Helpers Module

This module regroups various helper functions which you can use when defining your custom processors or renderers.

Regular Expresssions Helpers:

The following helpers are convenience shortcuts for manipulating regex matches when handling custom tags.

tie.helpers.get_single_group(match, key=1)

Return one and only one group from the passed match object. If no group was defined in the matched regexp, return the whole match.


  • match:

    A re.match object to extract the group from.

  • key:

    Optionnal key argument to get a specific group. This can be either a list index or a string to get a named group. (See the method’s documentation if you don’t know how to get a specific group from a match object). Defaults to 1, to return the first defined group in the matching regex.

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