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
|
#!/usr/bin/python3
# which-pkg-broke: help find offending packages when something breaks
# Placed in the public domain by Bill Gribble <grib@billgribble.com>
import sys
import os
import subprocess
import time
from string import *
from stat import *
def force_posix_locale():
os.environ['LC_ALL'] = 'C'
def pkgdeps(pkgs):
apt_cache = subprocess.Popen(
['apt-cache', 'depends', *pkgs],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
universal_newlines=True,
preexec_fn=force_posix_locale,
)
deps = []
for myline in apt_cache.stdout:
elts = list(s.strip() for s in myline.split(':'))
if len(elts) == 2:
how, pkg = elts
how = how.replace('|', '')
if how in ('Depends', 'PreDepends'):
deps.append(pkg)
apt_cache.wait()
return deps
def alldeps(pkg):
seen = set()
todo = set([pkg])
while todo:
new = pkgdeps(todo)
seen |= todo
todo = set(new) - seen
return seen
def localarchitectures():
architectures = []
dpkg_arch = subprocess.Popen(
['dpkg', '--print-architecture'],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
universal_newlines=True,
preexec_fn=force_posix_locale,
)
for arch in dpkg_arch.stdout.readlines():
architectures.append(arch.rstrip())
try:
dpkg_archs = subprocess.Popen(
['dpkg', '--print-foreign-architecture'],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
universal_newlines=True,
preexec_fn=force_posix_locale,
)
for arch in dpkg_archs.stdout.readlines():
architectures.append(arch.rstrip())
except OSError:
pass # non-multiarchy dpkg, which is ok
return architectures
def pkginstalltime(pkg, architectures):
times = []
for arch in architectures:
listfile = '/var/lib/dpkg/info/' + pkg + ':' + arch + '.list'
try:
times.append([pkg + ':' + arch, os.stat(listfile)[ST_MTIME]])
except OSError:
pass
if not times:
listfile = '/var/lib/dpkg/info/' + pkg + '.list'
try:
times.append([pkg, os.stat(listfile)[ST_MTIME]])
except OSError:
print("Package", pkg, "has no install time info")
return times
def what_broke(pname):
pkgs = alldeps(pname)
architectures = localarchitectures()
itimes = []
for p in pkgs:
itimes.extend(pkginstalltime(p, architectures))
itimes.sort(key=lambda k: k[1])
for i in itimes:
p, t = i
if t is not None:
print(p.ljust(54), time.asctime(time.localtime(float(t))))
if (len(sys.argv) != 2 or sys.argv[1][0] == '-'):
print("Usage: which-pkg-broke <pkg-name>")
sys.exit(-1)
else:
what_broke(sys.argv[1])
sys.exit(0)
|
