Python request.Request类代码示例

    def __call__(self, env, start_response):
        """WSGI "app" method

        Makes instances of API callable by any WSGI server. See also PEP 333.

        Args:
            env: A WSGI environment dictionary
            start_response: A WSGI helper method for setting status and headers
                on a response.

        """

        req = Request(env)
        resp = Response()

        responder, params, na_responder = self._get_responder(
            req.path, req.method)

        try:
            responder(req, resp, **params)

        except HTTPError as ex:
            resp.status = ex.status
            if ex.headers is not None:
                resp.set_headers(ex.headers)

            if req.client_accepts('application/json'):
                resp.body = ex.json()

        #
        # Set status and headers
        #
        use_body = not helpers.should_ignore_body(resp.status, req.method)
        if use_body:
            helpers.set_content_length(resp)
            body = helpers.get_body(resp)
        else:
            # Default: return an empty body
            body = []

        # Set content type if needed
        use_content_type = (body or
                            req.method == 'HEAD' or
                            resp.status == HTTP_416)

        if use_content_type:
            media_type = self._media_type
        else:
            media_type = None

        headers = resp._wsgi_headers(media_type)

        # Return the response per the WSGI spec
        start_response(resp.status, headers)
        return body

    def test_default_request_context(self):
        env = testing.create_environ()
        req = Request(env)

        req.context.hello = 'World'
        assert req.context.hello == 'World'
        assert req.context['hello'] == 'World'

        req.context['note'] = 'Default Request.context_type used to be dict.'
        assert 'note' in req.context
        assert hasattr(req.context, 'note')
        assert req.context.get('note') == req.context['note']

    def before(self):
        self.qs = 'marker=deadbeef&limit=10'

        self.headers = {
            'Host': 'falcon.example.com',
            'Content-Type': 'text/plain',
            'Content-Length': '4829',
            'Authorization': ''
        }

        self.app = '/test'
        self.path = '/hello'
        self.relative_uri = self.path + '?' + self.qs
        self.uri = 'http://falcon.example.com' + self.app + self.relative_uri
        self.uri_noqs = 'http://falcon.example.com' + self.app + self.path

        self.req = Request(testing.create_environ(
            app=self.app,
            path='/hello',
            query_string=self.qs,
            headers=self.headers))

        self.req_noqs = Request(testing.create_environ(
            app=self.app,
            path='/hello',
            headers=self.headers))

class TestReqVars(helpers.TestSuite):

    def prepare(self):
        qs = '?marker=deadbeef&limit=10'
        headers = {
            'Content-Type': 'text/plain',
            'Content-Length': '4829'
        }

        self.req = Request(helpers.create_environ(script='/test',
                                                  path='/hello',
                                                  query_string=qs,
                                                  headers=headers))

    def test_reconstruct_url(self):
        req = self.req

        scheme = req.protocol
        host = req.get_header('host')
        app = req.app
        path = req.path
        query_string = req.query_string

        expected_url = 'http://falconer/test/hello?marker=deadbeef&limit=10'
        actual_url = ''.join([scheme, '://', host, app, path, query_string])
        self.assertEquals(actual_url, expected_url)

    def test_method(self):
        self.assertEquals(self.req.method, 'GET')

        self.req = Request(helpers.create_environ(path='', method='HEAD'))
        self.assertEquals(self.req.method, 'HEAD')

    def test_empty_path(self):
        self.req = Request(helpers.create_environ(path=''))
        self.assertEquals(self.req.path, '/')

    def test_content_type(self):
        self.assertEquals(self.req.get_header('content-type'), 'text/plain')

    def test_content_length(self):
        self.assertEquals(self.req.get_header('content-length'), '4829')

    def prepare(self):
        qs = '?marker=deadbeef&limit=10'
        headers = {
            'Content-Type': 'text/plain',
            'Content-Length': '4829'
        }

        self.req = Request(helpers.create_environ(script='/test',
                                                  path='/hello',
                                                  query_string=qs,
                                                  headers=headers))

    def prepare(self):
        qs = '?marker=deadbeef&limit=10'

        headers = {
            'Content-Type': 'text/plain',
            'Content-Length': '4829',
        }

        self.url = 'http://falconer/test/hello?marker=deadbeef&limit=10'
        self.req = Request(testing.create_environ(script='/test',
                                                  path='/hello',
                                                  query_string=qs,
                                                  headers=headers))

    def test_client_prefers(self):
        headers = {'Accept': 'application/xml'}
        req = Request(testing.create_environ(headers=headers))
        preferred_type = req.client_prefers(['application/xml'])
        self.assertEqual(preferred_type, 'application/xml')

        headers = {'Accept': '*/*'}
        preferred_type = req.client_prefers(('application/xml',
                                             'application/json'))

