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vishalsethia
vishalsethia
Last Activity: Aug 29 '07, 01:00 AM
Joined: Feb 5 '07
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  • vishalsethia
    replied to Instantiating classes on the fly
    in Python
    Was googling around and found a way to instantiate objects on the fly.

    Script 1 (Arbitrary.py)
    --------------
    Code:
    import string
class ArbitraryClass:
        def getClass(self, moduleName):
                return __import__(
                        moduleName,
                        {},
                        {},
                        []
    ...
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    Last edited by bartonc; Feb 7 '07, 12:53 AM. Reason: added [code][/code] tags

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    • vishalsethia
      replied to Instantiating classes on the fly
      in Python
      Thanks Barton, That helped me import the module but now how do I instantiate it or access the functions declared within that class.

      Thanks
      --V
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      • vishalsethia
        replied to Instantiating classes on the fly
        in Python
        Sorry for not being clear on the first post. What I meant was

        Script 1
        ---------------
        ./script1.py -f script2.py

        To instantiate script2 , one would normally use in script1

        object = script2.script2 ()
        object.function 1()

        But if the name of script2 is dynamic (which comes from command line), how do I instantiate that object.


        Script 2 (script2.py)...
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        Last edited by bartonc; Feb 6 '07, 09:34 PM. Reason: added [code][/code] tags

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        • vishalsethia
          started a topic Instantiating classes on the fly
          in Python

          Instantiating classes on the fly

          Is there a way in which classes can be instantiated on the fly. I would be passed the name of the file to be instantiated through command line which I store in a variable using getopt.

          So the file that needs to be instantiated would be dynamic. How would I achieve that in Python

          Thanks
          --V
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          • vishalsethia
            replied to sharing variables between two scripts
            in Python
            Thanks .. that helped.
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            • vishalsethia
              replied to sharing variables between two scripts
              in Python
              I tried to implement based on the previous comment, but it doesn't seem to serve to work. I am not sure what am I missing here ?

              The output I get is

              ['234', '123']
              ['444', '233']
              []

              I am not sure how do I achieve this ?
              If either of the files update that global variable, wherever I print, it should have that updated value. Also I am not sure declaring global variables is a...
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              • vishalsethia
                started a topic sharing variables between two scripts
                in Python

                sharing variables between two scripts

                I was wondering if I declare a variable as global , can I share the same variable in a different file with the updated value. (ie) A global variable value to be used between different files without passing them within functions.


                Say for eg.

                Script 1
                Code:
                global foo = "sample"

def func1
   global foo
   foo = "updated sample"
   print foo
                ...
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                Last edited by bartonc; Feb 6 '07, 01:29 AM. Reason: added [code][/code] tags
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