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@abstractmethod<EOL><INDENT>def error_presenter(self):<DEDENT>
raise NotImplementedError('<STR_LIT>')<EOL>
Return presenter that is used for error handling :return: WWebErrorPresenter
f9877:c9:m1
@verify_type(target_route=WWebTargetRouteProto)<EOL><INDENT>def target_route_valid(self, target_route):<DEDENT>
return target_route.presenter_action()[<NUM_LIT:0>] != '<STR_LIT:_>'<EOL>
Check target route for execution. This method is used for omitting special methods (actions) from being executed :param target_route: route to check :return: bool
f9877:c9:m2
@verify_subclass(request_cls=WWebRequest)<EOL><INDENT>def __init__(self, request_cls=WWebRequest):<DEDENT>
self.__request_cls = request_cls<EOL>
Construct class :param request_cls: request class to use
f9878:c1:m0
@verify_type(request_line=str)<EOL><INDENT>def read_request_line(self, request_line):<DEDENT>
request = self.__request_cls.parse_request_line(self, request_line)<EOL>protocol_version = self.protocol_version()<EOL>if protocol_version == '<STR_LIT>':<EOL><INDENT>if request.method() != '<STR_LIT:GET>':<EOL><INDENT>raise Exception('<STR_LIT>')<EOL><DEDENT><DEDENT>elif protocol_version == '<STR_LIT:1.0>' or protocol...
Read HTTP-request line :param request_line: line to parse for HTTP/0.9 is GET <Request-URI> for HTTP/1.0 and 1.1 is <METHOD> <Request-URI> HTTP/<HTTP-Version>, where HTTP-Version is 1.0 or 1.1. for HTTP/2: binary headers are used
f9878:c1:m1
@verify_type(status=(int, None), headers=(WHTTPHeaders, None), response_data=(bytes, None))<EOL><INDENT>@verify_value(status=lambda x: x is None or x > <NUM_LIT:0>)<EOL>def __init__(self, status=None, headers=None, response_data=None):<DEDENT>
WWebResponseProto.__init__(self)<EOL>self.__status = status<EOL>self.__headers = headers<EOL>self.__response_data = response_data<EOL>self.__pushed_responses = []<EOL>
Create new response :param status: response status code :param headers: response headers :param response_data: response data
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def status(self):
return self.__status<EOL>
:meth:`.WWebResponseProto.status` method implementation
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def headers(self):
return self.__headers<EOL>
:meth:`.WWebResponseProto.headers` method implementation
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def response_data(self):
return self.__response_data<EOL>
:meth:`.WWebResponseProto.response_data` method implementation
f9879:c0:m3
@verify_type(response=WWebResponseProto)<EOL><INDENT>def __push__(self, *responses):<DEDENT>
self.__pushed_responses.extend(responses)<EOL>
Save responses to push :param responses: responses to push :return:
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def __pushed_responses__(self):
return tuple(self.__pushed_responses)<EOL>
:meth:`.WWebResponseProto.__pushed_responses__` method implementation
f9879:c0:m5
@verify_type('<STR_LIT>', request=WWebRequestProto)<EOL><INDENT>def __init__(self, request):<DEDENT>
WWebErrorPresenter.__init__(self, request)<EOL>self.__messages = {<EOL><NUM_LIT>: '<STR_LIT>'<EOL>}<EOL>
Create new error presenter :param request: origin request
f9881:c0:m0
@verify_type('<STR_LIT>', code=int)<EOL><INDENT>@verify_value('<STR_LIT>', code=lambda x: x > <NUM_LIT:0>)<EOL>def error_code(self, code):<DEDENT>
return WWebResponse(<EOL>status=code,<EOL>headers=WHTTPHeaders(**{'<STR_LIT:Content-Type>': '<STR_LIT>'}),<EOL>response_data=self.__message__(code).encode()<EOL>)<EOL>
:meth:`.WWebErrorPresenter.error_code` method implementation
f9881:c0:m2
@verify_type(exception=Exception)<EOL><INDENT>def exception_error(self, exception):<DEDENT>
return self.error_code(<NUM_LIT>)<EOL>
:meth:`.WWebErrorPresenter.exception_error` method implementation
f9881:c0:m3
@classmethod<EOL><INDENT>def __presenter_name__(cls):<DEDENT>
return '<STR_LIT>'<EOL>
:meth:`.WWebPresenter.__presenter_name__` method implementation
f9881:c0:m4
@verify_type(pattern=str, presenter=str, action=(str, None), virtual_hosts=(list, tuple, set, None))<EOL><INDENT>@verify_type(protocols=(list, tuple, set, None), ports=(list, tuple, set, None))<EOL>@verify_type(methods=(list, tuple, set, None))<EOL>def __init__(self, pattern, presenter, **kwargs):<DEDENT>
self.original_pattern = pattern<EOL>self.route_args = []<EOL>self.presenter = presenter<EOL>self.presenter_args = {}<EOL>self.action = "<STR_LIT:index>"<EOL>self.virtual_hosts = None<EOL>self.ports = None<EOL>self.protocols = ("<STR_LIT:http>", "<STR_LIT>")<EOL>self.methods = ("<STR_LIT:GET>", "<STR_LIT:POST>")<EOL>arg...
