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BinaryPackageUniverse: Implement packages_equivalent_to()

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Signed-off-by: Niels Thykier <niels@thykier.net>
This commit is contained in:
Niels Thykier 2018-10-31 06:55:55 +00:00
parent 530db5d3f7
commit d557610c6f
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GPG Key ID: A65B78DBE67C7AAC
3 changed files with 9 additions and 7 deletions
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6
britney2/installability/builder.py
View File

@ -373,6 +373,7 @@ class InstallabilityTesterBuilder(object):
eqv_table = {}
relations = {}
emptyset = frozenset()
intern_set = self._intern_set
for pkg in reverse_package_table:
rdeps = reverse_package_table[pkg][2]
@ -385,7 +386,8 @@ class InstallabilityTesterBuilder(object):
find_eqv_table[ekey].append(pkg)
for pkg_relations, pkg_list in find_eqv_table.items():
rel = BinaryPackageRelation(pkg_relations[0], pkg_relations[1], reverse_package_table[pkg_list[0]][0])
rdeps = reverse_package_table[pkg_list[0]][0]
rel = BinaryPackageRelation(intern_set(pkg_list), pkg_relations[0], pkg_relations[1], rdeps)
if len(pkg_list) < 2:
relations[pkg_list[0]] = rel
continue
@ -398,7 +400,7 @@ class InstallabilityTesterBuilder(object):
for pkg, forward_relations in package_table.items():
if pkg in relations:
continue
rel = BinaryPackageRelation(forward_relations[0], forward_relations[1], emptyset)
rel = BinaryPackageRelation(intern_set((pkg,)), forward_relations[0], forward_relations[1], emptyset)
relations[pkg] = rel
return relations, eqv_table

3
britney2/installability/tester.py
View File

@ -106,8 +106,7 @@ class InstallabilityTester(object):
the package dependency graph (i.e. relations can not tell
them apart semantically except for their name). Otherwise False
"""
eqv_table = self._eqv_table
return pkg_id1 in eqv_table and pkg_id2 in eqv_table[pkg_id1]
return self._universe.are_equivalent(pkg_id1, pkg_id2)
def reverse_dependencies_of(self, pkg_id):
"""Returns the set of reverse dependencies of a given package

7
britney2/installability/universe.py
View File

@ -16,9 +16,10 @@
class BinaryPackageRelation(object):
"""All relations of a given binary package"""
__slots__ = ['dependencies', 'negative_dependencies', 'reverse_dependencies']
__slots__ = ['pkg_ids', 'dependencies', 'negative_dependencies', 'reverse_dependencies']
def __init__(self, dependencies, negative_dependencies, reverse_dependencies):
def __init__(self, pkg_ids, dependencies, negative_dependencies, reverse_dependencies):
self.pkg_ids = pkg_ids
self.dependencies = dependencies
self.negative_dependencies = negative_dependencies
self.reverse_dependencies = reverse_dependencies
@ -97,7 +98,7 @@ class BinaryPackageUniverse(object):
input package. Note that this set always includes the input
package assuming it is a known package.
"""
return NotImplemented
return self._relations[pkg_id].pkg_ids
def relations_of(self, pkg_id):
"""Get the direct relations of a given packge