amalgamate.py

@@ -5,7 +5,8 @@ import sys
 import time
 from typing import List, Dict
 
-assert os.system("python prebuild.py") == 0
+if os.system("python prebuild.py") != 0:
+    assert os.system("python3 prebuild.py") == 0
 
 ROOT = 'include/pocketpy'
 PUBLIC_HEADERS = ['config.h', 'export.h', 'linalg.h', 'pocketpy.h']

python/builtins.py

@@ -82,11 +82,24 @@ def sorted(iterable, key=None, reverse=False):
     return a
 
 def dir(obj=None):
+    """
+    dir([object]) -> list of strings
+    
+    If called without an argument, return the names in the current scope.
+    Else, return an alphabetized list of names comprising (some of) the attributes
+    of the given object, and of attributes reachable from it.
+    If the object supplies a method named __dir__, it will be used; otherwise
+    the default dir() logic is used and returns:
+      for a module object: the module's attributes.
+      for a class object: its attributes.
+      for any other object: its attributes, its class's attributes.
+    """
+    
     if obj is None:
         return list(globals().keys())
     
     if hasattr(obj, "__dir__"):
-        return obj.__dir__()
+        return obj.__dir__
     
     attributes = set()
     # Set object attributes.