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I'm making a network analysis tool using python 2.5 ( windows) , that captures network traffic using scapy and stores the capture data in *.pcap file . What i'm trying to achieve is to allow users to write their own functions that can analyze the network traffic . So what i did is that i created a interface class that would allow users to write the function. 

#analyzer function class
class date_validator:
    def __init__(self,dbh):

        #any intializations required for the function.
        self.dbHandle=dbh
        #All interaction with the database can be done by using this handle.
        return

    def importer(self):
        #contains all the modules that have to be imported for
        #execution of the analyzer function.
        return

    def LogAnalyzer(self):
       #Main function that contains the analyzer code.

       return data
       #this function must return 2D data to populate a table View.
       # It can accomadate 1D data also .

Now the problem that i face is that after packaging the whole program as an exe , if i load a analyzer function with the above given structure and it has to import a module lets say " import nmap " how will that work and in case that module is installed on the system ?

So my question is that how do i accomplish this task , is there a better way ?

Thanks in advance .

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