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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
#! /usr/bin/python3
# Copyright © 2010-2015 Piotr Ożarowski <piotr@debian.org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import re
import sys
try:
from distro_info import DistroInfo # python3-distro-info package
except ImportError:
DistroInfo = None
from gzip import decompress
from os import chdir, mkdir
from os.path import dirname, exists, isdir, join, split
from urllib.request import urlopen
if '--ubuntu' in sys.argv and DistroInfo:
SOURCE = 'http://archive.ubuntu.com/ubuntu/dists/%s/Contents-amd64.gz' % \
DistroInfo('ubuntu').devel()
else:
SOURCE = 'http://ftp.debian.org/debian/dists/unstable/main/Contents-amd64.gz'
IGNORED_PKGS = {'python-setuptools', 'python3-setuptools', 'pypy-setuptools'}
DEFAULTS = {
'cpython2': [
'python python\n',
'setuptools python-pkg-resources\n',
'wsgiref python (>= 2.5) | python-wsgiref\n',
'argparse python (>= 2.7) | python-argparse\n',
# not recognized due to .pth file (egg-info is in PIL/ and not in *-packages/)
'pil python-pil\n',
'Pillow python-pil\n'],
'cpython3': [
'pil python3-pil\n',
'Pillow python3-pil\n',
'setuptools python3-pkg-resources\n',
'argparse python3 (>= 3.2)\n'],
'pypy': []
}
public_egg = re.compile(r'''
/usr/
(
(?P<cpython2>
(lib/python2\.[0-9]/((site)|(dist))-packages)|
(share/python-support/[^/]+)
)|
(?P<cpython3>
(lib/python3/dist-packages)
)|
(?P<pypy>
(lib/pypy/dist-packages)
)
)
/[^/]*\.egg-info
''', re.VERBOSE).match
skip_sensible_names = True if '--skip-sensible-names' in sys.argv else False
chdir(dirname(__file__))
if isdir('../dhpython'):
sys.path.append('..')
else:
sys.path.append('/usr/share/dh-python/dhpython/')
from dhpython.pydist import sensible_pname
if not isdir('cache'):
mkdir('cache')
cache_fpath = join('cache', split(SOURCE)[-1])
if not exists(cache_fpath):
data = urlopen(SOURCE).read()
with open(cache_fpath, 'wb') as fp:
fp.write(data)
else:
data = open(cache_fpath, 'rb').read()
try:
data = str(decompress(data), encoding='UTF-8')
except UnicodeDecodeError as e: # Ubuntu
data = str(decompress(data), encoding='ISO-8859-15')
result = {
'cpython2': {},
'cpython3': {},
'pypy': {}}
# Contents file doesn't contain comment these days
is_header = not data.startswith('bin')
for line in data.splitlines():
if is_header:
if line.startswith('FILE'):
is_header = False
continue
try:
path, desc = line.rsplit(maxsplit=1)
except ValueError:
# NOTE(jamespage) some lines in Ubuntu are not parseable.
continue
path = '/' + path.rstrip()
section, pkg_name = desc.rsplit('/', 1)
if pkg_name in IGNORED_PKGS:
continue
match = public_egg(path)
if match:
egg_name = [i.split('-', 1)[0] for i in path.split('/')
if i.endswith('.egg-info')][0]
if egg_name.endswith('.egg'):
egg_name = egg_name[:-4]
impl = next(key for key, value in match.groupdict().items() if value)
if skip_sensible_names and\
sensible_pname(impl, egg_name) == pkg_name:
continue
processed = result[impl]
if egg_name not in processed:
processed[egg_name] = pkg_name
for impl, details in result.items():
with open('{}_fallback'.format(impl), 'w') as fp:
result = DEFAULTS[impl]
if result:
fp.writelines(result)
result = sorted('{} {}\n'.format(egg, pkg) for egg, pkg in details.items())
fp.writelines(result)
|
