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 devscripts.tomlparse import parse_toml
  14 from devscripts.utils import read_file
  15
  16
  17 def parse_args():
  18     parser = argparse.ArgumentParser(description='Install dependencies for yt-dlp')
  19     parser.add_argument(
  20         'input', nargs='?', metavar='TOMLFILE', default='pyproject.toml', help='Input file (default: %(default)s)')
  21     parser.add_argument(
  22         '-e', '--exclude', metavar='DEPENDENCY', action='append', help='Exclude a dependency')
  23     parser.add_argument(
  24         '-i', '--include', metavar='GROUP', action='append', help='Include an optional dependency group')
  25     parser.add_argument(
  26         '-o', '--only-optional', action='store_true', help='Only install optional dependencies')
  27     parser.add_argument(
  28         '-p', '--print', action='store_true', help='Only print a requirements.txt to stdout')
  29     parser.add_argument(
  30         '-u', '--user', action='store_true', help='Install with pip as --user')
  31     return parser.parse_args()
  32
  33
  34 def main():
  35     args = parse_args()
  36     project_table = parse_toml(read_file(args.input))['project']
  37     optional_groups = project_table['optional-dependencies']
  38     excludes = args.exclude or []
  39
  40     deps = []
  41     if not args.only_optional:  # `-o` should exclude 'dependencies' and the 'default' group
  42         deps.extend(project_table['dependencies'])
  43         if 'default' not in excludes:  # `--exclude default` should exclude entire 'default' group
  44             deps.extend(optional_groups['default'])
  45
  46     def name(dependency):
  47         return re.match(r'[\w-]+', dependency)[0].lower()
  48
  49     target_map = {name(dep): dep for dep in deps}
  50
  51     for include in filter(None, map(optional_groups.get, args.include or [])):
  52         target_map.update(zip(map(name, include), include))
  53
  54     for exclude in map(name, excludes):
  55         target_map.pop(exclude, None)
  56
  57     targets = list(target_map.values())
  58
  59     if args.print:
  60         for target in targets:
  61             print(target)
  62         return
  63
  64     pip_args = [sys.executable, '-m', 'pip', 'install', '-U']
  65     if args.user:
  66         pip_args.append('--user')
  67     pip_args.extend(targets)
  68
  69     return subprocess.call(pip_args)
  70
  71
  72 if __name__ == '__main__':
  73     sys.exit(main())