Files
YouTubeDL/host/python_packages.py
T

42 lines
1.9 KiB
Python

"""Python dependencies used by the helper; optional cover tagging is excluded."""
from __future__ import annotations
import importlib.metadata
import re
from pathlib import Path
def requirements(yt_dlp="yt-dlp>=2026.8.19", ejs="yt-dlp-ejs"):
return [yt_dlp, ejs, "brotli", "certifi", "pycryptodomex",
"requests>=2.32.2,<3", "urllib3>=2,<3", "websockets>=13"]
def validate_metadata(records):
"""Reject strong copyleft Python libraries before activating a bundle.
FFmpeg is a separately executed program, so this policy concerns Python
libraries loaded into the helper process, not the FFmpeg distribution.
"""
for metadata in records:
name = re.sub(r"[-_.]+", "-", metadata.get("name", "").lower())
licenses = [metadata.get("license_expression") or "", metadata.get("license") or "",
*metadata.get("classifier", [])]
incompatible = name == "mutagen" or any(
re.search(r"(?<![A-Z])(?:A?GPL)(?:[-\s\dv]|$)|GNU (?:Affero )?General Public License",
license, re.IGNORECASE) for license in licenses)
if incompatible:
raise ValueError(f"Python-пакет {name} требует отдельной проверки совместимости лицензии; комплект не изменён.")
def validate_installed(directory: Path):
records = []
for distribution in importlib.metadata.distributions(path=[str(directory)]):
metadata = distribution.metadata
records.append({"name": metadata.get("Name", ""),
"license_expression": metadata.get("License-Expression", ""),
"license": metadata.get("License", ""),
"classifier": metadata.get_all("Classifier") or []})
validate_metadata(records)
return {distribution.metadata["Name"]: distribution.version
for distribution in importlib.metadata.distributions(path=[str(directory)])}