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https://github.com/Hopiu/linkchecker.git
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96 lines
2.8 KiB
Python
96 lines
2.8 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2000-2010 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import re
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import linecache
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import time
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import sys
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import thread
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import threading
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# tracing
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_trace_ignore = set()
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_trace_filter = set()
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def trace_ignore (names):
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"""Add given names to trace ignore set, or clear set if names is None."""
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if names is None:
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_trace_ignore.clear()
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else:
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_trace_ignore.update(names)
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def trace_filter (patterns):
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"""Add given patterns to trace filter set or clear set if patterns is
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None."""
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if patterns is None:
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_trace_filter.clear()
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else:
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_trace_filter.update(re.compile(pat) for pat in patterns)
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def _trace (frame, event, arg):
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"""Trace function calls."""
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if event in ('call', 'c_call'):
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_trace_line(frame, event, arg)
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elif event in ('return', 'c_return'):
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_trace_line(frame, event, arg)
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print " return:", arg
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#elif event in ('exception', 'c_exception'):
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# _trace_line(frame, event, arg)
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return _trace
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def _trace_full (frame, event, arg):
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"""Trace every executed line."""
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if event == "line":
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_trace_line(frame, event, arg)
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else:
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_trace(frame, event, arg)
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return _trace_full
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def _trace_line (frame, event, arg):
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"""Print current executed line."""
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name = frame.f_globals["__name__"]
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if name in _trace_ignore:
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return _trace_line
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for pat in _trace_filter:
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if not pat.match(name):
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return _trace_line
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lineno = frame.f_lineno
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filename = frame.f_globals["__file__"]
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if filename.endswith((".pyc", ".pyo")):
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filename = filename[:-1]
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line = linecache.getline(filename, lineno)
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tid = thread.get_ident()
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tname = threading.currentThread().getName()
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args = (tid, tname, time.time(), line.rstrip(), name, lineno)
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print "THREAD(%d) %r %.2f %s # %s:%d" % args
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def trace_on (full=False):
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"""Start tracing of the current thread (and the current thread only)."""
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if full:
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sys.settrace(_trace_full)
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else:
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sys.settrace(_trace)
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def trace_off ():
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"""Stop tracing of the current thread (and the current thread only)."""
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sys.settrace(None)
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