diff --git a/synapse/http/server.py b/synapse/http/server.py
index 845db9b78d..fa89260850 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -21,6 +21,7 @@ import logging
import types
import urllib
from http import HTTPStatus
+from inspect import isawaitable
from io import BytesIO
from typing import (
Any,
@@ -30,6 +31,7 @@ from typing import (
Iterable,
Iterator,
List,
+ Optional,
Pattern,
Tuple,
Union,
@@ -79,10 +81,12 @@ def return_json_error(f: failure.Failure, request: SynapseRequest) -> None:
"""Sends a JSON error response to clients."""
if f.check(SynapseError):
- error_code = f.value.code
- error_dict = f.value.error_dict()
+ # mypy doesn't understand that f.check asserts the type.
+ exc = f.value # type: SynapseError # type: ignore
+ error_code = exc.code
+ error_dict = exc.error_dict()
- logger.info("%s SynapseError: %s - %s", request, error_code, f.value.msg)
+ logger.info("%s SynapseError: %s - %s", request, error_code, exc.msg)
else:
error_code = 500
error_dict = {"error": "Internal server error", "errcode": Codes.UNKNOWN}
@@ -91,7 +95,7 @@ def return_json_error(f: failure.Failure, request: SynapseRequest) -> None:
"Failed handle request via %r: %r",
request.request_metrics.name,
request,
- exc_info=(f.type, f.value, f.getTracebackObject()),
+ exc_info=(f.type, f.value, f.getTracebackObject()), # type: ignore
)
# Only respond with an error response if we haven't already started writing,
@@ -128,7 +132,8 @@ def return_html_error(
`{msg}` placeholders), or a jinja2 template
"""
if f.check(CodeMessageException):
- cme = f.value
+ # mypy doesn't understand that f.check asserts the type.
+ cme = f.value # type: CodeMessageException # type: ignore
code = cme.code
msg = cme.msg
@@ -142,7 +147,7 @@ def return_html_error(
logger.error(
"Failed handle request %r",
request,
- exc_info=(f.type, f.value, f.getTracebackObject()),
+ exc_info=(f.type, f.value, f.getTracebackObject()), # type: ignore
)
else:
code = HTTPStatus.INTERNAL_SERVER_ERROR
@@ -151,7 +156,7 @@ def return_html_error(
logger.error(
"Failed handle request %r",
request,
- exc_info=(f.type, f.value, f.getTracebackObject()),
+ exc_info=(f.type, f.value, f.getTracebackObject()), # type: ignore
)
if isinstance(error_template, str):
@@ -278,7 +283,7 @@ class _AsyncResource(resource.Resource, metaclass=abc.ABCMeta):
raw_callback_return = method_handler(request)
# Is it synchronous? We'll allow this for now.
- if isinstance(raw_callback_return, (defer.Deferred, types.CoroutineType)):
+ if isawaitable(raw_callback_return):
callback_return = await raw_callback_return
else:
callback_return = raw_callback_return # type: ignore
@@ -399,8 +404,10 @@ class JsonResource(DirectServeJsonResource):
A tuple of the callback to use, the name of the servlet, and the
key word arguments to pass to the callback
"""
+ # At this point the path must be bytes.
+ request_path_bytes = request.path # type: bytes # type: ignore
+ request_path = request_path_bytes.decode("ascii")
# Treat HEAD requests as GET requests.
- request_path = request.path.decode("ascii")
request_method = request.method
if request_method == b"HEAD":
request_method = b"GET"
@@ -551,7 +558,7 @@ class _ByteProducer:
request: Request,
iterator: Iterator[bytes],
):
- self._request = request
+ self._request = request # type: Optional[Request]
self._iterator = iterator
self._paused = False
@@ -563,7 +570,7 @@ class _ByteProducer:
"""
Send a list of bytes as a chunk of a response.
"""
- if not data:
+ if not data or not self._request:
return
self._request.write(b"".join(data))
|