| Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 1 | #!/usr/bin/env python3 | 
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 2 | # | 
|  | 3 | # Allow copying of $1 to $2 but if files in $1 disappear during the copy operation, | 
|  | 4 | # don't error. | 
|  | 5 | # Also don't error if $1 disappears. | 
|  | 6 | # | 
|  | 7 |  | 
|  | 8 | import sys | 
|  | 9 | import os | 
|  | 10 | import shutil | 
|  | 11 |  | 
|  | 12 | def copytree(src, dst, symlinks=False, ignore=None): | 
|  | 13 | """Based on shutil.copytree""" | 
|  | 14 | names = os.listdir(src) | 
|  | 15 | try: | 
|  | 16 | os.makedirs(dst) | 
|  | 17 | except OSError: | 
|  | 18 | # Already exists | 
|  | 19 | pass | 
|  | 20 | errors = [] | 
|  | 21 | for name in names: | 
|  | 22 | srcname = os.path.join(src, name) | 
|  | 23 | dstname = os.path.join(dst, name) | 
|  | 24 | try: | 
|  | 25 | d = dstname | 
|  | 26 | if os.path.isdir(dstname): | 
|  | 27 | d = os.path.join(dstname, os.path.basename(srcname)) | 
|  | 28 | if os.path.exists(d): | 
|  | 29 | continue | 
|  | 30 | try: | 
|  | 31 | os.link(srcname, dstname) | 
|  | 32 | except OSError: | 
|  | 33 | shutil.copy2(srcname, dstname) | 
|  | 34 | # catch the Error from the recursive copytree so that we can | 
|  | 35 | # continue with other files | 
| Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 36 | except shutil.Error as err: | 
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 37 | errors.extend(err.args[0]) | 
| Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 38 | except EnvironmentError as why: | 
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 39 | errors.append((srcname, dstname, str(why))) | 
|  | 40 | try: | 
|  | 41 | shutil.copystat(src, dst) | 
| Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 42 | except OSError as why: | 
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 43 | errors.extend((src, dst, str(why))) | 
|  | 44 | if errors: | 
| Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 45 | raise shutil.Error(errors) | 
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 46 |  | 
|  | 47 | try: | 
|  | 48 | copytree(sys.argv[1], sys.argv[2]) | 
|  | 49 | except shutil.Error: | 
|  | 50 | pass | 
|  | 51 | except OSError: | 
|  | 52 | pass |