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75 lines
2.2 KiB
75 lines
2.2 KiB
5 years ago
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def __boot():
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import sys
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import os
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PYTHONPATH = os.environ.get('PYTHONPATH')
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if PYTHONPATH is None or (sys.platform == 'win32' and not PYTHONPATH):
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PYTHONPATH = []
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else:
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PYTHONPATH = PYTHONPATH.split(os.pathsep)
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pic = getattr(sys, 'path_importer_cache', {})
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stdpath = sys.path[len(PYTHONPATH):]
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mydir = os.path.dirname(__file__)
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for item in stdpath:
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if item == mydir or not item:
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continue # skip if current dir. on Windows, or my own directory
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importer = pic.get(item)
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if importer is not None:
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loader = importer.find_module('site')
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if loader is not None:
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# This should actually reload the current module
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loader.load_module('site')
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break
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else:
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try:
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import imp # Avoid import loop in Python 3
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stream, path, descr = imp.find_module('site', [item])
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except ImportError:
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continue
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if stream is None:
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continue
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try:
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# This should actually reload the current module
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imp.load_module('site', stream, path, descr)
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finally:
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stream.close()
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break
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else:
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raise ImportError("Couldn't find the real 'site' module")
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known_paths = dict([(makepath(item)[1], 1) for item in sys.path]) # 2.2 comp
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oldpos = getattr(sys, '__egginsert', 0) # save old insertion position
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sys.__egginsert = 0 # and reset the current one
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for item in PYTHONPATH:
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addsitedir(item)
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sys.__egginsert += oldpos # restore effective old position
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d, nd = makepath(stdpath[0])
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insert_at = None
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new_path = []
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for item in sys.path:
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p, np = makepath(item)
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if np == nd and insert_at is None:
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# We've hit the first 'system' path entry, so added entries go here
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insert_at = len(new_path)
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if np in known_paths or insert_at is None:
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new_path.append(item)
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else:
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# new path after the insert point, back-insert it
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new_path.insert(insert_at, item)
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insert_at += 1
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sys.path[:] = new_path
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if __name__ == 'site':
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__boot()
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del __boot
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