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53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2012 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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"""
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Memory utilities.
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"""
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import sys
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from . import strformat
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from .fileutil import get_temp_file
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# Message to display when meliae package is not installed
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MemoryDebugMsg = strformat.format_feature_warning(module=u'meliae',
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feature=u'memory debugging',
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url=u'https://launchpad.net/meliae')
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def write_memory_dump():
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"""Dump memory to a temporary filename with the meliae package.
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@return: JSON filename where memory dump has been written to
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@rtype: string
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"""
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from meliae import scanner
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fo, filename = get_temp_file(mode='wb', suffix='.json', prefix='lcdump_')
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try:
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scanner.dump_all_objects(fo)
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finally:
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fo.close()
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return filename
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def print_memory_dump(filename, out=sys.stdout):
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"""Print a memory dump to given output stream.
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@param filename: memory dump file
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@ptype filename: string
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@param out: output stream, default: stdout
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@ptype out: open file object
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"""
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from meliae import loader
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om = loader.load(filename)
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print >>out, om.summarize()
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