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Direktori : /lib/python2.7/site-packages/setuptools/ |
Current File : //lib/python2.7/site-packages/setuptools/site-patch.py |
def __boot(): import sys, os, os.path 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__) #print "searching",stdpath,sys.path 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 >= 3.3 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") #print "loaded", __file__ 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