Prepare for release:

* Fix bug relating to loadfile
* Update documentation a little
* Ensure open debug file is closed
* Add test on debug files

Author: jgray-19

src/pymadng/madp_object.py

@@ -64,7 +64,7 @@ def __init__(
         self,
         mad_path: str | Path = None,
         py_name: str = "py",
-        debug: int | str | bool = False,
+        debug: int | str | Path | bool = False,
         num_temp_vars: int = 8,
         ipython_use_jedi: bool = False,
     ):
@@ -76,7 +76,7 @@ def __init__(
         Args:
           mad_path (str): The path to the mad executable, for the default value of None, the one that comes with pymadng package will be used
           py_name (str): The name used to interact with the python process from MAD
-          debug (bool): Sets debug mode on or off
+          debug (int| str | Path | bool): Sets debug mode on or off. If an int is given, it is expected to be a file descriptor. If a string or Path is given, it is expected to be a file path, and will open this file to write to. If true, it will write to the stdout, and if false no debug information will be written.
           num_temp_vars (int): The number of unique temporary variables you intend to use, see :doc:`Managing References <ex-managing-refs>`
           ipython_use_jedi (bool): Allow ipython to use jedi in tab completion, will be slower and may result in MAD-NG throwing errors
 
@@ -222,6 +222,7 @@ def send_tpsa(self, monos: np.ndarray, coefficients: np.ndarray):
           AssertionError: The number of monomials and coefficients must be identical.
           AssertionError: The monomials must be of type 8-bit unsigned integer
         """
+        print("Sending TPSA")
         self.__process.send_tpsa(monos, coefficients)
 
     def send_cpx_tpsa(self, monos: np.ndarray, coefficients: np.ndarray):
@@ -306,7 +307,8 @@ def loadfile(self, path: str | Path, *vars: str):
         else:
             # The parent/stem is necessary, otherwise the file will not be found
             # This is thanks to the way the require function works in MAD-NG (how it searches for files)
-            script = f"local __req = require('{path.parent/path.stem}')"
+            script = f"package.path = '{path.parent}/?.mad;' .. package.path\n"
+            script += f"local __req = require('{path.stem}')"
             for var in vars:
                 script += f"{var} = __req.{var}\n"
             self.__process.send(script)

src/pymadng/madp_pymad.py

@@ -29,7 +29,7 @@ def __init__(
         self,
         mad_path: str | Path,
         py_name: str = "py",
-        debug: int | str | bool = False,
+        debug: int | str | Path | bool = False,
     ) -> None:
         self.py_name = py_name
 
@@ -44,9 +44,10 @@ def __init__(
         # Open the pipes for communication to MAD (the stdin of MAD)
         self.mad_input_stream = os.fdopen(self.mad_input_pipe, "wb", buffering=0)
 
-        if isinstance(debug, str):
-            debug_file = open(debug, "w")
-            stdout = debug_file.fileno()
+        if isinstance(debug, str) or isinstance(debug, Path):
+            debug = Path(debug)
+            self.debug_file = open(debug, "w")
+            stdout = self.debug_file.fileno()
         elif isinstance(debug, bool):
             stdout = sys.stdout.fileno()
         elif isinstance(debug, int):
@@ -213,6 +214,12 @@ def close(self) -> None:
                         f"Unexpected message received: {close_msg}, MAD-NG may not have completed properly"
                     )
             self.process.terminate()  # Terminate the process on the python side
+        
+        # Close the debug file if it exists
+        try:
+            self.debug_file.close()
+        except AttributeError:
+            pass
 
         # Close the pipes
         if not self.mad_read_stream.closed: