capybara/virtualenv/lib/python2.7/site-packages/jinja2/environment.py
def list_templates(self, extensions=None, filter_func=None):
        """Returns a list of templates for this environment.  This requires
        that the loader supports the loader's
        :meth:`~BaseLoader.list_templates` method.

        If there are other files in the template folder besides the
        actual templates, the returned list can be filtered.  There are two
        ways: either `extensions` is set to a list of file extensions for
        templates, or a `filter_func` can be provided which is a callable that
        is passed a template name and should return `True` if it should end up
        in the result list.

        If the loader does not support that, a :exc:`TypeError` is raised.

        .. versionadded:: 2.4
        """
        x = self.loader.list_templates()
        if extensions is not None:
            if filter_func is not None:
                raise TypeError('either extensions or filter_func '
                                'can be passed, but not both')
            filter_func = lambda x: '.' in x and \
                                    x.rsplit('.', 1)[1] in extensions
        if filter_func is not None:
            x = ifilter(filter_func, x)
        return x
def list_templates(self, extensions=None, filter_func=None):
        """Returns a list of templates for this environment.  This requires
        that the loader supports the loader's
        :meth:`~BaseLoader.list_templates` method.

        If there are other files in the template folder besides the
        actual templates, the returned list can be filtered.  There are two
        ways: either `extensions` is set to a list of file extensions for
        templates, or a `filter_func` can be provided which is a callable that
        is passed a template name and should return `True` if it should end up
        in the result list.

        If the loader does not support that, a :exc:`TypeError` is raised.

        .. versionadded:: 2.4
        """
        x = self.loader.list_templates()
        if extensions is not None:
            if filter_func is not None:
                raise TypeError('either extensions or filter_func '
                                'can be passed, but not both')
            filter_func = lambda x: '.' in x and \
                                    x.rsplit('.', 1)[1] in extensions
        if filter_func is not None:
            x = ifilter(filter_func, x)
        return x
Returns a list of templates for this environment.  This requires
        that the loader supports the loader's
        :meth:`~BaseLoader.list_templates` method.

        If there are other files in the template folder besides the
        actual templates, the returned list can be filtered.  There are two
        ways: either `extensions` is set to a list of file extensions for
        templates, or a `filter_func` can be provided which is a callable that
        is passed a template name and should return `True` if it should end up
        in the result list.

        If the loader does not support that, a :exc:`TypeError` is raised.

        .. versionadded:: 2.4