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https://github.com/virt-manager/virt-manager.git
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0df75c7603
Ensure that any file touched by a @redhat.com author in 2013 has an updated copyright header. The files were updated using the build-aux/update-copyright gnulib script and manually added where the copyright line wasn't present. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
#
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# Copyright (C) 2011, 2013 Red Hat, Inc.
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# Copyright (C) 2011 Cole Robinson <crobinso@redhat.com>
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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
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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# This module provides a simple way to trace any activity on a specific
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# python class or module. The trace output is logged using the regular
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# logging infrastructure. Invoke this with virt-manager --trace-libvirt
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import logging
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import time
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import re
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import traceback
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from types import FunctionType
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from types import ClassType
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from types import MethodType
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def generate_wrapper(origfunc, name, do_tb):
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def newfunc(*args, **kwargs):
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tb = do_tb and ("\n%s" % "".join(traceback.format_stack())) or ""
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logging.debug("TRACE %s: %s %s %s%s",
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time.time(), name, args, kwargs, tb)
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return origfunc(*args, **kwargs)
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return newfunc
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def wrap_func(module, funcobj, tb):
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name = funcobj.__name__
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logging.debug("wrapfunc %s %s", funcobj, name)
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newfunc = generate_wrapper(funcobj, name, tb)
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setattr(module, name, newfunc)
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def wrap_method(classobj, methodobj, tb):
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name = methodobj.__name__
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fullname = classobj.__name__ + "." + name
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logging.debug("wrapmeth %s", fullname)
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newfunc = generate_wrapper(methodobj, fullname, tb)
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setattr(classobj, name, newfunc)
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def wrap_class(classobj, tb):
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logging.debug("wrapclas %s %s", classobj, classobj.__name__)
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for name in dir(classobj):
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obj = getattr(classobj, name)
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if type(obj) is MethodType:
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wrap_method(classobj, obj, tb)
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def wrap_module(module, regex=None, tb=False):
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for name in dir(module):
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if regex and not re.match(regex, name):
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continue
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obj = getattr(module, name)
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if type(obj) is FunctionType:
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wrap_func(module, obj, tb)
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if type(obj) is ClassType or type(obj) is type:
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wrap_class(obj, tb)
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