Re: Variable class instantiation

2009-12-11 Thread Steven D'Aprano
On Fri, 11 Dec 2009 11:36:13 +, Sion Arrowsmith wrote: > Steven D'Aprano wrote: >>thisModule = __import__(__name__) >>classToUse = thisModule.__dict__['C1'] > > Any reason to prefer this over: > > classToUse = getattr(thisModule, 'C1') > > ? (I think, for a module, they should do exactly

Re: Variable class instantiation

2009-12-11 Thread Sion Arrowsmith
Steven D'Aprano wrote: >thisModule = __import__(__name__) >classToUse = thisModule.__dict__['C1'] Any reason to prefer this over: classToUse = getattr(thisModule, 'C1') ? (I think, for a module, they should do exactly the same thing. Personally, I prefer keeping explicit references to __specia

Re: Variable class instantiation

2009-12-11 Thread Lie Ryan
On 12/11/2009 8:26 PM, Jan Mach wrote: Hi everybody, I am currently solving the following problem and I am stuck. I am trying to create instance of the class of variable name. I know, that the following works: if (something): classToUse = C1 else: classToUse = C2 o = classToUse() ,bu

Re: Variable class instantiation

2009-12-11 Thread Steven D'Aprano
On Fri, 11 Dec 2009 10:26:49 +0100, Jan Mach wrote: > I need to have the class name in the > string and then instantiate it: > > (this does not work of course) > classToUse = "C1" > o = classToUse() > > It is because I don`t know at the moment what the name of the class will > be, I will load it

Re: Variable class instantiation

2009-12-11 Thread Richard Thomas
On Dec 11, 9:26 am, Jan Mach wrote: > Hi everybody, > I am currently solving the following problem and I am stuck. I am trying > to create instance of the class of variable name. I know, that the > following works: > > if (something): >     classToUse = C1 > else: >     classToUse = C2 > > o = cla

Variable class instantiation

2009-12-11 Thread Jan Mach
Hi everybody, I am currently solving the following problem and I am stuck. I am trying to create instance of the class of variable name. I know, that the following works: if (something): classToUse = C1 else: classToUse = C2 o = classToUse() ,but this is not what I want. I need to have t