Add basic support for maps

betterproto/tests/generate.py

@@ -48,7 +48,7 @@ if __name__ == "__main__":
         json_files = get_files(".json")
 
     for filename in proto_files:
-        print(f"Generatinng code for {os.path.basename(filename)}")
+        print(f"Generating code for {os.path.basename(filename)}")
         subprocess.run(
             f"protoc --python_out=. {os.path.basename(filename)}", shell=True
         )

betterproto/tests/map.json

@@ -0,0 +1,7 @@
+{
+  "counts": {
+    "item1": 1,
+    "item2": 2,
+    "item3": 3
+  }
+}

betterproto/tests/map.proto

@@ -0,0 +1,5 @@
+syntax = "proto3";
+
+message Test {
+    map<string, int32> counts = 1;
+}