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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
|
# Copyright 2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from itertools import permutations
import shutil
import tempfile
import portage
from portage import os
from portage.const import PORTAGE_BASE_PATH
from portage.dbapi.vartree import vartree
from portage.dbapi.porttree import portagetree
from portage.dbapi.bintree import binarytree
from portage.dep import Atom, _repo_separator
from portage.package.ebuild.config import config
from portage._sets import load_default_config
from portage.versions import catsplit
import _emerge
from _emerge.actions import calc_depclean
from _emerge.Blocker import Blocker
from _emerge.create_depgraph_params import create_depgraph_params
from _emerge.depgraph import backtrack_depgraph
from _emerge.RootConfig import RootConfig
class ResolverPlayground(object):
"""
This class help to create the necessary files on disk and
the needed settings instances, etc. for the resolver to do
it's work.
"""
config_files = frozenset(("package.use", "package.mask", "package.keywords", \
"package.unmask", "package.properties", "package.license"))
def __init__(self, ebuilds={}, installed={}, profile={}, repo_configs={}, \
user_config={}, sets={}, world=[], debug=False):
"""
ebuilds: cpv -> metadata mapping simulating avaiable ebuilds.
installed: cpv -> metadata mapping simulating installed packages.
If a metadata key is missing, it gets a default value.
profile: settings defined by the profile.
"""
self.debug = debug
self.root = "/"
self.eprefix = tempfile.mkdtemp()
self.eroot = self.root + self.eprefix.lstrip(os.sep) + os.sep
self.portdir = os.path.join(self.eroot, "usr/portage")
self.vdbdir = os.path.join(self.eroot, "var/db/pkg")
os.makedirs(self.portdir)
os.makedirs(self.vdbdir)
if not debug:
portage.util.noiselimit = -2
self.repo_dirs = {}
#Make sure the main repo is alaways created
self._get_repo_dir("test_repo")
self._create_ebuilds(ebuilds)
self._create_installed(installed)
self._create_profile(ebuilds, installed, profile, repo_configs, user_config, sets)
self._create_world(world)
self.settings, self.trees = self._load_config()
self._create_ebuild_manifests(ebuilds)
portage.util.noiselimit = 0
def _get_repo_dir(self, repo):
"""
Create the repo directory if needed.
"""
if repo not in self.repo_dirs:
if repo == "test_repo":
repo_path = self.portdir
else:
repo_path = os.path.join(self.eroot, "usr", "local", repo)
self.repo_dirs[repo] = repo_path
profile_path = os.path.join(repo_path, "profiles")
try:
os.makedirs(profile_path)
except os.error:
pass
repo_name_file = os.path.join(profile_path, "repo_name")
f = open(repo_name_file, "w")
f.write("%s\n" % repo)
f.close()
return self.repo_dirs[repo]
def _create_ebuilds(self, ebuilds):
for cpv in ebuilds:
a = Atom("=" + cpv, allow_repo=True)
repo = a.repo
if repo is None:
repo = "test_repo"
metadata = ebuilds[cpv].copy()
eapi = metadata.pop("EAPI", 0)
lic = metadata.pop("LICENSE", "")
properties = metadata.pop("PROPERTIES", "")
slot = metadata.pop("SLOT", 0)
keywords = metadata.pop("KEYWORDS", "x86")
iuse = metadata.pop("IUSE", "")
depend = metadata.pop("DEPEND", "")
rdepend = metadata.pop("RDEPEND", None)
pdepend = metadata.pop("PDEPEND", None)
required_use = metadata.pop("REQUIRED_USE", None)
if metadata:
raise ValueError("metadata of ebuild '%s' contains unknown keys: %s" % (cpv, metadata.keys()))
repo_dir = self._get_repo_dir(repo)
