forked from mirrors/gecko-dev
55 lines
2 KiB
Python
55 lines
2 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# This script is not to be imported.
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assert __name__ == '__main__'
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import os
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import sys
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# If some older version of virtualenv is installed, it may interfere with this one.
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# So filter-out site-packages and dist-packages directories where it might be installed.
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# This is kinda sorta like invoking python with -S, but invoking a virtualenv python 2.7
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# with -S is broken (sys.path becomes completely wrong, and even `import os` fails).
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# (And while yes, it is kind of silly to use a virtualenv python to run virtualenv, we
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# do)
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sys.path = [p for p in sys.path if os.path.basename(p) not in ('site-packages', 'dist-packages')]
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try:
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import importlib.util
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spec = importlib.util.spec_from_file_location('main', os.path.join(os.path.dirname(__file__), '__main__.py'))
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mod = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(mod)
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except ImportError:
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import imp
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mod_info = imp.find_module('__main__', [os.path.dirname(__file__)])
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mod = imp.load_module('main', *mod_info)
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# Fake zipfile module to make `mod.VersionedFindLoad` able to read the extracted
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# files rather than the zipapp.
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class fake_zipfile(object):
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class ZipFile(object):
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def __init__(self, path, mode):
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self._path = path
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self._mode = mode
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def open(self, path):
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# The caller expects a raw file object, with no unicode handling.
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return open(os.path.join(self._path, path), self._mode + 'b')
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def close(self):
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pass
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mod.zipfile = fake_zipfile
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def run():
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with mod.VersionedFindLoad() as finder:
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sys.meta_path.insert(0, finder)
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finder._register_distutils_finder()
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from virtualenv.__main__ import run as run_virtualenv
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run_virtualenv()
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if __name__ == "__main__":
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run()
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