html2text.py 文件源码

def dumb_css_parser(data):
    """returns a hash of css selectors, each of which contains a hash of css attributes"""
    # remove @import sentences
    data += ';'
    importIndex = data.find('@import')
    while importIndex != -1:
        data = data[0:importIndex] + data[data.find(';', importIndex) + 1:]
        importIndex = data.find('@import')

    # parse the css. reverted from dictionary compehension in order to support older pythons
    elements =  [x.split('{') for x in data.split('}') if '{' in x.strip()]
    try:
        elements = dict([(a.strip(), dumb_property_dict(b)) for a, b in elements])
    except ValueError:
        elements = {} # not that important

    return elements