我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用zipimport.zipimporter()。
def find_eggs_in_zip(importer, path_item, only=False): """ Find eggs in zip files; possibly multiple nested eggs. """ if importer.archive.endswith('.whl'): # wheels are not supported with this finder # they don't have PKG-INFO metadata, and won't ever contain eggs return metadata = EggMetadata(importer) if metadata.has_metadata('PKG-INFO'): yield Distribution.from_filename(path_item, metadata=metadata) if only: # don't yield nested distros return for subitem in metadata.resource_listdir('/'): if _is_unpacked_egg(subitem): subpath = os.path.join(path_item, subitem) for dist in find_eggs_in_zip(zipimport.zipimporter(subpath), subpath): yield dist
def find_eggs_in_zip(importer, path_item, only=False): """ Find eggs in zip files; possibly multiple nested eggs. """ if importer.archive.endswith('.whl'): # wheels are not supported with this finder # they don't have PKG-INFO metadata, and won't ever contain eggs return metadata = EggMetadata(importer) if metadata.has_metadata('PKG-INFO'): yield Distribution.from_filename(path_item, metadata=metadata) if only: # don't yield nested distros return for subitem in metadata.resource_listdir('/'): if _is_egg_path(subitem): subpath = os.path.join(path_item, subitem) for dist in find_eggs_in_zip(zipimport.zipimporter(subpath), subpath): yield dist elif subitem.lower().endswith('.dist-info'): subpath = os.path.join(path_item, subitem) submeta = EggMetadata(zipimport.zipimporter(subpath)) submeta.egg_info = subpath yield Distribution.from_location(path_item, subitem, submeta)
def _collect_zipimporter_cache_entries(normalized_path, cache): """ Return zipimporter cache entry keys related to a given normalized path. Alternative path spellings (e.g. those using different character case or those using alternative path separators) related to the same path are included. Any sub-path entries are included as well, i.e. those corresponding to zip archives embedded in other zip archives. """ result = [] prefix_len = len(normalized_path) for p in cache: np = normalize_path(p) if (np.startswith(normalized_path) and np[prefix_len:prefix_len + 1] in (os.sep, '')): result.append(p) return result
def _remove_and_clear_zip_directory_cache_data(normalized_path): def clear_and_remove_cached_zip_archive_directory_data(path, old_entry): old_entry.clear() _update_zipimporter_cache( normalized_path, zipimport._zip_directory_cache, updater=clear_and_remove_cached_zip_archive_directory_data) # PyPy Python implementation does not allow directly writing to the # zipimport._zip_directory_cache and so prevents us from attempting to correct # its content. The best we can do there is clear the problematic cache content # and have PyPy repopulate it as needed. The downside is that if there are any # stale zipimport.zipimporter instances laying around, attempting to use them # will fail due to not having its zip archive directory information available # instead of being automatically corrected to use the new correct zip archive # directory information.
def _replace_zip_directory_cache_data(normalized_path): def replace_cached_zip_archive_directory_data(path, old_entry): # N.B. In theory, we could load the zip directory information just # once for all updated path spellings, and then copy it locally and # update its contained path strings to contain the correct # spelling, but that seems like a way too invasive move (this cache # structure is not officially documented anywhere and could in # theory change with new Python releases) for no significant # benefit. old_entry.clear() zipimport.zipimporter(path) old_entry.update(zipimport._zip_directory_cache[path]) return old_entry _update_zipimporter_cache( normalized_path, zipimport._zip_directory_cache, updater=replace_cached_zip_archive_directory_data)
def find_eggs_in_zip(importer, path_item, only=False): """ Find eggs in zip files; possibly multiple nested eggs. """ if importer.archive.endswith('.whl'): # wheels are not supported with this finder # they don't have PKG-INFO metadata, and won't ever contain eggs return metadata = EggMetadata(importer) if metadata.has_metadata('PKG-INFO'): yield Distribution.from_filename(path_item, metadata=metadata) if only: # don't yield nested distros return for subitem in metadata.resource_listdir('/'): if _is_egg_path(subitem): subpath = os.path.join(path_item, subitem) dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath) for dist in dists: yield dist elif subitem.lower().endswith('.dist-info'): subpath = os.path.join(path_item, subitem) submeta = EggMetadata(zipimport.zipimporter(subpath)) submeta.egg_info = subpath yield Distribution.from_location(path_item, subitem, submeta)
def find_eggs_in_zip(importer, path_item, only=False): """ Find eggs in zip files; possibly multiple nested eggs. """ if importer.archive.endswith('.whl'): # wheels are not supported with this finder # they don't have PKG-INFO metadata, and won't ever contain eggs return metadata = EggMetadata(importer) if metadata.has_metadata('PKG-INFO'): yield Distribution.from_filename(path_item, metadata=metadata) if only: return # don't yield nested distros for subitem in metadata.resource_listdir('/'): if subitem.endswith('.egg'): subpath = os.path.join(path_item, subitem) for dist in find_eggs_in_zip(zipimport.zipimporter(subpath), subpath): yield dist
def find_eggs_in_zip(importer, path_item, only=False): """ Find eggs in zip files; possibly multiple nested eggs. """ if importer.archive.endswith('.whl'): # wheels are not supported with this finder # they don't have PKG-INFO metadata, and won't ever contain eggs return metadata = EggMetadata(importer) if metadata.has_metadata('PKG-INFO'): yield Distribution.from_filename(path_item, metadata=metadata) if only: # don't yield nested distros return for subitem in metadata.resource_listdir('/'): if subitem.endswith('.egg'): subpath = os.path.join(path_item, subitem) for dist in find_eggs_in_zip(zipimport.zipimporter(subpath), subpath): yield dist
def find_eggs_in_zip(importer, path_item, only=False): """ Find eggs in zip files; possibly multiple nested eggs. """ if importer.archive.endswith('.whl'): # wheels are not supported with this finder # they don't have PKG-INFO metadata, and won't ever contain eggs return metadata = EggMetadata(importer) if metadata.has_metadata('PKG-INFO'): yield Distribution.from_filename(path_item, metadata=metadata) if only: # don't yield nested distros return for subitem in metadata.resource_listdir('/'): if _is_unpacked_egg(subitem): subpath = os.path.join(path_item, subitem) for dist in find_eggs_in_zip(zipimport.zipimporter(subpath), subpath): yield dist elif subitem.lower().endswith('.dist-info'): subpath = os.path.join(path_item, subitem) submeta = EggMetadata(zipimport.zipimporter(subpath)) submeta.egg_info = subpath yield Distribution.from_location(path_item, subitem, submeta)
