debian/scripts/misc/git-ubuntu-log

   1 #!/usr/bin/python3
   2
   3 import os
   4 import sys
   5
   6 import codecs
   7 import urllib.request
   8 import json
   9
  10 sys.stdout = codecs.getwriter("utf-8")(sys.stdout.detach())
  11
  12 # Suck up the git log output and extract the information we need.
  13 bugs = []
  14 entries = []
  15 entry = None
  16 subject_wait = False
  17 for line in sys.stdin:
  18     if line.startswith('commit '):
  19         if entry and 'ignore' not in entry:
  20             entries.append(entry)
  21         entry = {}
  22         subject_wait = True
  23
  24     elif line.startswith('Author: '):
  25         bits = line.strip().split(maxsplit=1)
  26         entry['author'] = bits[1]
  27
  28     elif subject_wait and line.startswith('    '):
  29         subject_wait = False
  30         entry['subject'] = line.strip()
  31
  32     elif line.startswith('    BugLink: ') and 'launchpad.net' in line:
  33         bits = line.strip().split(maxsplit=1)
  34         bits = bits[1].split('/')
  35         entry.setdefault('bugs', []).append(bits[-1])
  36
  37         # Accumulate bug numbers.
  38         if bits[-1] not in bugs:
  39             bugs.append(bits[-1])
  40
  41     elif line.startswith('    Ignore:'):
  42         entry['ignore'] = True
  43
  44
  45 entries.reverse()
  46
  47 # Go through the entries and clear out authors for upstream commits.
  48 for entry in entries:
  49     if entry['subject'].startswith('UBUNTU:'):
  50         entry['subject'] = entry['subject'][7:].strip()
  51     else:
  52         del entry['author']
  53
  54 # Lump everything without a bug at the bottom.
  55 bugs.append('__packaging__')
  56 bugs.append('__mainline__')
  57
  58 emit_nl = False
  59 for bug in bugs:
  60     if bug == '__packaging__':
  61         title = 'Miscellaneous Ubuntu changes'
  62     elif bug == '__mainline__':
  63         title = 'Miscellaneous upstream changes'
  64     else:
  65         bug_info = None
  66
  67         #urllib.request.urlcleanup()
  68         request = urllib.request.Request('https://api.launchpad.net/devel/bugs/' + bug)
  69         request.add_header('Cache-Control', 'max-age=0')
  70         with urllib.request.urlopen(request) as response:
  71             data = response.read()
  72             bug_info = json.loads(data.decode('utf-8'))
  73
  74         title = bug_info['title']
  75         if 'description' in bug_info:
  76             for line in bug_info['description'].split('\n'):
  77                 if line.startswith('Kernel-Description:'):
  78                     title = line.split(' ', 1)[1]
  79
  80         title += ' (LP: #' + bug + ')'
  81
  82     emit_title = True
  83     for entry in entries:
  84         if (bug == '__packaging__' and 'bugs' not in entry and 'author' in entry) or \
  85            (bug == '__mainline__' and 'bugs' not in entry and 'author' not in entry) or \
  86            ('bugs' in entry and bug in entry['bugs']):
  87             if emit_title:
  88                 if emit_nl:
  89                     print('')
  90                 emit_nl = True
  91
  92                 print('  * ' + title)
  93                 emit_title = False
  94             print('    - ' + entry['subject'])
  95