def from_http(cls, body, headers):
args = json.loads(body)
if not isinstance(args, list):
raise ValueError("List expected")
kwargs = {}
for k, v in headers.items():
k = k.lower()
if k.startswith("x-servicelib-"):
kwargs[k[len("x-servicelib-"):]] = json.loads(v)
return cls(*args, **kwargs)
def get_response(self, key):
"""Return the cached response object associated with the given key
from the results cache, or `None` if no such response was found.
"""
ret = self.get(key)
if ret is None or ret == IN_FLIGHT:
self.log.debug(
"get_response(%s): Got `%s` from cache, retuning `None`", key, ret
)
return None
try:
ret = json.loads(ret)
except Exception as exc:
self.log.error(
"Cannot decode JSON object <%s> for key '%s': %s",
ret,
key,
exc,
exc_info=True,
stack_info=True,
)
# There is no point in keeping this cached value if we cannot
# decode it.
self.delete(key)
return
self.log.debug("get_response(%s): Returning %s", key, ret)
return ret
def from_http(cls, status, body, headers):
cls.log.debug("from_http(status=%s, body=<%s>): Entering", status,
body)
body_decoded = json.loads(body)
if status.startswith("200 "):
value = body_decoded
else:
value = errors.Serializable.from_dict(body_decoded)
metadata = Metadata.from_http_headers({
k[len("x-servicelib-"):]: v
for (k, v) in headers.items() if k.startswith("x-servicelib-")
})
return cls(value, metadata, body)
def process_hit(self, context, request_md5, response):
response = json.loads(response)["result"]
if valid_url(context, response):
return "done", response, "hit"
return "process_miss", None, None