gramps/gramps/gen/utils/debug.py
2014-02-16 13:57:47 +02:00

95 lines
3.1 KiB
Python

#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2007 Donald N. Allingham
# Copyright (C) 2009 Gary Burton
# Copyright (C) 2011 Tim G L Lyons
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
"""
Debugging utilities
"""
from __future__ import print_function
#-------------------------------------------------------------------------
#
# Debugging utilities
#
#-------------------------------------------------------------------------
def profile(func, *args, **kwargs):
import hotshot.stats
prf = hotshot.Profile('mystats.profile')
print("Start")
r = prf.runcall(func, *args, **kwargs)
print("Finished")
prf.close()
print("Loading profile")
stats = hotshot.stats.load('mystats.profile')
print("done")
stats.strip_dirs()
stats.sort_stats('time', 'calls')
stats.print_stats(100)
stats.print_callers(100)
return r
def format_exception(tb_type=None, tb_value=None, tb=None):
"""
Get the usual traceback information, followed by a listing of all the
local variables in each frame.
Based on:
code.activestate.com/recipes/52215-get-more-information-from-tracebacks
"""
import sys
import traceback
from gramps.gen.constfunc import cuni
if tb_type is None:
tb_type = sys.exc_type
if tb_value is None:
tb_value = sys.exc_value
if tb is None:
tb = sys.exc_info()[2]
retval = traceback.format_exception(tb_type, tb_value, tb) + ["\n"]
while tb.tb_next:
tb = tb.tb_next
stack = []
f = tb.tb_frame
while f:
stack.append(f)
f = f.f_back
stack.reverse()
retval.append("Local variables (most recent frame last):\n")
for frame in stack:
retval.append(" Frame %s, File \"%s\", line %s:\n" % (frame.f_code.co_name,
frame.f_code.co_filename,
frame.f_lineno))
for key, value in frame.f_locals.items():
if key.startswith("__"):
continue
#We have to be careful not to cause a new error in our error
#handler! Calling str() on an unknown object could cause an
#error we don't want.
try:
line = " %s = %s\n" % (key, cuni(value))
except:
line = " %s = %s\n" % (key, "<ERROR PRINTING VALUE>")
retval.append(line)
return retval