尝试实例化以下类时,出现以下错误:
"TypeError: __init__() takes exactly 2 arguments (3 given)"
您知道会出现什么问题吗?这是类的定义:
class db_create_table():
'''
doc here
'''
def __init__(self,TableName, **kwargs ):
self.TableName = TableName
for k,v in kwargs.iteritems():
setattr(self, k, k)
schema = {"id" : { "type":"Integer", "primary":"primary_key=True", "unique":"unique = True"},
"col1" : { "type":"String()", "primary":"primary_key=False", "unique":"unique = True"},
"col2" : { "type":"String()", "primary":"primary_key=False", "unique":"unique = False"},
"col3" : { "type":"String()", "primary":"primary_key=False", "unique":"unique = False"},
"col4" : { "type":"String()", "primary":"primary_key=False", "unique":"unique = False"},
"CreatedOn" : { "type":"DateTime", "primary":"", "unique":"unique = False"},
"UpdatedOn" : { "type":"DateTime", "primary":"primary_key=False", "unique":"unique = False"},
}
db_create_table('Table1', schema)
db_create_table('Table1', id=1, col1=2, col2=3, CreatedOn='2017-09')
。 - rocksteady