]> git.ozlabs.org Git - patchwork/blob - apps/patchwork/views/__init__.py
views: Move mbox handling from models to views
[patchwork] / apps / patchwork / views / __init__.py
1 # Patchwork - automated patch tracking system
2 # Copyright (C) 2008 Jeremy Kerr <jk@ozlabs.org>
3 #
4 # This file is part of the Patchwork package.
5 #
6 # Patchwork is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10 #
11 # Patchwork is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 # GNU General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with Patchwork; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19
20
21 from base import *
22 from patchwork.utils import Order, get_patch_ids, bundle_actions, set_bundle
23 from patchwork.paginator import Paginator
24 from patchwork.forms import MultiplePatchForm
25 from patchwork.models import Comment
26 import re
27 import datetime
28
29 try:
30     from email.mime.nonmultipart import MIMENonMultipart
31     from email.encoders import encode_7or8bit
32     from email.parser import HeaderParser
33     from email.header import Header
34     import email.utils
35 except ImportError:
36     # Python 2.4 compatibility
37     from email.MIMENonMultipart import MIMENonMultipart
38     from email.Encoders import encode_7or8bit
39     from email.Parser import HeaderParser
40     from email.Header import Header
41     import email.Utils
42     email.utils = email.Utils
43
44 def generic_list(request, project, view,
45         view_args = {}, filter_settings = [], patches = None,
46         editable_order = False):
47
48     context = PatchworkRequestContext(request,
49             list_view = view,
50             list_view_params = view_args)
51
52     context.project = project
53     order = Order(request.REQUEST.get('order'), editable = editable_order)
54
55     # Explicitly set data to None because request.POST will be an empty dict
56     # when the form is not submitted, but passing a non-None data argument to
57     # a forms.Form will make it bound and we don't want that to happen unless
58     # there's been a form submission.
59     data = None
60     if request.method == 'POST':
61         data = request.POST
62     user = request.user
63     properties_form = None
64     if project.is_editable(user):
65
66         # we only pass the post data to the MultiplePatchForm if that was
67         # the actual form submitted
68         data_tmp = None
69         if data and data.get('form', '') == 'patchlistform':
70             data_tmp = data
71
72         properties_form = MultiplePatchForm(project, data = data_tmp)
73
74     if request.method == 'POST' and data.get('form') == 'patchlistform':
75         action = data.get('action', '').lower()
76
77         # special case: the user may have hit enter in the 'create bundle'
78         # text field, so if non-empty, assume the create action:
79         if data.get('bundle_name', False):
80             action = 'create'
81
82         ps = Patch.objects.filter(id__in = get_patch_ids(data))
83
84         if action in bundle_actions:
85             errors = set_bundle(user, project, action, data, ps, context)
86
87         elif properties_form and action == properties_form.action:
88             errors = process_multiplepatch_form(properties_form, user,
89                                                 action, ps, context)
90         else:
91             errors = []
92
93         if errors:
94             context['errors'] = errors
95
96     for (filterclass, setting) in filter_settings:
97         if isinstance(setting, dict):
98             context.filters.set_status(filterclass, **setting)
99         elif isinstance(setting, list):
100             context.filters.set_status(filterclass, *setting)
101         else:
102             context.filters.set_status(filterclass, setting)
103
104     if patches is None:
105         patches = Patch.objects.filter(project=project)
106
107     patches = context.filters.apply(patches)
108     if not editable_order:
109         patches = patches.order_by(order.query())
110
111     paginator = Paginator(request, patches)
112
113     context.update({
114             'page':             paginator.current_page,
115             'patchform':        properties_form,
116             'project':          project,
117             'order':            order,
118             })
119
120     return context
121
122
123 def process_multiplepatch_form(form, user, action, patches, context):
124     errors = []
125     if not form.is_valid() or action != form.action:
126         return ['The submitted form data was invalid']
127
128     if len(patches) == 0:
129         context.add_message("No patches selected; nothing updated")
130         return errors
131
132     changed_patches = 0
133     for patch in patches:
134         if not patch.is_editable(user):
135             errors.append("You don't have permissions to edit patch '%s'"
136                             % patch.name)
137             continue
138
139         changed_patches += 1
140         form.save(patch)
141
142     if changed_patches == 1:
143         context.add_message("1 patch updated")
144     elif changed_patches > 1:
145         context.add_message("%d patches updated" % changed_patches)
146     else:
147         context.add_message("No patches updated")
148
149     return errors
150
151 class PatchMbox(MIMENonMultipart):
152     patch_charset = 'utf-8'
153     def __init__(self, _text):
154         MIMENonMultipart.__init__(self, 'text', 'plain',
155                         **{'charset': self.patch_charset})
156         self.set_payload(_text.encode(self.patch_charset))
157         encode_7or8bit(self)
158
159 def patch_to_mbox(patch):
160     postscript_re = re.compile('\n-{2,3} ?\n')
161
162     comment = None
163     try:
164         comment = Comment.objects.get(patch = patch, msgid = patch.msgid)
165     except Exception:
166         pass
167
168     body = ''
169     if comment:
170         body = comment.content.strip() + "\n"
171
172     parts = postscript_re.split(body, 1)
173     if len(parts) == 2:
174         (body, postscript) = parts
175         body = body.strip() + "\n"
176         postscript = postscript.strip() + "\n"
177     else:
178         postscript = ''
179
180     for comment in Comment.objects.filter(patch = patch) \
181             .exclude(msgid = patch.msgid):
182         body += comment.patch_responses()
183
184     if body:
185         body += '\n'
186
187     if postscript:
188         body += '---\n' + postscript.strip() + '\n'
189
190     if patch.content:
191         body += '\n' + patch.content
192
193     utc_timestamp = (patch.date -
194             datetime.datetime.utcfromtimestamp(0)).total_seconds()
195
196     mail = PatchMbox(body)
197     mail['Subject'] = patch.name
198     mail['Date'] = email.utils.formatdate(utc_timestamp)
199     mail['From'] = email.utils.formataddr((
200                     str(Header(patch.submitter.name, mail.patch_charset)),
201                     patch.submitter.email))
202     mail['X-Patchwork-Id'] = str(patch.id)
203     mail['Message-Id'] = patch.msgid
204     mail.set_unixfrom('From patchwork ' + patch.date.ctime())
205
206
207     copied_headers = ['To', 'Cc']
208     orig_headers = HeaderParser().parsestr(str(patch.headers))
209     for header in copied_headers:
210         if header in orig_headers:
211             mail[header] = orig_headers[header]
212
213     return mail