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1 | # GNU MediaGoblin -- federated, autonomous media hosting |
2 | # Copyright (C) 2011 Free Software Foundation, Inc | |
3 | # | |
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. | |
8 | # | |
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. | |
13 | # | |
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/>. | |
16 | ||
17 | import Image | |
254bc431 | 18 | from mediagoblin.db.util import ObjectId |
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19 | from celery.task import task |
20 | ||
300c34e8 | 21 | from mediagoblin import mg_globals as mgg |
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22 | |
23 | ||
24eaf0fd | 24 | THUMB_SIZE = 180, 180 |
93214d8e | 25 | MEDIUM_SIZE = 640, 640 |
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26 | |
27 | ||
180bdbde | 28 | def create_pub_filepath(entry, filename): |
48a7ba1e | 29 | return mgg.public_store.get_unique_filepath( |
180bdbde E |
30 | ['media_entries', |
31 | unicode(entry['_id']), | |
32 | filename]) | |
33 | ||
34 | ||
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35 | @task |
36 | def process_media_initial(media_id): | |
300c34e8 | 37 | workbench = mgg.workbench_manager.create_workbench() |
ca030ab6 | 38 | |
300c34e8 | 39 | entry = mgg.database.MediaEntry.one( |
254bc431 | 40 | {'_id': ObjectId(media_id)}) |
41f446f4 | 41 | |
fa7f9c61 | 42 | queued_filepath = entry['queued_media_file'] |
52426ae0 E |
43 | queued_filename = workbench.localized_file( |
44 | mgg.queue_store, queued_filepath, | |
ca030ab6 CAW |
45 | 'source') |
46 | ||
93214d8e JW |
47 | thumb = Image.open(queued_filename) |
48 | thumb.thumbnail(THUMB_SIZE, Image.ANTIALIAS) | |
49 | # ensure color mode is compatible with jpg | |
50 | if thumb.mode != "RGB": | |
51 | thumb = thumb.convert("RGB") | |
41f446f4 | 52 | |
93214d8e JW |
53 | thumb_filepath = create_pub_filepath(entry, 'thumbnail.jpg') |
54 | ||
55 | thumb_file = mgg.public_store.get_file(thumb_filepath, 'w') | |
56 | with thumb_file: | |
57 | thumb.save(thumb_file, "JPEG") | |
58 | ||
59 | """ | |
60 | Create medium file, used in `media.html` | |
61 | """ | |
62 | medium = Image.open(queued_filename) | |
63 | medium.thumbnail(MEDIUM_SIZE, Image.ANTIALIAS) | |
64 | ||
65 | if medium.mode != "RGB": | |
66 | medium = medium.convert("RGB") | |
41f446f4 | 67 | |
93214d8e | 68 | medium_filepath = create_pub_filepath(entry, 'medium.jpg') |
41f446f4 | 69 | |
93214d8e JW |
70 | medium_file = mgg.public_store.get_file(medium_filepath, 'w') |
71 | with medium_file: | |
72 | medium.save(medium_file, "JPEG") | |
41f446f4 | 73 | |
fa7f9c61 CAW |
74 | # we have to re-read because unlike PIL, not everything reads |
75 | # things in string representation :) | |
ca030ab6 | 76 | queued_file = file(queued_filename, 'rb') |
fa7f9c61 CAW |
77 | |
78 | with queued_file: | |
180bdbde | 79 | main_filepath = create_pub_filepath(entry, queued_filepath[-1]) |
fa7f9c61 | 80 | |
300c34e8 | 81 | with mgg.public_store.get_file(main_filepath, 'wb') as main_file: |
fa7f9c61 CAW |
82 | main_file.write(queued_file.read()) |
83 | ||
300c34e8 | 84 | mgg.queue_store.delete_file(queued_filepath) |
180bdbde | 85 | entry['queued_media_file'] = [] |
fa7f9c61 CAW |
86 | media_files_dict = entry.setdefault('media_files', {}) |
87 | media_files_dict['thumb'] = thumb_filepath | |
88 | media_files_dict['main'] = main_filepath | |
93214d8e | 89 | media_files_dict['medium'] = medium_filepath |
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90 | entry['state'] = u'processed' |
91 | entry.save() | |
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92 | |
93 | # clean up workbench | |
b67a983a | 94 | workbench.destroy_self() |