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57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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"""
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@author: william
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@contact: 1342247033@qq.com
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@site: http://www.xiaolewei.com
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@file: manager.py
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@time: 22/05/2018 16:03
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"""
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import importlib
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from sponge.drivers.driver import Driver
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class CacheManager(object):
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_supported_stores = ('redis', 'memory', 'sqlite')
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def __init__(self, cfg):
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self._cfg = cfg
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self._stores = {}
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if 'default' not in cfg:
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keys = list(self._cfg.keys())
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if len(keys) > 0:
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self._cfg['default'] = keys[0]
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else:
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raise Exception('None config is not allowed for CacheManager')
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else:
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self._resolve(cfg['default'])
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self._stores['default'] = self._stores[cfg['default']]
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def store(self, name='default') -> Driver:
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'''
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:param name:
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:return: sponge.Driver
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'''
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if name in self._stores:
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return self._stores[name]
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elif name in self._supported_stores:
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if name in self._cfg:
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return self._resolve(name)
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else:
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raise Exception('Not supported driver [%s]' % name)
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def _resolve(self, name) -> Driver:
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'''
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:param name:
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:param cfg:
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:return: sponge.Driver
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'''
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if name not in self._cfg:
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raise Exception('Empty config for %s driver' % name)
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pck = importlib.import_module('sponge.drivers.%s' % name)
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driver = getattr(pck, '%sDriver' % name.capitalize())
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self._stores[name] = driver(self._cfg[name])
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return self._stores[name]
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