ebuild_dir = os.path.join(repo_dir, a.cp)
ebuild_path = os.path.join(ebuild_dir, a.cpv.split("/")[1] + ".ebuild")
try:
os.makedirs(ebuild_dir)
except os.error:
pass
f = open(ebuild_path, "w")
f.write('EAPI="' + str(eapi) + '"\n')
f.write('LICENSE="' + str(lic) + '"\n')
f.write('PROPERTIES="' + str(properties) + '"\n')
f.write('SLOT="' + str(slot) + '"\n')
f.write('KEYWORDS="' + str(keywords) + '"\n')
f.write('IUSE="' + str(iuse) + '"\n')
f.write('DEPEND="' + str(depend) + '"\n')
if rdepend is not None:
f.write('RDEPEND="' + str(rdepend) + '"\n')
if pdepend is not None:
f.write('PDEPEND="' + str(pdepend) + '"\n')
if required_use is not None:
f.write('REQUIRED_USE="' + str(required_use) + '"\n')
f.close()
def _create_ebuild_manifests(self, ebuilds):
for cpv in ebuilds:
a = Atom("=" + cpv, allow_repo=True)
repo = a.repo
if repo is None:
repo = "test_repo"
repo_dir = self._get_repo_dir(repo)
ebuild_dir = os.path.join(repo_dir, a.cp)
ebuild_path = os.path.join(ebuild_dir, a.cpv.split("/")[1] + ".ebuild")
portage.util.noiselimit = -1
tmpsettings = config(clone=self.settings)
portdb = self.trees[self.root]["porttree"].dbapi
portage.doebuild(ebuild_path, "digest", self.root, tmpsettings,
tree="porttree", mydbapi=portdb)
portage.util.noiselimit = 0
def _create_installed(self, installed):
for cpv in installed:
a = Atom("=" + cpv, allow_repo=True)
repo = a.repo
if repo is None:
repo = "test_repo"
vdb_pkg_dir = os.path.join(self.vdbdir, a.cpv)
try:
os.makedirs(vdb_pkg_dir)
except os.error:
pass
metadata = installed[cpv].copy()
eapi = metadata.pop("EAPI", 0)
lic = metadata.pop("LICENSE", "")
properties = metadata.pop("PROPERTIES", "")
slot = metadata.pop("SLOT", 0)
keywords = metadata.pop("KEYWORDS", "~x86")
iuse = metadata.pop("IUSE", "")
use = metadata.pop("USE", "")
depend = metadata.pop("DEPEND", "")
rdepend = metadata.pop("RDEPEND", None)
pdepend = metadata.pop("PDEPEND", None)
required_use = metadata.pop("REQUIRED_USE", None)
if metadata:
raise ValueError("metadata of installed '%s' contains unknown keys: %s" % (cpv, metadata.keys()))
def write_key(key, value):
f = open(os.path.join(vdb_pkg_dir, key), "w")
f.write(str(value) + "\n")
f.close()
write_key("EAPI", eapi)
write_key("LICENSE", lic)
write_key("PROPERTIES", properties)
write_key("SLOT", slot)
write_key("LICENSE", lic)
write_key("PROPERTIES", properties)
write_key("repository", repo)
write_key("KEYWORDS", keywords)
write_key("IUSE", iuse)
write_key("USE", use)
write_key("DEPEND", depend)
if rdepend is not None:
write_key("RDEPEND", rdepend)
if pdepend is not None:
write_key("PDEPEND", pdepend)
if required_use is not None:
write_key("REQUIRED_USE", required_use)
def _create_profile(self, ebuilds, installed, profile, repo_configs, user_config, sets):
for repo in self.repo_dirs:
repo_dir = self._get_repo_dir(repo)
profile_dir = os.path.join(self._get_repo_dir(repo), "profiles")
#Create $REPO/profiles/categories
categories = set()
for cpv in ebuilds:
ebuilds_repo = Atom("="+cpv, allow_repo=True).repo
if ebuilds_repo is None:
ebuilds_repo = "test_repo"
if ebuilds_repo == repo:
categories.add(catsplit(cpv)[0])
categories_file = os.path.join(profile_dir, "categories")
f = open(categories_file, "w")
for cat in categories:
f.write(cat + "\n")
f.close()
#Create $REPO/profiles/license_groups
license_file = os.path.join(profile_dir, "license_groups")
f = open(license_file, "w")
f.write("EULA TEST\n")
f.close()
repo_config = repo_configs.get(repo)
if repo_config:
for config_file, lines in repo_config.items():
