Python aiohttp.client_exceptions.ContentTypeError() Examples

def _send(self, method: Method, endpoint: str, content: Union[bytes, str],
                    query_params: Dict[str, str], headers: Dict[str, str]) -> JSON:
        while True:
            request = self.session.request(str(method), endpoint, data=content,
                                           params=query_params, headers=headers)
            async with request as response:
                if response.status < 200 or response.status >= 300:
                    errcode = message = None
                    try:
                        response_data = await response.json()
                        errcode = response_data["errcode"]
                        message = response_data["error"]
                    except (JSONDecodeError, ContentTypeError, KeyError):
                        pass
                    raise make_request_error(http_status=response.status,
                                             text=await response.text(),
                                             errcode=errcode, message=message)

                if response.status == 429:
                    resp = await response.json()
                    await asyncio.sleep(resp["retry_after_ms"] / 1000, loop=self.loop)
                else:
                    return await response.json() 

def query(domain: str, server: DNSServer) -> Result:
    url = 'http://checkdnskr.appspot.com/api/lookup?{}'.format(
        urlencode({'domain': domain, 'ip': server.ip})
    )
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as res:
            async with res:
                if res.status == 200:
                    try:
                        data = await res.json(loads=json.loads)
                        data['error'] = False
                    except ContentTypeError:
                        data = {
                            'A': '',
                            'error': True,
                        }
                    return Result(
                        server_name=server.name,
                        server_ip=server.ip,
                        a_record=data['A'],
                        error=data['error'],
                    )

                return Result(
                    server_name=server.name,
                    server_ip=server.ip,
                    a_record='',
                    error=False,
                ) 

def messages(self, request):
        access_token = self.get_access_token(request)

        if not access_token:
            return self._missing_token

        client = await self._find_client(access_token)
        if not client:
            return self._unknown_token

        try:
            response = await self.forward_request(request)
        except ClientConnectionError as e:
            return web.Response(status=500, text=str(e))

        if response.status == 200:
            try:
                json_response = await response.json()
                json_response = await self.decrypt_body(
                    client, json_response, sync=False
                )

                return web.json_response(
                    json_response, headers=CORS_HEADERS, status=response.status
                )
            except (JSONDecodeError, ContentTypeError):
                pass

        return web.Response(
            status=response.status,
            content_type=response.content_type,
            headers=CORS_HEADERS,
            body=await response.read(),
        ) 

def filter(self, request):
        access_token = self.get_access_token(request)

        if not access_token:
            return self._missing_token

        try:
            content = await request.json()
        except (JSONDecodeError, ContentTypeError):
            return self._not_json

        sanitized_content = self.sanitize_filter(content)

        return await self.forward_to_web(request, data=json.dumps(sanitized_content)) 

def get_response(self):
        async with aiohttp_request('get', self.url, params=self.params, timeout=self.request_timeout) as response:
            try:
                self._last_response = await response.json()
            except ContentTypeError as e:
                self._last_response = {}
                log.warning("Could not parse exchange rate response from %s: %s", self.name, e.message)
                log.debug(await response.text())
            return self._last_response 

def request(
        self,
        method: Text = "post",
        subpath: Optional[Text] = None,
        content_type: Optional[Text] = "application/json",
        **kwargs: Any,
    ) -> Optional[Any]:
        """Send a HTTP request to the endpoint. Return json response, if available.

        All additional arguments will get passed through
        to aiohttp's `session.request`."""

        # create the appropriate headers
        headers = {}
        if content_type:
            headers["Content-Type"] = content_type

        if "headers" in kwargs:
            headers.update(kwargs["headers"])
            del kwargs["headers"]

        url = concat_url(self.url, subpath)
        async with self.session() as session:
            async with session.request(
                method,
                url,
                headers=headers,
                params=self.combine_parameters(kwargs),
                **kwargs,
            ) as response:
                if response.status >= 400:
                    raise ClientResponseError(
                        response.status, response.reason, await response.content.read()
                    )
                try:
                    return await response.json()
                except ContentTypeError:
                    return None 

def call(
        self,
        method: str,
        data: Dict[str, Any] = None,
        *,
        token: str = None,
        json_mode: bool = False,
    ) -> APIResponse:
        """Call API methods."""

        async with aiohttp.ClientSession() as session:
            headers = {
                'Content-Type': 'application/x-www-form-urlencoded',
            }
            payload: Union[str, aiohttp.FormData]
            if json_mode:
                payload = json.dumps(data)
                headers['Content-Type'] = 'application/json'
                headers['Authorization'] = 'Bearer {}'.format(
                    token or self.config.TOKEN
                )
            else:
                payload = aiohttp.FormData(data or {})
                payload.add_field('token', token or self.config.TOKEN)

            try:
                async with session.post(
                    'https://slack.com/api/{}'.format(method),
                    data=payload,
                    headers=headers,
                ) as response:
                    try:
                        result = await response.json(loads=json.loads)
                    except ContentTypeError:
                        result = await response.text()
                    return APIResponse(
                        body=result,
                        status=response.status,
                        headers=response.headers,
                    )
            except ClientConnectorError:
                raise APICallError(
                    'fail to call {} with {}'.format(method, data)
                ) 

def _find_client(self, access_token):
        client_info = self.client_info.get(access_token, None)

        if not client_info:
            async with aiohttp.ClientSession() as session:
                try:
                    method, path = Api.whoami(access_token)
                    resp = await session.request(
                        method,
                        self.homeserver_url + path,
                        proxy=self.proxy,
                        ssl=self.ssl,
                    )
                except ClientConnectionError:
                    return None

                if resp.status != 200:
                    return None

                try:
                    body = await resp.json()
                except (JSONDecodeError, ContentTypeError):
                    return None

                try:
                    user_id = body["user_id"]
                except KeyError:
                    return None

                if user_id not in self.pan_clients:
                    logger.warn(
                        f"User {user_id} doesn't have a matching pan " f"client."
                    )
                    return None

                logger.info(
                    f"Homeserver confirmed valid access token "
                    f"for user {user_id}, caching info."
                )

                client_info = ClientInfo(user_id, access_token)
                self.client_info[access_token] = client_info

        client = self.pan_clients.get(client_info.user_id, None)

        return client 

def login(self, request):
        try:
            body = await request.json()
        except (JSONDecodeError, ContentTypeError):
            # After a long debugging session the culprit ended up being aiohttp
            # and a similar bug to
            # https://github.com/aio-libs/aiohttp/issues/2277 but in the server
            # part of aiohttp. The bug is fixed in the latest master of
            # aiohttp.
            # Return 500 here for now since quaternion doesn't work otherwise.
            # After aiohttp 4.0 gets replace this with a 400 M_NOT_JSON
            # response.
            return web.json_response(
                {
                    "errcode": "M_NOT_JSON",
                    "error": "Request did not contain valid JSON.",
                },
                status=500,
            )

        user = self._get_login_user(body)
        password = body.get("password", "")

        logger.info(f"New user logging in: {user}")

        try:
            response = await self.forward_request(request)
        except ClientConnectionError as e:
            return web.Response(status=500, text=str(e))

        try:
            json_response = await response.json()
        except (JSONDecodeError, ContentTypeError):
            json_response = None

        if response.status == 200 and json_response:
            user_id = json_response.get("user_id", None)
            access_token = json_response.get("access_token", None)

            if user_id and access_token:
                logger.info(
                    f"User: {user} succesfully logged in, starting "
                    f"a background sync client."
                )
                await self.start_pan_client(access_token, user, user_id, password)

        return web.Response(
            status=response.status,
            content_type=response.content_type,
            headers=CORS_HEADERS,
            body=await response.read(),
        ) 

def sync(self, request):
        access_token = self.get_access_token(request)

        if not access_token:
            return self._missing_token

        client = await self._find_client(access_token)
        if not client:
            return self._unknown_token

        sync_filter = request.query.get("filter", None)
        query = CIMultiDict(request.query)

        if sync_filter:
            try:
                sync_filter = json.loads(sync_filter)
            except (JSONDecodeError, TypeError):
                pass

            if isinstance(sync_filter, dict):
                sync_filter = json.dumps(self.sanitize_filter(sync_filter))

            query["filter"] = sync_filter

        try:
            response = await self.forward_request(
                request, params=query, token=client.access_token
            )
        except ClientConnectionError as e:
            return web.Response(status=500, text=str(e))

        if response.status == 200:
            try:
                json_response = await response.json()
                json_response = await self.decrypt_body(client, json_response)

                return web.json_response(
                    json_response, headers=CORS_HEADERS, status=response.status
                )
            except (JSONDecodeError, ContentTypeError):
                pass

        return web.Response(
            status=response.status,
            content_type=response.content_type,
            headers=CORS_HEADERS,
            body=await response.read(),
        )