Update app.py

app.py

@@ -27,11 +27,7 @@ SAFE_BUILTINS = {
     "pow": pow, "print": print, "range": range, "repr": repr, "reversed": reversed,
     "round": round, "set": set, "slice": slice, "sorted": sorted, "str": str,
     "sum": sum, "tuple": tuple, "type": type, "zip": zip,
-}
-
-DANGEROUS_NAMES = {
-    "open", "compile", "eval", "exec", "__import__", "input",
-    "globals", "locals", "vars", "exit", "quit",
+    "__import__": __import__,   # ✅ لازم برای import
 }
 
 
@@ -80,12 +76,12 @@ def _worker(code: str, stdin_data: str, mem_limit_mb: int, cpu_limit_s: int, q:
         orig_stdout, orig_stderr, orig_stdin = sys.stdout, sys.stderr, sys.stdin
         sys.stdout, sys.stderr, sys.stdin = stdout_buf, stderr_buf, io.StringIO(stdin_data or "")
 
-        # Check imports and install missing ones
+        # Install missing packages if needed
         imports = _parse_imports(code)
         if imports:
             _install_missing(imports)
 
-        safe_globals = {"__builtins__": SAFE_BUILTINS.copy()}
+        safe_globals = {"__builtins__": SAFE_BUILTINS}
 
         exec(compile(code, filename="<user_code>", mode="exec"), safe_globals, None)