From 1fdae12c93246fcf4abbf882ba08df789070dfcc Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 4 Feb 2000 17:47:55 +0000
Subject: [PATCH] Added a simple test program to disassemble a file, invoked as
__main__.
---
Lib/dis.py | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/Lib/dis.py b/Lib/dis.py
index a03784cff9..4c6764209c 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -251,3 +251,30 @@ def_op('RAISE_VARARGS', 130)
def_op('CALL_FUNCTION', 131)
def_op('MAKE_FUNCTION', 132)
def_op('BUILD_SLICE', 133)
+
+
+def _test():
+ """Simple test program to disassemble a file."""
+ if sys.argv[1:]:
+ if sys.argv[2:]:
+ sys.stderr.write("usage: python dis.py [-|file]\n")
+ sys.exit(2)
+ fn = sys.argv[1]
+ if not fn or fn == "-":
+ fn = None
+ else:
+ fn = None
+ if not fn:
+ f = sys.stdin
+ else:
+ f = open(fn)
+ source = f.read()
+ if fn:
+ f.close()
+ else:
+ fn = "<stdin>"
+ code = compile(source, fn, "exec")
+ dis(code)
+
+if __name__ == "__main__":
+ _test()
--
2.49.0