if config_file not in self.config_files:
raise ValueError("Unknown config file: '%s'" % config_file)
file_name = os.path.join(profile_dir, config_file)
f = open(file_name, "w")
for line in lines:
f.write("%s\n" % line)
f.close()
#Create $profile_dir/eclass (we fail to digest the ebuilds if it's not there)
os.makedirs(os.path.join(repo_dir, "eclass"))
if repo == "test_repo":
#Create a minimal profile in /usr/portage
sub_profile_dir = os.path.join(profile_dir, "default", "linux", "x86", "test_profile")
os.makedirs(sub_profile_dir)
eapi_file = os.path.join(sub_profile_dir, "eapi")
f = open(eapi_file, "w")
f.write("0\n")
f.close()
make_defaults_file = os.path.join(sub_profile_dir, "make.defaults")
f = open(make_defaults_file, "w")
f.write("ARCH=\"x86\"\n")
f.write("ACCEPT_KEYWORDS=\"x86\"\n")
f.close()
use_force_file = os.path.join(sub_profile_dir, "use.force")
f = open(use_force_file, "w")
f.write("x86\n")
f.close()
if profile:
for config_file, lines in profile.items():
if config_file not in self.config_files:
raise ValueError("Unknown config file: '%s'" % config_file)
file_name = os.path.join(sub_profile_dir, config_file)
f = open(file_name, "w")
for line in lines:
f.write("%s\n" % line)
f.close()
#Create profile symlink
os.makedirs(os.path.join(self.eroot, "etc"))
os.symlink(sub_profile_dir, os.path.join(self.eroot, "etc", "make.profile"))
user_config_dir = os.path.join(self.eroot, "etc", "portage")
try:
os.makedirs(user_config_dir)
except os.error:
pass
repos_conf_file = os.path.join(user_config_dir, "repos.conf")
f = open(repos_conf_file, "w")
priority = 1
for repo in sorted(self.repo_dirs.keys()):
f.write("[%s]\n" % repo)
f.write("LOCATION=%s\n" % self.repo_dirs[repo])
if repo == "test_repo":
f.write("PRIORITY=%s\n" % 1000)
else:
f.write("PRIORITY=%s\n" % priority)
priority += 1
f.close()
for config_file, lines in user_config.items():
if config_file not in self.config_files:
raise ValueError("Unknown config file: '%s'" % config_file)
file_name = os.path.join(user_config_dir, config_file)
f = open(file_name, "w")
for line in lines:
f.write("%s\n" % line)
f.close()
#Create /usr/share/portage/config/sets/portage.conf
default_sets_conf_dir = os.path.join(self.eroot, "usr/share/portage/config/sets")
try:
os.makedirs(default_sets_conf_dir)
except os.error:
pass
provided_sets_portage_conf = \
os.path.join(PORTAGE_BASE_PATH, "cnf/sets/portage.conf")
os.symlink(provided_sets_portage_conf, os.path.join(default_sets_conf_dir, "portage.conf"))
set_config_dir = os.path.join(user_config_dir, "sets")
try:
os.makedirs(set_config_dir)
except os.error:
pass
for sets_file, lines in sets.items():
file_name = os.path.join(set_config_dir, sets_file)
f = open(file_name, "w")
for line in lines:
f.write("%s\n" % line)
f.close()
user_config_dir = os.path.join(self.eroot, "etc", "portage")
try:
os.makedirs(user_config_dir)
except os.error:
pass
for config_file, lines in user_config.items():
if config_file not in self.config_files:
raise ValueError("Unknown config file: '%s'" % config_file)
file_name = os.path.join(user_config_dir, config_file)
f = open(file_name, "w")
for line in lines:
f.write("%s\n" % line)
f.close()
def _create_world(self, world):
#Create /var/lib/portage/world
var_lib_portage = os.path.join(self.eroot, "var", "lib", "portage")
os.makedirs(var_lib_portage)
world_file = os.path.join(var_lib_portage, "world")
f = open(world_file, "w")
for atom in world:
f.write("%s\n" % atom)
f.close()
def _load_config(self):
