From 7cf68f3c7ddaec63dac671a2e57ddb6f668cb067 Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Wed, 9 Nov 2016 10:47:41 -0500
Subject: Python 3.3 added a long to the .pyc format.

---
 lab/show_pyc.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lab')

diff --git a/lab/show_pyc.py b/lab/show_pyc.py
index 4a8801a4..0a28e4fb 100644
--- a/lab/show_pyc.py
+++ b/lab/show_pyc.py
@@ -17,6 +17,10 @@ def show_pyc_file(fname):
     modtime = time.asctime(time.localtime(struct.unpack('<L', moddate)[0]))
     print("magic %s" % (binascii.hexlify(magic)))
     print("moddate %s (%s)" % (binascii.hexlify(moddate), modtime))
+    if sys.version_info >= (3, 3):
+        # 3.3 added another long to the header (size).
+        size = f.read(4)
+        print("pysize %s (%d)" % (binascii.hexlify(size), struct.unpack('<L', size)[0]))
     code = marshal.load(f)
     show_code(code)
 
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