1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import re
import os
from itertools import product
from spack.util.executable import which
# Supported archive extensions.
PRE_EXTS = ["tar", "TAR"]
EXTS = ["gz", "bz2", "xz", "Z"]
NOTAR_EXTS = ["zip", "tgz", "tbz2", "txz"]
# Add PRE_EXTS and EXTS last so that .tar.gz is matched *before* .tar or .gz
ALLOWED_ARCHIVE_TYPES = [".".join(ext) for ext in product(
PRE_EXTS, EXTS)] + PRE_EXTS + EXTS + NOTAR_EXTS
def allowed_archive(path):
return any(path.endswith(t) for t in ALLOWED_ARCHIVE_TYPES)
def decompressor_for(path, extension=None):
"""Get the appropriate decompressor for a path."""
if ((extension and re.match(r'\.?zip$', extension)) or
path.endswith('.zip')):
unzip = which('unzip', required=True)
unzip.add_default_arg('-q')
return unzip
if extension and re.match(r'gz', extension):
gunzip = which('gunzip', required=True)
return gunzip
if extension and re.match(r'bz2', extension):
bunzip2 = which('bunzip2', required=True)
return bunzip2
tar = which('tar', required=True)
tar.add_default_arg('-oxf')
return tar
def strip_extension(path):
"""Get the part of a path that does not include its compressed
type extension."""
for type in ALLOWED_ARCHIVE_TYPES:
suffix = r'\.%s$' % type
if re.search(suffix, path):
return re.sub(suffix, "", path)
return path
def extension(path):
"""Get the archive extension for a path."""
if path is None:
raise ValueError("Can't call extension() on None")
# Strip sourceforge suffix.
if re.search(r'((?:sourceforge.net|sf.net)/.*)/download$', path):
path = os.path.dirname(path)
for t in ALLOWED_ARCHIVE_TYPES:
suffix = r'\.%s$' % t
if re.search(suffix, path):
return t
return None
|
