src/tools/cargo/publish.py

   1 #!/usr/bin/env python3
   2
   3 # This script is used to publish Cargo to crates.io.
   4 #
   5 # This is run automatically every 6 weeks by the Release team's automation
   6 # whose source is at https://github.com/rust-lang/simpleinfra/.
   7 #
   8 # See https://doc.crates.io/contrib/process/release.html for more about
   9 # Cargo's release process.
  10
  11 import os
  12 import re
  13 import subprocess
  14 import urllib.request
  15 from urllib.error import HTTPError
  16
  17
  18 TO_PUBLISH = [
  19     'credential/cargo-credential',
  20     'credential/cargo-credential-libsecret',
  21     'credential/cargo-credential-wincred',
  22     'credential/cargo-credential-1password',
  23     'credential/cargo-credential-macos-keychain',
  24     'crates/cargo-platform',
  25     'crates/cargo-util',
  26     'crates/crates-io',
  27     '.',
  28 ]
  29
  30
  31 def already_published(name, version):
  32     try:
  33         urllib.request.urlopen('https://crates.io/api/v1/crates/%s/%s/download' % (name, version))
  34     except HTTPError as e:
  35         if e.code == 404:
  36             return False
  37         raise
  38     return True
  39
  40
  41 def maybe_publish(path):
  42     content = open(os.path.join(path, 'Cargo.toml')).read()
  43     name = re.search('^name = "([^"]+)"', content, re.M).group(1)
  44     version = re.search('^version = "([^"]+)"', content, re.M).group(1)
  45     if already_published(name, version):
  46         print('%s %s is already published, skipping' % (name, version))
  47         return False
  48     subprocess.check_call(['cargo', 'publish', '--no-verify'], cwd=path)
  49     return True
  50
  51
  52 def main():
  53     print('Starting publish...')
  54     for path in TO_PUBLISH:
  55         maybe_publish(path)
  56
  57     print('Publish complete!')
  58
  59
  60 if __name__ == '__main__':
  61     main()