Python http.HTTPStatus.NOT_MODIFIED Examples

def _check_status(self):
        """Check if the http status is what we expected."""
        path_to_statuses = {
            '/favicon.ico': [HTTPStatus.OK, HTTPStatus.PARTIAL_CONTENT],

            '/does-not-exist': [HTTPStatus.NOT_FOUND],
            '/does-not-exist-2': [HTTPStatus.NOT_FOUND],
            '/404': [HTTPStatus.NOT_FOUND],

            '/redirect-later': [HTTPStatus.FOUND],
            '/redirect-self': [HTTPStatus.FOUND],
            '/redirect-to': [HTTPStatus.FOUND],
            '/relative-redirect': [HTTPStatus.FOUND],
            '/absolute-redirect': [HTTPStatus.FOUND],

            '/cookies/set': [HTTPStatus.FOUND],

            '/500-inline': [HTTPStatus.INTERNAL_SERVER_ERROR],
            '/500': [HTTPStatus.INTERNAL_SERVER_ERROR],
        }
        for i in range(15):
            path_to_statuses['/redirect/{}'.format(i)] = [HTTPStatus.FOUND]
        for suffix in ['', '1', '2', '3', '4', '5', '6']:
            key = ('/basic-auth/user{suffix}/password{suffix}'
                   .format(suffix=suffix))
            path_to_statuses[key] = [HTTPStatus.UNAUTHORIZED, HTTPStatus.OK]

        default_statuses = [HTTPStatus.OK, HTTPStatus.NOT_MODIFIED]

        sanitized = QUrl('http://localhost' + self.path).path()  # Remove ?foo
        expected_statuses = path_to_statuses.get(sanitized, default_statuses)
        if self.status not in expected_statuses:
            raise AssertionError(
                "{} loaded with status {} but expected {}".format(
                    sanitized, self.status,
                    ' / '.join(repr(e) for e in expected_statuses))) 

def test_send_error(self):
        allow_transfer_encoding_codes = (HTTPStatus.NOT_MODIFIED,
                                         HTTPStatus.RESET_CONTENT)
        for code in (HTTPStatus.NO_CONTENT, HTTPStatus.NOT_MODIFIED,
                     HTTPStatus.PROCESSING, HTTPStatus.RESET_CONTENT,
                     HTTPStatus.SWITCHING_PROTOCOLS):
            self.con.request('SEND_ERROR', '/{}'.format(code))
            res = self.con.getresponse()
            self.assertEqual(code, res.status)
            self.assertEqual(None, res.getheader('Content-Length'))
            self.assertEqual(None, res.getheader('Content-Type'))
            if code not in allow_transfer_encoding_codes:
                self.assertEqual(None, res.getheader('Transfer-Encoding'))

            data = res.read()
            self.assertEqual(b'', data) 

def test_head_via_send_error(self):
        allow_transfer_encoding_codes = (HTTPStatus.NOT_MODIFIED,
                                         HTTPStatus.RESET_CONTENT)
        for code in (HTTPStatus.OK, HTTPStatus.NO_CONTENT,
                     HTTPStatus.NOT_MODIFIED, HTTPStatus.RESET_CONTENT,
                     HTTPStatus.SWITCHING_PROTOCOLS):
            self.con.request('HEAD', '/{}'.format(code))
            res = self.con.getresponse()
            self.assertEqual(code, res.status)
            if code == HTTPStatus.OK:
                self.assertTrue(int(res.getheader('Content-Length')) > 0)
                self.assertIn('text/html', res.getheader('Content-Type'))
            else:
                self.assertEqual(None, res.getheader('Content-Length'))
                self.assertEqual(None, res.getheader('Content-Type'))
            if code not in allow_transfer_encoding_codes:
                self.assertEqual(None, res.getheader('Transfer-Encoding'))

            data = res.read()
            self.assertEqual(b'', data) 

def validate_response_valid_etag(context):
    response = context.get_location_response
    assert_that(response.status_code, equal_to(HTTPStatus.NOT_MODIFIED)) 

def validate_etag_response(context):
    response = context.get_setting_etag_response
    assert_that(response.status_code, equal_to(HTTPStatus.NOT_MODIFIED)) 

def check_request_success(context):
    assert_that(
        context.response.status_code,
        equal_to(HTTPStatus.NOT_MODIFIED)
    ) 

def validate_etag(context):
    response = context.response_using_etag
    assert_that(response.status_code, equal_to(HTTPStatus.NOT_MODIFIED)) 

def send_error(self, code, message=None, explain=None):
        """Send and log an error reply.

