feat(ecosystems): add support for Mageia ecosystem (#3101)

This commit duplicates the RedHat ecosystem class, as I believe Mageia
is distantly based off Red Hat and follows RPM version conventions.

osv/ecosystems/_ecosystems.py

@@ -24,6 +24,7 @@
 from .cran import CRAN
 from .debian import Debian
 from .haskell import Hackage, GHC
+from .mageia import Mageia
 from .maven import Maven
 from .nuget import NuGet
 from .packagist import Packagist
@@ -89,6 +90,7 @@
     'Go': 'https://',
     'Hackage': 'https://hackage.haskell.org/package/',
     'Hex': 'https://hex.pm/packages/',
+    'Mageia': 'https://madb.mageia.org/show?rpm=',
     'npm': 'https://www.npmjs.com/package/',
     'NuGet': 'https://www.nuget.org/packages/',
     'Packagist': 'https://packagist.org/packages/',
@@ -120,6 +122,9 @@ def get(name: str) -> Ecosystem:
   if name.startswith('AlmaLinux'):
     return AlmaLinux()
 
+  if name.startswith('Mageia'):
+    return Mageia()
+
   if name.startswith('Red Hat'):
     return RedHat()
 

osv/ecosystems/ecosystems_test.py

@@ -28,7 +28,8 @@ class EcosystemsTest(unittest.TestCase):
   def setUp(self):
     with open('osv/osv-schema/validation/schema.json') as schema_f:
       schema = json.load(schema_f)
-    self.schema_ecosystems = re.compile(schema['$defs']['ecosystem']['pattern'])
+    self.schema_ecosystems = re.compile(
+        schema['$defs']['ecosystemWithSuffix']['pattern'])
     self.canonical_ecosystems = _ecosystems._ecosystems.keys()  # pylint: disable=protected-access
 
   def test_ecosystem_supported_by_schema(self):

osv/ecosystems/mageia.py

@@ -0,0 +1,40 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Mageia ecosystem helper."""
+
+from ..third_party.univers.rpm import RpmVersion
+from .helper_base import Ecosystem
+
+
+class Mageia(Ecosystem):
+  """Mageia ecosystem"""
+
+  @property
+  def name(self):
+    return 'Mageia'
+
+  def sort_key(self, version):
+    return RpmVersion.from_string(version)
+
+  def enumerate_versions(self,
+                         package,
+                         introduced,
+                         fixed=None,
+                         last_affected=None,
+                         limits=None):
+    raise NotImplementedError('Ecosystem helper does not support enumeration')
+
+  @property
+  def supports_comparing(self):
+    return True

osv/ecosystems/mageia_test.py

@@ -0,0 +1,35 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Mageia ecosystem helper tests."""
+
+import unittest
+from .. import ecosystems
+
+
+class MageiaEcosystemTest(unittest.TestCase):
+  """Mageia ecosystem helper tests."""
+
+  def test_mageia(self):
+    """Test sort_key"""
+    ecosystem = ecosystems.get('Mageia')
+    self.assertEqual('Mageia', ecosystem.name)
+    self.assertGreater(
+        ecosystem.sort_key('3.2.7-1.2.mga9'),
+        ecosystem.sort_key('3.2.7-1.mga9'))
+    self.assertGreater(
+        ecosystem.sort_key('3.2.7-1.2.mga9'), ecosystem.sort_key('0'))
+    self.assertLess(ecosystem.sort_key('invalid'), ecosystem.sort_key('0'))
+    self.assertGreater(
+        ecosystem.sort_key('1:1.8.11-1.mga9'),
+        ecosystem.sort_key('0:1.9.1-2.mga9'))

source_test.yaml

@@ -219,6 +219,7 @@
   human_link: 'https://advisories.mageia.org/{{ BUG_ID }}.html'
   link: 'https://advisories.mageia.org/'
   editable: False
+  strict_validation: True
 
 - name: 'malicious-packages'
   versions_from_repo: False