Fixes after merging video branch into master
- Removed debug output from init/celery - Moved process_media/__init__ to processing.py - Centralized the processing.ProcessMedia task class - Updated media managers to reference the processing function instead of the ProcessMedia instance - Updated new-style image processing to previous, newer old-style image processing - Updated video transcoding - Changed method in progress output, sometimes message.structure['percent'] raises KeyError
This commit is contained in:
parent
b9e1fa280e
commit
8e5f974684
@ -18,9 +18,7 @@ import os
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import sys
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MANDATORY_CELERY_IMPORTS = ['mediagoblin.process_media']
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print(MANDATORY_CELERY_IMPORTS)
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MANDATORY_CELERY_IMPORTS = ['mediagoblin.processing']
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DEFAULT_SETTINGS_MODULE = 'mediagoblin.init.celery.dummy_settings_module'
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@ -14,15 +14,13 @@
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from mediagoblin.media_types.image.processing import process_media
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from mediagoblin.media_types.image.processing import process_image
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MEDIA_MANAGER = {
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"human_readable": "Image",
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"processor": process_media, # alternately a string,
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"processor": process_image, # alternately a string,
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# 'mediagoblin.media_types.image.processing'?
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"display_template": "mediagoblin/media_displays/image.html",
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"default_thumb": "images/media_thumbs/image.jpg",
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"accepted_extensions": ["jpg", "jpeg", "png", "gif", "tiff"],
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"accepted_mimetypes": [
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"image/jpeg", "image/png", "image/gif", "image/tiff"]}
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"accepted_extensions": ["jpg", "jpeg", "png", "gif", "tiff"]}
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@ -15,6 +15,7 @@
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import Image
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import os
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from celery.task import Task
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from celery import registry
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@ -22,19 +23,9 @@ from celery import registry
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from mediagoblin.db.util import ObjectId
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from mediagoblin import mg_globals as mgg
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from mediagoblin.util import lazy_pass_to_ugettext as _
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from mediagoblin.process_media.errors import *
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THUMB_SIZE = 180, 180
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MEDIUM_SIZE = 640, 640
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def create_pub_filepath(entry, filename):
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return mgg.public_store.get_unique_filepath(
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['media_entries',
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unicode(entry['_id']),
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filename])
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from mediagoblin.processing import BaseProcessingFail, \
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mark_entry_failed, BadMediaFail, create_pub_filepath, THUMB_SIZE, \
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MEDIUM_SIZE
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################################
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# Media processing initial steps
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@ -77,67 +68,39 @@ class ProcessMedia(Task):
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process_media = registry.tasks[ProcessMedia.name]
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def mark_entry_failed(entry_id, exc):
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"""
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Mark a media entry as having failed in its conversion.
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Uses the exception that was raised to mark more information. If the
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exception is a derivative of BaseProcessingFail then we can store extra
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information that can be useful for users telling them why their media failed
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to process.
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Args:
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- entry_id: The id of the media entry
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"""
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# Was this a BaseProcessingFail? In other words, was this a
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# type of error that we know how to handle?
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if isinstance(exc, BaseProcessingFail):
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# Looks like yes, so record information about that failure and any
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# metadata the user might have supplied.
