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tag: v0.2
45 lines (33 sloc) 1.058 kb
# coding: utf8
"""
tinycss
-------
A CSS parser, and nothing else.
:copyright: (c) 2012 by Simon Sapin.
:license: BSD, see LICENSE for more details.
"""
import sys
from .version import VERSION
__version__ = VERSION
from .css21 import CSS21Parser
from .page3 import CSSPage3Parser
PARSER_MODULES = {
'page3': CSSPage3Parser,
}
def make_parser(*features, **kwargs):
"""Make a parser object with the chosen features.
:param features:
Positional arguments are base classes the new parser class will extend.
The string ``'page3'`` is accepted as short for
:class:`~page3.CSSPage3Parser`.
:param kwargs:
Keyword arguments are passed to the parser’s constructor.
:returns:
An instance of a new subclass of :class:`CSS21Parser`
"""
if features:
bases = tuple(PARSER_MODULES.get(f, f) for f in features)
parser_class = type('CustomCSSParser', bases + (CSS21Parser,), {})
else:
parser_class = CSS21Parser
return parser_class(**kwargs)
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