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Handle FileNotFound exception for get_host_info() #270

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Handle FileNotFound exception for get_host_info() #270

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25 changes: 16 additions & 9 deletions run_demo_server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,22 +13,29 @@
import logging
import collections

import traceback

logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)


@functools.lru_cache(maxsize=1)
def get_host_info():
ret = {}
with open('/proc/cpuinfo') as f:
ret['cpuinfo'] = f.read()

with open('/proc/meminfo') as f:
ret['meminfo'] = f.read()

with open('/proc/loadavg') as f:
ret['loadavg'] = f.read()

"""Handle /proc/cpuinfo file not found on OSX.
The demo server will crash in such a case."""
try:
with open('/proc/cpuinfo') as f:
ret['cpuinfo'] = f.read()

with open('/proc/meminfo') as f:
ret['meminfo'] = f.read()

with open('/proc/loadavg') as f:
ret['loadavg'] = f.read()
except Exception:
print(traceback.format_exc())
pass
return ret


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