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Add try/finally block to close t_byte_source

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This commit is contained in:
Erik Johnston 2017-10-13 15:34:08 +01:00
parent 6b725cf56a
commit 1b6b0b1e66
1 changed files with 41 additions and 24 deletions
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43
synapse/rest/media/v1/media_repository.py
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@ -367,12 +367,16 @@ class MediaRepository(object):
))
if t_byte_source:
try:
output_path = yield self.write_to_file_and_backup(
t_byte_source,
self.filepaths.local_media_thumbnail_rel(
media_id, t_width, t_height, t_type, t_method
)
)
finally:
t_byte_source.close()
logger.info("Stored thumbnail in file %r", output_path)
t_len = os.path.getsize(output_path)
@ -395,12 +399,16 @@ class MediaRepository(object):
))
if t_byte_source:
try:
output_path = yield self.write_to_file_and_backup(
t_byte_source,
self.filepaths.remote_media_thumbnail_rel(
server_name, file_id, t_width, t_height, t_type, t_method
)
)
finally:
t_byte_source.close()
logger.info("Stored thumbnail in file %r", output_path)
t_len = os.path.getsize(output_path)
@ -464,18 +472,6 @@ class MediaRepository(object):
# Now we generate the thumbnails for each dimension, store it
for (t_width, t_height, t_type), t_method in thumbnails.iteritems():
# Generate the thumbnail
if t_type == "crop":
t_byte_source = yield make_deferred_yieldable(threads.deferToThread(
thumbnailer.crop,
r_width, r_height, t_type,
))
else:
t_byte_source = yield make_deferred_yieldable(threads.deferToThread(
thumbnailer.scale,
r_width, r_height, t_type,
))
# Work out the correct file name for thumbnail
if server_name:
file_path = self.filepaths.remote_media_thumbnail_rel(
@ -490,8 +486,29 @@ class MediaRepository(object):
media_id, t_width, t_height, t_type, t_method
)
# Generate the thumbnail
if t_type == "crop":
t_byte_source = yield make_deferred_yieldable(threads.deferToThread(
thumbnailer.crop,
r_width, r_height, t_type,
))
else:
t_byte_source = yield make_deferred_yieldable(threads.deferToThread(
thumbnailer.scale,
r_width, r_height, t_type,
))
if not t_byte_source:
continue
try:
# Write to disk
output_path = yield self.write_to_file_and_backup(t_byte_source, file_path)
output_path = yield self.write_to_file_and_backup(
t_byte_source, file_path,
)
finally:
t_byte_source.close()
t_len = os.path.getsize(output_path)
# Write to database