add server codes to errors

Author: Valeriya Popova

tests/test_errors.py

@@ -0,0 +1,17 @@
+import ydb
+import pytest
+
+from os import path
+
+
+def test_scheme_error(driver_sync, database):
+    session = driver_sync.table_client.session().create()
+    with pytest.raises(ydb.issues.SchemeError) as exc:
+        session.drop_table(path.join(database, "foobartable"))
+
+    server_code = ydb.issues.StatusCode.SCHEME_ERROR
+
+    assert type(exc.value) == ydb.issues.SchemeError
+    assert exc.value.status == server_code
+    assert f"server_code: {server_code}" in str(exc.value)
+    assert "Path does not exist" in str(exc.value)

ydb/issues.py

@@ -159,11 +159,18 @@ class SessionPoolEmpty(Error, queue.Empty):
 def _format_issues(issues):
     if not issues:
         return ""
+
     return " ,".join(
-        [text_format.MessageToString(issue, False, True) for issue in issues]
+        text_format.MessageToString(issue, as_utf8=False, as_one_line=True)
+        for issue in issues
     )
 
 
+def _format_response(response):
+    fmt_issues = _format_issues(response.issues)
+    return f"{fmt_issues} (server_code: {response.status})"
+
+
 _success_status_codes = {StatusCode.STATUS_CODE_UNSPECIFIED, StatusCode.SUCCESS}
 _server_side_error_map = {
     StatusCode.BAD_REQUEST: BadRequest,
@@ -190,4 +197,4 @@ def _format_issues(issues):
 def _process_response(response_proto):
     if response_proto.status not in _success_status_codes:
         exc_obj = _server_side_error_map.get(response_proto.status)
-        raise exc_obj(_format_issues(response_proto.issues), response_proto.issues)
+        raise exc_obj(_format_response(response_proto), response_proto.issues)