Am 06-03-2014 12:12, schrieb Sheldon:
AFAK， seems two types has no string representation, one is unicode
and another is object derived from nothing.
The statement if not isinstance(value, unicode), which is
in the sample code above, makes sure that we will not try to convert
a unicode object to string (only those who have a different type).
And an object derived from nothing also has a string representation.
Take a look at this example:
>>> class X():
... def x(self):
... pass
...
>>> a = X()
>>> print str(a)
<__main__.X instance at 0x7f8fe13d4b00>
>>> print "this is a string: %s." % a
this is a string: <__main__.X instance at
0x7f8fe13d4b00>.
But I'm not worry about it.
IMO, no one will not pass this instance of object to
KimchiException as args.
IMO, we should never trust that the users/developers will pass the
correct parameters to our code. Eventually, someone will forget
that, and then we will have one more bug ;)