103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
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"""SCons.Debug
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Code for debugging SCons internal things. Not everything here is
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guaranteed to work all the way back to Python 1.5.2, and shouldn't be
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needed by most users.
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"""
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#
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# Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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__revision__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Debug.py 0.96.1.D001 2004/08/23 09:55:29 knight"
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# Recipe 14.10 from the Python Cookbook.
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import string
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import sys
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try:
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import weakref
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except ImportError:
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def logInstanceCreation(instance, name=None):
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pass
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else:
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def logInstanceCreation(instance, name=None):
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if name is None:
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name = instance.__class__.__name__
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if not tracked_classes.has_key(name):
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tracked_classes[name] = []
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tracked_classes[name].append(weakref.ref(instance))
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tracked_classes = {}
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def string_to_classes(s):
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if s == '*':
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c = tracked_classes.keys()
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c.sort()
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return c
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else:
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return string.split(s)
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def countLoggedInstances(classes, file=sys.stdout):
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for classname in string_to_classes(classes):
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file.write("%s: %d\n" % (classname, len(tracked_classes[classname])))
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def listLoggedInstances(classes, file=sys.stdout):
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for classname in string_to_classes(classes):
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file.write('\n%s:\n' % classname)
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for ref in tracked_classes[classname]:
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obj = ref()
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if obj is not None:
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file.write(' %s\n' % repr(obj))
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def dumpLoggedInstances(classes, file=sys.stdout):
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for classname in string_to_classes(classes):
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file.write('\n%s:\n' % classname)
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for ref in tracked_classes[classname]:
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obj = ref()
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if obj is not None:
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file.write(' %s:\n' % obj)
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for key, value in obj.__dict__.items():
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file.write(' %20s : %s\n' % (key, value))
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if sys.platform[:5] == "linux":
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# Linux doesn't actually support memory usage stats from getrusage().
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def memory():
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mstr = open('/proc/self/stat').read()
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mstr = string.split(mstr)[22]
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return int(mstr)
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else:
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try:
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import resource
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except ImportError:
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def memory():
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return 0
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else:
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def memory():
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res = resource.getrusage(resource.RUSAGE_SELF)
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return res[4]
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