        # NOTE(kgriffs): If client doesn't care, "prefer" the first one
        self.assertEqual(preferred_type, 'application/xml')

        headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
        req = Request(testing.create_environ(headers=headers))
        preferred_type = req.client_prefers(['application/xhtml+xml'])
        self.assertEqual(preferred_type, 'application/xhtml+xml')

        headers = {'Accept': '3p12845j;;;asfd;'}
        req = Request(testing.create_environ(headers=headers))
        preferred_type = req.client_prefers(['application/xhtml+xml'])
        self.assertEqual(preferred_type, None)

    def setup_method(self, method):
        self.qs = 'marker=deadbeef&limit=10'

        self.headers = {
            'Content-Type': 'text/plain',
            'Content-Length': '4829',
            'Authorization': ''
        }

        self.app = '/test'
        self.path = '/hello'
        self.relative_uri = self.path + '?' + self.qs

        self.req = Request(testing.create_environ(
            app=self.app,
            port=8080,
            path='/hello',
            query_string=self.qs,
            headers=self.headers))

        self.req_noqs = Request(testing.create_environ(
            app=self.app,
            path='/hello',
            headers=self.headers))

class TestReqVars(object):

    def setup_method(self, method):
        self.qs = 'marker=deadbeef&limit=10'

        self.headers = {
            'Content-Type': 'text/plain',
            'Content-Length': '4829',
            'Authorization': ''
        }

        self.app = '/test'
        self.path = '/hello'
        self.relative_uri = self.path + '?' + self.qs

        self.req = Request(testing.create_environ(
            app=self.app,
            port=8080,
            path='/hello',
            query_string=self.qs,
            headers=self.headers))

        self.req_noqs = Request(testing.create_environ(
            app=self.app,
            path='/hello',
            headers=self.headers))

    def test_missing_qs(self):
        env = testing.create_environ()
        if 'QUERY_STRING' in env:
            del env['QUERY_STRING']

        # Should not cause an exception when Request is instantiated
        Request(env)

    def test_empty(self):
        assert self.req.auth is None

    def test_host(self):
        assert self.req.host == testing.DEFAULT_HOST

    def test_subdomain(self):
        req = Request(testing.create_environ(
            host='com',
            path='/hello',
            headers=self.headers))
        assert req.subdomain is None

        req = Request(testing.create_environ(
            host='example.com',
            path='/hello',
            headers=self.headers))
        assert req.subdomain == 'example'

        req = Request(testing.create_environ(
            host='highwire.example.com',
            path='/hello',
            headers=self.headers))
        assert req.subdomain == 'highwire'

        req = Request(testing.create_environ(
            host='lb01.dfw01.example.com',
            port=8080,
            path='/hello',
            headers=self.headers))
        assert req.subdomain == 'lb01'

        # NOTE(kgriffs): Behavior for IP addresses is undefined,
        # so just make sure it doesn't blow up.
        req = Request(testing.create_environ(
            host='127.0.0.1',
            path='/hello',
            headers=self.headers))
        assert type(req.subdomain) == str

        # NOTE(kgriffs): Test fallback to SERVER_NAME by using
        # HTTP 1.0, which will cause .create_environ to not set
        # HTTP_HOST.
        req = Request(testing.create_environ(
            protocol='HTTP/1.0',
            host='example.com',
            path='/hello',
            headers=self.headers))
        assert req.subdomain == 'example'

    def test_reconstruct_url(self):
        req = self.req

        scheme = req.protocol
        host = req.get_header('host')
        app = req.app
        path = req.path
        query_string = req.query_string

        expected_uri = ''.join([scheme, '://', host, app, path,
                                '?', query_string])

        assert expected_uri == req.uri

    @pytest.mark.skipif(not six.PY3, reason='Test only applies to Python 3')
#.........这里部分代码省略.........

 def test_client_accepts_bogus(self):
     headers = {'Accept': '~'}
     req = Request(testing.create_environ(headers=headers))
     self.assertFalse(req.client_accepts('text/plain'))
     self.assertFalse(req.client_accepts('application/json'))

    def test_client_accepts(self):
        headers = {'Accept': 'application/xml'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('application/xml'))

        headers = {'Accept': '*/*'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('application/xml'))
        self.assertTrue(req.client_accepts('application/json'))
        self.assertTrue(req.client_accepts('application/x-msgpack'))

        headers = {'Accept': 'application/x-msgpack'}
        req = Request(testing.create_environ(headers=headers))
        self.assertFalse(req.client_accepts('application/xml'))
        self.assertFalse(req.client_accepts('application/json'))
        self.assertTrue(req.client_accepts('application/x-msgpack'))

        headers = {}  # NOTE(kgriffs): Equivalent to '*/*' per RFC
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('application/xml'))

        headers = {'Accept': 'application/json'}
        req = Request(testing.create_environ(headers=headers))
        self.assertFalse(req.client_accepts('application/xml'))

        headers = {'Accept': 'application/x-msgpack'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('application/x-msgpack'))

        headers = {'Accept': 'application/xm'}
        req = Request(testing.create_environ(headers=headers))
        self.assertFalse(req.client_accepts('application/xml'))

        headers = {'Accept': 'application/*'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('application/json'))
        self.assertTrue(req.client_accepts('application/xml'))
        self.assertTrue(req.client_accepts('application/x-msgpack'))

        headers = {'Accept': 'text/*'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('text/plain'))
        self.assertTrue(req.client_accepts('text/csv'))
        self.assertFalse(req.client_accepts('application/xhtml+xml'))

        headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('text/plain'))
        self.assertTrue(req.client_accepts('text/csv'))
        self.assertFalse(req.client_accepts('application/xhtml+xml'))

        headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('text/plain'))
        self.assertTrue(req.client_accepts('application/xhtml+xml'))

        headers = {'Accept': 'text/*,         application/*'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('text/plain'))
        self.assertTrue(req.client_accepts('application/xml'))
        self.assertTrue(req.client_accepts('application/json'))
        self.assertTrue(req.client_accepts('application/x-msgpack'))

        headers = {'Accept': 'text/*,application/*'}
        req = Request(testing.create_environ(headers=headers))
        self.assertTrue(req.client_accepts('text/plain'))
        self.assertTrue(req.client_accepts('application/xml'))
        self.assertTrue(req.client_accepts('application/json'))
        self.assertTrue(req.client_accepts('application/x-msgpack'))

class TestReqVars(testing.TestBase):

    def before(self):
        self.qs = 'marker=deadbeef&limit=10'

        self.headers = {
            'Content-Type': 'text/plain',
            'Content-Length': '4829',
            'Authorization': ''
        }

        self.app = '/test'
        self.path = '/hello'
        self.relative_uri = self.path + '?' + self.qs

        self.req = Request(testing.create_environ(
            app=self.app,
            port=8080,
            path='/hello',
            query_string=self.qs,
            headers=self.headers))

        self.req_noqs = Request(testing.create_environ(
            app=self.app,
            path='/hello',
            headers=self.headers))

    def test_missing_qs(self):
        env = testing.create_environ()
        if 'QUERY_STRING' in env:
            del env['QUERY_STRING']

        # Should not cause an exception when Request is instantiated
        Request(env)

    def test_empty(self):
        self.assertIs(self.req.auth, None)

    def test_host(self):
        self.assertEqual(self.req.host, testing.DEFAULT_HOST)

    def test_subdomain(self):
        req = Request(testing.create_environ(
            host='com',
            path='/hello',
            headers=self.headers))
        self.assertIs(req.subdomain, None)

        req = Request(testing.create_environ(
            host='example.com',
            path='/hello',
            headers=self.headers))
        self.assertEqual(req.subdomain, 'example')

        req = Request(testing.create_environ(
            host='highwire.example.com',
            path='/hello',
            headers=self.headers))
        self.assertEqual(req.subdomain, 'highwire')

        req = Request(testing.create_environ(
            host='lb01.dfw01.example.com',
            port=8080,
            path='/hello',
            headers=self.headers))
        self.assertEqual(req.subdomain, 'lb01')

        # NOTE(kgriffs): Behavior for IP addresses is undefined,
        # so just make sure it doesn't blow up.
        req = Request(testing.create_environ(
            host='127.0.0.1',
            path='/hello',
            headers=self.headers))
        self.assertEqual(type(req.subdomain), str)

        # NOTE(kgriffs): Test fallback to SERVER_NAME by using
        # HTTP 1.0, which will cause .create_environ to not set
        # HTTP_HOST.
        req = Request(testing.create_environ(
            protocol='HTTP/1.0',
            host='example.com',
            path='/hello',
            headers=self.headers))
        self.assertEqual(req.subdomain, 'example')

    def test_reconstruct_url(self):
        req = self.req

        scheme = req.protocol
        host = req.get_header('host')
        app = req.app
        path = req.path
        query_string = req.query_string

        expected_uri = ''.join([scheme, '://', host, app, path,
                                '?', query_string])

        self.assertEqual(expected_uri, req.uri)

    @testtools.skipUnless(six.PY3, 'Test only applies to Python 3')
#.........这里部分代码省略.........

    def __call__(self, env, start_response):
        """WSGI "app" method

        Makes instances of API callable by any WSGI server. See also PEP 333.

