3 # Patchwork - automated patch tracking system
4 # Copyright (C) 2008 Jeremy Kerr <jk@ozlabs.org>
6 # This file is part of the Patchwork package.
8 # Patchwork 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 2 of the License, or
11 # (at your option) any later version.
13 # Patchwork 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.
18 # You should have received a copy of the GNU General Public License
19 # along with Patchwork; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 from email import message_from_file
29 from email.header import Header
30 from email.utils import parsedate_tz, mktime_tz
32 # Python 2.4 compatibility
33 from email.Header import Header
34 from email.Utils import parsedate_tz, mktime_tz
36 from patchparser import parse_patch
37 from patchwork.models import Patch, Project, Person, Comment
39 list_id_headers = ['List-ID', 'X-Mailing-List']
41 def find_project(mail):
43 listid_re = re.compile('.*<([^>]+)>.*', re.S)
45 for header in list_id_headers:
47 match = listid_re.match(mail.get(header))
51 listid = match.group(1)
54 project = Project.objects.get(listid = listid)
61 def find_author(mail):
63 from_header = mail.get('From').strip()
64 (name, email) = (None, None)
66 # tuple of (regex, fn)
67 # - where fn returns a (name, email) tuple from the match groups resulting
68 # from re.match().groups()
70 # for "Firstname Lastname" <example@example.com> style addresses
71 (re.compile('"?(.*?)"?\s*<([^>]+)>'), (lambda g: (g[0], g[1]))),
73 # for example@example.com (Firstname Lastname) style addresses
74 (re.compile('"?(.*?)"?\s*\(([^\)]+)\)'), (lambda g: (g[1], g[0]))),
77 (re.compile('(.*)'), (lambda g: (None, g[0]))),
80 for regex, fn in from_res:
81 match = regex.match(from_header)
83 (name, email) = fn(match.groups())
87 raise Exception("Could not parse From: header")
96 person = Person.objects.get(email = email)
97 except Person.DoesNotExist:
98 person = Person(name = name, email = email)
101 return (person, new_person)
104 t = parsedate_tz(mail.get('Date', ''))
107 return datetime.datetime.utcnow()
108 return datetime.datetime.utcfromtimestamp(mktime_tz(t))
110 def mail_headers(mail):
111 return reduce(operator.__concat__,
112 ['%s: %s\n' % (k, Header(v, header_name = k, \
113 continuation_ws = '\t').encode()) \
114 for (k, v) in mail.items()])
116 def find_content(project, mail):
120 for part in mail.walk():
121 if part.get_content_maintype() != 'text':
124 #print "\t%s, %s" % \
125 # (part.get_content_subtype(), part.get_content_charset())
127 charset = part.get_content_charset()
129 charset = mail.get_charset()
133 payload = unicode(part.get_payload(decode=True), charset, "replace")
135 if part.get_content_subtype() == 'x-patch':
138 if part.get_content_subtype() == 'plain':
140 (patchbuf, c) = parse_patch(payload)
145 commentbuf += c.strip() + '\n'
152 patch = Patch(name = clean_subject(mail.get('Subject')),
153 content = patchbuf, date = mail_date(mail),
154 headers = mail_headers(mail))
160 cpatch = find_patch_for_comment(mail)
163 comment = Comment(patch = cpatch, date = mail_date(mail),
164 content = clean_content(commentbuf),
165 headers = mail_headers(mail))
167 return (patch, comment)
169 def find_patch_for_comment(mail):
170 # construct a list of possible reply message ids
172 if 'In-Reply-To' in mail:
173 refs.append(mail.get('In-Reply-To'))
175 if 'References' in mail:
176 rs = mail.get('References').split()
185 # first, check for a direct reply
187 patch = Patch.objects.get(msgid = ref)
189 except Patch.DoesNotExist:
192 # see if we have comments that refer to a patch
194 comment = Comment.objects.get(msgid = ref)
196 except Comment.DoesNotExist:
202 re_re = re.compile('^(re|fwd?)[:\s]\s*', re.I)
203 prefix_re = re.compile('^\[.*\]\s*')
204 whitespace_re = re.compile('\s+')
206 def clean_subject(subject):
207 subject = re_re.sub(' ', subject)
208 subject = prefix_re.sub('', subject)
209 subject = whitespace_re.sub(' ', subject)
210 return subject.strip()
212 sig_re = re.compile('^(-{2,3} ?|_+)\n.*', re.S | re.M)
213 def clean_content(str):
214 str = sig_re.sub('', str)
218 mail = message_from_file(sys.stdin)
220 # some basic sanity checks
221 if 'From' not in mail:
224 if 'Subject' not in mail:
227 if 'Message-Id' not in mail:
230 hint = mail.get('X-Patchwork-Hint', '').lower()
234 project = find_project(mail)
236 print "no project found"
239 msgid = mail.get('Message-Id').strip()
241 (author, save_required) = find_author(mail)
243 (patch, comment) = find_content(project, mail)
246 # we delay the saving until we know we have a patch.
249 save_required = False
250 patch.submitter = author
252 patch.project = project
255 except Exception, ex:
261 # looks like the original constructor for Comment takes the pk
262 # when the Comment is created. reset it here.
264 comment.patch = patch
265 comment.submitter = author
266 comment.msgid = msgid
269 except Exception, ex:
274 if __name__ == '__main__':
275 sys.exit(main(sys.argv))