publish.py

   1 #!/usr/bin/env python3
   2
   3 # This script is used to publish Cargo to crates.io.
   4
   5 import os
   6 import re
   7 import subprocess
   8 import urllib.request
   9 from urllib.error import HTTPError
  10
  11
  12 TO_PUBLISH = [
  13     'crates/cargo-platform',
  14     'crates/crates-io',
  15     '.',
  16 ]
  17
  18
  19 def already_published(name, version):
  20     try:
  21         urllib.request.urlopen('https://crates.io/api/v1/crates/%s/%s/download' % (name, version))
  22     except HTTPError as e:
  23         if e.code == 404:
  24             return False
  25         raise
  26     return True
  27
  28
  29 def maybe_publish(path):
  30     content = open(os.path.join(path, 'Cargo.toml')).read()
  31     name = re.search('^name = "([^"]+)"', content, re.M).group(1)
  32     version = re.search('^version = "([^"]+)"', content, re.M).group(1)
  33     if already_published(name, version):
  34         print('%s %s is already published, skipping' % (name, version))
  35         return
  36     subprocess.check_call(['cargo', 'publish', '--no-verify'], cwd=path)
  37
  38
  39 def main():
  40     print('Doing dry run first...')
  41     for path in TO_PUBLISH:
  42         subprocess.check_call(['cargo', 'publish', '--no-verify', '--dry-run'], cwd=path)
  43     print('Starting publish...')
  44     for path in TO_PUBLISH:
  45         maybe_publish(path)
  46     print('Publish complete!')
  47
  48
  49 if __name__ == '__main__':
  50     main()