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mgg.database['media_entries'].update(
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{'_id': entry_id},
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{'$set': {u'state': u'failed',
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u'fail_error': exc.exception_path,
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u'fail_metadata': exc.metadata}})
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else:
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# Looks like no, so just mark it as failed and don't record a
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# failure_error (we'll assume it wasn't handled) and don't record
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# metadata (in fact overwrite it if somehow it had previous info
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# here)
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mgg.database['media_entries'].update(
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{'_id': entry_id},
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{'$set': {u'state': u'failed',
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u'fail_error': None,
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u'fail_metadata': {}}})
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def process_image(entry):
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"""
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Code to process an image
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"""
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workbench = mgg.workbench_manager.create_workbench()
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# Conversions subdirectory to avoid collisions
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conversions_subdir = os.path.join(
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workbench.dir, 'conversions')
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os.mkdir(conversions_subdir)
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queued_filepath = entry['queued_media_file']
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queued_filename = workbench.localized_file(
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mgg.queue_store, queued_filepath,
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'source')
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extension = os.path.splitext(queued_filename)[1]
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try:
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thumb = Image.open(queued_filename)
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except IOError:
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raise BadMediaFail()
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thumb.thumbnail(THUMB_SIZE, Image.ANTIALIAS)
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# ensure color mode is compatible with jpg
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if thumb.mode != "RGB":
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thumb = thumb.convert("RGB")
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thumb_filepath = create_pub_filepath(entry, 'thumbnail.jpg')
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thumb_file = mgg.public_store.get_file(thumb_filepath, 'w')
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with thumb_file:
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thumb.save(thumb_file, "JPEG", quality=90)
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# Copy the thumb to the conversion subdir, then remotely.
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thumb_filename = 'thumbnail' + extension
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thumb_filepath = create_pub_filepath(entry, thumb_filename)
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tmp_thumb_filename = os.path.join(
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conversions_subdir, thumb_filename)
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with file(tmp_thumb_filename, 'w') as thumb_file:
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thumb.save(thumb_file)
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mgg.public_store.copy_local_to_storage(
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tmp_thumb_filename, thumb_filepath)
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# If the size of the original file exceeds the specified size of a `medium`
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# file, a `medium.jpg` files is created and later associated with the media
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@ -148,15 +111,18 @@ def process_image(entry):
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if medium.size[0] > MEDIUM_SIZE[0] or medium.size[1] > MEDIUM_SIZE[1]:
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medium.thumbnail(MEDIUM_SIZE, Image.ANTIALIAS)
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if medium.mode != "RGB":
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medium = medium.convert("RGB")
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medium_filename = 'medium' + extension
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medium_filepath = create_pub_filepath(entry, medium_filename)
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tmp_medium_filename = os.path.join(
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conversions_subdir, medium_filename)
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medium_filepath = create_pub_filepath(entry, 'medium.jpg')
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medium_file = mgg.public_store.get_file(medium_filepath, 'w')
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with file(tmp_medium_filename, 'w') as medium_file:
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medium.save(medium_file)
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with medium_file:
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medium.save(medium_file, "JPEG", quality=90)
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medium_processed = True
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mgg.public_store.copy_local_to_storage(
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tmp_medium_filename, medium_filepath)
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medium_processed = True
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# we have to re-read because unlike PIL, not everything reads
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# things in string representation :)
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@ -165,7 +131,8 @@ def process_image(entry):
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with queued_file:
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original_filepath = create_pub_filepath(entry, queued_filepath[-1])
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with mgg.public_store.get_file(original_filepath, 'wb') as original_file:
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with mgg.public_store.get_file(original_filepath, 'wb') \
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as original_file:
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original_file.write(queued_file.read())
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mgg.queue_store.delete_file(queued_filepath)
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@ -14,13 +14,14 @@
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from mediagoblin.media_types.video.processing import process_media
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from mediagoblin.media_types.video.processing import process_video
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MEDIA_MANAGER = {
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"human_readable": "Video",
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"processor": process_media, # alternately a string,
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"processor": process_video, # alternately a string,
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# 'mediagoblin.media_types.image.processing'?
