def resolve(media_type, default, raise_not_found=True):
if media_type == '*/*' or not media_type:
media_type = default
# PERF(kgriffs): Under CPython we do not need this shortcut to
# improve performance since most calls will be resolved by the
# LRU cache on resolve(). On the other hand, it doesn't hurt,
# and it certainly makes a difference under PyPy.
try:
handler = self.data[media_type]
except KeyError:
handler = None
if not handler:
# PERF(kgriffs): We just do this slower check every time, rather
# than trying to first check the dict directly, since the result
# will almost always be cached anyway.
# NOTE(kgriffs): Wrap keys in a tuple to make them hashable.
matched_type = _best_match(media_type, tuple(self.data.keys()))
if not matched_type:
if raise_not_found:
raise errors.HTTPUnsupportedMediaType(
description='{0} is an unsupported media type.'.
format(media_type))
return None, None, None
handler = self.data[matched_type]
return (
handler,
getattr(handler, '_serialize_sync', None),
getattr(handler, '_deserialize_sync', None),
)
def find_by_media_type(self, media_type, default):
# PERF(jmvrbanac): Check via a quick methods first for performance
if media_type == '*/*' or not media_type:
return self.data[default]
try:
return self.data[media_type]
except KeyError:
pass
# PERF(jmvrbanac): Fallback to the slower method
resolved = self._resolve_media_type(media_type, self.data.keys())
if not resolved:
raise errors.HTTPUnsupportedMediaType(
'{0} is an unsupported media type.'.format(media_type))
return self.data[resolved]
def find_by_media_type(self, media_type, default, raise_not_found=True):
# PERF(jmvrbanac): Check via a quick methods first for performance
if media_type == '*/*' or not media_type:
media_type = default
try:
return self.data[media_type]
except KeyError:
pass
# PERF(jmvrbanac): Fallback to the slower method.
# NOTE(kgriffs): Wrap keys in a tuple to make them hashable.
resolved = _best_match(media_type, tuple(self.data.keys()))
if not resolved:
if raise_not_found:
raise errors.HTTPUnsupportedMediaType(
description='{0} is an unsupported media type.'.format(
media_type))
return None
return self.data[resolved]