        Arguments are
        * code:    an HTTP error code
                   3 digits
        * message: a simple optional 1 line reason phrase.
                   *( HTAB / SP / VCHAR / %x80-FF )
                   defaults to short entry matching the response code
        * explain: a detailed message defaults to the long entry
                   matching the response code.

        This sends an error response (so it must be called before any
        output has been generated), logs the error, and finally sends
        a piece of HTML explaining the error to the user.

        """

        try:
            shortmsg, longmsg = self.responses[code]
        except KeyError:
            shortmsg, longmsg = '???', '???'
        if message is None:
            message = shortmsg
        if explain is None:
            explain = longmsg
        self.log_error("code %d, message %s", code, message)
        # using _quote_html to prevent Cross Site Scripting attacks (see bug #1100201)
        content = (self.error_message_format %
                   {'code': code, 'message': _quote_html(message), 'explain': _quote_html(explain)})
        body = content.encode('UTF-8', 'replace')
        self.send_response(code, message)
        self.send_header("Content-Type", self.error_content_type)
        self.send_header('Connection', 'close')
        self.send_header('Content-Length', int(len(body)))
        self.end_headers()

        if (self.command != 'HEAD' and
                code >= 200 and
                code not in (
                    HTTPStatus.NO_CONTENT, HTTPStatus.NOT_MODIFIED)):
            self.wfile.write(body) 

def send_error(self, code, message=None, explain=None):
        """Send and log an error reply.

        Arguments are
        * code:    an HTTP error code
                   3 digits
        * message: a simple optional 1 line reason phrase.
                   *( HTAB / SP / VCHAR / %x80-FF )
                   defaults to short entry matching the response code
        * explain: a detailed message defaults to the long entry
                   matching the response code.

        This sends an error response (so it must be called before any
        output has been generated), logs the error, and finally sends
        a piece of HTML explaining the error to the user.

        """

        try:
            shortmsg, longmsg = self.responses[code]
        except KeyError:
            shortmsg, longmsg = '???', '???'
        if message is None:
            message = shortmsg
        if explain is None:
            explain = longmsg
        self.log_error("code %d, message %s", code, message)
        self.send_response(code, message)
        self.send_header('Connection', 'close')

        # Message body is omitted for cases described in:
        #  - RFC7230: 3.3. 1xx, 204(No Content), 304(Not Modified)
        #  - RFC7231: 6.3.6. 205(Reset Content)
        body = None
        if (code >= 200 and
            code not in (HTTPStatus.NO_CONTENT,
                         HTTPStatus.RESET_CONTENT,
                         HTTPStatus.NOT_MODIFIED)):
            # HTML encode to prevent Cross Site Scripting attacks
            # (see bug #1100201)
            content = (self.error_message_format % {
                'code': code,
                'message': html.escape(message, quote=False),
                'explain': html.escape(explain, quote=False)
            })
            body = content.encode('UTF-8', 'replace')
            self.send_header("Content-Type", self.error_content_type)
            self.send_header('Content-Length', str(len(body)))
        self.end_headers()

        if self.command != 'HEAD' and body:
            self.wfile.write(body) 

def send_error(self, code, message=None, explain=None):
        """Send and log an error reply.

        Arguments are
        * code:    an HTTP error code
                   3 digits
        * message: a simple optional 1 line reason phrase.
                   *( HTAB / SP / VCHAR / %x80-FF )
                   defaults to short entry matching the response code
        * explain: a detailed message defaults to the long entry
                   matching the response code.

        This sends an error response (so it must be called before any
        output has been generated), logs the error, and finally sends
        a piece of HTML explaining the error to the user.

