--- contrib/python/importlib-metadata/py3/.dist-info/METADATA	(index)
+++ contrib/python/importlib-metadata/py3/.dist-info/METADATA	(working tree)
@@ -15,1 +15,0 @@ Classifier: License :: OSI Approved :: Apache Software License
-Requires-Dist: zipp>=3.20
--- contrib/python/importlib-metadata/py3/importlib_metadata/__init__.py	(index)
+++ contrib/python/importlib-metadata/py3/importlib_metadata/__init__.py	(working tree)
@@ -796,6 +795,59 @@ class PathDistribution(Distribution):
         return name
 
 
+class ArcadiaDistribution(Distribution):
+    def __init__(self, prefix):
+        self._prefix = prefix
+        self._path = pathlib.Path(prefix)
+
+    def read_text(self, filename):
+        data = res.resfs_read(f"{self._prefix}{filename}")
+        if data is not None:
+            return data.decode("utf-8")
+
+    read_text.__doc__ = Distribution.read_text.__doc__
+
+    def locate_file(self, path):
+        return self._path.parent / path
+
+
+@install
+class MetadataArcadiaFinder(DistributionFinder):
+    METADATA_NAME = re.compile("^Name: (.*)$", re.MULTILINE)
+    prefixes = {}
+
+    @classmethod
+    def find_distributions(cls, context=DistributionFinder.Context()):
+        found = cls._search_prefixes(context.name)
+        return map(ArcadiaDistribution, found)
+
+    @classmethod
+    def _init_prefixes(cls):
+        cls.prefixes.clear()
+
+        for resource in res.resfs_files():
+            resource = resource.decode("utf-8")
+            if not resource.endswith("METADATA"):
+                continue
+            data = res.resfs_read(resource).decode("utf-8")
+            metadata_name = cls.METADATA_NAME.search(data)
+            if metadata_name:
+                cls.prefixes[Prepared(metadata_name.group(1)).normalized] = resource.removesuffix("METADATA")
+
+    @classmethod
+    def _search_prefixes(cls, name):
+        if not cls.prefixes:
+            cls._init_prefixes()
+
+        if name:
+            try:
+                yield cls.prefixes[Prepared(name).normalized]
+            except KeyError:
+                pass
+        else:
+            yield from sorted(cls.prefixes.values())
+
+
 def distribution(distribution_name: str) -> Distribution:
     """Get the ``Distribution`` instance for the named package.