env = {
"ACCEPT_KEYWORDS": "x86",
"PORTDIR": self.portdir,
'PORTAGE_TMPDIR' : os.path.join(self.eroot, 'var/tmp'),
}
# Pass along PORTAGE_USERNAME and PORTAGE_GRPNAME since they
# need to be inherited by ebuild subprocesses.
if 'PORTAGE_USERNAME' in os.environ:
env['PORTAGE_USERNAME'] = os.environ['PORTAGE_USERNAME']
if 'PORTAGE_GRPNAME' in os.environ:
env['PORTAGE_GRPNAME'] = os.environ['PORTAGE_GRPNAME']
settings = config(_eprefix=self.eprefix, env=env)
settings.lock()
trees = {
self.root: {
"vartree": vartree(settings=settings),
"porttree": portagetree(self.root, settings=settings),
"bintree": binarytree(self.root,
os.path.join(self.eroot, "usr/portage/packages"),
settings=settings)
}
}
for root, root_trees in trees.items():
settings = root_trees["vartree"].settings
settings._init_dirs()
setconfig = load_default_config(settings, root_trees)
root_trees["root_config"] = RootConfig(settings, root_trees, setconfig)
return settings, trees
def run(self, atoms, options={}, action=None):
options = options.copy()
options["--pretend"] = True
options["--quiet"] = True
if self.debug:
options["--debug"] = True
global_noiselimit = portage.util.noiselimit
global_emergelog_disable = _emerge.emergelog._disable
try:
if not self.debug:
portage.util.noiselimit = -2
_emerge.emergelog._disable = True
if options.get("--depclean"):
rval, cleanlist, ordered, req_pkg_count = \
calc_depclean(self.settings, self.trees, None,
options, "depclean", atoms, None)
result = ResolverPlaygroundDepcleanResult( \
atoms, rval, cleanlist, ordered, req_pkg_count)
else:
params = create_depgraph_params(options, action)
success, depgraph, favorites = backtrack_depgraph(
self.settings, self.trees, options, params, action, atoms, None)
depgraph.display_problems()
result = ResolverPlaygroundResult(atoms, success, depgraph, favorites)
finally:
portage.util.noiselimit = global_noiselimit
_emerge.emergelog._disable = global_emergelog_disable
return result
def run_TestCase(self, test_case):
if not isinstance(test_case, ResolverPlaygroundTestCase):
raise TypeError("ResolverPlayground needs a ResolverPlaygroundTestCase")
for atoms in test_case.requests:
result = self.run(atoms, test_case.options, test_case.action)
if not test_case.compare_with_result(result):
return
def cleanup(self):
portdb = self.trees[self.root]["porttree"].dbapi
portdb.close_caches()
portage.dbapi.porttree.portdbapi.portdbapi_instances.remove(portdb)
if self.debug:
print("\nEROOT=%s" % self.eroot)
else:
shutil.rmtree(self.eroot)
class ResolverPlaygroundTestCase(object):
def __init__(self, request, **kwargs):
self.all_permutations = kwargs.pop("all_permutations", False)
self.ignore_mergelist_order = kwargs.pop("ignore_mergelist_order", False)
self.check_repo_names = kwargs.pop("check_repo_names", False)
if self.all_permutations:
self.requests = list(permutations(request))
else:
self.requests = [request]
self.options = kwargs.pop("options", {})
self.action = kwargs.pop("action", None)
self.test_success = True
self.fail_msg = None
self._checks = kwargs.copy()
def compare_with_result(self, result):
checks = dict.fromkeys(result.checks)
for key, value in self._checks.items():
if not key in checks:
raise KeyError("Not an avaiable check: '%s'" % key)
checks[key] = value
fail_msgs = []