Create new route :param pattern: route declarative pattern, that may contain arguments definition :param presenter: target presenter name :param kwargs: route arguments (default and special arguments)
f9881:c1:m0
@classmethod<EOL><INDENT>@verify_type(uri=str)<EOL>def normalize_uri(cls, uri):<DEDENT>
uri = WWebRoute.multiple_slashes_re.sub("<STR_LIT:/>", uri)<EOL>if len(uri) > <NUM_LIT:1>:<EOL><INDENT>if uri[-<NUM_LIT:1>] == '<STR_LIT:/>':<EOL><INDENT>uri = uri[:-<NUM_LIT:1>]<EOL><DEDENT><DEDENT>return uri<EOL>
Normalize the given URI (removes extra slashes) :param uri: uri to normalize :return: str
f9881:c1:m1
@verify_type(request=WWebRequestProto, service=WWebServiceProto)<EOL><INDENT>def match(self, request, service):<DEDENT>
uri = self.normalize_uri(request.path())<EOL>if request.session().protocol() not in self.protocols:<EOL><INDENT>return<EOL><DEDENT>if request.method() not in self.methods:<EOL><INDENT>return<EOL><DEDENT>if self.virtual_hosts and request.virtual_host() not in self.virtual_hosts:<EOL><INDENT>return<EOL><DEDENT>if self.po...
Check this route for matching the given request. If this route is matched, then target route is returned. :param request: request to match :param service: source service :return: WWebTargetRoute or None
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def url_for(self, **kwargs):
host = self.virtual_hosts[<NUM_LIT:0>] if self.virtual_hosts is not None and len(self.virtual_hosts) == <NUM_LIT:1> else None<EOL>port = self.ports[<NUM_LIT:0>] if self.ports is not None and len(self.ports) == <NUM_LIT:1> else None<EOL>protocol = self.protocols[<NUM_LIT:0>] if self.protocols is not None and len(self.pr...
Generate url for client with specified route arguments. For the source route '/page/{page_index}' this method must be called with 'page_index' parameter (for '3' as 'page_index' parameter result will be '/page/3' for 'foo_bar' - '/page/foo_bar'). If 'host', 'protocol' and 'ports' are set as single ...
f9881:c1:m3
@verify_type(presenter_name=str, presenter_action=str, route=WWebRoute, route_map=WWebRouteMapProto)<EOL><INDENT>def __init__(self, presenter_name, presenter_action, route, route_map, **presenter_args):<DEDENT>
self.__presenter_name = presenter_name<EOL>self.__presenter_action = presenter_action<EOL>self.__presenter_args = presenter_args<EOL>self.__route = route<EOL>self.__route_map = route_map<EOL>
Construct new target route :param presenter_name: name of the target presenter. May vary from the presenter name that is specified in route object :param presenter_action: presenter action (method) to execute :param presenter_args: args to execute with :param route: source route...