        """

        try:
            shortmsg, longmsg = self.responses[code]
        except KeyError:
            shortmsg, longmsg = '???', '???'
        if message is None:
            message = shortmsg
        if explain is None:
            explain = longmsg
        self.log_error("code %d, message %s", code, message)
        self.send_response(code, message)
        self.send_header('Connection', 'close')

        # Message body is omitted for cases described in:
        #  - RFC7230: 3.3. 1xx, 204(No Content), 304(Not Modified)
        #  - RFC7231: 6.3.6. 205(Reset Content)
        body = None
        if (code >= 200 and
            code not in (HTTPStatus.NO_CONTENT,
                         HTTPStatus.RESET_CONTENT,
                         HTTPStatus.NOT_MODIFIED)):
            # HTML encode to prevent Cross Site Scripting attacks
            # (see bug #1100201)
            content = (self.error_message_format % {
                'code': code,
                'message': _quote_html(message),
                'explain': _quote_html(explain)
            })
            body = content.encode('UTF-8', 'replace')
            self.send_header("Content-Type", self.error_content_type)
            self.send_header('Content-Length', int(len(body)))
        self.end_headers()

        if self.command != 'HEAD' and body:
            self.wfile.write(body) 

def send_error(self, code, message=None, explain=None):
        """Send and log an error reply.

        Arguments are
        * code:    an HTTP error code
                   3 digits
        * message: a simple optional 1 line reason phrase.
                   *( HTAB / SP / VCHAR / %x80-FF )
                   defaults to short entry matching the response code
        * explain: a detailed message defaults to the long entry
                   matching the response code.

        This sends an error response (so it must be called before any
        output has been generated), logs the error, and finally sends
        a piece of HTML explaining the error to the user.

        """

        try:
            shortmsg, longmsg = self.responses[code]
        except KeyError:
            shortmsg, longmsg = '???', '???'
        if message is None:
            message = shortmsg
        if explain is None:
            explain = longmsg
        self.log_error("code %d, message %s", code, message)
        self.send_response(code, message)
        self.send_header('Connection', 'close')

        # Message body is omitted for cases described in:
        #  - RFC7230: 3.3. 1xx, 204(No Content), 304(Not Modified)
        #  - RFC7231: 6.3.6. 205(Reset Content)
        body = None
        if (code >= 200 and
            code not in (HTTPStatus.NO_CONTENT,
                         HTTPStatus.RESET_CONTENT,
                         HTTPStatus.NOT_MODIFIED)):
            # HTML encode to prevent Cross Site Scripting attacks
            # (see bug #1100201)
            content = (self.error_message_format % {
                'code': code,
                'message': html.escape(message, quote=False),
                'explain': html.escape(explain, quote=False)
            })
            body = content.encode('UTF-8', 'replace')
            self.send_header("Content-Type", self.error_content_type)
            self.send_header('Content-Length', str(len(body)))
        self.end_headers()

        if self.command != 'HEAD' and body:
            self.wfile.write(body) 

def send_error(self, code, message=None, explain=None):
        """Send and log an error reply.

        Arguments are
        * code:    an HTTP error code
                   3 digits
        * message: a simple optional 1 line reason phrase.
                   *( HTAB / SP / VCHAR / %x80-FF )
                   defaults to short entry matching the response code
        * explain: a detailed message defaults to the long entry
                   matching the response code.

        This sends an error response (so it must be called before any
        output has been generated), logs the error, and finally sends
        a piece of HTML explaining the error to the user.

        """

        try:
            shortmsg, longmsg = self.responses[code]
        except KeyError:
            shortmsg, longmsg = '???', '???'
        if message is None:
            message = shortmsg
        if explain is None:
            explain = longmsg
        self.log_error("code %d, message %s", code, message)
        self.send_response(code, message)
        self.send_header('Connection', 'close')

        # Message body is omitted for cases described in:
        #  - RFC7230: 3.3. 1xx, 204(No Content), 304(Not Modified)
        #  - RFC7231: 6.3.6. 205(Reset Content)
        body = None
        if (code >= 200 and
            code not in (HTTPStatus.NO_CONTENT,
                         HTTPStatus.RESET_CONTENT,
                         HTTPStatus.NOT_MODIFIED)):
            # HTML encode to prevent Cross Site Scripting attacks
            # (see bug #1100201)
            content = (self.error_message_format % {
                'code': code,
                'message': html.escape(message, quote=False),
                'explain': html.escape(explain, quote=False)
            })
            body = content.encode('UTF-8', 'replace')
            self.send_header("Content-Type", self.error_content_type)
            self.send_header('Content-Length', str(len(body)))
        self.end_headers()

        if self.command != 'HEAD' and body:
            self.wfile.write(body)