        Args:
            env: A WSGI environment dictionary
            start_response: A WSGI helper method for setting status and headers
                on a response.

        """

        req = Request(env)
        resp = Response()

        responder, params, na_responder = self._get_responder(
            req.path, req.method)

        try:
            responder(req, resp, **params)

        except HTTPError as ex:
            resp.status = ex.status
            if ex.headers is not None:
                resp.set_headers(ex.headers)

            if req.client_accepts('application/json'):
                resp.body = ex.json()

        except TypeError as ex:
            # NOTE(kgriffs): Get the stack trace up here since we can just
            # use this convenience function which graps the last raised
            # exception context.
            stack_trace = traceback.format_exc()

            # See if the method doesn't support the given route's params, to
            # support assigning multiple routes to the same resource.
            try:
                argspec = responder.wrapped_argspec
            except AttributeError:
                argspec = inspect.getargspec(responder)

            # First three args should be (self, req, resp)
            if argspec.args[0] == 'self':
                offset = 3
            else:
                offset = 2

            args_needed = set(argspec.args[offset:])
            args_given = set(params.keys())

            # Reset the response
            resp = Response()

            # Does the responder require more or fewer args than given?
            if args_needed != args_given:
                req.log_error('A responder method could not be found with the '
                              'correct arguments.')
                na_responder(req, resp)
            else:
                # Error caused by something else
                req.log_error('A responder method (on_*) raised TypeError. %s'
                              % stack_trace)
                falcon.responders.internal_server_error(req, resp)

        #
        # Set status and headers
        #
        use_body = not helpers.should_ignore_body(resp.status, req.method)
        if use_body:
            helpers.set_content_length(resp)
            body = helpers.get_body(resp)
        else:
            # Default: return an empty body
            body = []

        # Set content type if needed
        use_content_type = (body or
                            req.method == 'HEAD' or
                            resp.status == HTTP_416)

        if use_content_type:
            media_type = self._media_type
        else:
            media_type = None

        headers = resp._wsgi_headers(media_type)

        # Return the response per the WSGI spec
        start_response(resp.status, headers)
        return body

    def __call__(self, env, start_response):
        """WSGI "app" method

        Makes instances of API callable by any WSGI server. See also PEP 333.

        Args:
            env: A WSGI environment dictionary
            start_response: A WSGI helper method for setting status and
                headers on a response.

        """

        req = Request(env)
        resp = Response()

        responder, params = self._get_responder(
            req.path, req.method)

        try:
            # NOTE(kgriffs): Using an inner try..except in order to
            # address the case when err_handler raises HTTPError.
            #
            # NOTE(kgriffs): Coverage is giving false negatives,
            # so disabled on relevant lines. All paths are tested
            # afaict.
            try:
                responder(req, resp, **params)  # pragma: no cover
            except Exception as ex:
                for err_type, err_handler in self._error_handlers:
                    if isinstance(ex, err_type):
                        err_handler(ex, req, resp, params)
                        break  # pragma: no cover

                else:
                    # PERF(kgriffs): This will propagate HTTPError to
                    # the handler below. It makes handling HTTPError
                    # less efficient, but that is OK since error cases
                    # don't need to be as fast as the happy path, and
                    # indeed, should perhaps be slower to create
                    # backpressure on clients that are issuing bad
                    # requests.
                    raise

        except HTTPError as ex:
            resp.status = ex.status
            if ex.headers is not None:
                resp.set_headers(ex.headers)

            if req.client_accepts('application/json'):
                resp.body = ex.json()

        #
        # Set status and headers
        #
        use_body = not helpers.should_ignore_body(resp.status, req.method)
        if use_body:
            helpers.set_content_length(resp)
            body = helpers.get_body(resp)
        else:
            # Default: return an empty body
            body = []

        # Set content type if needed
        use_content_type = (body or
                            req.method == 'HEAD' or
                            resp.status == HTTP_416)

        if use_content_type:
            media_type = self._media_type
        else:
            media_type = None

        headers = resp._wsgi_headers(media_type)

        # Return the response per the WSGI spec
        start_response(resp.status, headers)
        return body

 def test_empty_path(self):
     self.req = Request(helpers.create_environ(path=''))
     self.assertEquals(self.req.path, '/')