Get animation data from a selected object

get_anim_data.py

#!/usr/bin/env python

"""
@author:
    John P. Neumann

@applications:
    Maya

@description:
    Needed to get animation data from an object that was being driven
    via animation nodes so I scripted this real quick. It should put
    the file into your home directory named keydata.txt, which you can
    then pull into a script or whatever you wanna do.

"""
import os, sys
def get_key_data(path, objects):
    """
    get_key_data is a function that gets key data and writes
    it out to a file.

    @type path: str
    @param path: The path to the directory to write out to.
    @type objects: list
    @param objects: List of objects to write out the keydata for.

    """
    if not os.path.exists(path):
        sys.stderr.write('Path "%s" does not exist!!!' % (path))
        return False
    if isinstance(objects, str):
        new_obj = objects
        objects.append(new_obj)
    for obj in objects:
        dkey = []
        key_data = cmds.keyframe(obj, q=True, vc=True)
        time_data = cmds.keyframe(obj, q=True, tc=True)
        for num, data in enumerate(key_data):
            dkey.append([time_data[num], data])
        full_path = os.path.join(path, obj)
        f = open(full_path, 'w')
        for key in dkey:
            f.write('%s,\n' % (key))
        f.close()
    return True