Eliminado venv y www del repositorio, agrege un requirements igual

venv/lib/python3.8/site-packages/pip/_internal/build_env.py

@@ -12,14 +12,15 @@ from sysconfig import get_paths
 from pip._vendor.pkg_resources import Requirement, VersionConflict, WorkingSet
 
 from pip import __file__ as pip_location
-from pip._internal.utils.misc import call_subprocess
-from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.cli.spinners import open_spinner
+from pip._internal.utils.subprocess import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-from pip._internal.utils.ui import open_spinner
 
 if MYPY_CHECK_RUNNING:
-    from typing import Tuple, Set, Iterable, Optional, List
-    from pip._internal.index import PackageFinder
+    from types import TracebackType
+    from typing import Tuple, Set, Iterable, Optional, List, Type
+    from pip._internal.index.package_finder import PackageFinder
 
 logger = logging.getLogger(__name__)
 
@@ -50,11 +51,12 @@ class BuildEnvironment(object):
 
     def __init__(self):
         # type: () -> None
-        self._temp_dir = TempDirectory(kind="build-env")
-        self._temp_dir.create()
+        temp_dir = TempDirectory(
+            kind=tempdir_kinds.BUILD_ENV, globally_managed=True
+        )
 
         self._prefixes = OrderedDict((
-            (name, _Prefix(os.path.join(self._temp_dir.path, name)))
+            (name, _Prefix(os.path.join(temp_dir.path, name)))
             for name in ('normal', 'overlay')
         ))
 
@@ -73,7 +75,7 @@ class BuildEnvironment(object):
                 get_python_lib(plat_specific=True),
             )
         }
-        self._site_dir = os.path.join(self._temp_dir.path, 'site')
+        self._site_dir = os.path.join(temp_dir.path, 'site')
         if not os.path.exists(self._site_dir):
             os.mkdir(self._site_dir)
         with open(os.path.join(self._site_dir, 'sitecustomize.py'), 'w') as fp:
@@ -105,6 +107,7 @@ class BuildEnvironment(object):
             ).format(system_sites=system_sites, lib_dirs=self._lib_dirs))
 
     def __enter__(self):
+        # type: () -> None
         self._save_env = {
             name: os.environ.get(name, None)
             for name in ('PATH', 'PYTHONNOUSERSITE', 'PYTHONPATH')
@@ -123,17 +126,19 @@ class BuildEnvironment(object):
             'PYTHONPATH': os.pathsep.join(pythonpath),
         })
 
-    def __exit__(self, exc_type, exc_val, exc_tb):
+    def __exit__(
+        self,
+        exc_type,  # type: Optional[Type[BaseException]]
+        exc_val,  # type: Optional[BaseException]
+        exc_tb  # type: Optional[TracebackType]
+    ):
+        # type: (...) -> None
         for varname, old_value in self._save_env.items():
             if old_value is None:
                 os.environ.pop(varname, None)
             else:
                 os.environ[varname] = old_value
 
-    def cleanup(self):
-        # type: () -> None
-        self._temp_dir.cleanup()
-
     def check_requirements(self, reqs):
         # type: (Iterable[str]) -> Tuple[Set[Tuple[str, str]], Set[str]]
         """Return 2 sets:
@@ -158,7 +163,7 @@ class BuildEnvironment(object):
         finder,  # type: PackageFinder
         requirements,  # type: Iterable[str]
         prefix_as_string,  # type: str
-        message  # type: Optional[str]
+        message  # type: str
     ):
         # type: (...) -> None
         prefix = self._prefixes[prefix_as_string]
@@ -192,6 +197,8 @@ class BuildEnvironment(object):
             args.extend(['--trusted-host', host])
         if finder.allow_all_prereleases:
             args.append('--pre')
+        if finder.prefer_binary:
+            args.append('--prefer-binary')
         args.append('--')
         args.extend(requirements)
         with open_spinner(message) as spinner:
@@ -203,16 +210,32 @@ class NoOpBuildEnvironment(BuildEnvironment):
     """
 
     def __init__(self):
+        # type: () -> None
         pass
 
     def __enter__(self):
+        # type: () -> None
         pass
 
-    def __exit__(self, exc_type, exc_val, exc_tb):
+    def __exit__(
+        self,
+        exc_type,  # type: Optional[Type[BaseException]]
+        exc_val,  # type: Optional[BaseException]
+        exc_tb  # type: Optional[TracebackType]
+    ):
+        # type: (...) -> None
         pass
 
     def cleanup(self):
+        # type: () -> None
         pass
 
-    def install_requirements(self, finder, requirements, prefix, message):
+    def install_requirements(
+        self,
+        finder,  # type: PackageFinder
+        requirements,  # type: Iterable[str]
+        prefix_as_string,  # type: str
+        message  # type: str
+    ):
+        # type: (...) -> None
         raise NotImplementedError()