1 # GNU MediaGoblin -- federated, autonomous media hosting
2 # Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
4 # This program is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU Affero General Public License as published by
6 # the Free Software Foundation, either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU Affero General Public License for more details.
14 # You should have received a copy of the GNU Affero General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 import mediagoblin
.mg_globals
as mg_globals
19 from os
.path
import splitext
20 from cgi
import FieldStorage
22 from celery
import registry
26 _log
= logging
.getLogger(__name__
)
28 from werkzeug
.utils
import secure_filename
30 from mediagoblin
.db
.util
import ObjectId
31 from mediagoblin
.tools
.text
import convert_to_tag_list_of_dicts
32 from mediagoblin
.tools
.translate
import pass_to_ugettext
as _
33 from mediagoblin
.tools
.response
import render_to_response
, redirect
34 from mediagoblin
.decorators
import require_active_login
35 from mediagoblin
.submit
import forms
as submit_forms
, security
36 from mediagoblin
.processing
import mark_entry_failed
, ProcessMedia
37 from mediagoblin
.messages
import add_message
, SUCCESS
38 from mediagoblin
.media_types
import get_media_type_and_manager
, \
39 InvalidFileType
, FileTypeNotSupported
43 def submit_start(request
):
45 First view for submitting a file.
47 submit_form
= submit_forms
.SubmitStartForm(request
.POST
)
49 if request
.method
== 'POST' and submit_form
.validate():
50 if not ('file' in request
.POST
51 and isinstance(request
.POST
['file'], FieldStorage
)
52 and request
.POST
['file'].file):
53 submit_form
.file.errors
.append(
54 _(u
'You must provide a file.'))
57 filename
= request
.POST
['file'].filename
58 media_type
, media_manager
= get_media_type_and_manager(filename
)
60 # create entry and save in database
61 entry
= request
.db
.MediaEntry()
63 entry
.media_type
= unicode(media_type
)
65 unicode(request
.POST
['title'])
66 or unicode(splitext(filename
)[0]))
68 entry
.description
= unicode(request
.POST
.get('description'))
70 entry
.license
= unicode(request
.POST
.get('license', "")) or None
72 entry
.uploader
= request
.user
._id
74 # Process the user's folksonomy "tags"
75 entry
.tags
= convert_to_tag_list_of_dicts(
76 request
.POST
.get('tags'))
78 # Generate a slug from the title
81 # We generate this ourselves so we know what the taks id is for
84 # (If we got it off the task's auto-generation, there'd be
85 # a risk of a race condition when we'd save after sending
87 task_id
= unicode(uuid
.uuid4())
89 # Now store generate the queueing related filename
90 queue_filepath
= request
.app
.queue_store
.get_unique_filepath(
93 secure_filename(filename
)])
96 queue_file
= request
.app
.queue_store
.get_file(
100 queue_file
.write(request
.POST
['file'].file.read())
102 # Add queued filename to the entry
103 entry
.queued_media_file
= queue_filepath
105 entry
.queued_task_id
= task_id
107 # Save now so we have this data before kicking off processing
108 entry
.save(validate
=True)
110 # Pass off to processing
112 # (... don't change entry after this point to avoid race
113 # conditions with changes to the document via processing code)
114 process_media
= registry
.tasks
[ProcessMedia
.name
]
116 process_media
.apply_async(
117 [unicode(entry
._id
)], {},
119 except BaseException
as exc
:
120 # The purpose of this section is because when running in "lazy"
121 # or always-eager-with-exceptions-propagated celery mode that
122 # the failure handling won't happen on Celery end. Since we
123 # expect a lot of users to run things in this way we have to
124 # capture stuff here.
126 # ... not completely the diaper pattern because the
127 # exception is re-raised :)
128 mark_entry_failed(entry
._id
, exc
)
129 # re-raise the exception
132 if mg_globals
.app_config
["push_urls"]:
133 feed_url
=request
.urlgen(
134 'mediagoblin.user_pages.atom_feed',
135 qualified
=True,user
=request
.user
.username
)
137 'hub.mode': 'publish',
139 hubdata
= urllib
.urlencode(hubparameters
)
141 "Content-type": "application/x-www-form-urlencoded",
142 "Connection": "close"}
143 for huburl
in mg_globals
.app_config
["push_urls"]:
144 hubrequest
= urllib2
.Request(huburl
, hubdata
, hubheaders
)
146 hubresponse
= urllib2
.urlopen(hubrequest
)
147 except urllib2
.HTTPError
as exc
:
148 # This is not a big issue, the item will be fetched
149 # by the PuSH server next time we hit it
151 "push url %r gave error %r", huburl
, exc
.code
)
152 except urllib2
.URLError
as exc
:
154 "push url %r is unreachable %r", huburl
, exc
.reason
)
156 add_message(request
, SUCCESS
, _('Woohoo! Submitted!'))
158 return redirect(request
, "mediagoblin.user_pages.user_home",
159 user
=request
.user
.username
)
160 except Exception as e
:
162 This section is intended to catch exceptions raised in
163 mediagobling.media_types
166 if isinstance(e
, InvalidFileType
) or \
167 isinstance(e
, FileTypeNotSupported
):
168 submit_form
.file.errors
.append(
173 return render_to_response(
175 'mediagoblin/submit/start.html',
176 {'submit_form': submit_form
,
177 'app_config': mg_globals
.app_config
})