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def route(self):
return self.__route<EOL>
Return origin route map :return: WWebRoute
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def route_map(self):
return self.__route_map<EOL>
Return origin route map :return: WWebRouteMap
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def presenter_name(self):
return self.__presenter_name<EOL>
:meth:`.WWebTargetRouteProto.presenter_class` method implementation
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def presenter_action(self):
return self.__presenter_action<EOL>
:meth:`.WWebTargetRouteProto.presenter_action` method implementation
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def presenter_args(self):
return self.__presenter_args<EOL>
:meth:`.WWebTargetRouteProto.presenter_args` method implementation
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def __init__(self):
self.__routes = []<EOL>self.__error_presenter = WSimpleErrorPresenter<EOL>
Create new route map
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@verify_type('<STR_LIT>', request=WWebRequestProto, service=WWebServiceProto)<EOL><INDENT>def route(self, request, service):<DEDENT>
for route in self.__routes:<EOL><INDENT>result = route.match(request, service)<EOL>if result is not None:<EOL><INDENT>if self.target_route_valid(result) is True:<EOL><INDENT>return result<EOL><DEDENT><DEDENT><DEDENT>
:meth:`.WWebRouteMapProto.route` method implementation
f9881:c3:m1
def error_presenter(self):
return self.__error_presenter<EOL>
:meth:`.WWebRouteMapProto.error_presenter` method implementation
f9881:c3:m2
@verify_subclass(presenter=WWebErrorPresenter)<EOL><INDENT>def set_error_presenter(self, presenter):<DEDENT>
self.__error_presenter = presenter<EOL>
Set error presenter for this route map :param presenter: presenter to be used for error handling :return: None
f9881:c3:m3
@verify_type('<STR_LIT>', pattern=str, presenter=str)<EOL><INDENT>def connect(self, pattern, presenter, **kwargs):<DEDENT>
self.__routes.append(WWebRoute(pattern, presenter, **kwargs))<EOL>
Connect the given pattern with the given presenter :param pattern: URI pattern :param presenter: target presenter name :param kwargs: route arguments (see :class:`.WWebRoute`) :return: None
f9881:c3:m4
@verify_type(route=WWebRoute)<EOL><INDENT>def append(self, route):<DEDENT>
self.__routes.append(route)<EOL>
Append route to collection :param route: route to add :return: None
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@verify_type(route_as_txt=str)<EOL><INDENT>@verify_value(route_as_txt=lambda x: len(x) > <NUM_LIT:0>)<EOL>def import_route(self, route_as_txt):<DEDENT>
route_match = WWebRouteMap.import_route_re.match(route_as_txt)<EOL>if route_match is None:<EOL><INDENT>raise ValueError('<STR_LIT>')<EOL><DEDENT>pattern = route_match.group(<NUM_LIT:1>)<EOL>presenter_name = route_match.group(<NUM_LIT:2>)<EOL>route_args = route_match.group(<NUM_LIT:4>) <EOL>if route_args is not None:<E...
Import route written as a string :param route_as_txt: single string (single route) to import :return: None
f9881:c3:m6
def __init__(self):
WWebPresenterCollectionProto.__init__(self)<EOL>self.__presenters = {}<EOL>
Construct new collection
f9881:c4:m0
@verify_subclass(presenter=WWebPresenter)<EOL><INDENT>def add(self, presenter):<DEDENT>
self.__presenters[presenter.__presenter_name__()] = presenter<EOL>
Add presenter to this collection :param presenter: presenter to add :return: None
f9881:c4:m1
@verify_type(section=str, presenter_name=str)<EOL><INDENT>@verify_value(section=lambda x: len(x) > <NUM_LIT:0>, presenter_name=lambda x: len(x) > <NUM_LIT:0>)<EOL>def presenter(self, presenter_name):<DEDENT>
if presenter_name in self.__presenters.keys():<EOL><INDENT>return self.__presenters[presenter_name]<EOL><DEDENT>
:meth:`.WWebPresenterCollectionProto.presenter` method implementation
f9881:c4:m2
@verify_type(presenter_name=str)<EOL><INDENT>@verify_value(presenter_name=lambda x: len(x) > <NUM_LIT:0>)<EOL>def has(self, presenter_name):<DEDENT>
return presenter_name in self.__presenters.keys()<EOL>
:meth:`.WWebPresenterCollectionProto.has` method implementation
f9881:c4:m3
def __len__(self):
return len(self.__presenters)<EOL>
Return total presenters count :return: int
f9881:c4:m4
@verify_type(route_map=(WWebRouteMap, None), collection=(WWebPresenterCollectionProto, None))<EOL><INDENT>@verify_type(debugger=(WWebDebugInfo, None))<EOL>@verify_subclass(factory=(WWebPresenterFactoryProto, None))<EOL>def __init__(self, route_map=None, collection=None, factory=None, debugger=None):<DEDENT>
self.__route_map = route_map if route_map is not None else WWebRouteMap()<EOL>self.__presenter_collection = collection<EOL>self.__factory = factory() if factory is not None else WWebPresenterFactory()<EOL>self.__debugger = debugger<EOL>if self.__presenter_collection is None:<EOL><INDENT>self.__presenter_collection = WS...
Create new service :param route_map: route map to be uses (if None, internal route map will be used) :param collection: collection to be used (if None, internal collection will be used)
f9881:c5:m0
def route_map(self):
return self.__route_map<EOL>
:meth:`.WWebServiceProto.route_map` method implementation
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def presenter_collection(self):
return self.__presenter_collection<EOL>
:meth:`.WWebServiceProto.presenter_collection` method implementation
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def presenter_factory(self):
return self.__factory<EOL>
:meth:`.WWebServiceProto.presenter_factory` method implementation
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@verify_type(session=WWebSessionProto)<EOL><INDENT>def process_request(self, session):<DEDENT>
debugger = self.debugger()<EOL>debugger_session_id = debugger.session_id() if debugger is not None else None<EOL>try:<EOL><INDENT>request = session.read_request()<EOL>if debugger_session_id is not None:<EOL><INDENT>debugger.request(<EOL>debugger_session_id, request, session.protocol_version(), session.protocol()<EOL>)<...
