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# -*- coding: iso-8859-1 -*-
# Copyright (C) 2000-2008 Bastian Kleineidam
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
import re
import linecache
import time
import sys
import thread
import threading
# tracing
_trace_ignore = set()
_trace_filter = set()
def trace_ignore (names):
"""
Add given names to trace ignore set, or clear set if names is None.
"""
if names is None:
_trace_ignore.clear()
else:
_trace_ignore.update(names)
def trace_filter (patterns):
"""
Add given patterns to trace filter set or clear set if patterns is None.
"""
if patterns is None:
_trace_filter.clear()
else:
_trace_filter.update([re.compile(pat) for pat in patterns])
def _trace (frame, event, arg):
"""
Trace function calls.
"""
if event in ('call', 'c_call'):
_trace_line(frame, event, arg)
elif event in ('return', 'c_return'):
_trace_line(frame, event, arg)
print " return:", arg
#elif event in ('exception', 'c_exception'):
# _trace_line(frame, event, arg)
return _trace
def _trace_full (frame, event, arg):
"""
Trace every executed line.
"""
if event == "line":
_trace_line(frame, event, arg)
else:
_trace(frame, event, arg)
return _trace_full
def _trace_line (frame, event, arg):
"""
Print current executed line.
"""
name = frame.f_globals["__name__"]
if name in _trace_ignore:
return _trace_line
for pat in _trace_filter:
if not pat.match(name):
return _trace_line
lineno = frame.f_lineno
filename = frame.f_globals["__file__"]
if filename.endswith(".pyc") or filename.endswith(".pyo"):
filename = filename[:-1]
line = linecache.getline(filename, lineno)
tid = thread.get_ident()
tname = threading.currentThread().getName()
args = (tid, tname, time.time(), line.rstrip(), name, lineno)
print "THREAD(%d) %r %.2f %s # %s:%d" % args
def trace_on (full=False):
"""
Start tracing of the current thread (and the current thread only).
"""
if full:
sys.settrace(_trace_full)
else:
sys.settrace(_trace)
def trace_off ():
"""
Stop tracing of the current thread (and the current thread only).
"""
sys.settrace(None)
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