        'provides_extras': ordered_set.OrderedSet,
+        'license_files': ordered_set.OrderedSet,
     }
 
     _patched_dist = None
@@ -430,10 +418,6 @@ class Distribution(_Distribution):
         if not have_package_data:
             self.package_data = {}
         attrs = attrs or {}
-        if 'features' in attrs or 'require_features' in attrs:
-            Feature.warn_deprecated()
-        self.require_features = []
-        self.features = {}
         self.dist_files = []
         # Filter-out setuptools' specific options.
         self.src_root = attrs.pop("src_root", None)
@@ -459,30 +443,40 @@ class Distribution(_Distribution):
                 value = default() if default else None
             setattr(self.metadata, option, value)
 
-        if isinstance(self.metadata.version, numbers.Number):
-            # Some people apparently take "version number" too literally :)
-            self.metadata.version = str(self.metadata.version)
+        self.metadata.version = self._normalize_version(
+            self._validate_version(self.metadata.version))
+        self._finalize_requires()
 
-        if self.metadata.version is not None:
+    @staticmethod
+    def _normalize_version(version):
+        if isinstance(version, setuptools.sic) or version is None:
+            return version
+
+        normalized = str(packaging.version.Version(version))
+        if version != normalized:
+            tmpl = "Normalizing '{version}' to '{normalized}'"
+            warnings.warn(tmpl.format(**locals()))
+            return normalized
+        return version
+
+    @staticmethod
+    def _validate_version(version):
+        if isinstance(version, numbers.Number):
+            # Some people apparently take "version number" too literally :)
+            version = str(version)
+
+        if version is not None:
             try:
-                ver = packaging.version.Version(self.metadata.version)
-                normalized_version = str(ver)
-                if self.metadata.version != normalized_version:
-                    warnings.warn(
-                        "Normalizing '%s' to '%s'" % (
-                            self.metadata.version,
-                            normalized_version,
-                        )
-                    )
-                    self.metadata.version = normalized_version
+                packaging.version.Version(version)
             except (packaging.version.InvalidVersion, TypeError):
                 warnings.warn(
                     "The version specified (%r) is an invalid version, this "
                     "may not work as expected with newer versions of "
                     "setuptools, pip, and PyPI. Please see PEP 440 for more "
-                    "details." % self.metadata.version
+                    "details." % version
                 )
-        self._finalize_requires()
+                return setuptools.sic(version)
+        return version
 
     def _finalize_requires(self):
         """
@@ -569,7 +563,7 @@ class Distribution(_Distribution):
         from setuptools.extern.six.moves.configparser import ConfigParser
 
         # Ignore install directory options if we have a venv
-        if six.PY3 and sys.prefix != sys.base_prefix:
+        if not six.PY2 and sys.prefix != sys.base_prefix:
             ignore_options = [
                 'install-base', 'install-platbase', 'install-lib',
                 'install-platlib', 'install-purelib', 'install-headers',
@@ -591,7 +585,7 @@ class Distribution(_Distribution):
             with io.open(filename, encoding='utf-8') as reader:
                 if DEBUG:
                     self.announce("  reading {filename}".format(**locals()))
-                (parser.read_file if six.PY3 else parser.readfp)(reader)
+                (parser.readfp if six.PY2 else parser.read_file)(reader)
             for section in parser.sections():
                 options = parser.options(section)
                 opt_dict = self.get_option_dict(section)
@@ -619,8 +613,8 @@ class Distribution(_Distribution):
                         setattr(self, opt, strtobool(val))
                     else:
                         setattr(self, opt, val)
-                except ValueError as msg:
-                    raise DistutilsOptionError(msg)
+                except ValueError as e:
+                    raise DistutilsOptionError(e) from e
 
     @staticmethod
     def _try_str(val):
@@ -634,7 +628,7 @@ class Distribution(_Distribution):
 
