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 import textwrap
  11
  12 sys.stdout = codecs.getwriter("utf-8")(sys.stdout.detach())
  13
  14 # Suck up the git log output and extract the information we need.
  15 bugs = []
  16 entries = []
  17 entry = None
  18 subject_wait = False
  19 for line in sys.stdin:
  20     if line.startswith('commit '):
  21         if entry and 'ignore' not in entry:
  22             entries.append(entry)
  23         entry = {}
  24         subject_wait = True
  25
  26     elif line.startswith('Author: '):
  27         bits = line.strip().split(maxsplit=1)
  28         entry['author'] = bits[1]
  29
  30     elif subject_wait and line.startswith('    '):
  31         subject_wait = False
  32         entry['subject'] = line.strip()
  33
  34     elif line.startswith('    BugLink: ') and 'launchpad.net' in line:
  35         bits = line.strip().split(maxsplit=1)
  36         bits = bits[1].split('/')
  37         entry.setdefault('bugs', []).append(bits[-1])
  38
  39         # Accumulate bug numbers.
  40         if bits[-1] not in bugs:
  41             bugs.append(bits[-1])
  42
  43     elif line.startswith('    Ignore:'):
  44         entry['ignore'] = True
  45
  46
  47 entries.reverse()
  48
  49 # Go through the entries and clear out authors for upstream commits.
  50 for entry in entries:
  51     if entry['subject'].startswith('UBUNTU:'):
  52         entry['subject'] = entry['subject'][7:].strip()
  53     else:
  54         del entry['author']
  55
  56 # Lump everything without a bug at the bottom.
  57 bugs.append('__packaging__')
  58 bugs.append('__mainline__')
  59
  60 emit_nl = False
  61 for bug in bugs:
  62     if bug == '__packaging__':
  63         title = 'Miscellaneous Ubuntu changes'
  64     elif bug == '__mainline__':
  65         title = 'Miscellaneous upstream changes'
  66     else:
  67         bug_info = None
  68
  69         try:
  70             #urllib.request.urlcleanup()
  71             request = urllib.request.Request('https://api.launchpad.net/devel/bugs/' + bug)
  72             request.add_header('Cache-Control', 'max-age=0')
  73             with urllib.request.urlopen(request) as response:
  74                 data = response.read()
  75                 bug_info = json.loads(data.decode('utf-8'))
  76
  77             title = bug_info['title']
  78             if 'description' in bug_info:
  79                 for line in bug_info['description'].split('\n'):
  80                     if line.startswith('Kernel-Description:'):
  81                         title = line.split(' ', 1)[1]
  82
  83         except urllib.error.HTTPError:
  84             title = 'INVALID or PRIVATE BUG'
  85
  86         title += ' (LP: #' + bug + ')'
  87
  88     emit_title = True
  89     for entry in entries:
  90         if (bug == '__packaging__' and 'bugs' not in entry and 'author' in entry) or \
  91            (bug == '__mainline__' and 'bugs' not in entry and 'author' not in entry) or \
  92            ('bugs' in entry and bug in entry['bugs']):
  93             if emit_title:
  94                 if emit_nl:
  95                     print('')
  96                 emit_nl = True
  97
  98                 title_lines = textwrap.wrap(title, 76)
  99                 print('  * ' + title_lines[0])
 100                 for line in title_lines[1:]:
 101                     print('    ' + line)
 102
 103                 emit_title = False
 104             title_lines = textwrap.wrap(entry['subject'], 76)
 105             print('    - ' + title_lines[0])
 106             for line in title_lines[1:]:
 107                 print('      ' + line)
 108