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Viewing changes to spyderlib/utils/system.py

  • Committer: Package Import Robot
  • Author(s): Picca Frédéric-Emmanuel
  • Date: 2014-05-29 09:06:26 UTC
  • mfrom: (1.1.21) (18.1.6 sid)
  • Revision ID: package-import@ubuntu.com-20140529090626-f58t82g0n5iewaxu
Tags: 2.3.0~rc+dfsg-1~experimental2
* Add spyder-common binary package for all the python2,3 common files
* debian/path
  - 0001-fix-documentation-installation.patch (deleted)
  + 0001-fix-spyderlib-path.patch (new)

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spyderlib/utils/system.py
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def windows_memory_usage():
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    """Return physical memory usage (float)
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    Works on Windows platforms only"""
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    from ctypes import windll, wintypes
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    class MemoryStatus(wintypes.Structure):
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        _fields_ = [('dwLength', wintypes.DWORD),
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                    ('dwMemoryLoad', wintypes.DWORD),
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                    ('ullTotalPhys', wintypes.c_uint64),
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                    ('ullAvailPhys', wintypes.c_uint64),
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                    ('ullTotalPageFile', wintypes.c_uint64),
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                    ('ullAvailPageFile', wintypes.c_uint64),
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                    ('ullTotalVirtual', wintypes.c_uint64),
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                    ('ullAvailVirtual', wintypes.c_uint64),
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                    ('ullAvailExtendedVirtual', wintypes.c_uint64),]
 
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    from ctypes import windll, Structure, c_uint64, sizeof, byref
 
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    from ctypes.wintypes import DWORD
 
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    class MemoryStatus(Structure):
 
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        _fields_ = [('dwLength', DWORD),
 
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                    ('dwMemoryLoad',DWORD),
 
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                    ('ullTotalPhys', c_uint64),
 
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                    ('ullAvailPhys', c_uint64),
 
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                    ('ullTotalPageFile', c_uint64),
 
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                    ('ullAvailPageFile', c_uint64),
 
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                    ('ullTotalVirtual', c_uint64),
 
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                    ('ullAvailVirtual', c_uint64),
 
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                    ('ullAvailExtendedVirtual', c_uint64),]
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    memorystatus = MemoryStatus()
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    # MSDN documetation states that dwLength must be set to MemoryStatus
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    # size before calling GlobalMemoryStatusEx
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    # http://msdn.microsoft.com/en-us/library/aa366770(v=vs.85)
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    memorystatus.dwLength = wintypes.sizeof(memorystatus)
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    windll.kernel32.GlobalMemoryStatusEx(wintypes.byref(memorystatus))
 
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    memorystatus.dwLength = sizeof(memorystatus)
 
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    windll.kernel32.GlobalMemoryStatusEx(byref(memorystatus))
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    return float(memorystatus.dwMemoryLoad)
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def psutil_phymem_usage():
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    # Backup plan for Windows platforms
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    memory_usage = windows_memory_usage
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else:
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    raise ImportError, "Feature requires psutil 0.3+ on non Windows platforms"
 
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    raise ImportError("Feature requires psutil 0.3+ on non Windows platforms")
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if __name__ == '__main__':
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    print "*"*80
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    print memory_usage.__doc__
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    print memory_usage()
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    print "*"*80
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    print windows_memory_usage.__doc__
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    print windows_memory_usage()
 
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    print("*"*80)
 
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    print(memory_usage.__doc__)
 
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    print(memory_usage())
 
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    if os.name == 'nt':
 
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        #  windll can only be imported if os.name = 'nt' or 'ce'
 
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        print("*"*80)
 
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        print(windows_memory_usage.__doc__)
 
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        print(windows_memory_usage())
 
 
b'\\ No newline at end of file'