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jinja2.visitor
~~~~~~~~~~~~~~
This module implements a visitor for the nodes.
:copyright: (c) 2017 by the Jinja Team.
:license: BSD.
� )�Nodec @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) � NodeVisitora Walks the abstract syntax tree and call visitor functions for every
node found. The visitor functions may return values which will be
forwarded by the `visit` method.
Per default the visitor functions for the nodes are ``'visit_'`` +
class name of the node. So a `TryFinally` node visit function would
be `visit_TryFinally`. This behavior can be changed by overriding
the `get_visitor` function. If no visitor function exists for a node
(return value `None`) the `generic_visit` visitor is used instead.
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from the previous location otherwise it's replaced with the return
value. The return value may be the original node in which case no
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