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Handle Chrome preconnect (Fixes #8)

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This commit is contained in:
Ricardo Mendonça Ferreira
2020-06-15 16:54:43 -03:00
committed by Miguel Grinberg
parent c5e1873523
commit 125af4b4a9
3 changed files with 91 additions and 82 deletions
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84
microdot-asyncio/microdot_asyncio.py
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@@ -17,6 +17,8 @@ class Request(BaseRequest):
async def create(stream, client_addr):
# request line
line = (await stream.readline()).strip().decode()
if not line: # pragma: no cover
return None
method, url, http_version = line.split()
http_version = http_version.split('/', 1)[1]
@@ -103,48 +105,52 @@ class Microdot(BaseMicrodot):
async def dispatch_request(self, reader, writer):
req = await Request.create(reader, writer.get_extra_info('peername'))
f = self.find_route(req)
try:
res = None
if f:
for handler in self.before_request_handlers:
res = await self._invoke_handler(handler, req)
if res:
break
if res is None:
res = await self._invoke_handler(f, req, **req.url_args)
if isinstance(res, tuple):
res = Response(*res)
elif not isinstance(res, Response):
res = Response(res)
for handler in self.after_request_handlers:
res = await self._invoke_handler(handler, req, res) or res
elif 404 in self.error_handlers:
res = await self._invoke_handler(self.error_handlers[404], req)
else:
res = 'Not found', 404
except Exception as exc:
print_exception(exc)
res = None
if exc.__class__ in self.error_handlers:
try:
if req:
f = self.find_route(req)
try:
res = None
if f:
for handler in self.before_request_handlers:
res = await self._invoke_handler(handler, req)
if res:
break
if res is None:
res = await self._invoke_handler(
f, req, **req.url_args)
if isinstance(res, tuple):
res = Response(*res)
elif not isinstance(res, Response):
res = Response(res)
for handler in self.after_request_handlers:
res = await self._invoke_handler(
handler, req, res) or res
elif 404 in self.error_handlers:
res = await self._invoke_handler(
self.error_handlers[exc.__class__], req, exc)
except Exception as exc2: # pragma: no cover
print_exception(exc2)
if res is None:
if 500 in self.error_handlers:
res = await self._invoke_handler(self.error_handlers[500],
req)
self.error_handlers[404], req)
else:
res = 'Internal server error', 500
if isinstance(res, tuple):
res = Response(*res)
elif not isinstance(res, Response):
res = Response(res)
await res.write(writer)
res = 'Not found', 404
except Exception as exc:
print_exception(exc)
res = None
if exc.__class__ in self.error_handlers:
try:
res = await self._invoke_handler(
self.error_handlers[exc.__class__], req, exc)
except Exception as exc2: # pragma: no cover
print_exception(exc2)
if res is None:
if 500 in self.error_handlers:
res = await self._invoke_handler(
self.error_handlers[500], req)
else:
res = 'Internal server error', 500
if isinstance(res, tuple):
res = Response(*res)
elif not isinstance(res, Response):
res = Response(res)
await res.write(writer)
await writer.aclose()
if self.debug: # pragma: no cover
if self.debug and req: # pragma: no cover
print('{method} {path} {status_code}'.format(
method=req.method, path=req.path,
status_code=res.status_code))