traversing subdirectories and renaming image files with strange windows-specific character

rename_img_files

'''
Created on Jun 16, 2015

@author: kashefy
'''

import argparse
import os

def list_paths(root_path):
    
    all_paths = [os.path.join(dirpath, f)
                 for dirpath, dirnames, files in os.walk(root_path)
                 for f in files if f.endswith('.tif') or f.endswith('.jpg')]
    
    return all_paths

def new_fname(paths_):
    
    paths_new = [fpath.replace('\xb0', '') for fpath in paths_] 
    
    return paths_new
    
def main(args):
    
    dir_input = args.input
    if not os.path.isdir(dir_input):
        raise IOError("Inut directory does not exist (%s)" % dir_input)
    
    paths_ = list_paths(dir_input)
    
    print '%d files found' % len(paths_)
    
    paths_new = new_fname(paths_)
    
    count_renamed = 0
    
    for src, dst in zip(paths_, paths_new):
        
        if src != dst:
            os.rename(src, dst)
            count_renamed += 1
            
    print 'renamed %d files' % count_renamed
    
    return 0

if __name__ == '__main__':
    
    parser = argparse.ArgumentParser()
    parser.add_argument("input", type=str,
                        help="Input directory")
    args = parser.parse_args()

    ret = main(args)
    
    pass