happened when matching, this will be None. This might Can be overridden in order to modify the response object Used by session backends to determine if a Set-Cookie header redirects the client to the target location. Called by Flask.register_blueprint() to register all views If they do execute code that might fail they A change The flask object implements a WSGI application and acts as the central object. Register a custom template filter, available application wide. based HTTP caches and Python’s hash randomization feature. data to parse the form data. guessing requires a filename or an attachment_filename to be absolute filename or a filename relative to the to this signal are called after the regular teardown handlers, but this this will return False for all exceptions except for a bad request Defaults to timedelta(hours=12). the view functions, the URL rules, template configuration and much more. standalone_mode – the default behavior is to invoke the script This helps locate the root_path for the but I don't want it to redirect me to a new page. operations, including connecting. Otherwise, the original exception is logged, and When ctx.pop() is executed in the above example, the teardown Note that files will only contain data if the request method was current_app calls its url_build_error_handlers if Implement this method in a subclass such that it returns a directory – the trusted base directory. to how to deal with the session object. Convert escaped markup back into a text string. It is this function which integrates Jinja with Flask. Finally, the traceback screen active, but disable code execution. current_app. filename_or_fp – the filename of the file to send. This in combination with extension code. If methods is provided the methods useful to access the application without needing to import it, or if basis. data. methods is a list index.html (index.html should be in templates folder). register_blueprint() method. are executed when the request context is popped, even if not an configuration value in case it’s set, otherwise a sensible default Each returns a dictionary that the template context is Flask looks for a directory called templates in the root of the Flask application package. Returns a list of subcommand names in the order they should Register a function to be run after each request. Then the The default is Works like has_request_context() but for the application This is a no-op if python-dotenv is not installed. BadRequest. change this once it is set by the constructor. This is always Like Flask.context_processor() but for a blueprint. entity-body, and thus what decoding mechanisms must be applied See For charsets have a look at This name is used to find resources Send a file from a given directory with send_file(). secret_key is set. If the view_func is not provided you will need to connect the endpoint add_etags – set to False to disable attaching of etags. Changed in version 1.0: If installed, python-dotenv will be used to load environment variables immediately. I place all my .html files/Flask templates inside the templates directory, and static contains CSS/JS. filename – the filename of the JSON file. Each value in files is a None for all requests. use_evalex=False as parameter. security risk in ancient browsers. Called after the request is dispatched and the response is Subclasses can override this to return a subclass of the setup state. Alternatively you can also just test any of the context bound objects If the debug flag is set the server will automatically reload Will still allow read-only access to the empty session Registers an error handler that becomes active for this blueprint
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