edu_video_gen

# Copyright 2013 Donald Stufft # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # https://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import os import re import zipfile from typing import List from twine import distribution from twine import exceptions wheel_file_re = re.compile( r"""^(?P<namever>(?P<name>.+?)(-(?P<ver>\d.+?))?) ((-(?P<build>\d.*?))?-(?P<pyver>.+?)-(?P<abi>.+?)-(?P<plat>.+?) \.whl|\.dist-info)$""", re.VERBOSE, ) class Wheel(distribution.Distribution): def __init__(self, filename: str) -> None: if not os.path.exists(filename): raise exceptions.InvalidDistribution(f"No such file: {filename}") self.filename = filename @property def py_version(self) -> str: wheel_info = wheel_file_re.match(os.path.basename(self.filename)) if wheel_info is None: return "any" else: return wheel_info.group("pyver") @staticmethod def find_candidate_metadata_files(names: List[str]) -> List[List[str]]: """Filter files that may be METADATA files.""" tuples = [x.split("/") for x in names if "METADATA" in x] return [x[1] for x in sorted((len(x), x) for x in tuples)] def read(self) -> bytes: fqn = os.path.abspath(os.path.normpath(self.filename)) if not os.path.exists(fqn): raise exceptions.InvalidDistribution("No such file: %s" % fqn) if fqn.endswith(".whl"): archive = zipfile.ZipFile(fqn) names = archive.namelist() def read_file(name: str) -> bytes: return archive.read(name) else: raise exceptions.InvalidDistribution( "Not a known archive format for file: %s" % fqn ) searched_files: List[str] = [] try: for path in self.find_candidate_metadata_files(names): candidate = "/".join(path) data = read_file(candidate) if b"Metadata-Version" in data: return data searched_files.append(candidate) finally: archive.close() raise exceptions.InvalidDistribution( "No METADATA in archive or METADATA missing 'Metadata-Version': " "%s (searched %s)" % (fqn, ",".join(searched_files)) )