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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
""" APT backend for :mod:`Bcfg2.Server.Plugins.Packages` """
import re
from Bcfg2.Server.Plugins.Packages.Collection import Collection
from Bcfg2.Server.Plugins.Packages.Source import Source
def strip_suffix(pkgname):
""" Remove the ':any' suffix from a dependency name if it is present.
"""
if pkgname.endswith(':any'):
return pkgname[:-4]
else:
return pkgname
class AptCollection(Collection):
""" Handle collections of APT sources. This is a no-op object
that simply inherits from
:class:`Bcfg2.Server.Plugins.Packages.Collection.Collection`,
overrides nothing, and defers all operations to :class:`PacSource`
"""
def __init__(self, metadata, sources, cachepath, basepath, debug=False):
# we define an __init__ that just calls the parent __init__,
# so that we can set the docstring on __init__ to something
# different from the parent __init__ -- namely, the parent
# __init__ docstring, minus everything after ``.. -----``,
# which we use to delineate the actual docs from the
# .. autoattribute hacks we have to do to get private
# attributes included in sphinx 1.0 """
Collection.__init__(self, metadata, sources, cachepath, basepath,
debug=debug)
__init__.__doc__ = Collection.__init__.__doc__.split(".. -----")[0]
def get_config(self):
""" Get an APT configuration file (i.e., ``sources.list``).
:returns: string """
lines = ["# This config was generated automatically by the Bcfg2 "
"Packages plugin", '']
for source in self:
if source.rawurl:
if source.rawurl[-1] != '/':
source.rawurl = source.rawurl + "/"
index = source.rawurl.rfind("/", 0, -1)
lines.append("deb %s %s" %
(source.rawurl[:index],
source.rawurl[index + 1:]))
else:
lines.append("deb %s %s %s" % (source.url, source.version,
" ".join(source.components)))
if source.debsrc:
lines.append("deb-src %s %s %s" %
(source.url,
source.version,
" ".join(source.components)))
lines.append("")
return "\n".join(lines)
class AptSource(Source):
""" Handle APT sources """
#: AptSource sets the ``type`` on Package entries to "deb"
ptype = 'deb'
#: Most (3rd-party) debian repositories still only support "gzip".
default_compression = 'gzip'
@property
def urls(self):
""" A list of URLs to the base metadata file for each
repository described by this source. """
fname = self.build_filename('Packages')
if not self.rawurl:
rv = []
for part in self.components:
for arch in self.arches:
rv.append("%sdists/%s/%s/binary-%s/%s" %
(self.url, self.version, part, arch, fname))
return rv
else:
return ["%s%s" % (self.rawurl, fname)]
def read_files(self): # pylint: disable=R0912
bdeps = dict()
brecs = dict()
bprov = dict()
self.pkgnames = set()
self.essentialpkgs = set()
for fname in self.files:
if not self.rawurl:
barch = [x
for x in fname.split('@')
if x.startswith('binary-')][0][7:]
else:
# RawURL entries assume that they only have one <Arch></Arch>
# element and that it is the architecture of the source.
barch = self.arches[0]
if barch not in bdeps:
bdeps[barch] = dict()
brecs[barch] = dict()
bprov[barch] = dict()
reader = self.open_file(fname)
for line in reader.readlines():
if not isinstance(line, str):
line = line.decode('utf-8')
words = str(line.strip()).split(':', 1)
if words[0] == 'Package':
pkgname = words[1].strip().rstrip()
self.pkgnames.add(pkgname)
bdeps[barch][pkgname] = []
brecs[barch][pkgname] = []
elif words[0] == 'Essential' and self.essential:
if words[1].strip() == 'yes':
self.essentialpkgs.add(pkgname)
elif words[0] in ['Depends', 'Pre-Depends', 'Recommends']:
vindex = 0
for dep in words[1].split(','):
if '|' in dep:
cdeps = [re.sub(r'\s+', '',
re.sub(r'\(.*\)', '', cdep))
for cdep in dep.split('|')]
cdeps = [strip_suffix(cdep) for cdep in cdeps]
dyn_dname = "choice-%s-%s-%s" % (pkgname,
barch,
vindex)
vindex += 1
if words[0] == 'Recommends':
brecs[barch][pkgname].append(dyn_dname)
else:
bdeps[barch][pkgname].append(dyn_dname)
bprov[barch][dyn_dname] = set(cdeps)
else:
raw_dep = re.sub(r'\(.*\)', '', dep)
raw_dep = raw_dep.rstrip().strip()
raw_dep = strip_suffix(raw_dep)
if words[0] == 'Recommends':
brecs[barch][pkgname].append(raw_dep)
else:
bdeps[barch][pkgname].append(raw_dep)
elif words[0] == 'Provides':
for pkg in words[1].split(','):
dname = pkg.rstrip().strip()
if dname not in bprov[barch]:
bprov[barch][dname] = set()
bprov[barch][dname].add(pkgname)
reader.close()
self.process_files(bdeps, bprov, brecs)
read_files.__doc__ = Source.read_files.__doc__
|
