mirror of
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38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
import logging
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import os
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from collections import namedtuple
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import psutil
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_FallbackVMem = namedtuple("svmem", ["total", "available"])
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_virtual_memory_warned = False
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def _fallback_total_memory():
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try:
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return os.sysconf("SC_PAGE_SIZE") * os.sysconf("SC_PHYS_PAGES")
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except (AttributeError, OSError, ValueError):
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return 0
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def virtual_memory(default_total=None, default_available=None):
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global _virtual_memory_warned
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try:
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return psutil.virtual_memory()
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except RuntimeError as e:
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if not _virtual_memory_warned:
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logging.warning("psutil.virtual_memory() failed; using fallback memory values: %s", e)
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_virtual_memory_warned = True
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total = default_total if default_total is not None else _fallback_total_memory()
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available = default_available if default_available is not None else total
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return _FallbackVMem(total=total, available=available)
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def virtual_memory_available(default=None):
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return virtual_memory(default_available=default).available
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def virtual_memory_total(default=None):
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return virtual_memory(default_total=default).total
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