# Try to download the file. Increase the number of retries, or the
# timeout duration, if the server is particularly slow.
# eg: Akamai usually takes 3-15 seconds to make an uploaded file
# available over HTTP.
for i in xrange(max_tries):
try:
temp_file = urlopen(file_url)
dl_hash = sha1(temp_file.read()).hexdigest()
temp_file.close()
except HTTPError, http_err:
# Don't raise the exception now, wait until all attempts fail
time.sleep(3)
else:
# If the downloaded file matches, success! Otherwise, we can
# be pretty sure that it got corrupted during FTP transfer.
if orig_hash == dl_hash:
return True
else:
msg = _('The file transferred to your FTP server is '\
'corrupted. Please try again.')
raise FTPUploadError(msg, None, None)
# Raise the exception from the last download attempt
msg = _('Could not download the file from your FTP server: %s')\
% http_err.message
raise FTPUploadError(msg, None, None)
FileStorageEngine.register(FTPStorage)
orig_hash = sha1(file.read()).hexdigest()
# Try to download the file. Increase the number of retries, or the
# timeout duration, if the server is particularly slow.
# eg: Akamai usually takes 3-15 seconds to make an uploaded file
# available over HTTP.
for i in xrange(max_tries):
try:
temp_file = urlopen(file_url)
dl_hash = sha1(temp_file.read()).hexdigest()
temp_file.close()
except HTTPError, http_err:
# Don't raise the exception now, wait until all attempts fail
time.sleep(3)
else:
# If the downloaded file matches, success! Otherwise, we can
# be pretty sure that it got corrupted during FTP transfer.
if orig_hash == dl_hash:
return True
else:
msg = _('The file transferred to your FTP server is '\
'corrupted. Please try again.')
raise FTPUploadError(msg, None, None)
# Raise the exception from the last download attempt
msg = _('Could not download the file from your FTP server: %s')\
% http_err.message
raise FTPUploadError(msg, None, None)
FileStorageEngine.register(FTPStorage)
s3_bucket_dir = self._data['s3_bucket_dir']
s3_bucket_url = 'https://%s.s3.amazonaws.com/' % s3_bucket_name
cf_download_domain = self._data['cf_download_domain']
cf_streaming_domain = self._data['cf_streaming_domain']
file_path = self._get_path(media_file.unique_id)
if cf_download_domain:
cf_download_url = 'http://%s' % cf_download_domain
uris.append(StorageURI(media_file, 'http', file_path, cf_download_url))
else:
uris.append(StorageURI(media_file, 'http', file_path, s3_bucket_url))
if cf_streaming_domain:
cf_streaming_url = 'http://%s/cfx/st' % cf_streaming_domain
uris.append(StorageURI(media_file, 'rtmp', file_path, cf_streaming_url))
return uris
def _get_path(self, unique_id):
"""Return the local file path for the given unique ID.
This method is exclusive to this engine.
"""
basepath = self._data['s3_bucket_dir']
if basepath:
return os.path.join(basepath, unique_id)
return unique_id
FileStorageEngine.register(AmazonS3Storage)
# Remotely *download* accessible URL
url = url_for(controller='/media',
action='serve',
id=media_file.id,
slug=media_file.media.slug,
container=media_file.container,
qualified=True,
download=1)
uris.append(StorageURI(media_file, 'download', url, None))
# Internal file URI that will be used by MediaController.serve
path = urlunsplit(
('file', '', self._get_path(media_file.unique_id), '', ''))
uris.append(StorageURI(media_file, 'file', path, None))
return uris
def _get_path(self, unique_id):
"""Return the local file path for the given unique ID.
This method is exclusive to this engine.
"""
basepath = self._data.get('path', None)
if not basepath:
basepath = config['media_dir']
return os.path.join(basepath, unique_id)
FileStorageEngine.register(LocalFileStorage)
uris.append(StorageURI(media_file, 'http', url, None))
# An optional streaming RTMP URI
rtmp_server_uri = self._data.get('rtmp_server_uri', None)
if rtmp_server_uri:
uris.append(StorageURI(media_file, 'rtmp', media_file.unique_id, rtmp_server_uri))
# Remotely *download* accessible URL
url = url_for(controller='/media', action='serve', id=media_file.id,
slug=media_file.media.slug, container=media_file.container,
qualified=True, download=1)
uris.append(StorageURI(media_file, 'download', url, None))
# Internal file URI that will be used by MediaController.serve
path = urlunsplit(('file', '', self._get_path(media_file.unique_id), '', ''))
uris.append(StorageURI(media_file, 'file', path, None))
return uris
def _get_path(self, unique_id):
"""Return the local file path for the given unique ID.
This method is exclusive to this engine.
"""
basepath = self._data.get('path', None)
if not basepath:
basepath = config['media_dir']
return os.path.join(basepath, unique_id)
FileStorageEngine.register(LocalFileStorage)
request.commit_callbacks.append(autocommitted_transcode)
else:
DBSession.commit()
transcode()
def get_uris(self, media_file):
"""Return a list of URIs from which the stored file can be accessed.
:type media_file: :class:`~mediacore.model.media.MediaFile`
:param media_file: The associated media file object.
:rtype: list
:returns: All :class:`StorageURI` tuples for this file.
"""
base_urls = list(self.base_urls)
# Skip s3 http url if cloudfront http url is available
if base_urls[1][0]:
base_urls = base_urls[1:]
uris = []
file_uri = media_file.unique_id
for scheme, base_url in base_urls:
if not scheme:
continue
uri = StorageURI(media_file, scheme, file_uri, base_url)
uris.append(uri)
return uris
FileStorageEngine.register(PandaStorage)
