devscripts/install_deps.py

   1 #!/usr/bin/env python3
   2
   3 # Allow execution from anywhere
   4 import os
   5 import sys
   6
   7 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   8
   9 import argparse
  10 import re
  11 import subprocess
  12
  13 from pathlib import Path
  14
  15 from devscripts.tomlparse import parse_toml
  16 from devscripts.utils import read_file
  17
  18
  19 def parse_args():
  20     parser = argparse.ArgumentParser(description='Install dependencies for yt-dlp')
  21     parser.add_argument(
  22         'input', nargs='?', metavar='TOMLFILE', default=Path(__file__).parent.parent / 'pyproject.toml',
  23         help='input file (default: %(default)s)')
  24     parser.add_argument(
  25         '-e', '--exclude', metavar='DEPENDENCY', action='append',
  26         help='exclude a dependency')
  27     parser.add_argument(
  28         '-i', '--include', metavar='GROUP', action='append',
  29         help='include an optional dependency group')
  30     parser.add_argument(
  31         '-o', '--only-optional', action='store_true',
  32         help='only install optional dependencies')
  33     parser.add_argument(
  34         '-p', '--print', action='store_true',
  35         help='only print requirements to stdout')
  36     parser.add_argument(
  37         '-u', '--user', action='store_true',
  38         help='install with pip as --user')
  39     return parser.parse_args()
  40
  41
  42 def main():
  43     args = parse_args()
  44     project_table = parse_toml(read_file(args.input))['project']
  45     recursive_pattern = re.compile(rf'{project_table["name"]}\[(?P<group_name>[\w-]+)\]')
  46     optional_groups = project_table['optional-dependencies']
  47     excludes = args.exclude or []
  48
  49     def yield_deps(group):
  50         for dep in group:
  51             if mobj := recursive_pattern.fullmatch(dep):
  52                 yield from optional_groups.get(mobj.group('group_name'), [])
  53             else:
  54                 yield dep
  55
  56     targets = []
  57     if not args.only_optional:  # `-o` should exclude 'dependencies' and the 'default' group
  58         targets.extend(project_table['dependencies'])
  59         if 'default' not in excludes:  # `--exclude default` should exclude entire 'default' group
  60             targets.extend(yield_deps(optional_groups['default']))
  61
  62     for include in filter(None, map(optional_groups.get, args.include or [])):
  63         targets.extend(yield_deps(include))
  64
  65     targets = [t for t in targets if re.match(r'[\w-]+', t).group(0).lower() not in excludes]
  66
  67     if args.print:
  68         for target in targets:
  69             print(target)
  70         return
  71
  72     pip_args = [sys.executable, '-m', 'pip', 'install', '-U']
  73     if args.user:
  74         pip_args.append('--user')
  75     pip_args.extend(targets)
  76
  77     return subprocess.call(pip_args)
  78
  79
  80 if __name__ == '__main__':
  81     sys.exit(main())