Process single request from the given session :param session: session for reading requests and writing responses :return: None
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@verify_type('<STR_LIT>', request=WWebRequestProto, target_route=WWebTargetRouteProto)<EOL><INDENT>def create_presenter(self, request, target_route):<DEDENT>
presenter_name = target_route.presenter_name()<EOL>if self.presenter_collection().has(presenter_name) is False:<EOL><INDENT>raise RuntimeError('<STR_LIT>' % presenter_name)<EOL><DEDENT>presenter_class = self.presenter_collection().presenter(presenter_name)<EOL>return self.presenter_factory().instantiate(presenter_class...
Create presenter from the given requests and target routes :param request: client request :param target_route: route to use :return: WWebPresenter
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@verify_type('<STR_LIT>', request=WWebRequestProto, target_route=WWebTargetRouteProto)<EOL><INDENT>def execute(self, request, target_route):<DEDENT>
presenter = self.create_presenter(request, target_route)<EOL>presenter_name = target_route.presenter_name()<EOL>action_name = target_route.presenter_action()<EOL>presenter_args = target_route.presenter_args()<EOL>if hasattr(presenter, action_name) is False:<EOL><INDENT>raise RuntimeError('<STR_LIT>' % (action_name, pre...
:meth:`.WWebServiceProto.execute` method implementation
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@verify_type('<STR_LIT>', pattern=str, presenter=(type, str))<EOL><INDENT>@verify_value('<STR_LIT>', presenter=lambda x: issubclass(x, WWebPresenter) or isinstance(x, str))<EOL>def connect(self, pattern, presenter, **kwargs):<DEDENT>
if isinstance(presenter, type) and issubclass(presenter, WWebPresenter) is True:<EOL><INDENT>self.presenter_collection().add(presenter)<EOL>presenter = presenter.__presenter_name__()<EOL><DEDENT>self.__route_map.connect(pattern, presenter, **kwargs)<EOL>
Shortcut for self.route_map().connect() method. It is possible to pass presenter class instead of its name - in that case such class will be saved in presenter collection and it will be available in route matching. :param pattern: same as pattern in :meth:`.WWebRouteMap.connect` method ...
f9881:c5:m7
@verify_subclass(presenter=WWebPresenter)<EOL><INDENT>def add_presenter(self, presenter):<DEDENT>
self.__presenter_collection.add(presenter)<EOL>if issubclass(presenter, WWebEnhancedPresenter) is True:<EOL><INDENT>for route in presenter.__public_routes__():<EOL><INDENT>self.route_map().append(route)<EOL><DEDENT><DEDENT>
Add presenter to a collection. If the given presenter is a :class:`.WWebEnhancedPresenter` instance then public routes are checked (via :meth:`..WWebEnhancedPresenter.__public_routes__` method) and are added in this route map :param presenter: presenter to add :return: None
f9881:c5:m8
@verify_type('<STR_LIT>', request=WWebRequestProto, presenter_name=str)<EOL><INDENT>@verify_type(original_target_route=WWebTargetRoute)<EOL>def proxy(self, request, original_target_route, presenter_name, **kwargs):<DEDENT>
action_kwargs = kwargs.copy()<EOL>action_name = '<STR_LIT:index>'<EOL>if '<STR_LIT:action>' in action_kwargs:<EOL><INDENT>action_name = action_kwargs['<STR_LIT:action>']<EOL>action_kwargs.pop('<STR_LIT:action>')<EOL><DEDENT>original_route = original_target_route.route()<EOL>original_route_map = original_target_route.ro...
