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- Metaclasses
- -----------
- Python 3 and Python 2 syntax for metaclasses are incompatible.
- ``future`` provides a function (from ``jinja2/_compat.py``) called
- :func:`with_metaclass` that can assist with specifying metaclasses
- portably across Py3 and Py2. Use it like this::
-
- from future.utils import with_metaclass
- class BaseForm(object):
- pass
-
- class FormType(type):
- pass
-
- class Form(with_metaclass(FormType, BaseForm)):
- pass
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