Work around python 3.8 lack of support for type unions

Author: softwareengineerprogrammer

src/hip_ra/__init__.py

@@ -4,22 +4,24 @@
 import tempfile
 import uuid
 from pathlib import Path
-from types import MappingProxyType
+from typing import Any
 
 from geophires_x_client.common import _get_logger
 from hip_ra import HIP_RA
 
 
 class HipRaInputParameters:
 
-    def __init__(self, file_path_or_params_dict: str | MappingProxyType):
+    def __init__(self, file_path_or_params_dict: Any):
         if isinstance(file_path_or_params_dict, dict):
             tmp_file_path = Path(tempfile.gettempdir(), f'hip-ra-params_{uuid.uuid1()}.txt')
             with open(tmp_file_path, 'w') as f:
                 f.writelines(
                     [', '.join([str(p) for p in param_item]) + '\n' for param_item in file_path_or_params_dict.items()]
                 )
             file_path_or_params_dict = str(tmp_file_path)
+        elif not isinstance(file_path_or_params_dict, (str, Path)):
+            raise ValueError('Provide either file path as string or parameters as dict')
 
         self._input_file_path = Path(file_path_or_params_dict)
         self._output_file_path = Path(

tests/hip_ra_x_tests/test_hip_ra_x.py

@@ -445,6 +445,9 @@ def test_hip_ra_input_parameters_init(self):
                 input_file_contents,
             )
 
+        with self.assertRaises(ValueError):
+            HipRaInputParameters(1)
+
     def _new_hip_ra_test_instance(self, enable_hip_ra_logging_config=False, pre_re_stash_runner=None) -> HIP_RA_X:
         stash_cwd = Path.cwd()
         stash_sys_argv = sys.argv