         Ref #1653
         """
-        if six.PY3:
+        if not six.PY2:
             return val
         try:
             return val.encode()
@@ -686,8 +680,8 @@ class Distribution(_Distribution):
                     raise DistutilsOptionError(
                         "error in %s: command '%s' has no such option '%s'"
                         % (source, command_name, option))
-            except ValueError as msg:
-                raise DistutilsOptionError(msg)
+            except ValueError as e:
+                raise DistutilsOptionError(e) from e
 
     def parse_config_files(self, filenames=None, ignore_option_errors=False):
         """Parses configuration files from various levels
@@ -700,17 +694,6 @@ class Distribution(_Distribution):
                             ignore_option_errors=ignore_option_errors)
         self._finalize_requires()
 
-    def parse_command_line(self):
-        """Process features after parsing command line options"""
-        result = _Distribution.parse_command_line(self)
-        if self.features:
-            self._finalize_features()
-        return result
-
-    def _feature_attrname(self, name):
-        """Convert feature name to corresponding option attribute name"""
-        return 'with_' + name.replace('-', '_')
-
     def fetch_build_eggs(self, requires):
         """Resolve pre-setup requirements"""
         resolved_dists = pkg_resources.working_set.resolve(
@@ -723,15 +706,28 @@ class Distribution(_Distribution):
         return resolved_dists
 
     def finalize_options(self):
-        _Distribution.finalize_options(self)
-        if self.features:
-            self._set_global_opts_from_features()
+        """
+        Allow plugins to apply arbitrary operations to the
+        distribution. Each hook may optionally define a 'order'
+        to influence the order of execution. Smaller numbers
+        go first and the default is 0.
+        """
+        group = 'setuptools.finalize_distribution_options'
 
+        def by_order(hook):
+            return getattr(hook, 'order', 0)
+        eps = map(lambda e: e.load(), pkg_resources.iter_entry_points(group))
+        for ep in sorted(eps, key=by_order):
+            ep(self)
+
+    def _finalize_setup_keywords(self):
         for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
             value = getattr(self, ep.name, None)
             if value is not None:
                 ep.require(installer=self.fetch_build_egg)
                 ep.load()(self, ep.name, value)
+
+    def _finalize_2to3_doctests(self):
         if getattr(self, 'convert_2to3_doctests', None):
             # XXX may convert to set here when we can rely on set being builtin
             self.convert_2to3_doctests = [
@@ -758,76 +754,8 @@ class Distribution(_Distribution):
 
     def fetch_build_egg(self, req):
         """Fetch an egg needed for building"""
-        from setuptools.command.easy_install import easy_install
-        dist = self.__class__({'script_args': ['easy_install']})
-        opts = dist.get_option_dict('easy_install')
-        opts.clear()
-        opts.update(
-            (k, v)
-            for k, v in self.get_option_dict('easy_install').items()
-            if k in (
-                # don't use any other settings
-                'find_links', 'site_dirs', 'index_url',
-                'optimize', 'site_dirs', 'allow_hosts',
-            ))
-        if self.dependency_links:
-            links = self.dependency_links[:]
-            if 'find_links' in opts:
-                links = opts['find_links'][1] + links
-            opts['find_links'] = ('setup', links)
-        install_dir = self.get_egg_cache_dir()
-        cmd = easy_install(
-            dist, args=["x"], install_dir=install_dir,
-            exclude_scripts=True,
-            always_copy=False, build_directory=None, editable=False,
-            upgrade=False, multi_version=True, no_report=True, user=False
-        )
-        cmd.ensure_finalized()
-        return cmd.easy_install(req)
-
-    def _set_global_opts_from_features(self):
-        """Add --with-X/--without-X options based on optional features"""
-
-        go = []
-        no = self.negative_opt.copy()
-
-        for name, feature in self.features.items():
-            self._set_feature(name, None)
-            feature.validate(self)
-
-            if feature.optional:
-                descr = feature.description
-                incdef = ' (default)'
-                excdef = ''
-                if not feature.include_by_default():
-                    excdef, incdef = incdef, excdef
-
-                new = (
-                    ('with-' + name, None, 'include ' + descr + incdef),
-                    ('without-' + name, None, 'exclude ' + descr + excdef),
-                )
-                go.extend(new)
-                no['without-' + name] = 'with-' + name
-
-        self.global_options = self.feature_options = go + self.global_options
-        self.negative_opt = self.feature_negopt = no
-
-    def _finalize_features(self):
-        """Add/remove features and resolve dependencies between them"""
-
-        # First, flag all the enabled items (and thus their dependencies)
-        for name, feature in self.features.items():
-            enabled = self.feature_is_included(name)
-            if enabled or (enabled is None and feature.include_by_default()):
-                feature.include_in(self)
-                self._set_feature(name, 1)
-
-        # Then disable the rest, so that off-by-default features don't
-        # get flagged as errors when they're required by an enabled feature
-        for name, feature in self.features.items():
-            if not self.feature_is_included(name):
-                feature.exclude_from(self)
-                self._set_feature(name, 0)
+        from setuptools.installer import fetch_build_egg
+        return fetch_build_egg(self, req)
 