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"display_template": "mediagoblin/media_displays/video.html",
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"default_thumb": "images/media_thumbs/video.jpg",
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"accepted_extensions": ["mp4", "mov", "webm", "avi", "3gp", "3gpp", "mkv", "ogv", "ogg"]}
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"accepted_extensions": [
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"mp4", "mov", "webm", "avi", "3gp", "3gpp", "mkv", "ogv", "ogg"]}
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@ -18,21 +18,15 @@ import tempfile
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import logging
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import os
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from celery.task import Task
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from celery import registry
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from mediagoblin.db.util import ObjectId
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from mediagoblin import mg_globals as mgg
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from mediagoblin.process_media import BaseProcessingFail
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from mediagoblin.process_media import mark_entry_failed
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from mediagoblin.processing import mark_entry_failed, \
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THUMB_SIZE, MEDIUM_SIZE, create_pub_filepath
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from . import transcoders
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THUMB_SIZE = 180, 180
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MEDIUM_SIZE = 640, 640
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logger = logging.getLogger(__name__)
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logging.basicConfig()
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logger.setLevel(logging.DEBUG)
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_log = logging.getLogger(__name__)
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_log.setLevel(logging.DEBUG)
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def process_video(entry):
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@ -73,8 +67,10 @@ def process_video(entry):
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transcoder = transcoders.VideoTranscoder(queued_filename, tmp_dst.name)
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# Push transcoded video to public storage
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_log.debug('Saving medium...')
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mgg.public_store.get_file(medium_filepath, 'wb').write(
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tmp_dst.read())
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_log.debug('Saved medium')
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entry['media_files']['webm_640'] = medium_filepath
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@ -91,8 +87,10 @@ def process_video(entry):
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transcoders.VideoThumbnailer(queued_filename, tmp_thumb.name)
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# Push the thumbnail to public storage
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_log.debug('Saving thumbnail...')
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mgg.public_store.get_file(thumbnail_filepath, 'wb').write(
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tmp_thumb.read())
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_log.debug('Saved thumbnail')
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entry['media_files']['thumb'] = thumbnail_filepath
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@ -107,7 +105,9 @@ def process_video(entry):
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with mgg.public_store.get_file(original_filepath, 'wb') as \
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original_file:
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_log.debug('Saving original...')
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original_file.write(queued_file.read())
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_log.debug('Saved original')
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entry['media_files']['original'] = original_filepath
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@ -116,50 +116,3 @@ def process_video(entry):
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# Save the MediaEntry
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entry.save()
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def create_pub_filepath(entry, filename):
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return mgg.public_store.get_unique_filepath(
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['media_entries',
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unicode(entry['_id']),
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filename])
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################################
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# Media processing initial steps
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################################
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class ProcessMedia(Task):
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"""
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Pass this entry off for processing.
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"""
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def run(self, media_id):
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"""
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Pass the media entry off to the appropriate processing function
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(for now just process_image...)
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"""
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entry = mgg.database.MediaEntry.one(
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{'_id': ObjectId(media_id)})
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# Try to process, and handle expected errors.
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try:
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process_video(entry)
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except BaseProcessingFail, exc:
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mark_entry_failed(entry[u'_id'], exc)
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return
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entry['state'] = u'processed'
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entry.save()
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def on_failure(self, exc, task_id, args, kwargs, einfo):
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"""
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If the processing failed we should mark that in the database.
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Assuming that the exception raised is a subclass of BaseProcessingFail,
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we can use that to get more information about the failure and store that
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for conveying information to users about the failure, etc.
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"""
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entry_id = args[0]
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mark_entry_failed(entry_id, exc)
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process_media = registry.tasks[ProcessMedia.name]
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@ -195,7 +195,6 @@ class VideoThumbnailer:
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_log.debug('seek amount: {0}'.format(seek_amount))
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seek_result = self.thumbnail_pipeline.seek(
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1.0,
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gst.FORMAT_TIME,
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@ -204,14 +203,6 @@ class VideoThumbnailer:
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seek_amount,
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gst.SEEK_TYPE_NONE,
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0)
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'''
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seek_result = self.thumbnail_pipeline.seek_simple(
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gst.FORMAT_TIME,
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gst.SEEK_FLAG_FLUSH | gst.SEEK_FLAG_ACCURATE,
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seek_amount)
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'''
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if not seek_result:
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self.errors.append('COULD_NOT_SEEK')
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@ -576,17 +567,13 @@ class VideoTranscoder:
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elif t == gst.MESSAGE_ELEMENT:
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if message.structure.get_name() == 'progress':
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data = {
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'structure': message.structure,
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'percent': message.structure['percent'],
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'total': message.structure['total'],
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'current': message.structure['current']}
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data = dict(message.structure)
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if self._progress_callback:
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self._progress_callback(data)
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_log.info('{percent}% done...'.format(
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percent=data['percent']))
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percent=data.get('percent')))
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_log.debug(data)
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elif t == gst.MESSAGE_ERROR:
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@ -1,45 +0,0 @@
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# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from mediagoblin.tools.translate import lazy_pass_to_ugettext as _
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class BaseProcessingFail(Exception):
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"""
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Base exception that all other processing failure messages should
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subclass from.
