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1 | #!/usr/bin/env python |
2 | |
3 | # Copyright (C) 2013 nu774 |
4 | # For conditions of distribution and use, see copyright notice in COPYING |
5 | |
6 | import sys |
7 | import re |
8 | from subprocess import Popen, PIPE |
9 | from itertools import groupby |
10 | from collections import namedtuple |
11 | |
12 | GITLOG_FMT = 'commit %H%nauthor %cn <%ae>%ndate %ad%nsubject %s%nref %d%n%n' |
13 | GITLOG_CMD = ['git','log','--date=short','--format={0}'.format(GITLOG_FMT)] |
14 | |
15 | Commit = namedtuple('Commit', 'commit author date subject ref') |
16 | |
17 | def parse_gitlog(stream): |
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18 | re_decode_ref = re.compile(r'(?<=\()([^,)]+)') |
19 | re_strip_tag = re.compile(r'^tag: ') |
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20 | commit = dict() |
21 | for line in stream: |
22 | fields = line.decode('utf-8').rstrip('\r\n').split(' ', 1) |
23 | if len(fields) == 2: |
24 | key, value = fields |
25 | if key == 'ref': |
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26 | m = re_decode_ref.search(value) |
27 | if m: |
28 | value = ' [{0}]'.format(re_strip_tag.sub('', m.group())) |
29 | else: |
30 | value = '' |
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31 | commit[key] = value |
32 | elif commit: |
33 | yield Commit(**commit) |
34 | commit = dict() |
35 | |
36 | output=sys.stdout.write |
37 | |
38 | with Popen(GITLOG_CMD, shell=False, stdout=PIPE).stdout as pipe: |
39 | commits = parse_gitlog(pipe) |
40 | commits_by_date_author = groupby(commits, key=lambda x: (x.date, x.author)) |
41 | for (date, author), commits in commits_by_date_author: |
42 | output('{0} {1}\n\n'.format(date, author)) |
43 | for c in commits: |
44 | output(' * {0}{1}\n\n'.format(c.subject, c.ref)) |