def preprocess(self, request):
"""
Preprocess request
"""
# try return openapi
if self.openapi is not None and request.method == "GET":
if request.url.path[len(self.prefix):] == "openapi-docs":
return self.return_response_class(request)(
OPENAPI_TEMPLATE, media_type="text/html")
elif request.url.path[len(self.prefix):] == "get-openapi-docs":
return self.return_response_class(request)(
json.dumps(self.get_openapi_docs(), ensure_ascii=False),
media_type="application/json",
)
# check request method
if request.method != "POST":
return self.return_response_class(request)(status_code=405)
# check serializer
try:
self.request_serializer = get_serializer(request.headers)
except SerializerNotFound as exception:
return self.return_response_class(request)(str(exception),
status_code=415,
media_type="text/plain")
def wrapper(*args: typing.Any, **kwargs: typing.Any) -> typing.Any:
post_content = self._get_content(func, *args, **kwargs)
with self.client.stream(
"POST",
url,
content=post_content,
headers={
"content-type": self.request_serializer.content_type,
"serializer": self.request_serializer.name,
},
) as resp:
resp.raise_for_status()
sse_parser = ServerSentEventsParser()
serializer = get_serializer(resp.headers)
for line in resp.iter_lines():
event = sse_parser.feed(line)
if not event:
continue
if event["event"] == "yield":
yield serializer.decode(
b64decode(event["data"].encode("ascii"))
)
elif event["event"] == "exception":
raise RemoteCallError(
serializer.decode(b64decode(event["data"].encode("ascii")))
)
else:
raise RuntimeError(f"Unknown event type: {event['event']}")
def wrapper(*args: typing.Any, **kwargs: typing.Any) -> typing.Any:
post_content = self._get_content(func, *args, **kwargs)
resp = self.client.post(
url,
content=post_content,
headers={
"content-type": self.request_serializer.content_type,
"serializer": self.request_serializer.name,
},
)
resp.raise_for_status()
return get_serializer(resp.headers).decode(resp.content)
async def wrapper(*args: typing.Any, **kwargs: typing.Any) -> typing.Any:
post_content = self._get_content(func, *args, **kwargs)
resp = await self.client.post(
url,
content=post_content,
headers={
"content-type": self.request_serializer.content_type,
"serializer": self.request_serializer.name,
},
)
resp.raise_for_status()
content = get_serializer(resp.headers).decode(resp.content)
if resp.headers.get("callback-status") == "exception":
raise RemoteCallError(content)
else:
return content
def wrapper(*args: typing.Any, **kwargs: typing.Any) -> typing.Any:
post_content = self._get_content(func, *args, **kwargs)
with self.client.stream(
"POST",
url,
content=post_content,
headers={
"content-type":
self.request_serializer.content_type,
"serializer": self.request_serializer.name,
},
) as resp:
resp.raise_for_status()
for line in resp.iter_lines():
if not line.startswith("data:"):
continue
data = line.split(":", maxsplit=1)[1]
yield get_serializer(resp.headers).decode(
b64decode(data.encode("ascii")))