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Create migration to move exif data around in media_data.

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Move media_data['exif']['clean'] to media_data['exif_all']
drop media_data['exif']['useful']
drop media_data['exif']
This commit is contained in:
Elrond 2012-03-22 20:59:28 +01:00
parent f116a1243f
commit c8c75ad044
1 changed files with 25 additions and 0 deletions
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25
mediagoblin/db/mongo/migrations.py
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@ -119,6 +119,7 @@ def media_type_image_to_multimedia_type_image(database):
{'$set': {'media_type': 'mediagoblin.media_types.image'}}, {'$set': {'media_type': 'mediagoblin.media_types.image'}},
multi=True) multi=True)
@RegisterMigration(8) @RegisterMigration(8)
def mediaentry_add_license(database): def mediaentry_add_license(database):
""" """
@ -140,6 +141,7 @@ def remove_calculated_html(database):
drop_table_field(database, 'media_entries', 'description_html') drop_table_field(database, 'media_entries', 'description_html')
drop_table_field(database, 'media_comments', 'content_html') drop_table_field(database, 'media_comments', 'content_html')
@RegisterMigration(10) @RegisterMigration(10)
def convert_video_media_data(database): def convert_video_media_data(database):
""" """
@ -154,6 +156,7 @@ def convert_video_media_data(database):
document['media_data'] = document['media_data']['video'] document['media_data'] = document['media_data']['video']
collection.save(document) collection.save(document)
@RegisterMigration(11) @RegisterMigration(11)
def convert_gps_media_data(database): def convert_gps_media_data(database):
""" """
@ -169,3 +172,25 @@ def convert_gps_media_data(database):
document['media_data']['gps_' + key] = value document['media_data']['gps_' + key] = value
del document['media_data']['gps'] del document['media_data']['gps']
collection.save(document) collection.save(document)
@RegisterMigration(12)
def convert_exif_media_data(database):
"""
Move media_data["exif"]["clean"] to media_data["exif_all"].
Drop media_data["exif"]["useful"]
In preparation for media_data.exif_all
"""
collection = database['media_entries']
target = collection.find(
{'media_data.exif.clean': {'$exists': True}})
for document in target:
media_data = document['media_data']
print "old:", document['_id'], media_data
media_data['exif_all'] = media_data['exif'].pop('clean')
del media_data['exif']['useful']
assert len(media_data['exif']) == 0
del media_data['exif']
print "new:", document['_id'], media_data
collection.save(document)