Re: [Pyobjc-dev] How to get Python class into Objc namespace

[Bill B. <bb...@ma...>]

On May 8, 2008, at 5:38 PM, Steve Steiner wrote:
> 	If someone will just point me to the right resource, I'll blog it and
> make it findable by the next poor sot.

	[[NSClassFromString(@"MyPythonClass") alloc] init];

Your challenge will be where you define the method prototypes to keep  
the compiler happy.

Personally, I would create a dummy class that has NO methods, then  
declare categories against that dummy class that has all of the  
methods w/appropriate signature that are needed... then declare the  
result of the above to be a pointer to an instance of that class.

Makes the compiler happy and the runtime doesn't care.

Unless you are jumping through hoops to declare the method signatures,  
everything will be of an object type.

If you want to provide subclasses of specific objc classes that are  
implemented in python, then declare an abstract subclass that contains  
all the method declarations and implementations that do nothing, then  
subclass that from Python.  That'll give the bridge all (if you run  
gen_bridge_metadata, if needed) to do the conversions across the  
bridge for the types that need it.

b.bum