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cache get_version results

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closes #81
This commit is contained in:
lilydjwg 2018-09-22 13:12:25 +08:00
parent db376ccfed
commit aabf9f5037
2 changed files with 23 additions and 0 deletions
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11
nvchecker/get_version.py
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@ -38,7 +38,18 @@ def substitute_version(version, name, conf):
# No substitution rules found. Just return the original version string. # No substitution rules found. Just return the original version string.
return version return version
_cache = {}
async def get_version(name, conf, **kwargs): async def get_version(name, conf, **kwargs):
cache_key = tuple(sorted(conf.items()))
if cache_key in _cache:
return _cache[cache_key]
version = await _get_version_real(name, conf, **kwargs)
_cache[cache_key] = version
return version
async def _get_version_real(name, conf, **kwargs):
for key in handler_precedence: for key in handler_precedence:
if key in conf: if key in conf:
func = import_module('.source.' + key, __package__).get_version func = import_module('.source.' + key, __package__).get_version

12
tests/test_cache.py Normal file
View file

@ -0,0 +1,12 @@
# MIT licensed
# Copyright (c) 2018 lilydjwg <lilydjwg@gmail.com>, et al.
import pytest
pytestmark = pytest.mark.asyncio
async def test_cache(get_version):
a = await get_version("a", {"cmd": "date +%%N"})
b = await get_version("b", {"cmd": "date +%%N"})
c = await get_version("c", {"cmd": "date"})
assert a == b
assert a != c