Serialize ``obj`` to a JSON formatted ``str`` by using the application's configured encoder (:attr:`~flask.Flask.json_encoder`) if there is an

Control whether or not eager joins and subqueries are rendered. When set to False, the returned Query will not render eager j

Returns a ``TextField``, applying the ``db.StringProperty`` length limit of 500 bytes.

A handy helper function that recreates the full URL as IRI for the current request or parts of it. Here an example: >>> from werkzeug.test i

Get form class. If ``self.form`` is set, will return it and will call ``self.scaffold_form`` otherwise.

Fetch the oid for schema.table_name. Several reflection methods require the table oid. The idea for using this method is that it can

Return the 'key' for this :class:`.Table`. This value is used as the dictionary key within the :attr:`.MetaData.tables` collection.

Apply a ``LIMIT`` to the query and return the newly resulting ``Query``.

Generate a new session.

Add one or more newlines before the next write.

Given an object, return the primary Mapper associated with the object instance. Raises :class:`sqlalchemy.orm.exc.UnmappedInstanceError`

Parse a set-like header and return a :class:`~werkzeug.datastructures.HeaderSet` object: >>> hs = parse_set_header('token, "quoted value"')

Works like `parse_expression` but if multiple expressions are delimited by a comma a :class:`~jinja2.nodes.Tuple` node is created. Thi

Set a boolean flag on the given item corresponding to whether or not it is attached to a parent object via the attribute represented b

Got n tokens ahead.

Calls tokeniter + tokenize and wraps it in a token stream.

URL encode a dict/`MultiDict`. If a value is `None` it will not appear in the result string. Per default only values are encoded into the target

Join a base URL and a possibly relative URL to form an absolute interpretation of the latter. :param base: the base URL for the join operatio

Run set events, may eventually be inlined into decorators.

Execute a statement + params on the given cursor. Adds appropriate logging and exception handling. This method is used by DefaultDia

Create a *proxy* for this column. This is a copy of this ``Column`` referenced by a different parent (such as an alias or select stat

Helper function for the builder that creates an XML text block.

Populate from the listeners in another :class:`_Dispatch` object.

Parse value into python format. Occurs before .apply() :param value: Value to parse

Clears all headers.

Return true if the given mapper shares a common inherited parent as this mapper.

Dump the complete stream into a file or file-like object. Per default unicode strings are written, if you want to encode before writin

Fail with an error.

Fail with a :exc:`TemplateAssertionError`.

Find all the nodes of a given type. If the type is a tuple, the check is performed for any of the tuple items.

Return an event collection which can be modified. For _EmptyListener at the instance level of a dispatcher, this generates a new