/usr/lib/python2.7/dist-packages/linkcheck/trace.py is in linkchecker 9.3-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | # -*- coding: iso-8859-1 -*-
# Copyright (C) 2000-2014 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from __future__ import print_function
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", ".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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