validator.py 文件源码

def check_date(self):
        if isinstance(self.data, (str, unicode)):
            self.data = self.data.strip()
        import datetime
        if self._value['convert_to_date']:
            if isinstance(self.data, datetime.datetime):
                self.data = self.data.date()
                return True
            elif isinstance(self.data, datetime.date):
                return True
            elif isinstance(self.data, (str, unicode)):
                try:
                    self.data = datetime.datetime.strptime(self.data, self._value['format']).date()
                    return True
                except Exception as e:
                    self.error = self._MESSAGES[self.DATE].format(date_format=self._value['format'],
                                                                  data=self.data)
                    return False
        else:
            if isinstance(self.data, datetime.datetime):
                self.data = self.data.date().strftime(self._value['format'])
                return True
            elif isinstance(self.data, datetime.date):
                self.data = self.data.strftime(self._value['format'])
                return True
            elif isinstance(self.data, (str, unicode)):
                try:
                    self.data = datetime.datetime.strptime(
                        self.data,
                        self._value['format']
                    ).date().strftime(self._value['format'])
                    return True
                except Exception as e:
                    self.error = self._MESSAGES[self.DATE].format(date_format=self._value['format'],
                                                                  data=self.data)
                    return False
        self.error = self._MESSAGES[self.DATE].format(date_format=self._value['format'], data=self.data)
        return False