68 lines
1.6 KiB
Python
68 lines
1.6 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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""" Tag helpers.
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As we ought to be able to make separate tag modules, this tag is
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"""
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from inspect import ismodule as _ismod, isclass as _isclass
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from .base import TextoutTag as _TextoutTag, TextoutBlockTag, TextoutInlineTag
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from .paragraph import TextoutParagraphTag
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__all__ = ["TextoutParagraphTag", "TextoutBlockTag", "TextoutInlineTag",
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"get_tag"]
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# ---
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# Gathering of the tags.
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# ---
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def _extract_tags(module):
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""" Load all tags from a module. """
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tags = []
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# Obtain the list of properties from the module.
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try:
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ds = module.__all__
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except:
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ds = dir(module)
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# Get the submodules from the module (usually different files in the
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# tags module folder).
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for submodule in (obj for name, obj in ((nm, getattr(module, nm)) \
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for nm in ds) if (name == '__init__' or name[0] != '_') \
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and _ismod(obj)):
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obtained = _extract_tags(submodule)
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tags += [tag for tag in obtained if not any(tag is x for x in tags)]
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del obtained
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# Extract the tags from the current module.
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for tag in (obj for name, obj in ((nm, getattr(module, nm)) for nm in ds) \
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if name[0] != '_' and _isclass(obj) and issubclass(obj, _TextoutTag)):
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tags.append(tag)
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return tags
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_tags = _extract_tags(__import__("builtin", \
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{'__name__': __name__ + '.__init__'}, level=1))
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_aliases = {alias: tag for alias, tag in \
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[(alias, tag) for tag in _tags for alias in tag.aliases]}
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# ---
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# Function to get a tag.
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# ---
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def get_tag(name, value, output_type = 'html'):
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""" Find a tag using its name. """
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try:
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als = _aliases[name]
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als = als(name, value, output_type)
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return als
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except:
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return None
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# End of file.
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