try/except use

try_except_use.py

class Query:
    def __init__(self, data):
        try:
            self.message = int(data, 16)
        except ValueError as e:
            print("You can't have empty strings for conversion")


class Poll:
    def __init__(self, idx, query_data):
        self.id = idx
        self.query = self._get_query(query_data)

    def _get_query(self, query_data):
        try:
            q = Query(query_data)
            return q
        except Exception as e:
            print("Can't create query on poll with id:", self.id)


if __name__ == '__main__':
    p = Poll(1, "")

try_except_use_2.py

class Query:
    def __init__(self, data):
        self.message = int(data, 16)


class Poll:
    def __init__(self, idx, query_data):
        self.id = idx
        self.query = self._get_query(query_data)

    def _get_query(self, query_data):
        try:
            q = Query(query_data)
            return q
        except ValueError as e:
            print('invalid literal for int() with base 16')
        except Exception as e:
            print("Can't create query on poll with id:", self.id)


if __name__ == '__main__':
    p = Poll(1, "")

try_except_use_3.py

class Query:
    def __init__(self, data,id):
        try:
            self.message = int(data, 16)
        except ValueError as e:
            print("Can't create query on poll with id:", id)
            print("You can't have empty strings for conversion")


class Poll:
    def __init__(self, idx, query_data):
        self.id = idx
        self.query = self._get_query(query_data)

    def _get_query(self, query_data):
        q = Query(query_data,self.id)
        return q


if __name__ == '__main__':
    p = Poll(1, "")

try_except_use_4.py

class Query:
    def __init__(self, data, id):
        try:
            self.body = data[2:4]
            self.x = self.body[3]
            self.message = int(data, 16)
        except ValueError as e:
            print("Can't create query on poll with id:", id)
            print("You can't have empty strings for conversion")
        except IndexError as e:
            print("Can't create query on poll with id:", id)
            print("Can't create x. Body index out of range")


class Poll:
    def __init__(self, idx, query_data):
        self.id = idx
        self.query = self._get_query(query_data)

    def _get_query(self, query_data):
        q = Query(query_data, self.id)
        return q


if __name__ == '__main__':
    p = Poll(1, "")


if __name__ == '__main__':
    p = Poll(1, "")