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Code: Alles auswählen

#!/usr/bin/python
#-*- encoding: utf-8 -*-

class CSSParser:

#-------------------------------------------
    def __init__(self, css):

        #Open CSS file
        self.f = open(css, 'r')

        #Read all lines of the file
        self.lines = self.f.read()

#-------------------------------------------
    def getAttributes(self):
        '''
        Fetch all attributes and there related tags and return them as a dict

        :return tagAttributes: dictionary with the tag as key and a list of the
                               tags definitions as value
        '''

        #get all indexes of the char `}`
        indexes = self._getIndexes(self.lines, '}')
        #and the strings between the indexes
        defs = self._getTags(self.lines,indexes)

        tagAttributes = dict()

        for defin in defs:
            #delete all newlines, tabs and leading and following whitespaces
            defin = defin.replace('\n', '').replace('\t', '').strip()
            attributes = list()

            if defin:
                #get a list of the tagdefinitions
                splitedTag = defin.split('{')
                attrs = splitedTag[1].replace('}', '').strip().split(';')

                #add all definitions in a list
                attributes = [attr for attr in attrs if attr]

                #add the values to the dict
                tagAttributes[splitedTag[0].strip()] = attributes

        #return the dict
        return tagAttributes

#-------------------------------------------
    def _getIndexes(self, string, char):
        '''
        Get the indexes of a string by `char`

        :param string: string may containing char
        :param char: character to search for it to get the indexes

        :return indexes: the indexes if found
        '''
        indexes = [0,]

        while True:
            try:
                #try to get the index number
                index = string.index(char, indexes[-1]) + 1

                #if string.index() was succesfull add the index to the list
                indexes.append(index)
            #break if a ValueError is raised
            except ValueError:
                break

        #return the list with the indexes
        return indexes

#-------------------------------------------
    def _getTags(self, string, indexes):
        '''
        Get the tags with there definitions and return them in a list

        :param string: string witch contains the previously gotten indexcharacters
        :param indexes: a list containing the indexes

        :return tags: a list with the tags and there definitions
        '''
        #last index
        lindex = 0
        tags = list()

        for index in indexes:
            #add the tag to the list
            tags.append(string[lindex:index])

            #update the last index
            lindex = index

        #return the Tags
        return tags


##################### Programmtests #######################
def main():
    css = CSSParser('css.css')

    for key, val in css.getAttributes().items():
        print key + ':'
        for val in val:
            print '\t' + val
        print '-'*40

if __name__ == '__main__':
    main()

Code: Alles auswählen

body { color:red;}
div {color:blue;background-color:red;}
a {color:green;
        font-weight:bold;}
span {color:yellow
        float:left}

Code: Alles auswählen

body:
	color:red
----------------------------------------
a:
	color:green
	font-weight:bold
----------------------------------------
div:
	color:blue
	background-color:red
----------------------------------------
span:
	color:yellowfloat:left
----------------------------------------