trying again

Author: alphaville

open-codegen/opengen/config/build_config.py

@@ -105,7 +105,11 @@ def open_version(self):
     @property
     def local_path(self):
         """Local path of OpEn (if any)"""
-        return self.__local_path
+        if self.__local_path is None:
+            return None
+        # Cargo.toml accepts forward slashes on Windows, while raw backslashes
+        # inside TOML strings are treated as escape sequences.
+        return self.__local_path.replace("\\", "/")
 
     @property
     def build_c_bindings(self):
@@ -231,7 +235,7 @@ def with_open_version(self, open_version="*", local_path=None):
         :return: current instance of BuildConfiguration
         """
         self.__open_version = open_version
-        self.__local_path = local_path
+        self.__local_path = None if local_path is None else str(local_path)
         return self
 
     def with_build_c_bindings(self, build_c_bindings=True):

open-codegen/test/test.py

@@ -10,11 +10,26 @@
 import subprocess
 import logging
 import numpy as np
+from pathlib import PureWindowsPath
 
 
 
 
 
+class BuildConfigurationTestCase(unittest.TestCase):
+
+    def test_local_path_is_toml_safe_on_windows(self):
+        # some windows-type path...
+        windows_style_path = PureWindowsPath("C:/temp/optimization-engine")
+        build_config = og.config.BuildConfiguration() \
+            .with_open_version(local_path=windows_style_path)
+
+        self.assertEqual(
+            "C:/temp/optimization-engine",
+            build_config.local_path
+        )
+
+
 class RustBuildTestCase(unittest.TestCase):
 
     TEST_DIR = ".python_test_build"