code.delx.au - gnu-emacs-elpa/blob - admin/forward-diffs.py

   1 #!/usr/bin/python
   2 ### forward-diffs.py --- forward emacs-elpa-diffs mails to maintainers
   3
   4 ## Copyright (C) 2012 Free Software Foundation, Inc.
   5
   6 ## Author: Glenn Morris <rgm@gnu.org>
   7
   8 ## This program is free software; you can redistribute it and/or modify
   9 ## it under the terms of the GNU General Public License as published by
  10 ## the Free Software Foundation, either version 3 of the License, or
  11 ## (at your option) any later version.
  12
  13 ## This program is distributed in the hope that it will be useful,
  14 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ## GNU General Public License for more details.
  17
  18 ## You should have received a copy of the GNU General Public License
  19 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 ### Commentary:
  22
  23 ## Forward emails from the emacs-elpa-diffs mailing list to the
  24 ## maintainer(s) of the modified files.
  25
  26 ## Example usage from procmail (all arguments are compulsory):
  27
  28 ## :0c
  29 ## * ^TO_emacs-elpa-diffs@gnu\.org
  30 ## | forward-diffs.py -m maintfile -l logfile -s sender
  31
  32 ## where
  33
  34 ## sender = your email address
  35 ## logfile = file to write log to (you might want to rotate/compress/examine it)
  36 ## maintfile = file listing packages and their maintainers, with format:
  37 ##
  38 ## package1   email1
  39 ## package2   email2,email3
  40 ##
  41 ## Use "nomail" for the email field to not send a mail.
  42 ##
  43 ## overmaintfile = like maintfile, but takes precedence over it.
  44
  45 ### Code:
  46
  47 import optparse
  48 import sys
  49 import re
  50 import email
  51 import smtplib
  52 import datetime
  53 import os
  54
  55 usage="""usage: %prog <-m maintfile> <-l logfile> <-s sender>
  56    <-p /path/to/packages> [-o overmaintfile] [--sendmail] [--debug]
  57 Take a GNU ELPA diff on stdin, and forward it to the maintainer(s)."""
  58
  59 parser = optparse.OptionParser()
  60 parser.set_usage ( usage )
  61 parser.add_option( "-m", dest="maintfile", default=None,
  62                    help="file listing packages and maintainers")
  63 parser.add_option( "-l", dest="logfile", default=None,
  64                    help="file to append output to")
  65 parser.add_option( "-o", dest="overmaintfile", default=None,
  66                    help="override file listing packages and maintainers")
  67 parser.add_option( "-p", dest="packagedir", default=None,
  68                    help="path to packages directory")
  69 parser.add_option( "-s", dest="sender", default=None,
  70                    help="sender address for forwards")
  71 parser.add_option( "--sendmail", dest="sendmail", default=False,
  72                    action="store_true", help="use sendmail rather than smtp")
  73 parser.add_option( "--debug", dest="debug", default=False,
  74                    action="store_true", help="debug only, do not send mail")
  75
  76
  77 ( opts, args ) = parser.parse_args()
  78
  79 if not opts.logfile:
  80     parser.error('No logfile specified')
  81
  82 if not opts.maintfile:
  83     parser.error('No maintfile specified')
  84
  85 if not opts.packagedir:
  86     parser.error('No packagedir specified')
  87
  88 if not opts.sender:
  89     parser.error('No sender specified')
  90
  91
  92 if not os.path.isdir(opts.packagedir):
  93     sys.stderr.write('Error reading packagedir\n')
  94     sys.exit(1)
  95
  96
  97 try:
  98     lfile = open( opts.logfile, 'a' )
  99 except Exception as err:
 100     sys.stderr.write('Error opening logfile: %s\n' % str(err))
 101     sys.exit(1)
 102
 103
 104 try:
 105     mfile = open( opts.maintfile, 'r' )
 106 except Exception as err:
 107     lfile.write('Error opening maintfile: %s\n' % str(err))
 108     sys.exit(1)
 109
 110 ## Each element is package: maint1, maint2, ...
