Testing variable types in Python

Posted by Jasper on Stack Overflow See other posts from Stack Overflow or by Jasper
Published on 2010-03-20T06:52:16Z Indexed on 2010/03/20 7:01 UTC
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Hello,

I'm creating an initialising function for the class 'Room', and found that the program wouldn't accept the tests I was doing on the input variables.

Why is this?

def __init__(self, code, name, type, size, description, objects, exits):
    self.code = code
    self.name = name
    self.type = type
    self.size = size
    self.description = description
    self.objects = objects
    self.exits = exits
            #Check for input errors:
    if type(self.code) != type(str()):
        print 'Error found in module rooms.py!'
        print 'Error number: 110'
    elif type(self.name) != type(str()):
        print 'Error found in module rooms.py!'
        print 'Error number: 111'
    elif type(self.type) != type(str()):
        print 'Error found in module rooms.py!'
        print 'Error number: 112'
    elif type(self.size) != type(int()):
        print 'Error found in module rooms.py!'
        print 'Error number: 113'
    elif type(self.description) != type(str()):
        print 'Error found in module rooms.py!'
        print 'Error number: 114'
    elif type(self.objects) != type(list()):
        print 'Error found in module rooms.py!'
        print 'Error number: 115'
    elif type(self.exits) != type(tuple()):
        print 'Error found in module rooms.py!'
        print 'Error number: 116'

When I run this I get this error:

Traceback (most recent call last):
  File "/Users/Jasper/Development/Programming/MyProjects/Game Making Challenge/Europa   I/rooms.py", line 148, in <module>
    myRoom = Room(101, 'myRoom', 'Basic Room', 5, '<insert description>', myObjects, myExits)
  File "/Users/Jasper/Development/Programming/MyProjects/Game Making Challenge/Europa I/rooms.py", line 29, in __init__
    if type(self.code) != type(str()):
TypeError: 'str' object is not callable

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