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"""OS information for testing."""
import sys
if sys.hexversion >= 0x02050000 and sys.platform == 'win32':
# Windows implementation
def process_ram():
"""How much RAM is this process using? (Windows)"""
import ctypes
# lifted from:
# lists.ubuntu.com/archives/bazaar-commits/2009-February/011990.html
class PROCESS_MEMORY_COUNTERS_EX(ctypes.Structure):
"""Used by GetProcessMemoryInfo"""
_fields_ = [('cb', ctypes.c_ulong),
('PageFaultCount', ctypes.c_ulong),
('PeakWorkingSetSize', ctypes.c_size_t),
('WorkingSetSize', ctypes.c_size_t),
('QuotaPeakPagedPoolUsage', ctypes.c_size_t),
('QuotaPagedPoolUsage', ctypes.c_size_t),
('QuotaPeakNonPagedPoolUsage', ctypes.c_size_t),
('QuotaNonPagedPoolUsage', ctypes.c_size_t),
('PagefileUsage', ctypes.c_size_t),
('PeakPagefileUsage', ctypes.c_size_t),
('PrivateUsage', ctypes.c_size_t),
]
mem_struct = PROCESS_MEMORY_COUNTERS_EX()
ret = ctypes.windll.psapi.GetProcessMemoryInfo(
ctypes.windll.kernel32.GetCurrentProcess(),
ctypes.byref(mem_struct),
ctypes.sizeof(mem_struct)
)
if not ret:
return 0
return mem_struct.PrivateUsage
else:
def process_ram():
"""How much RAM is this process using? (no implementation)"""
return 0
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