Python twisted.web.http.NOT_FOUND Examples

def response_no_results(self, bucket):
        """
        Send "404 Not Found" response body in text/plain
        format describing HTTP API query interface.
        """
        # FIXME: Some words about "now-10d" being the default for "from", see influx.py.
        # FIXME: Maybe refactor "now-10d" to transformation machinery to make it accessible from here.
        error_message = u'# 404 Not Found\n#\n'\
                        u'# No data for query expression "{expression}"\n'\
                        u'# Please recognize absolute datetimes are expected to be in ISO 8601 format. '\
                        u'Default is UTC, optionally specify an appropriate timezone offset.\n'.format(expression=bucket.tdata.expression)
        error_message += u'#\n# Examples:\n#\n'\
                         u'#   ?from=2016-06-25T22:00:00.000Z\n'\
                         u'#   ?from=2016-06-26T00:00:00.000%2B02:00    (%2B is "+" urlencoded)\n'\
                         u'#   ?from=now-4h&to=now-2h\n'\
                         u'#   ?from=now-8d5h3m&to=now-6d'
        bucket.request.setResponseCode(http.NOT_FOUND)
        bucket.request.setHeader('Content-Type', 'text/plain; charset=utf-8')
        return error_message.encode('utf-8') 

def render(self, request):
        """Render me to a web client.

        Load my file, execute it in a special namespace (with 'request' and
        '__file__' global vars) and finish the request.  Output to the web-page
        will NOT be handled with print - standard output goes to the log - but
        with request.write.
        """
        request.setHeader("x-powered-by","Twisted/%s" % copyright.version)
        namespace = {'request': request,
                     '__file__': self.filename,
                     'registry': self.registry}
        try:
            execfile(self.filename, namespace, namespace)
        except IOError, e:
            if e.errno == 2: #file not found
                request.setResponseCode(http.NOT_FOUND)
                request.write(error.NoResource("File not found.").render(request)) 

def test_notFoundChild(self):
        """
        L{twcgi.CGIDirectory.getChild} returns a resource which renders an
        response with the HTTP I{NOT FOUND} status code if the indicated child
        does not exist as an entry in the directory used to initialized the
        L{twcgi.CGIDirectory}.
        """
        path = self.mktemp()
        os.makedirs(path)
        resource = twcgi.CGIDirectory(path)
        request = DummyRequest(['foo'])
        child = resource.getChild("foo", request)
        d = _render(child, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def test_notFoundChild(self):
        """
        L{ResourceScriptDirectory.getChild} returns a resource which renders an
        response with the HTTP I{NOT FOUND} status code if the indicated child
        does not exist as an entry in the directory used to initialized the
        L{ResourceScriptDirectory}.
        """
        path = self.mktemp()
        os.makedirs(path)
        resource = ResourceScriptDirectory(path)
        request = DummyRequest([b'foo'])
        child = resource.getChild("foo", request)
        d = _render(child, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def test_notFoundChild(self):
        """
        L{twcgi.CGIDirectory.getChild} returns a resource which renders an
        response with the HTTP I{NOT FOUND} status code if the indicated child
        does not exist as an entry in the directory used to initialized the
        L{twcgi.CGIDirectory}.
        """
        path = self.mktemp()
        os.makedirs(path)
        resource = twcgi.CGIDirectory(path)
        request = DummyRequest(['foo'])
        child = resource.getChild("foo", request)
        d = _render(child, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def render_GET(self, request):
        id = extractSessionId(request)

        if not id:
           message = "id not provided in GET request"
           logging.error(message)
           request.setResponseCode(http.BAD_REQUEST)
           return jsonResponse({"error":message})

        logging.info("GET request received for id: %s" % id)

        session = self.session_manager.getSession(id)
        if not session:
           message = "No session with id: %s" % id
           logging.error(message)
           request.setResponseCode(http.NOT_FOUND)
           return jsonResponse({"error":message})

        # Return session meta-data
        request.setResponseCode(http.OK)
        return jsonResponse(filterResponse(session, self.field_filter))

    # =========================================================================
    # Handle DELETE request
    # ========================================================================= 

def test_notFoundChild(self):
        """
        L{twcgi.CGIDirectory.getChild} returns a resource which renders an
        response with the HTTP I{NOT FOUND} status code if the indicated child
        does not exist as an entry in the directory used to initialized the
        L{twcgi.CGIDirectory}.
        """
        path = self.mktemp()
        os.makedirs(path)
        resource = twcgi.CGIDirectory(path)
        request = DummyRequest(['foo'])
        child = resource.getChild("foo", request)
        d = _render(child, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def test_notFoundChild(self):
        """
        L{ResourceScriptDirectory.getChild} returns a resource which renders an
        response with the HTTP I{NOT FOUND} status code if the indicated child
        does not exist as an entry in the directory used to initialized the
        L{ResourceScriptDirectory}.
        """
        path = self.mktemp()
        os.makedirs(path)
        resource = ResourceScriptDirectory(path)
        request = DummyRequest([b'foo'])
        child = resource.getChild("foo", request)
        d = _render(child, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def render(self, request):
        """Render me to a web client.

        Load my file, execute it in a special namespace (with 'request' and
        '__file__' global vars) and finish the request.  Output to the web-page
        will NOT be handled with print - standard output goes to the log - but
        with request.write.
        """
        request.setHeader("x-powered-by","Twisted/%s" % copyright.version)
        namespace = {'request': request,
                     '__file__': self.filename,
                     'registry': self.registry}
        try:
            execfile(self.filename, namespace, namespace)
        except IOError, e:
            if e.errno == 2: #file not found
                request.setResponseCode(http.NOT_FOUND)
                request.write(resource.NoResource("File not found.").render(request)) 

def test_notFoundRender(self):
        """
        If the source file a L{PythonScript} is initialized with doesn't exist,
        L{PythonScript.render} sets the HTTP response code to I{NOT FOUND}.
        """
        resource = PythonScript(self.mktemp(), None)
        request = DummyRequest([''])
        d = _render(resource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def deleteResource(self, path):
        url = self._makeURL(path)
        d = self.agent.request('DELETE', url)

        def deleted(response):
            if response.code not in (NO_CONTENT, NOT_FOUND):
                raise Exception(
                    "Unexpected response to DELETE %s: %d" % (
                        url, response.code))
        d.addCallback(deleted)
        return d 

def render_DELETE(self, request):
        id = extractSessionId(request)

        if not id:
           message = "id not provided in DELETE request"
           logging.error(message)
           request.setResponseCode(http.BAD_REQUEST)
           return jsonResponse({"error":message})

        logging.info("DELETE request received for id: %s" % id)

        session = self.session_manager.getSession(id)
        if not session:
           message = "No session with id: %s" % id
           logging.error(message)
           request.setResponseCode(http.NOT_FOUND)
           return jsonResponse({"error":message})

        # Remove session
        self.session_manager.deleteSession(id)
        self.process_manager.stopProcess(id)

        message = "Deleted session with id: %s" % id
        logging.info(message)

        request.setResponseCode(http.OK)
        return session

# =============================================================================
# Start the web server
# ============================================================================= 

def process(self):  # 重载方法，查找并匹配路径
        self.setHeader(b'Content-Type', b'text/html')
        if self.path.decode() in self.pageHandlers:
            handler = self.pageHandlers[self.path.decode()]
            handler(self) # 调用相应的自定义事件处理器
        else:
            self.setResponseCode(http.NOT_FOUND)
            self.write(b'<h1>Not Found</h1>Sorry, no such page.')
            self.finish() 

def process(self):
        # print(self.path) # 可以打印尝试并和浏览器发送的地址做对比, self.path是bytes型哦，注意有些地方解码哦
        if self.path.decode() in self.pages: # 判断请求路径并发送相应的信息
            self.write(self.pages[self.path.decode()].encode())
        else: # 不存在的返回404并输出不存在信息
            self.setResponseCode(http.NOT_FOUND)  # 设置响应状态码
            self.write('<h1>Not Found</h1>Sorry, no such page.'.encode())
        self.finish() # 告知响应已完成 

def __init__(self, code, message=None, response=None):
        """
        Initializes a basic exception.

        @type code: C{str}
        @param code: Refers to an HTTP status code, for example
            L{http.NOT_FOUND}. If no C{message} is given, C{code} is mapped to a
            descriptive string that is used instead.

        @type message: C{str}
        @param message: A short error message, for example "NOT FOUND".

        @type response: C{str}
        @param response: A complete HTML document for an error page.
        """
        if not message:
            try:
                message = http.responses.get(int(code))
            except ValueError:
                # If code wasn't a stringified int, can't map the
                # status code to a descriptive string so keep message
                # unchanged.
                pass

        Exception.__init__(self, code, message, response)
        self.status = code
        self.message = message
        self.response = response 

def __init__(self, code, message=None, response=None, location=None):
        """
        Initializes a page redirect exception.

        @type code: C{str}
        @param code: Refers to an HTTP status code, for example
            L{http.NOT_FOUND}. If no C{message} is given, C{code} is mapped to a
            descriptive string that is used instead.

        @type message: C{str}
        @param message: A short error message, for example "NOT FOUND".

        @type response: C{str}
        @param response: A complete HTML document for an error page.

        @type location: C{str}
        @param location: The location response-header field value. It is an
            absolute URI used to redirect the receiver to a location other than
            the Request-URI so the request can be completed.
        """
        if not message:
            try:
                message = http.responses.get(int(code))
            except ValueError:
                # If code wasn't a stringified int, can't map the
                # status code to a descriptive string so keep message
                # unchanged.
                pass

        if location and message:
            message = "%s to %s" % (message, location)

        Error.__init__(self, code, message, response)
        self.location = location 

def __init__(self, code, message=None, response=None, location=None):
        """
        Initializes an infinite redirection exception.

        @type code: C{str}
        @param code: Refers to an HTTP status code, for example
            L{http.NOT_FOUND}. If no C{message} is given, C{code} is mapped to a
            descriptive string that is used instead.

        @type message: C{str}
        @param message: A short error message, for example "NOT FOUND".

        @type response: C{str}
        @param response: A complete HTML document for an error page.

        @type location: C{str}
        @param location: The location response-header field value. It is an
            absolute URI used to redirect the receiver to a location other than
            the Request-URI so the request can be completed.
        """
        if not message:
            try:
                message = http.responses.get(int(code))
            except ValueError:
                # If code wasn't a stringified int, can't map the
                # status code to a descriptive string so keep message
                # unchanged.
                pass

        if location and message:
            message = "%s to %s" % (message, location)

        Error.__init__(self, code, message, response)
        self.location = location 

def test_render(self):
        """
        L{ResourceScriptDirectory.render} sets the HTTP response code to I{NOT
        FOUND}.
        """
        resource = ResourceScriptDirectory(self.mktemp())
        request = DummyRequest([''])
        d = _render(resource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def test_render(self):
        """
        L{twcgi.CGIDirectory.render} sets the HTTP response code to I{NOT
        FOUND}.
        """
        resource = twcgi.CGIDirectory(self.mktemp())
        request = DummyRequest([''])
        d = _render(resource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def test_noResourceRendering(self):
        """
        L{NoResource} sets the HTTP I{NOT FOUND} code.
        """
        detail = "long message"
        page = self.noResource(detail)
        self._pageRenderingTest(page, NOT_FOUND, "No Such Resource", detail) 

def test_childrenNotFound(self):
        """
        Any child resource of L{static.DirectoryLister} renders an HTTP
        I{NOT FOUND} response code.
        """
        path = FilePath(self.mktemp())
        path.makedirs()
        lister = static.DirectoryLister(path.path)
        request = self._request('')
        child = resource.getChildForRequest(lister, request)
        result = _render(child, request)
        def cbRendered(ignored):
            self.assertEquals(request.responseCode, http.NOT_FOUND)
        result.addCallback(cbRendered)
        return result 

def test_renderWithoutHostNoDefault(self):
        """
        L{NameVirtualHost.render} returns a response with a status of I{NOT
        FOUND} if the instance's C{default} is C{None} and there is no I{Host}
        header in the request.
        """
        virtualHostResource = NameVirtualHost()
        request = DummyRequest([''])
        d = _render(virtualHostResource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def test_renderWithUnknownHostNoDefault(self):
        """
        L{NameVirtualHost.render} returns a response with a status of I{NOT
        FOUND} if the instance's C{default} is C{None} and there is no host
        matching the value of the I{Host} header in the request.
        """
        virtualHostResource = NameVirtualHost()
        request = DummyRequest([''])
        request.headers['host'] = 'example.com'
        d = _render(virtualHostResource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def __init__(self, message="Sorry. No luck finding that resource."):
        ErrorPage.__init__(self, http.NOT_FOUND,
                           "No Such Resource",
                           message) 

def __init__(self, message="Sorry. No luck finding that resource."):
        ErrorPage.__init__(self, http.NOT_FOUND,
                           "No Such Resource",
                           message) 

def testTriggerNotFound(self):
        response, body = yield self.request('GET', 'trigger/{0}'.format(self.trigger.id), state=http.NOT_FOUND) 

def render_GET(self, request):
        json, trigger = yield self.db.getTrigger(self.trigger_id)
        if json is None:
            request.setResponseCode(http.NOT_FOUND)
            request.finish()
        else:
            throttling = yield self.db.getTriggerThrottling(self.trigger_id)
            trigger["throttling"] = throttling
            self.write_json(request, trigger) 

def render(self, request):
        """
        Render me to a web client.

        Load my file, execute it in a special namespace (with 'request' and
        '__file__' global vars) and finish the request.  Output to the web-page
        will NOT be handled with print - standard output goes to the log - but
        with request.write.
        """
        request.setHeader(b"x-powered-by", networkString("Twisted/%s" % copyright.version))
        namespace = {'request': request,
                     '__file__': _coerceToFilesystemEncoding("", self.filename),
                     'registry': self.registry}
        try:
            execfile(self.filename, namespace, namespace)
        except IOError as e:
            if e.errno == 2: #file not found
                request.setResponseCode(http.NOT_FOUND)
                request.write(resource.NoResource("File not found.").render(request))
        except:
            io = NativeStringIO()
            traceback.print_exc(file=io)
            output = util._PRE(io.getvalue())
            if _PY3:
                output = output.encode("utf8")
            request.write(output)
        request.finish()
        return server.NOT_DONE_YET 

def test_renderNotFound(self):
        """
        L{ResourceScriptDirectory.render} sets the HTTP response code to I{NOT
        FOUND}.
        """
        resource = ResourceScriptDirectory(self.mktemp())
        request = DummyRequest([b''])
        d = _render(resource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d 

def test_notFoundRender(self):
        """
        If the source file a L{PythonScript} is initialized with doesn't exist,
        L{PythonScript.render} sets the HTTP response code to I{NOT FOUND}.
        """
        resource = PythonScript(self.mktemp(), None)
        request = DummyRequest([b''])
        d = _render(resource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d