fix(pmpm): import pmpm for post-install-hook

Author: Xmader

python/pminit/post-install-hook.py

@@ -1,13 +1,28 @@
 import os
-from . import pmpm
+import sys
+import importlib
+import importlib.util
 
 WORK_DIR = os.path.join(
-    os.path.realpath(os.path.dirname(__file__)),
-    "pythonmonkey"
+  os.path.realpath(os.path.dirname(__file__)),
+  "pythonmonkey"
 )
 
+def import_file(module_name: str, file_path: str):
+  """
+  Import a Python file from its relative path directly.
+
+  See https://docs.python.org/3/library/importlib.html#importing-a-source-file-directly
+  """
+  spec = importlib.util.spec_from_file_location(module_name, file_path)
+  module = importlib.util.module_from_spec(spec) # type: ignore
+  sys.modules[module_name] = module
+  spec.loader.exec_module(module) # type: ignore
+  return module
+
 def main():
-    pmpm.main(WORK_DIR) # cd pythonmonkey && npm i
+  pmpm = import_file("pmpm", os.path.join(os.path.dirname(__file__), "./pmpm.py")) # from . import pmpm
+  pmpm.main(WORK_DIR) # cd pythonmonkey && npm i
 
 if __name__ == "__main__":
-    main()
+  main()