Execute the given presenter as a target for the given client request :param request: original client request :param original_target_route: previous target route :param presenter_name: target presenter name :param kwargs: presenter arguments :return: WWebResponseProto
f9881:c5:m9
@verify_type('<STR_LIT>', request=WWebRequestProto)<EOL><INDENT>@verify_type(target_route=WWebTargetRoute, service=WWebService)<EOL>def __init__(self, request, target_route, service):<DEDENT>
WWebPresenter.__init__(self, request)<EOL>self.__target_route = target_route<EOL>self.__service = service<EOL>
Create new enhanced presenter :param request: client request :param target_route: source target route :param service: source service
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def __target_route__(self):
return self.__target_route<EOL>
Return origin target route :return: WWebTargetRoute
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def __service__(self):
return self.__service<EOL>
Return origin service instance :return: WWebService
f9881:c6:m2
@classmethod<EOL><INDENT>def __public_routes__(cls):<DEDENT>
return tuple()<EOL>
Return web routes, that this presenter makes "public" (available to :class:`.WWebService` route map) see :meth:`.WWebService.add_presenter` method :return: tuple/list of WWebRoute
f9881:c6:m3
@verify_type('<STR_LIT>', presenter_name=str)<EOL><INDENT>def __proxy__(self, presenter_name, **kwargs):<DEDENT>
return self.__service__().proxy(self.__request__(), self.__target_route__(), presenter_name, **kwargs)<EOL>
Execute the given presenter as a target for the original client request :param presenter_name: target presenter name :param kwargs: presenter arguments :return: WWebResponseProto
f9881:c6:m4
@staticmethod<EOL><INDENT>def presenter_constructor(presenter_class, request, target_route, service):<DEDENT>
return presenter_class(request)<EOL>
Function that is used for WWebPresenter creating :param presenter_class: class to construct :param request: original client request :param target_route: target route to execute :param service: source (parent) service :return: WWebPresenter
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@staticmethod<EOL><INDENT>def enhanced_presenter_constructor(presenter_class, request, target_route, service):<DEDENT>
return presenter_class(request, target_route, service)<EOL>
Function that is used for WWebEnhancedPresenter creating :param presenter_class: class to construct :param request: original client request :param target_route: target route to execute :param service: source (parent) service :return: WWebEnhancedPresenter
f9881:c7:m1
def __init__(self):
WWebPresenterFactoryProto.__init__(self)<EOL>self.__constructors = {<EOL>WWebPresenter.__init__: WWebPresenterFactory.presenter_constructor,<EOL>WWebEnhancedPresenter.__init__: WWebPresenterFactory.enhanced_presenter_constructor<EOL>}<EOL>
Construct new factory
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@verify_subclass(presenter_class=WWebPresenter)<EOL><INDENT>def instantiable(self, presenter_class):<DEDENT>
return presenter_class.__init__ in self.__constructors.keys()<EOL>
:meth:`.WWebPresenterFactoryProto.instantiable` method implementation. Checks if class doesn't have its own constructor and is derived from WWebPresenter or from WWebEnhancedPresenter :param presenter_class: class to check :return: bool
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@verify_type('<STR_LIT>', request=WWebRequestProto, target_route=WWebTargetRouteProto, service=WWebService)<EOL><INDENT>@verify_subclass('<STR_LIT>', presenter_class=WWebPresenter)<EOL>def instantiate(self, presenter_class, request, target_route, service, *args, **kwargs):<DEDENT>
if self.instantiable(presenter_class) is False:<EOL><INDENT>raise RuntimeError('<STR_LIT>')<EOL><DEDENT>return self.__constructors[presenter_class.__init__](presenter_class, request, target_route, service)<EOL>
:meth:`.WWebPresenterFactoryProto.instantiate` method implementation. Construct new presenter or raise en exception if it isn't possible. :param presenter_class: class to construct :param request: original client request :param target_route: target route to execute :param servi...
f9881:c7:m5
@abstractmethod<EOL><INDENT>@verify_type(io_loop=IOLoop)<EOL>def setup_handler(self, io_loop):<DEDENT>
raise NotImplementedError('<STR_LIT>')<EOL>
Set up this handler with the specified IOLoop :param io_loop: service (or service client) loop to use with :return: None
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def loop_stopped(self):
pass<EOL>
Method is called when previously set up loop was stopped :return: None
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@verify_type(handler=WIOLoopServiceHandler, loop=(IOLoop, None), timeout=(int, None))<EOL><INDENT>def __init__(self, handler, loop=None, timeout=None):<DEDENT>
self.__loop = IOLoop() if loop is None else loop<EOL>self.__handler = handler<EOL>self.__timeout = timeout<EOL>
Create new service (or service client) :param handler: handler that do the work :param loop: loop to use (or None for internal one) :param timeout: timeout after which this loop will be stopped
