Mercurial > cpython-lru_cache-weakref
annotate Lib/glob.py @ 5817:48b94de85bf3 legacy-trunk
Extensive changes by AMK.
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Thu, 17 Jul 1997 16:29:42 +0000 |
| parents | a50df7f3a10a |
| children | 24da035ceb6e |
| rev | line source |
|---|---|
| 5242 | 1 """Filename globbing utility.""" |
| 107 | 2 |
| 570 | 3 import os |
| 107 | 4 import fnmatch |
|
574
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
5 import regex |
| 107 | 6 |
| 570 | 7 |
| 107 | 8 def glob(pathname): |
| 5242 | 9 """Return a list of paths matching a pathname pattern. |
| 10 | |
| 11 The pattern may contain simple shell-style wildcards a la fnmatch. | |
| 12 | |
| 13 """ | |
|
574
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
14 if not has_magic(pathname): |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
15 if os.path.exists(pathname): |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
16 return [pathname] |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
17 else: |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
18 return [] |
| 570 | 19 dirname, basename = os.path.split(pathname) |
| 107 | 20 if has_magic(dirname): |
| 21 list = glob(dirname) | |
| 22 else: | |
| 23 list = [dirname] | |
| 24 if not has_magic(basename): | |
| 25 result = [] | |
| 26 for dirname in list: | |
| 570 | 27 if basename or os.path.isdir(dirname): |
| 28 name = os.path.join(dirname, basename) | |
| 29 if os.path.exists(name): | |
| 107 | 30 result.append(name) |
| 31 else: | |
| 32 result = [] | |
| 33 for dirname in list: | |
| 34 sublist = glob1(dirname, basename) | |
| 35 for name in sublist: | |
| 570 | 36 result.append(os.path.join(dirname, name)) |
| 107 | 37 return result |
| 38 | |
| 39 def glob1(dirname, pattern): | |
| 570 | 40 if not dirname: dirname = os.curdir |
| 107 | 41 try: |
| 570 | 42 names = os.listdir(dirname) |
| 43 except os.error: | |
| 107 | 44 return [] |
| 45 result = [] | |
| 46 for name in names: | |
|
574
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
47 if name[0] != '.' or pattern[0] == '.': |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
48 if fnmatch.fnmatch(name, pattern): |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
49 result.append(name) |
| 107 | 50 return result |
| 51 | |
|
574
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
52 |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
53 magic_check = regex.compile('[*?[]') |
|
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
54 |
| 107 | 55 def has_magic(s): |
|
574
03b9f152adb6
Never return a non-existing pathname.
Guido van Rossum <guido@python.org>
parents:
570
diff
changeset
|
56 return magic_check.search(s) >= 0 |