 111 maints = {}
 112
 113 for line in mfile:
 114     if re.match( '^#|^ *$', line ): continue
 115     (pack, maint) = line.split()
 116     maints[pack] = maint.split(',')
 117
 118 mfile.close()
 119
 120
 121 if opts.overmaintfile:
 122     try:
 123         ofile = open( opts.overmaintfile, 'r' )
 124     except Exception as err:
 125         lfile.write('Error opening overmaintfile: %s\n' % str(err))
 126         sys.exit(1)
 127
 128     for line in ofile:
 129         if re.match( '^#|^ *$', line ): continue
 130         (pack, maint) = line.split()
 131         maints[pack] = maint.split(',')
 132
 133     ofile.close()
 134
 135
 136 stdin = sys.stdin
 137
 138 text = stdin.read()
 139
 140
 141 resent_via = 'GNU ELPA diff forwarder'
 142
 143 message = email.message_from_string( text )
 144
 145 (msg_name, msg_from) = email.utils.parseaddr( message['from'] )
 146
 147 lfile.write('\nDate: %s\n' % str(datetime.datetime.now()))
 148 lfile.write('Message-ID: %s\n' % message['message-id'])
 149 lfile.write('From: %s\n' % msg_from)
 150
 151 if resent_via == message['x-resent-via']:
 152     lfile.write('Mail loop; aborting\n')
 153     sys.exit(1)
 154
 155
 156 start = False
 157 packs_seen = []
 158 maints_seen = []
 159
 160 for line in text.splitlines():
 161
 162     if re.match( '^modified:$', line ):
 163         start = True
 164         continue
 165
 166     if not start: continue
 167
 168     if re.match( '^ *$', line ): break
 169
 170
 171     reg = re.match( '^packages/([^/]+)', line.strip() )
 172     if not reg: break
 173
 174
 175     pack = reg.group(1)
 176
 177     lfile.write('Package: %s\n' % pack)
 178
 179     if pack in packs_seen:
 180         lfile.write('Already seen this package\n')
 181         continue
 182
 183     packs_seen.append(pack)
 184
 185
 186     if not pack in maints:
 187         lfile.write('Unknown maintainer\n')
 188         continue
 189
 190
 191     for maint in maints[pack]:
 192
 193         lfile.write('Maint: %s\n' % maint)
 194
 195
 196         if maint in maints_seen:
 197             lfile.write('Already seen this maintainer\n')
 198             continue
 199
 200         maints_seen.append(maint)
 201
 202
 203         if maint == "nomail":
 204             lfile.write('Not resending, no mail is requested\n')
 205             continue
 206
 207
 208         if maint == msg_from:
 209             lfile.write('Not resending, since maintainer = committer\n')
 210             continue
 211
 212
 213         forward = message
 214         forward.add_header('X-Resent-Via', resent_via)
 215         forward.add_header('Resent-To', maint)
 216         forward.add_header('Resent-From', opts.sender)
 217
 218         lfile.write('Resending via %s...\n' % ('sendmail'
 219                     if opts.sendmail else 'smtp') )
 220
 221
 222         if debug: continue
 223
 224
 225         if opts.sendmail:
 226              s = os.popen("/usr/sbin/sendmail -i -f %s %s" %
 227                           (opts.sender, maint), "w")
 228              s.write(forward.as_string())
 229              status = s.close()
 230              if status:
 231                  lfile.write('Sendmail exit status: %s\n' % status)
 232
 233         else:
 234
 235             try:
 236                 s = smtplib.SMTP('localhost')
 237             except Exception as err:
 238                 lfile.write('Error opening smtp: %s\n' % str(err))
 239                 sys.exit(1)
 240
 241             try:
 242                 s.sendmail(opts.sender, maint, forward.as_string())
 243             except Exception as err:
 244                 lfile.write('Error sending smtp: %s\n' % str(err))
 245
 246             s.quit()
 247
 248 ### forward-diffs.py ends here