81     def __init__(self, f, fieldnames=None, restkey=None, restval=None,  argument
83         self._fieldnames = fieldnames   # list of keys for the dict
94     def fieldnames(self):  member in DictReader
103     @fieldnames.setter
104     def fieldnames(self, value):  member in DictReader
110             self.fieldnames
119         d = dict(zip(self.fieldnames, row))
120         lf = len(self.fieldnames)
125             for key in self.fieldnames[lr:]:
131     def __init__(self, f, fieldnames, restval="", extrasaction="raise",  argument
133         self.fieldnames = fieldnames    # list of keys for the dict
142         header = dict(zip(self.fieldnames, self.fieldnames))
147             wrong_fields = rowdict.keys() - self.fieldnames
151         return (rowdict.get(key, self.restval) for key in self.fieldnames)