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You shouldn't call this itself; instead you should subclass it
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and provid the exception_path and general_message applicable to
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this error.
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"""
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general_message = u''
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@property
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def exception_path(self):
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return u"%s:%s" % (
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self.__class__.__module__, self.__class__.__name__)
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def __init__(self, **metadata):
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self.metadata = metadata or {}
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class BadMediaFail(BaseProcessingFail):
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"""
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Error that should be raised when an inappropriate file was given
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for the media type specified.
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"""
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general_message = _(u'Invalid file given for media type.')
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@ -14,15 +14,14 @@
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# You should have received a copy of the GNU Affero General Public License
|
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
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import os
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|
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import Image
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from celery.task import Task
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from celery import registry
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from mediagoblin.db.util import ObjectId
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from mediagoblin import mg_globals as mgg
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from mediagoblin.process_media.errors import BaseProcessingFail, BadMediaFail
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from mediagoblin.util import lazy_pass_to_ugettext as _
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from mediagoblin.media_types import get_media_manager
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THUMB_SIZE = 180, 180
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@ -42,6 +41,8 @@ def create_pub_filepath(entry, filename):
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|
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class ProcessMedia(Task):
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"""
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DEPRECATED -- This now resides in the individual media plugins
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Pass this entry off for processing.
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"""
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def run(self, media_id):
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@ -54,8 +55,9 @@ class ProcessMedia(Task):
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# Try to process, and handle expected errors.
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try:
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__import__(entry['media_type'])
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process_image(entry)
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#__import__(entry['media_type'])
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manager = get_media_manager(entry['media_type'])
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manager['processor'](entry)
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except BaseProcessingFail, exc:
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mark_entry_failed(entry._id, exc)
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return
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@ -78,9 +80,6 @@ class ProcessMedia(Task):
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mark_entry_failed(entry_id, exc)
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process_media = registry.tasks[ProcessMedia.name]
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|
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|
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def mark_entry_failed(entry_id, exc):
|
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"""
|
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Mark a media entry as having failed in its conversion.
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@ -116,80 +115,29 @@ def mark_entry_failed(entry_id, exc):
|
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u'fail_metadata': {}}})
|
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|
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|
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def process_image(entry):
|
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class BaseProcessingFail(Exception):
|
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"""
|
||||
Code to process an image
|
||||
Base exception that all other processing failure messages should
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||||
subclass from.
|
||||
|
||||
You shouldn't call this itself; instead you should subclass it
|
||||
and provid the exception_path and general_message applicable to
|
||||
this error.
|
||||
"""
|
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workbench = mgg.workbench_manager.create_workbench()
|
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# Conversions subdirectory to avoid collisions
|
||||
conversions_subdir = os.path.join(
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workbench.dir, 'conversions')
|
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os.mkdir(conversions_subdir)
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general_message = u''
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|
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queued_filepath = entry['queued_media_file']
|
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queued_filename = workbench.localized_file(
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mgg.queue_store, queued_filepath,
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'source')
|
||||
@property
|
||||
def exception_path(self):
|
||||
return u"%s:%s" % (
|
||||
self.__class__.__module__, self.__class__.__name__)
|
||||
|
||||
extension = os.path.splitext(queued_filename)[1]
|
||||
def __init__(self, **metadata):
|
||||
self.metadata = metadata or {}
|
||||
|
||||
try:
|
||||
thumb = Image.open(queued_filename)
|
||||
except IOError:
|
||||
raise BadMediaFail()
|
||||
|
||||
thumb.thumbnail(THUMB_SIZE, Image.ANTIALIAS)
