diff options
Diffstat (limited to 'setuptools/site-patch.py')
| -rw-r--r-- | setuptools/site-patch.py | 83 | 
1 files changed, 83 insertions, 0 deletions
diff --git a/setuptools/site-patch.py b/setuptools/site-patch.py new file mode 100644 index 00000000..a7166f14 --- /dev/null +++ b/setuptools/site-patch.py @@ -0,0 +1,83 @@ +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 +     + + + + + + +  | 
