equal
deleted
inserted
replaced
563 def resource(self, mapping, key): |
563 def resource(self, mapping, key): |
564 """Return internal data (e.g. cache) used for keyword/function |
564 """Return internal data (e.g. cache) used for keyword/function |
565 evaluation""" |
565 evaluation""" |
566 v = None |
566 v = None |
567 if key in self._resources: |
567 if key in self._resources: |
568 v = mapping.get(key) |
|
569 if v is None and key in self._resources: |
|
570 v = self._resources[key](self, mapping, key) |
568 v = self._resources[key](self, mapping, key) |
571 if v is None: |
569 if v is None: |
572 raise templateutil.ResourceUnavailable( |
570 raise templateutil.ResourceUnavailable( |
573 _('template resource not available: %s') % key) |
571 _('template resource not available: %s') % key) |
574 return v |
572 return v |
669 |
667 |
670 - ``filters``: a dict of functions to transform a value into another. |
668 - ``filters``: a dict of functions to transform a value into another. |
671 - ``defaults``: a dict of symbol values/functions; may be overridden |
669 - ``defaults``: a dict of symbol values/functions; may be overridden |
672 by a ``mapping`` dict. |
670 by a ``mapping`` dict. |
673 - ``resources``: a dict of functions returning internal data |
671 - ``resources``: a dict of functions returning internal data |
674 (e.g. cache), inaccessible from user template; may be overridden by |
672 (e.g. cache), inaccessible from user template. |
675 a ``mapping`` dict. |
|
676 - ``cache``: a dict of preloaded template fragments. |
673 - ``cache``: a dict of preloaded template fragments. |
677 - ``aliases``: a list of alias (name, replacement) pairs. |
674 - ``aliases``: a list of alias (name, replacement) pairs. |
678 |
675 |
679 self.cache may be updated later to register additional template |
676 self.cache may be updated later to register additional template |
680 fragments. |
677 fragments. |