Get --exclude to work with --depclean and --prune

Thanks to forum member 'krinn' for the suggestion

3 files changed, 109 insertions, 2 deletions

diff --git a/pym/_emerge/actions.py b/pym/_emerge/actions.py
index 92eb18b74..07b5d7b9e 100644
--- a/pym/_emerge/actions.py
+++ b/pym/_emerge/actions.py
@@ -623,6 +623,7 @@ def calc_depclean(settings, trees, ldpath_mtimes,
 	deselect = myopts.get('--deselect') != 'n'
 	required_sets = {}
 	required_sets['world'] = psets['world']
+	excluded_set = InternalPackageSet(initial_atoms=myopts.get('--exclude'))
 
 	# When removing packages, a temporary version of the world 'selected'
 	# set may be used which excludes packages that are intended to be
@@ -675,7 +676,8 @@ def calc_depclean(settings, trees, ldpath_mtimes,
 			# by an argument atom since we don't want to clean any
 			# package if something depends on it.
 			for pkg in vardb:
-				spinner.update()
+				if spinner:
+					spinner.update()
 
 				try:
 					if args_set.findAtomForPackage(pkg) is None:
@@ -741,6 +743,22 @@ def calc_depclean(settings, trees, ldpath_mtimes,
 				protected_set.add("=" + pkg.cpv)
 				continue
 
+	if excluded_set:
+		required_sets['__excluded__'] = InternalPackageSet()
+
+		for pkg in vardb:
+			if spinner:
+				spinner.update()
+
+			try:
+				if excluded_set.findAtomForPackage(pkg):
+					required_sets['__excluded__'].add("=" + pkg.cpv)
+			except portage.exception.InvalidDependString as e:
+				show_invalid_depstring_notice(pkg,
+					pkg.metadata["PROVIDE"], str(e))
+				del e
+				required_sets['__excluded__'].add("=" + pkg.cpv)
+
 	success = resolver._complete_graph(required_sets={myroot:required_sets})
 	writemsg_level("\b\b... done!\n")
 
diff --git a/pym/portage/tests/resolver/ResolverPlayground.py b/pym/portage/tests/resolver/ResolverPlayground.py
index be1c29470..e3253e4af 100644
--- a/pym/portage/tests/resolver/ResolverPlayground.py
+++ b/pym/portage/tests/resolver/ResolverPlayground.py
@@ -14,6 +14,7 @@ from portage.dep import Atom, _repo_separator
 from portage.package.ebuild.config import config
 from portage.package.ebuild.digestgen import digestgen
 from portage._sets import load_default_config
+from portage._sets.base import InternalPackageSet
 from portage.versions import catsplit
 
 import _emerge
@@ -424,7 +425,7 @@ class ResolverPlayground(object):
 			if options.get("--depclean"):
 				rval, cleanlist, ordered, req_pkg_count = \
 					calc_depclean(self.settings, self.trees, None,
-					options, "depclean", atoms, None)
+					options, "depclean", InternalPackageSet(initial_atoms=atoms), None)
 				result = ResolverPlaygroundDepcleanResult( \
 					atoms, rval, cleanlist, ordered, req_pkg_count)
 			else:
diff --git a/pym/portage/tests/resolver/test_depclean.py b/pym/portage/tests/resolver/test_depclean.py
index 89e7a8aa3..4ea24e728 100644
--- a/pym/portage/tests/resolver/test_depclean.py
+++ b/pym/portage/tests/resolver/test_depclean.py
@@ -117,3 +117,91 @@ class DepcleanWithInstalledMaskedTestCase(TestCase):
 				self.assertEqual(test_case.test_success, True, test_case.fail_msg)
 		finally:
 			playground.cleanup()
+
+class DepcleanWithExcludeTestCase(TestCase):
+
+	def testepcleanWithExclude(self):
+
+		installed = {
+			"dev-libs/A-1": {},
+			"dev-libs/B-1": { "RDEPEND": "dev-libs/A" },
+			}
+
+		test_cases = (
+			#Without --exclude.
+			ResolverPlaygroundTestCase(
+				[],
+				options = {"--depclean": True},
+				success = True,
+				cleanlist = ["dev-libs/B-1", "dev-libs/A-1"]),
+			ResolverPlaygroundTestCase(
+				["dev-libs/A"],
+				options = {"--depclean": True},
+				success = True,
+				cleanlist = []),
+			ResolverPlaygroundTestCase(
+				["dev-libs/B"],
+				options = {"--depclean": True},
+				success = True,
+				cleanlist = ["dev-libs/B-1"]),
+
+			#With --exclude
+			ResolverPlaygroundTestCase(
+				[],
+				options = {"--depclean": True, "--exclude": ["dev-libs/A"]},
+				success = True,
+				cleanlist = ["dev-libs/B-1"]),
+			ResolverPlaygroundTestCase(
+				["dev-libs/B"],
+				options = {"--depclean": True, "--exclude": ["dev-libs/B"]},
+				success = True,
+				cleanlist = []),
+			)
+
+		playground = ResolverPlayground(installed=installed)
+		try:
+			for test_case in test_cases:
+				playground.run_TestCase(test_case)
+				self.assertEqual(test_case.test_success, True, test_case.fail_msg)
+		finally:
+			playground.cleanup()
+
+class DepcleanWithExcludeAndSlotsTestCase(TestCase):
+
+	def testepcleanWithExcludeAndSlots(self):
+
+		installed = {
+			"dev-libs/Z-1": { "SLOT": 1},
+			"dev-libs/Z-2": { "SLOT": 2},
+			"dev-libs/Y-1": { "RDEPEND": "=dev-libs/Z-1", "SLOT": 1 },
+			"dev-libs/Y-2": { "RDEPEND": "=dev-libs/Z-2", "SLOT": 2 },
+			}
+
+		world = [ "dev-libs/Y" ]
+
+		test_cases = (
+			#Without --exclude.
+			ResolverPlaygroundTestCase(
+				[],
+				options = {"--depclean": True},
+				success = True,
+				cleanlist = ["dev-libs/Y-1", "dev-libs/Z-1"]),
+			ResolverPlaygroundTestCase(
+				[],
+				options = {"--depclean": True, "--exclude": ["dev-libs/Z"]},
+				success = True,
+				cleanlist = ["dev-libs/Y-1"]),
+			ResolverPlaygroundTestCase(
+				[],
+				options = {"--depclean": True, "--exclude": ["dev-libs/Y"]},
+				success = True,
+				cleanlist = []),
+			)
+
+		playground = ResolverPlayground(installed=installed, world=world)
+		try:
+			for test_case in test_cases:
+				playground.run_TestCase(test_case)
+				self.assertEqual(test_case.test_success, True, test_case.fail_msg)
+		finally:
+			playground.cleanup()