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def loop(self):
return self.__loop<EOL>
Return service loop object :return: IOLoop
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def handler(self):
return self.__handler<EOL>
Return service handler :return: WIOLoopServiceHandler
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def timeout(self):
return self.__timeout<EOL>
Return service timeout. (None for endless loop) :return: int or None
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def start(self):
timeout = self.timeout()<EOL>if timeout is not None and timeout > <NUM_LIT:0>:<EOL><INDENT>self.__loop.add_timeout(timedelta(<NUM_LIT:0>, timeout), self.stop)<EOL><DEDENT>self.handler().setup_handler(self.loop())<EOL>self.loop().start()<EOL>self.handler().loop_stopped()<EOL>
Set up handler and start loop :return: None
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def stop(self):
self.loop().stop()<EOL>
Stop loop :return: None
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@abstractmethod<EOL><INDENT>def handler_fn(self, fd, event):<DEDENT>
raise NotImplementedError('<STR_LIT>')<EOL>
Process (handle) specified event :param fd: integer file descriptor or a file-like object with a fileno() method :param event: IOLoop event :return: None
f9882:c2:m0
@verify_type(transport=WNetworkNativeTransportProto, config=WConfig, io_handler=WNativeSocketIOHandler)<EOL><INDENT>def __init__(self, transport, config, io_handler):<DEDENT>
WIOLoopServiceHandler.__init__(self)<EOL>self.__transport = transport<EOL>self.__config = config<EOL>self.__io_handler = io_handler<EOL>
Create new socket handler :param transport: transport to use :param config: configuration to be used with transport :param io_handler: handler that do the real work
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def transport(self):
return self.__transport<EOL>
Return currently used transport :return: WNetworkNativeTransportProto
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def config(self):
return self.__config<EOL>
Return handler configuration :return: WConfig
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def io_handler(self):
return self.__io_handler<EOL>
Return IO-handler :return: WNativeSocketIOHandler
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def __init__(self):
WNativeSocketIOHandler.__init__(self)<EOL>self.__transport_socket = None<EOL>
Create new IO-handler
f9882:c4:m0
def transport_socket(self, new_socket=None):
if new_socket is not None:<EOL><INDENT>self.__transport_socket = new_socket<EOL><DEDENT>return self.__transport_socket<EOL>
Save and/or return currently used socket object :param new_socket: new socket to save :return: socket object (any type, None if socket wasn't set)
f9882:c4:m1
@verify_type('<STR_LIT>', transport=WNetworkNativeTransportProto, config=WConfig)<EOL><INDENT>@verify_type('<STR_LIT>', io_handler=WNativeSocketIOHandler)<EOL>@verify_type(server_mode=bool)<EOL>def __init__(self, transport, config, io_handler, server_mode):<DEDENT>
WBasicNativeSocketHandler.__init__(self, transport, config, io_handler)<EOL>self.__server_mode = server_mode<EOL>
Create new loop-handler :param transport: transport to use :param config: configuration to use (in the most cases it is used by transport object only) :param io_handler: io-handler to use :param server_mode: set 'server_mode' flag for correct transport configuration
f9882:c5:m0
def server_mode(self):
return self.__server_mode<EOL>
Return current mode. True if this handler works as a server, otherwise - False :return: bool
f9882:c5:m1
@verify_type(io_loop=IOLoop)<EOL><INDENT>def setup_handler(self, io_loop):<DEDENT>
if self.server_mode() is True:<EOL><INDENT>s = self.transport().server_socket(self.config())<EOL><DEDENT>else:<EOL><INDENT>s = self.transport().client_socket(self.config())<EOL><DEDENT>io_handler = self.io_handler()<EOL>if isinstance(io_handler, WNativeSocketDirectIOHandler) is True:<EOL><INDENT>io_handler.transport_so...
:meth:`.WIOLoopServiceHandler.setup_handler` implementation. If :class:`.WNativeSocketDirectIOHandler` is used as a io-handler, then socket object is saved to this handler before loop starting :param io_loop: io_loop to use :return: None
f9882:c5:m2
def loop_stopped(self):
transport = self.transport()<EOL>if self.server_mode() is True:<EOL><INDENT>transport.close_server_socket(self.config())<EOL><DEDENT>else:<EOL><INDENT>transport.close_client_socket(self.config())<EOL><DEDENT>
Terminate socket connection because of stopping loop :return: None
f9882:c5:m3
def discard_queue_messages(self):
zmq_stream_queue = self.handler().stream()._send_queue<EOL>while not zmq_stream_queue.empty():<EOL><INDENT>try:<EOL><INDENT>zmq_stream_queue.get(False)<EOL><DEDENT>except queue.Empty:<EOL><INDENT>continue<EOL><DEDENT>zmq_stream_queue.task_done()<EOL><DEDENT>
Sometimes it is necessary to drop undelivered messages. These messages may be stored in different caches, for example in a zmq socket queue. With different zmq flags we can tweak zmq sockets and contexts no to keep those messages. But inside ZMQStream class there is a queue that can not be clean...
