Impliment file_uris (#46)

tests/test_xdlake.py

@@ -332,5 +332,14 @@ def gen_frames():
                 xdl.to_pyarrow_table()
             )
 
+    def test_file_uris(self):
+        number_of_writes = 3
+        xdl = xdlake.DeltaTable(f"{self.scratch_folder}/{uuid4()}")
+        for _ in range(number_of_writes):
+            xdl = xdl.write(self.gen_table())
+        self.assertEqual(number_of_writes, len(xdl.file_uris()))
+        for uri in xdl.file_uris():
+            self.assertTrue(uri.startswith("file://"))
+
 if __name__ == '__main__':
     unittest.main()

xdlake/__init__.py

@@ -119,6 +119,11 @@ def get_fragments(self) -> dict[str, list[pyarrow.dataset.Fragment]]:
             fragments[loc.fs].append(fragment)
         return dict(fragments)
 
+    def file_uris(self) -> list[str]:
+        """Return the URI for each file in the current version of the table."""
+        return [storage.absloc(add.path, self.loc).url
+                for add in self.adds.values()]
+
     def to_pyarrow_dataset(self) -> pyarrow.dataset.Dataset:
         """Return arrow dataset."""
         datasets = list()