# GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 Free Software Foundation, Inc
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+import mediagoblin.mg_globals as mg_globals
+import uuid
from os.path import splitext
from cgi import FieldStorage
-from string import split
+
+from celery import registry
from werkzeug.utils import secure_filename
-from mediagoblin.util import (
- render_to_response, redirect, cleaned_markdown_conversion, \
- convert_to_tag_list)
+from mediagoblin.db.util import ObjectId
+from mediagoblin.tools.text import cleaned_markdown_conversion, convert_to_tag_list_of_dicts
+from mediagoblin.tools.translate import pass_to_ugettext as _
+from mediagoblin.tools.response import render_to_response, redirect
from mediagoblin.decorators import require_active_login
from mediagoblin.submit import forms as submit_forms, security
-from mediagoblin.process_media import process_media_initial
+from mediagoblin.processing import mark_entry_failed, ProcessMedia
from mediagoblin.messages import add_message, SUCCESS
+from mediagoblin.media_types import get_media_type_and_manager, \
+ InvalidFileType, FileTypeNotSupported
@require_active_login
submit_form = submit_forms.SubmitStartForm(request.POST)
if request.method == 'POST' and submit_form.validate():
- if not (request.POST.has_key('file')
+ if not ('file' in request.POST
and isinstance(request.POST['file'], FieldStorage)
and request.POST['file'].file):
submit_form.file.errors.append(
- u'You must provide a file.')
- elif not security.check_filetype(request.POST['file']):
- submit_form.file.errors.append(
- u'The file doesn\'t seem to be an image!')
+ _(u'You must provide a file.'))
else:
- filename = request.POST['file'].filename
-
- # create entry and save in database
- entry = request.db.MediaEntry()
- entry['title'] = (
- request.POST['title']
- or unicode(splitext(filename)[0]))
-
- entry['description'] = request.POST.get('description')
- entry['description_html'] = cleaned_markdown_conversion(
- entry['description'])
-
- entry['media_type'] = u'image' # heh
- entry['uploader'] = request.user['_id']
-
- # Process the user's folksonomy "tags"
- entry['tags'] = convert_to_tag_list(request)
-
- # Save, just so we can get the entry id for the sake of using
- # it to generate the file path
- entry.save(validate=False)
-
- # Generate a slug from the title
- entry.generate_slug()
-
- # Now store generate the queueing related filename
- queue_filepath = request.app.queue_store.get_unique_filepath(
- ['media_entries',
- unicode(entry['_id']),
- secure_filename(filename)])
-
- # queue appropriately
- queue_file = request.app.queue_store.get_file(
- queue_filepath, 'wb')
-
- with queue_file:
- queue_file.write(request.POST['file'].file.read())
-
- # Add queued filename to the entry
- entry['queued_media_file'] = queue_filepath
- entry.save(validate=True)
-
- # queue it for processing
- process_media_initial.delay(unicode(entry['_id']))
-
- add_message(request, SUCCESS, 'Woohoo! Submitted!')
-
- return redirect(request, "mediagoblin.user_pages.user_home",
- user = request.user['username'])
+ try:
+ filename = request.POST['file'].filename
+ media_type, media_manager = get_media_type_and_manager(filename)
+
+ # create entry and save in database
+ entry = request.db.MediaEntry()
+ entry['_id'] = ObjectId()
+ entry.media_type = unicode(media_type)
+ entry.title = (
+ unicode(request.POST['title'])
+ or unicode(splitext(filename)[0]))
+
+ entry.description = unicode(request.POST.get('description'))
+ entry.description_html = cleaned_markdown_conversion(
+ entry.description)
+
+ entry['license'] = (
+ unicode(request.POST.get('license'))
+ or '')
+
+ entry.uploader = request.user._id
+
+ # Process the user's folksonomy "tags"
+ entry['tags'] = convert_to_tag_list_of_dicts(
+ request.POST.get('tags'))
+
+ # Generate a slug from the title
+ entry.generate_slug()
+
+
+ # Now store generate the queueing related filename
+ queue_filepath = request.app.queue_store.get_unique_filepath(
+ ['media_entries',
+ unicode(entry._id),
+ secure_filename(filename)])
+
+ # queue appropriately
+ queue_file = request.app.queue_store.get_file(
+ queue_filepath, 'wb')
+
+ with queue_file:
+ queue_file.write(request.POST['file'].file.read())
+
+ # Add queued filename to the entry
+ entry.queued_media_file = queue_filepath
+
+ # We generate this ourselves so we know what the taks id is for
+ # retrieval later.
+
+ # (If we got it off the task's auto-generation, there'd be
+ # a risk of a race condition when we'd save after sending
+ # off the task)
+ task_id = unicode(uuid.uuid4())
+ entry['queued_task_id'] = task_id
+
+ # Save now so we have this data before kicking off processing
+ entry.save(validate=True)
+
+ # Pass off to processing
+ #
+ # (... don't change entry after this point to avoid race
+ # conditions with changes to the document via processing code)
+ process_media = registry.tasks[ProcessMedia.name]
+ try:
+ process_media.apply_async(
+ [unicode(entry._id)], {},
+ task_id=task_id)
+ except BaseException as exc:
+ # The purpose of this section is because when running in "lazy"
+ # or always-eager-with-exceptions-propagated celery mode that
+ # the failure handling won't happen on Celery end. Since we
+ # expect a lot of users to run things in this way we have to
+ # capture stuff here.
+ #
+ # ... not completely the diaper pattern because the
+ # exception is re-raised :)
+ mark_entry_failed(entry._id, exc)
+ # re-raise the exception
+ raise
+
+ add_message(request, SUCCESS, _('Woohoo! Submitted!'))
+
+ return redirect(request, "mediagoblin.user_pages.user_home",
+ user=request.user.username)
+ except Exception as e:
+ '''
+ This section is intended to catch exceptions raised in
+ mediagobling.media_types
+ '''
+
+ if isinstance(e, InvalidFileType) or \
+ isinstance(e, FileTypeNotSupported):
+ submit_form.file.errors.append(
+ e)
+ else:
+ raise
return render_to_response(
request,
'mediagoblin/submit/start.html',
- {'submit_form': submit_form})
-
-
-def submit_success(request):
- return render_to_response(
- request, 'mediagoblin/submit/success.html', {})
+ {'submit_form': submit_form,
+ 'app_config': mg_globals.app_config})