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
|
# Copyright 2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
__all__ = (
'MaskManager',
)
from portage import os
from portage.dep import ExtendedAtomDict, match_from_list
from portage.util import grabfile_package, stack_lists
from portage.versions import cpv_getkey
class MaskManager(object):
def __init__(self, pmask_locations, abs_user_config, user_config=True):
self._punmaskdict = ExtendedAtomDict(list)
self._pmaskdict = ExtendedAtomDict(list)
pkgmasklines = []
pkgunmasklines = []
for x in pmask_locations:
pkgmasklines.append(grabfile_package(
os.path.join(x, "package.mask"), recursive=1))
pkgunmasklines.append(grabfile_package(
os.path.join(x, "package.unmask"), recursive=1))
if user_config:
pkgmasklines.append(grabfile_package(
os.path.join(abs_user_config, "package.mask"), recursive=1, allow_wildcard=True))
pkgunmasklines.append(grabfile_package(
os.path.join(abs_user_config, "package.unmask"), recursive=1, allow_wildcard=True))
pkgmasklines = stack_lists(pkgmasklines, incremental=1)
pkgunmasklines = stack_lists(pkgunmasklines, incremental=1)
for x in pkgmasklines:
self._pmaskdict.setdefault(x.cp, []).append(x)
for x in pkgunmasklines:
self._punmaskdict.setdefault(x.cp, []).append(x)
for d in (self._pmaskdict, self._punmaskdict):
for k, v in d.items():
d[k] = tuple(v)
def getMaskAtom(self, cpv, slot):
"""
Take a package and return a matching package.mask atom, or None if no
such atom exists or it has been cancelled by package.unmask. PROVIDE
is not checked, so atoms will not be found for old-style virtuals.
@param cpv: The package name
@type cpv: String
@param slot: The package's slot
@type slot: String
@rtype: String
@return: An matching atom string or None if one is not found.
"""
cp = cpv_getkey(cpv)
mask_atoms = self._pmaskdict.get(cp)
if mask_atoms:
pkg_list = ["%s:%s" % (cpv, slot)]
unmask_atoms = self._punmaskdict.get(cp)
for x in mask_atoms:
if not match_from_list(x, pkg_list):
continue
if unmask_atoms:
for y in unmask_atoms:
if match_from_list(y, pkg_list):
return None
return x
return None
|