     def get_command_class(self, command):
         """Pluggable version of get_command_class()"""
@@ -858,25 +786,6 @@ class Distribution(_Distribution):
                 self.cmdclass[ep.name] = cmdclass
         return _Distribution.get_command_list(self)
 
-    def _set_feature(self, name, status):
-        """Set feature's inclusion status"""
-        setattr(self, self._feature_attrname(name), status)
-
-    def feature_is_included(self, name):
-        """Return 1 if feature is included, 0 if excluded, 'None' if unknown"""
-        return getattr(self, self._feature_attrname(name))
-
-    def include_feature(self, name):
-        """Request inclusion of feature named 'name'"""
-
-        if self.feature_is_included(name) == 0:
-            descr = self.features[name].description
-            raise DistutilsOptionError(
-                descr + " is required, but was excluded or is not available"
-            )
-        self.features[name].include_in(self)
-        self._set_feature(name, 1)
-
     def include(self, **attrs):
         """Add items to distribution that are named in keyword arguments
 
@@ -938,10 +847,10 @@ class Distribution(_Distribution):
             )
         try:
             old = getattr(self, name)
-        except AttributeError:
+        except AttributeError as e:
             raise DistutilsSetupError(
                 "%s: No such distribution setting" % name
-            )
+            ) from e
         if old is not None and not isinstance(old, sequence):
             raise DistutilsSetupError(
                 name + ": this setting cannot be changed via include/exclude"
@@ -958,10 +867,10 @@ class Distribution(_Distribution):
             )
         try:
             old = getattr(self, name)
-        except AttributeError:
+        except AttributeError as e:
             raise DistutilsSetupError(
                 "%s: No such distribution setting" % name
-            )
+            ) from e
         if old is None:
             setattr(self, name, value)
         elif not isinstance(old, sequence):
@@ -1121,160 +1030,6 @@ class Distribution(_Distribution):
                 sys.stdout.detach(), encoding, errors, newline, line_buffering)
 
