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