DataTreeGrab.py 文件源码

def __init__(self, dtree, data = None, parent = None):
        self.tag = u''
        self.text = u''
        self.tail = u''
        self.attributes = {}
        self.attr_names = []
        DATAnode.__init__(self, dtree, parent)
        with self.node_lock:
            if isinstance(data, (str, unicode)):
                self.tag = data.lower().strip()

            elif isinstance(data, list):
                if len(data) > 0:
                    self.tag = data[0].lower().strip()

                if len(data) > 1 and isinstance(data[1], (list, tuple)):
                    for a in data[1]:
                        if isinstance(a[1], (str, unicode)):
                            self.attributes[a[0].lower().strip()] = a[1].strip()

                        else:
                            self.attributes[a[0].lower().strip()] = a[1]

                    if 'class' in self.attributes.keys():
                        self.attr_names.append('class')

                    if 'id' in self.attributes.keys():
                        self.attr_names.append('id')

                    for a in self.attributes.keys():
                        if a not in self.attr_names:
                            self.attr_names.append(a)