__init__.py 文件源码

def __init__(self, cls, name):
        self.cls = cls
        self.name = name
        self.filename = '%s.csv' % self.name
        self.keys_by_name = {}
        self.raw_by_key = {}
        self.processed_by_key = {}

        data = pkgutil.get_data(__name__, self.filename)
        buf = io.StringIO(data.decode('ascii'), newline=u'')
        reader = csv.DictReader(buf, lineterminator=u'\n')
        self.fieldnames = reader.fieldnames
        for raw in reader:
            key = self.cls(raw['key'])
            assert key not in self.raw_by_key
            self.raw_by_key[key] = raw
            name = self.name_from_raw(key, raw)
            assert name not in self.keys_by_name
            self.keys_by_name[name] = key

        self.accessor = KnowledgeAccessor(self)