directory: add peers_and_owners property (bug 1836340) (#70)

src/mots/directory.py

@@ -9,6 +9,7 @@
 from collections import defaultdict
 from dataclasses import asdict
 from dataclasses import dataclass
+from itertools import chain
 import logging
 from mots.module import Module
 from mots.utils import parse_real_name
@@ -118,6 +119,20 @@ def query(self, *paths: str) -> "QueryResult":
 
         return QueryResult(result, rejected)
 
+    @property
+    def peers_and_owners(self):
+        """Return a sorted list of all peers and owners."""
+        all_modules = self.modules
+        all_submodules = list(chain(*[module.submodules for module in all_modules]))
+        modules_and_submodules = all_modules + all_submodules
+
+        peers_and_owners = set()
+        for module in modules_and_submodules:
+            peers_and_owners.update(
+                [person["bmo_id"] for person in module.peers + module.owners]
+            )
+        return sorted(list(peers_and_owners))
+
 
 class QueryResult:
     """Helper class to simplify query result interpretation."""

tests/test_directory.py

@@ -184,3 +184,9 @@ def test_directory__QueryResult_empty_addition():
     empty_result = QueryResult()
     other_empty_result = QueryResult()
     assert not (empty_result + other_empty_result)
+
+
+def test_directory__peers_and_owners(repo):
+    file_config = FileConfig(repo / "mots.yml")
+    directory = Directory(file_config)
+    assert directory.peers_and_owners == [0, 1, 2]