|
||||
|
||||
# Copy the thumb to the conversion subdir, then remotely.
|
||||
thumb_filename = 'thumbnail' + extension
|
||||
thumb_filepath = create_pub_filepath(entry, thumb_filename)
|
||||
tmp_thumb_filename = os.path.join(
|
||||
conversions_subdir, thumb_filename)
|
||||
with file(tmp_thumb_filename, 'w') as thumb_file:
|
||||
thumb.save(thumb_file)
|
||||
mgg.public_store.copy_local_to_storage(
|
||||
tmp_thumb_filename, thumb_filepath)
|
||||
|
||||
# If the size of the original file exceeds the specified size of a `medium`
|
||||
# file, a `medium.jpg` files is created and later associated with the media
|
||||
# entry.
|
||||
medium = Image.open(queued_filename)
|
||||
medium_processed = False
|
||||
|
||||
if medium.size[0] > MEDIUM_SIZE[0] or medium.size[1] > MEDIUM_SIZE[1]:
|
||||
medium.thumbnail(MEDIUM_SIZE, Image.ANTIALIAS)
|
||||
|
||||
medium_filename = 'medium' + extension
|
||||
medium_filepath = create_pub_filepath(entry, medium_filename)
|
||||
tmp_medium_filename = os.path.join(
|
||||
conversions_subdir, medium_filename)
|
||||
|
||||
with file(tmp_medium_filename, 'w') as medium_file:
|
||||
medium.save(medium_file)
|
||||
|
||||
mgg.public_store.copy_local_to_storage(
|
||||
tmp_medium_filename, medium_filepath)
|
||||
|
||||
medium_processed = True
|
||||
|
||||
# we have to re-read because unlike PIL, not everything reads
|
||||
# things in string representation :)
|
||||
queued_file = file(queued_filename, 'rb')
|
||||
|
||||
with queued_file:
|
||||
original_filepath = create_pub_filepath(entry, queued_filepath[-1])
|
||||
|
||||
with mgg.public_store.get_file(original_filepath, 'wb') \
|
||||
as original_file:
|
||||
original_file.write(queued_file.read())
|
||||
|
||||
mgg.queue_store.delete_file(queued_filepath)
|
||||
entry['queued_media_file'] = []
|
||||
media_files_dict = entry.setdefault('media_files', {})
|
||||
media_files_dict['thumb'] = thumb_filepath
|
||||
media_files_dict['original'] = original_filepath
|
||||
if medium_processed:
|
||||
media_files_dict['medium'] = medium_filepath
|
||||
|
||||
# clean up workbench
|
||||
workbench.destroy_self()
|
||||
class BadMediaFail(BaseProcessingFail):
|
||||
"""
|
||||
Error that should be raised when an inappropriate file was given
|
||||
for the media type specified.
|
||||
"""
|
||||
general_message = _(u'Invalid file given for media type.')
|
@ -19,6 +19,8 @@ import uuid
|
||||
from os.path import splitext
|
||||
from cgi import FieldStorage
|
||||
|
||||
from celery import registry
|
||||
|
||||
from werkzeug.utils import secure_filename
|
||||
|
||||
from mediagoblin.db.util import ObjectId
|
||||
@ -27,7 +29,7 @@ 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 mark_entry_failed
|
||||
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
|
||||
|
||||
@ -104,8 +106,9 @@ def submit_start(request):
|
||||
#
|
||||
# (... 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:
|
||||
media_manager['processor'].apply_async(
|
||||
process_media.apply_async(
|
||||
[unicode(entry._id)], {},
|
||||
task_id=task_id)
|
||||
except BaseException as exc:
|
||||
|
Loading…
x
Reference in New Issue
Block a user