| #!/usr/bin/env python | 
 | # | 
 | # Allow copying of $1 to $2 but if files in $1 disappear during the copy operation, | 
 | # don't error. | 
 | # Also don't error if $1 disappears. | 
 | # | 
 |  | 
 | import sys | 
 | import os | 
 | import shutil | 
 |  | 
 | def copytree(src, dst, symlinks=False, ignore=None): | 
 |     """Based on shutil.copytree""" | 
 |     names = os.listdir(src) | 
 |     try: | 
 |         os.makedirs(dst) | 
 |     except OSError:  | 
 |         # Already exists | 
 |         pass | 
 |     errors = [] | 
 |     for name in names: | 
 |         srcname = os.path.join(src, name) | 
 |         dstname = os.path.join(dst, name) | 
 |         try: | 
 |             d = dstname | 
 |             if os.path.isdir(dstname): | 
 |                 d = os.path.join(dstname, os.path.basename(srcname)) | 
 |             if os.path.exists(d): | 
 |                 continue | 
 |             try: | 
 |                 os.link(srcname, dstname) | 
 |             except OSError: | 
 |                 shutil.copy2(srcname, dstname) | 
 |         # catch the Error from the recursive copytree so that we can | 
 |         # continue with other files | 
 |         except shutil.Error, err: | 
 |             errors.extend(err.args[0]) | 
 |         except EnvironmentError, why: | 
 |             errors.append((srcname, dstname, str(why))) | 
 |     try: | 
 |         shutil.copystat(src, dst) | 
 |     except OSError, why: | 
 |         errors.extend((src, dst, str(why))) | 
 |     if errors: | 
 |         raise shutil.Error, errors | 
 |  | 
 | try: | 
 |     copytree(sys.argv[1], sys.argv[2]) | 
 | except shutil.Error: | 
 |    pass | 
 | except OSError: | 
 |    pass |