f9882:c7:m1
def __init__(self):
self.__private_key = None<EOL>self.__public_key = None<EOL>
Create object for RSA cryptography
f9883:c0:m0
def __set_private_key(self, pk):
self.__private_key = pk<EOL>self.__public_key = pk.public_key()<EOL>
Internal method that sets the specified private key :param pk: private key to set :return: None
f9883:c0:m1
def __set_public_key(self, pk):
self.__private_key = None<EOL>self.__public_key = pk<EOL>
Internal method that sets the specified public key :param pk: public key to set :return: None
f9883:c0:m2
def private_key_size(self):
if self.__private_key is None:<EOL><INDENT>raise ValueError('<STR_LIT>')<EOL><DEDENT>return self.__private_key.key_size<EOL>
Return private key size :return: int
f9883:c0:m3
def has_private_key(self):
return self.__private_key is not None<EOL>
Check if this object has a private key :return: bool
f9883:c0:m4
def has_public_key(self):
return self.__public_key is not None<EOL>
Check if this object has a public key :return: bool
f9883:c0:m5
@verify_type(key_size=int, public_exponent=int)<EOL><INDENT>@verify_value(key_size=lambda x: ((x % <NUM_LIT>) == <NUM_LIT:0>) and x >= <NUM_LIT>, public_exponent=lambda x: x > <NUM_LIT:0>)<EOL>def generate_private_key(self, key_size=<NUM_LIT>, public_exponent=<NUM_LIT>):<DEDENT>
self.__set_private_key(<EOL>rsa.generate_private_key(<EOL>public_exponent=public_exponent, key_size=key_size, backend=default_backend()<EOL>)<EOL>)<EOL>
Generate a private (and a corresponding public) key :return: None
f9883:c0:m6
@verify_type(password=(str, bytes, None))<EOL><INDENT>def export_private_key(self, password=None):<DEDENT>
if self.__private_key is None:<EOL><INDENT>raise ValueError('<STR_LIT>')<EOL><DEDENT>if password is not None:<EOL><INDENT>if isinstance(password, str) is True:<EOL><INDENT>password = password.encode()<EOL><DEDENT>return self.__private_key.private_bytes(<EOL>encoding=serialization.Encoding.PEM,<EOL>format=serialization....
Export a private key in PEM-format :param password: If it is not None, then result will be encrypt with given password :return: bytes
f9883:c0:m7
def export_public_key(self):
if self.__public_key is None:<EOL><INDENT>raise ValueError('<STR_LIT>')<EOL><DEDENT>return self.__public_key.public_bytes(<EOL>encoding=serialization.Encoding.PEM,<EOL>format=serialization.PublicFormat.SubjectPublicKeyInfo<EOL>)<EOL>
Export a public key in PEM-format :return: bytes
f9883:c0:m8
@verify_type(pem_text=(str, bytes), password=(str, bytes, None))<EOL><INDENT>def import_private_key(self, pem_text, password=None):<DEDENT>
if isinstance(pem_text, str) is True:<EOL><INDENT>pem_text = pem_text.encode()<EOL><DEDENT>if password is not None and isinstance(password, str) is True:<EOL><INDENT>password = password.encode()<EOL><DEDENT>self.__set_private_key(<EOL>serialization.load_pem_private_key(pem_text, password=password, backend=default_backe...
Import a private key from data in PEM-format :param pem_text: text with private key :param password: If it is not None, then result will be decrypt with the given password :return: None
f9883:c0:m9
@verify_type(pem_text=(str, bytes))<EOL><INDENT>def import_public_key(self, pem_text):<DEDENT>
if isinstance(pem_text, str) is True:<EOL><INDENT>pem_text = pem_text.encode()<EOL><DEDENT>self.__set_public_key(<EOL>serialization.load_pem_public_key(pem_text, backend=default_backend())<EOL>)<EOL>
Import a public key from data in PEM-format :param pem_text: text with public key :return: None
f9883:c0:m10
@verify_type(data=bytes, oaep_hash_fn_name=(str, None), mgf1_hash_fn_name=(str, None))<EOL><INDENT>@verify_value(oaep_hash_fn_name=lambda x: x is None or hasattr(hashes, x))<EOL>@verify_value(mgf1_hash_fn_name=lambda x: x is None or hasattr(hashes, x))<EOL>def encrypt(self, data, oaep_hash_fn_name=None, mgf1_hash_fn_na...
if self.__public_key is None:<EOL><INDENT>raise ValueError('<STR_LIT>')<EOL><DEDENT>if oaep_hash_fn_name is None:<EOL><INDENT>oaep_hash_fn_name = self.__class__.__default_oaep_hash_function_name__<EOL><DEDENT>if mgf1_hash_fn_name is None:<EOL><INDENT>mgf1_hash_fn_name = self.__class__.__default_mgf1_hash_function_name_...
