Also log Python and NumPy (not just JPype) version.

This makes bug reporting clearer in the case where users paste the
console output of the test suite, specifically the "discovery" part.

Author: john-hen

mph/client.py

@@ -8,6 +8,7 @@
 
 import jpype
 import jpype.imports                      # noqa: F401 (imported, but not used)
+
 import os
 import faulthandler
 from pathlib import Path
@@ -182,7 +183,6 @@ def __init__(self,
         standalone = host and not port
 
         # Start the Java virtual machine.
-        log.debug(f'JPype version is {jpype.__version__}.')
         log.info('Starting Java virtual machine.')
         root = backend['root']
         args = [str(backend['jvm'])]

mph/discovery.py

@@ -24,8 +24,12 @@
 
 from __future__ import annotations
 
+from numpy import __version__ as numpy_version
+from jpype import __version__ as jpype_version
+
 import platform
 import subprocess
+import sys
 import re
 from pathlib   import Path
 from functools import lru_cache
@@ -278,6 +282,11 @@ def find_backends() -> list[Backend]:
     # Detect platform architecture.
     arch = detect_architecture()
 
+    # Log relevant software versions for easier bug reporting.
+    log.debug(f'Python version is "{sys.version}".')
+    log.debug(f'NumPy version is {numpy_version}.')
+    log.debug(f'JPype version is {jpype_version}.')
+
     # Search system for Comsol executables.
     if system == 'Windows':
         executables = search_registry(arch)

mph/model.py

@@ -6,6 +6,7 @@
 
 from numpy    import array, ndarray
 from numpy    import integer
+
 from pathlib  import Path
 from re       import match
 from logging  import getLogger

mph/node.py

@@ -4,6 +4,7 @@
 
 from jpype     import JBoolean, JInt, JDouble, JString, JArray, JClass
 from numpy     import array, ndarray, integer
+
 from pathlib   import Path
 from re        import split
 from json      import load as json_load

mph/session.py

@@ -7,6 +7,7 @@
 from .config import option
 
 import jpype
+
 import atexit
 import sys
 import platform