Save relative path in python files

dyn2py/__init__.py

@@ -199,7 +199,10 @@ def run(options: Options) -> None:
 
         elif f.is_python_file():
             logging.debug("Source is a Python file")
+            try:
                 f.update_dynamo(options)
+            except FileNotFoundError:
+                logging.error(f"Source Dynamo file not found! {f.filepath}")
 
     # Write files at the end:
     for f in DynamoFile.open_files | PythonFile.open_files:

dyn2py/files.py

@@ -410,10 +410,10 @@ class PythonFile(File):
                 "Do not edit this section, if you want to update the Dynamo graph!"
             ])
 
-            # Double escape path:
+            # Calculate relative path, change to forward slash
-            dyn_path_string = str(dynamo_file.realpath)
+            dyn_path_string = os.path.relpath(dynamo_file.filepath, self.dirpath)
             if "\\" in dyn_path_string:
-                dyn_path_string = dyn_path_string.replace("\\", "\\\\")
+                dyn_path_string = dyn_path_string.replace("\\", "/")
 
             self.header_data = {
                 "dyn2py_version": METADATA["Version"],
@@ -548,8 +548,16 @@ class PythonFile(File):
         # Open if it's the first time:
         if not dynamo_file:
 
-            dynamo_file = DynamoFile(
+            cwd = pathlib.Path(os.getcwd()).resolve()
-                pathlib.Path(self.header_data["dyn_path"]))
+            # Change to pythonfiles' dir:
+            os.chdir(self.dirpath)
+            
+            dynpath = os.path.realpath(self.header_data["dyn_path"])
+            logging.debug(f"Resolved path: {dynpath}")
+            
+            # Change back to the original path:
+            os.chdir(cwd)
+            dynamo_file = DynamoFile(pathlib.Path(dynpath))
 
             # Check if uuid is ok:
             if not dynamo_file.uuid == self.header_data["dyn_uuid"]: