On Aug 15, 9:21 am, "Paul Wilson" <[EMAIL PROTECTED]> wrote: > Hi all, > > I'd like to be able to do the following to a python source file > programmatically: > * Read in a source file > * Add/Remove/Edit Classes, methods, functions > * Add/Remove/Edit Decorators > * List the Classes > * List the imported modules > * List the functions > * List methods of classes > > And then save out the result back to the original file (or elsewhere). > > I've begun by using the tokenize module to generate a token-tuple list > and am building datastructures around it that enable the above > methods. I'm find that I'm getting a little caught up in the details > and thought I'd step back and ask if there's a more elegant way to > approach this, or if anyone knows a library that could assist. > > So far, I've got code that generates a line number to token-tuple list > dictionary, and am working on a datastructure describing where the > classes begin and end, indexed by their name, such that they can be > later modified.
Look at the 2to3 tool which is good at this sort of thing. It lets you define custom "fixers" that work on a fairly high-level representation of the parse tree and then write the source back exactly unchanged. > > Any thoughts? > Thanks, > Paul -- http://mail.python.org/mailman/listinfo/python-list