 
-class Feature:
-    """
-    **deprecated** -- The `Feature` facility was never completely implemented
-    or supported, `has reported issues
-    <https://github.com/pypa/setuptools/issues/58>`_ and will be removed in
-    a future version.
-
-    A subset of the distribution that can be excluded if unneeded/wanted
-
-    Features are created using these keyword arguments:
-
-      'description' -- a short, human readable description of the feature, to
-         be used in error messages, and option help messages.
-
-      'standard' -- if true, the feature is included by default if it is
-         available on the current system.  Otherwise, the feature is only
-         included if requested via a command line '--with-X' option, or if
-         another included feature requires it.  The default setting is 'False'.
-
-      'available' -- if true, the feature is available for installation on the
-         current system.  The default setting is 'True'.
-
-      'optional' -- if true, the feature's inclusion can be controlled from the
-         command line, using the '--with-X' or '--without-X' options.  If
-         false, the feature's inclusion status is determined automatically,
-         based on 'availabile', 'standard', and whether any other feature
-         requires it.  The default setting is 'True'.
-
-      'require_features' -- a string or sequence of strings naming features
-         that should also be included if this feature is included.  Defaults to
-         empty list.  May also contain 'Require' objects that should be
-         added/removed from the distribution.
-
-      'remove' -- a string or list of strings naming packages to be removed
-         from the distribution if this feature is *not* included.  If the
-         feature *is* included, this argument is ignored.  This argument exists
-         to support removing features that "crosscut" a distribution, such as
-         defining a 'tests' feature that removes all the 'tests' subpackages
-         provided by other features.  The default for this argument is an empty
-         list.  (Note: the named package(s) or modules must exist in the base
-         distribution when the 'setup()' function is initially called.)
-
-      other keywords -- any other keyword arguments are saved, and passed to
-         the distribution's 'include()' and 'exclude()' methods when the
-         feature is included or excluded, respectively.  So, for example, you
-         could pass 'packages=["a","b"]' to cause packages 'a' and 'b' to be
-         added or removed from the distribution as appropriate.
-
-    A feature must include at least one 'requires', 'remove', or other
-    keyword argument.  Otherwise, it can't affect the distribution in any way.
-    Note also that you can subclass 'Feature' to create your own specialized
-    feature types that modify the distribution in other ways when included or
-    excluded.  See the docstrings for the various methods here for more detail.
-    Aside from the methods, the only feature attributes that distributions look
-    at are 'description' and 'optional'.
-    """
-
-    @staticmethod
-    def warn_deprecated():
-        msg = (
-            "Features are deprecated and will be removed in a future "
-            "version. See https://github.com/pypa/setuptools/issues/65."
-        )
-        warnings.warn(msg, DistDeprecationWarning, stacklevel=3)
-
-    def __init__(
-            self, description, standard=False, available=True,
-            optional=True, require_features=(), remove=(), **extras):
-        self.warn_deprecated()
-
-        self.description = description
-        self.standard = standard
-        self.available = available
-        self.optional = optional
-        if isinstance(require_features, (str, Require)):
-            require_features = require_features,
-
-        self.require_features = [
-            r for r in require_features if isinstance(r, str)
-        ]
-        er = [r for r in require_features if not isinstance(r, str)]
-        if er:
-            extras['require_features'] = er
-
-        if isinstance(remove, str):
-            remove = remove,
-        self.remove = remove
-        self.extras = extras
-
-        if not remove and not require_features and not extras:
-            raise DistutilsSetupError(
-                "Feature %s: must define 'require_features', 'remove', or "
-                "at least one of 'packages', 'py_modules', etc."
-            )
-
-    def include_by_default(self):
-        """Should this feature be included by default?"""
-        return self.available and self.standard
-
-    def include_in(self, dist):
-        """Ensure feature and its requirements are included in distribution
-
-        You may override this in a subclass to perform additional operations on
-        the distribution.  Note that this method may be called more than once
-        per feature, and so should be idempotent.
-
-        """
-
-        if not self.available:
-            raise DistutilsPlatformError(
-                self.description + " is required, "
-                "but is not available on this platform"
-            )
-
-        dist.include(**self.extras)
-
-        for f in self.require_features:
-            dist.include_feature(f)
-
-    def exclude_from(self, dist):
-        """Ensure feature is excluded from distribution
-
-        You may override this in a subclass to perform additional operations on
-        the distribution.  This method will be called at most once per
-        feature, and only after all included features have been asked to
-        include themselves.
-        """
-
-        dist.exclude(**self.extras)
-
-        if self.remove:
-            for item in self.remove:
-                dist.exclude_package(item)
-
-    def validate(self, dist):
-        """Verify that feature makes sense in context of distribution
-
-        This method is called by the distribution just before it parses its
-        command line.  It checks to ensure that the 'remove' attribute, if any,
-        contains only valid package/module names that are present in the base
-        distribution when 'setup()' is called.  You may override it in a
-        subclass to perform any other required validation of the feature
-        against a target distribution.
-        """
-
-        for item in self.remove:
-            if not dist.has_contents_for(item):
-                raise DistutilsSetupError(
-                    "%s wants to be able to remove %s, but the distribution"
-                    " doesn't contain any packages or modules under %s"
-                    % (self.description, item, item)
-                )
-
-
 class DistDeprecationWarning(SetuptoolsDeprecationWarning):
     """Class for warning about deprecations in dist in
     setuptools. Not ignored by default, unlike DeprecationWarning."""