def _open_zip(cls, transform_id, stream_reader):
try:
return zipfile.ZipFile(stream_reader)
except (AttributeError, blobstore.Error), e:
# Having no blob raises AttributeError.
raise x5_exceptions.X5BundleError(
'Error opening blob for bundle key %s: %s', transform_id, e)
def transform(self):
"""Apply the workflow to convert the bundle to a DFP creative."""
if not self.assets:
raise x5_exceptions.X5BundleError('No assets in bundle.')
for snippet in self.snippets.values():
for converter in x5_converters.X5_CONVERTERS:
if not converter.match(snippet):
continue
try:
converter(self).convert(snippet)
except x5_exceptions.X5ConverterError, e:
logger.exception('Conversion error')
raise x5_exceptions.X5BundleError(
'Error converting %s: %s', self.transform_id, e)
else:
snippet.x5type = converter.X5_TYPE
break
class X5Bundle(object):
"""HTML5 zipped creative bundle."""
@classmethod
def _open_zip(cls, transform_id, stream_reader):
try:
return zipfile.ZipFile(stream_reader)
except (AttributeError, blobstore.Error), e:
# Having no blob raises AttributeError.
raise x5_exceptions.X5BundleError(
'Error opening blob for bundle key %s: %s', transform_id, e)
except (zipfile.BadZipfile, zipfile.LargeZipFile), e:
raise x5_exceptions.X5BundleError(
'Error opening zip from bundle key %s: %s' % (transform_id, e))
def zip_factory(cls, transform_id, stream_reader):
"""Returns an X5 bundle instance from a zipped bundle."""
zipped_bundle = cls._open_zip(transform_id, stream_reader)
bundle = cls(transform_id)
for info in zipped_bundle.infolist():
if info.filename.endswith('/'):
continue
if '__MACOSX/' in info.filename:
continue
basename = os.path.basename(info.filename)
if basename.startswith('.') or basename in ('Thumbs.db', ):
continue
if info.filename.endswith('.DS_Store'):
continue
try:
with zipped_bundle.open(info) as fileobj:
bundle.add_member(info.filename, info.file_size, fileobj)
except zipfile.BadZipfile, e:
raise x5_exceptions.X5BundleError(
'Error reading zip entry %s for bundle key %s: %s',
info.filename, transform_id, e)
def get_creative_part(self, transform_id, stream_reader, snippet_name):
"""Get snippet and assets in the format expected by the DFP API."""
if isinstance(snippet_name, unicode):
snippet_name = snippet_name.encode('utf-8', errors='ignore')
try:
snippet = self.snippets[snippet_name]
except KeyError:
raise x5_exceptions.X5BundleError(
'Invalid snippet name or bundle not populated')
zipped_bundle = self._open_zip(transform_id, stream_reader)
# TODO(ludomagno): inject the assets table in the snippet
creative_part = {
'customCreativeAssets': [],
'htmlSnippet': snippet.as_snippet()
}
for asset_name in set(snippet.assets):
# Don't skip assets that are over quota as they are referenced in macros.
asset = self.assets[asset_name]
with zipped_bundle.open(asset_name) as fileobj:
creative_part['customCreativeAssets'].append(
asset.as_creative_asset(transform_id, fileobj))
return creative_part
if '__MACOSX/' in info.filename:
continue
basename = os.path.basename(info.filename)
if basename.startswith('.') or basename in ('Thumbs.db', ):
continue
if info.filename.endswith('.DS_Store'):
continue
try:
with zipped_bundle.open(info) as fileobj:
bundle.add_member(info.filename, info.file_size, fileobj)
except zipfile.BadZipfile, e:
raise x5_exceptions.X5BundleError(
'Error reading zip entry %s for bundle key %s: %s',
info.filename, transform_id, e)
if not bundle.snippets:
raise x5_exceptions.X5BundleError('No snippets found.')
return bundle
def __init__(self, transform_id):
self.transform_id = transform_id
self.snippets = {}
self.assets = {}
self._macro_names = {}
def get_creative_part(self, transform_id, stream_reader, snippet_name):
"""Get snippet and assets in the format expected by the DFP API."""
if isinstance(snippet_name, unicode):
snippet_name = snippet_name.encode('utf-8', errors='ignore')
try:
snippet = self.snippets[snippet_name]
except KeyError: