From: José Fonseca <jrfonseca@tungstengraphics.com>
Date: Wed, 9 Jul 2008 03:18:26 +0000 (+0900)
Subject: Auxiliary debugging module.
X-Git-Url: https://git.cworth.org/git?a=commitdiff_plain;h=ae4dc6dd100a095d3e5ad7e7b5e89f58ffda9d91;p=apitrace

Auxiliary debugging module.
---

diff --git a/debug.py b/debug.py
new file mode 100644
index 0000000..b425e28
--- /dev/null
+++ b/debug.py
@@ -0,0 +1,36 @@
+'''Debugging utilities.'''
+
+
+import sys
+import traceback
+import inspect
+
+
+def excepthook(type, value, tb):
+	"""
+	Automatically start the debugger on an exception.
+
+	See also:
+	- http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/65287
+	"""
+
+	if hasattr(sys, 'ps1') \
+	or not (sys.stdin.isatty() and sys.stdout.isatty() and sys.stderr.isatty()) \
+	or type == SyntaxError or type == KeyboardInterrupt:
+		# we are in interactive mode or we don't have a tty-like
+		# device, so we call the default hook
+		oldexcepthook(type, value, tb)
+	else:
+		import traceback, pdb
+		# we are NOT in interactive mode, print the exception...
+		traceback.print_exception(type, value, tb)
+		print
+		# ...then start the debugger in post-mortem mode.
+		pdb.pm()
+
+oldexcepthook, sys.excepthook = sys.excepthook, excepthook
+
+
+def dump(var):
+	sys.stderr.write(repr(var) + '\n')
+