for key, value in checks.items():
got = getattr(result, key)
expected = value
if key in result.optional_checks and expected is None:
continue
if key == "mergelist":
if not self.check_repo_names:
#Strip repo names if we don't check them
if got:
new_got = []
for cpv in got:
a = Atom("="+cpv, allow_repo=True)
new_got.append(a.cpv)
got = new_got
if expected:
new_expected = []
for cpv in expected:
a = Atom("="+cpv, allow_repo=True)
new_expected.append(a.cpv)
expected = new_expected
if self.ignore_mergelist_order and got is not None:
got = set(got)
expected = set(expected)
elif key == "unstable_keywords" and expected is not None:
expected = set(expected)
if got != expected:
fail_msgs.append("atoms: (" + ", ".join(result.atoms) + "), key: " + \
key + ", expected: " + str(expected) + ", got: " + str(got))
if fail_msgs:
self.test_success = False
self.fail_msg = "\n".join(fail_msgs)
return False
return True
class ResolverPlaygroundResult(object):
checks = (
"success", "mergelist", "use_changes", "unstable_keywords", "slot_collision_solutions",
"circular_dependency_solutions",
)
optional_checks = (
)
def __init__(self, atoms, success, mydepgraph, favorites):
self.atoms = atoms
self.success = success
self.depgraph = mydepgraph
self.favorites = favorites
self.mergelist = None
self.use_changes = None
self.unstable_keywords = None
self.slot_collision_solutions = None
self.circular_dependency_solutions = None
if self.depgraph._dynamic_config._serialized_tasks_cache is not None:
self.mergelist = []
for x in self.depgraph._dynamic_config._serialized_tasks_cache:
if isinstance(x, Blocker):
self.mergelist.append(x.atom)
else:
repo_str = ""
if x.metadata["repository"] != "test_repo":
repo_str = _repo_separator + x.metadata["repository"]
self.mergelist.append(x.cpv + repo_str)
if self.depgraph._dynamic_config._needed_use_config_changes:
self.use_changes = {}
for pkg, needed_use_config_changes in \
self.depgraph._dynamic_config._needed_use_config_changes.items():
new_use, changes = needed_use_config_changes
self.use_changes[pkg.cpv] = changes
if self.depgraph._dynamic_config._needed_unstable_keywords:
self.unstable_keywords = set()
for pkg in self.depgraph._dynamic_config._needed_unstable_keywords:
self.unstable_keywords.add(pkg.cpv)
if self.depgraph._dynamic_config._slot_conflict_handler is not None:
self.slot_collision_solutions = []
handler = self.depgraph._dynamic_config._slot_conflict_handler
for solution in handler.solutions:
s = {}
for pkg in solution:
changes = {}
for flag, state in solution[pkg].items():
if state == "enabled":
changes[flag] = True
else:
changes[flag] = False
s[pkg.cpv] = changes
self.slot_collision_solutions.append(s)
if self.depgraph._dynamic_config._circular_dependency_handler is not None:
handler = self.depgraph._dynamic_config._circular_dependency_handler
sol = handler.solutions
self.circular_dependency_solutions = dict( zip([x.cpv for x in sol.keys()], sol.values()) )
class ResolverPlaygroundDepcleanResult(object):
checks = (
"success", "cleanlist", "ordered", "req_pkg_count",
)
optional_checks = (
"ordered", "req_pkg_count",
)
def __init__(self, atoms, rval, cleanlist, ordered, req_pkg_count):
self.atoms = atoms
self.success = rval == 0
self.cleanlist = cleanlist
self.ordered = ordered
self.req_pkg_count = req_pkg_count
|