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def pkg_resources::find_on_path (   importer,
  only = False 

Yield distributions accessible on a sys.path directory

Definition at line 1680 of file pkg_resources.py.

01680                                                  :
    """Yield distributions accessible on a sys.path directory"""
    path_item = _normalize_cached(path_item)

    if os.path.isdir(path_item) and os.access(path_item, os.R_OK):
        if path_item.lower().endswith('.egg'):
            # unpacked egg
            yield Distribution.from_filename(
                path_item, metadata=PathMetadata(
                    path_item, os.path.join(path_item,'EGG-INFO')
            # scan for .egg and .egg-info in directory
            for entry in os.listdir(path_item):
                lower = entry.lower()
                if lower.endswith('.egg-info'):
                    fullpath = os.path.join(path_item, entry)
                    if os.path.isdir(fullpath):
                        # egg-info directory, allow getting metadata
                        metadata = PathMetadata(path_item, fullpath)
                        metadata = FileMetadata(fullpath)
                    yield Distribution.from_location(
                elif not only and lower.endswith('.egg'):
                    for dist in find_distributions(os.path.join(path_item, entry)):
                        yield dist
                elif not only and lower.endswith('.egg-link'):
                    for line in open(os.path.join(path_item, entry)):
                        if not line.strip(): continue
                        for item in find_distributions(os.path.join(path_item,line.rstrip())):
                            yield item

_namespace_handlers = {}

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