184dcf3cac
Intentionally left out as a separate commit, so it can be reverted once Python 2 support is dropped.
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
diff --git a/src/pip/_internal/__init__.py b/src/pip/_internal/__init__.py
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index 8c0e4c58..76e280e5 100755
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--- a/src/pip/_internal/__init__.py
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+++ b/src/pip/_internal/__init__.py
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@@ -1,2 +1,3 @@
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#!/usr/bin/env python
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import pip._internal.utils.inject_securetransport # noqa
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+from pip._internal import main # noqa
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diff --git a/src/pip/_internal/main.py b/src/pip/_internal/main.py
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index 1e922402..d3df58b3 100644
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--- a/src/pip/_internal/main.py
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+++ b/src/pip/_internal/main.py
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@@ -45,3 +45,30 @@ def main(args=None):
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command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
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return command.main(cmd_args)
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+
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+
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+# Dark magic to make the main module itself callable.
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+# This is needed to be able to use this pip in ensurepip of older Pythons
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+# without patching all the Pythons.
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+
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+# In Python 3.5+, we can just inherit, define __call__ and override
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+# sys.modules[__name__].__class__, however, that is not possible in 2.7.
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+
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+class _CallableModule(type(sys.modules[__name__])):
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+ def __init__(self):
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+ super(_CallableModule, self).__init__(__name__)
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+ self._main = sys.modules[__name__]
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+ sys.modules[__name__] = self
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+ self.__doc__ = self._main.__doc__
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+
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+ def __call__(self, *args, **kwargs):
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+ return main(*args, **kwargs)
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+
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+ def __dir__(self):
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+ return dir(self._main)
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+
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+ def __getattr__(self, attr):
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+ return getattr(self._main, attr)
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+
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+
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+_CallableModule()
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