Encrypt a data with PKCS1 OAEP protocol :param data: data to encrypt :param oaep_hash_fn_name: hash function name to use with OAEP :param mgf1_hash_fn_name: hash function name to use with MGF1 padding :return: bytes
f9883:c0:m11
@verify_type(data=bytes, oaep_hash_fn_name=(str, None), mgf1_hash_fn_name=(str, None))<EOL><INDENT>@verify_value(oaep_hash_fn_name=lambda x: x is None or hasattr(hashes, x))<EOL>@verify_value(mgf1_hash_fn_name=lambda x: x is None or hasattr(hashes, x))<EOL>def decrypt(self, data, oaep_hash_fn_name=None, mgf1_hash_fn_na...
if self.__private_key is None:<EOL><INDENT>raise ValueError('<STR_LIT>')<EOL><DEDENT>if oaep_hash_fn_name is None:<EOL><INDENT>oaep_hash_fn_name = self.__class__.__default_oaep_hash_function_name__<EOL><DEDENT>if mgf1_hash_fn_name is None:<EOL><INDENT>mgf1_hash_fn_name = self.__class__.__default_mgf1_hash_function_name...
Decrypt a data that used PKCS1 OAEP protocol :param data: data to decrypt :param oaep_hash_fn_name: hash function name to use with OAEP :param mgf1_hash_fn_name: hash function name to use with MGF1 padding :return: bytes
f9883:c0:m12
@verify_type(byte_sequence=bytes)<EOL><INDENT>def __init__(self, byte_sequence):<DEDENT>
self.__byte_sequence = byte_sequence<EOL>
Create converter :param byte_sequence: sequence to convert
f9884:c0:m0
def __str__(self):
return hexlify(self.__byte_sequence).decode('<STR_LIT:ascii>')<EOL>
Return result of converting the sequence :return: str
f9884:c0:m1
@verify_type(string=(str, bytes))<EOL><INDENT>def __init__(self, string):<DEDENT>
self.__string = string<EOL>
Create converter :param string: hex-string to convert
f9884:c1:m0
def __bytes__(self):
return unhexlify(self.__string)<EOL>
Return result of converting the hex-string :return: bytes
f9884:c1:m1
@abstractmethod<EOL><INDENT>@verify_type(data=bytes, block_size=int)<EOL>@verify_value(block_size=lambda x: x > <NUM_LIT:0>)<EOL>def pad(self, data, block_size):<DEDENT>
raise NotImplementedError("<STR_LIT>")<EOL>
Pad given data to given size :param data: data to pad :param block_size: size to pad :return: bytes
f9885:c0:m0
@abstractmethod<EOL><INDENT>@verify_type(data=bytes, block_size=int)<EOL>@verify_value(block_size=lambda x: x > <NUM_LIT:0>)<EOL>def reverse_pad(self, data, block_size):<DEDENT>
raise NotImplementedError("<STR_LIT>")<EOL>
Remove pads and return original data :param data: data to remove pads from :param block_size: size data aligned to :return: bytes
f9885:c0:m1
@verify_type(padding=(int, None))<EOL><INDENT>@verify_value(padding=lambda x: x is None or (<NUM_LIT:0> <= x <= <NUM_LIT>))<EOL>def __init__(self, padding=None):<DEDENT>
if padding is None:<EOL><INDENT>padding = <NUM_LIT:0><EOL><DEDENT>self.__padding_symbol = bytes([padding])<EOL>
Create new padding class :param padding: integer code of ASCII character
f9885:c1:m0
def padding_symbol(self):
return self.__padding_symbol<EOL>
Return character with witch data is padded :return: bytes
f9885:c1:m1
@verify_type(data=bytes, block_size=int)<EOL><INDENT>@verify_value(block_size=lambda x: x > <NUM_LIT:0>)<EOL>def pad(self, data, block_size):<DEDENT>
padding_symbol = self.padding_symbol()<EOL>blocks_count = (len(data) // block_size)<EOL>if (len(data) % block_size) != <NUM_LIT:0>:<EOL><INDENT>blocks_count += <NUM_LIT:1><EOL><DEDENT>total_length = blocks_count * block_size<EOL>return self._fill(data, total_length, padding_symbol)<EOL>
:meth:`.WBlockPadding.pad` method implementation
f9885:c1:m2
@verify_type(data=bytes, block_size=int)<EOL><INDENT>@verify_value(block_size=lambda x: x > <NUM_LIT:0>)<EOL>def reverse_pad(self, data, block_size):<DEDENT>
return data.rstrip(self.padding_symbol())<EOL>
:meth:`.WBlockPadding.reverse_pad` method implementation
f9885:c1:m3
@verify_type(data=bytes, total_length=int, padding_symbol=bytes)<EOL><INDENT>@verify_value(total_length=lambda x: x > <NUM_LIT:0>, padding_symbol=lambda x: len(x) == <NUM_LIT:1>)<EOL>def _fill(self, data, total_length, padding_symbol):<DEDENT>
return data.ljust(total_length, padding_symbol)<EOL>
Append padding symbol to the end of data till specified length is reached :param data: data to append to :param total_length: target length :param padding_symbol: symbol to pad :return: bytes
f9885:c1:m4