rattail-project/rattail Changeset

Changeset - 2bf25d54baed

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Lance Edgar (lance) - 2 years ago 2022-08-06 20:20:57
lance@edbob.org

Add support for memcached as beaker config cache backend

technically this is for other backends too, i just tried memcached

2 files changed with 32 insertions and 15 deletions:

rattail/config.py

setup.py

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rattail/config.py

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@@ @@ -149,28 +149,37 @@ class RattailConfig(object): @@
             from beaker.cache import CacheManager
             from beaker.util import parse_cache_config_options
             # default cache settings
             options = {
                 'cache.type': self.get(
                     'rattail.config', 'beaker_cache.type',
                     usedb=False,
                     default='file'),
                 'cache.data_dir': self.get(
                     'rattail.config', 'beaker_cache.data_dir',
                     usedb=False,
                     default=os.path.join(self.appdir(), 'cache', 'config', 'data')),
                 'cache.lock_dir': self.get(
                     'rattail.config', 'beaker_cache.lock_dir',
                     usedb=False,
                     default=os.path.join(self.appdir(), 'cache', 'config', 'lock')),
                 'cache.type': 'file',
                 'cache.data_dir': os.path.join(self.appdir(), 'cache',
                                                'config', 'data'),
                 'cache.lock_dir': os.path.join(self.appdir(), 'cache',
                                                'config', 'lock'),
+            }
             # but let config override and supplement
             if self.parser.has_section('rattail.config'):
                 for option in self.parser.options('rattail.config'):
                     prefix = 'beaker_cache.'
                     if option.startswith(prefix):
                         key = 'cache.{}'.format(option[len(prefix):])
                         options[key] = self.parser.get('rattail.config', option)
             # and with those options, make a cache manager
             self.beaker_cache_manager = CacheManager(
                 **parse_cache_config_options(options))
             # our namespace is pretty normal...but on python2, and
             # using memcached as backend, there is an encoding gotcha,
             # which we must fix here
             namespace = 'rattail.config'
             if six.PY2:
                 namespace = namespace.encode('utf_8')
             # and finally, make our cache
             self.beaker_config_cache = self.beaker_cache_manager.get_cache(
                 'rattail.config',
                 type='file',    # TODO: (why) must we declare this?
                 expire=3600)
                 namespace)
     def read_file(self, path, recurse=True, require=False):
         """
@@ @@ -355,6 +364,7 @@ class RattailConfig(object): @@
             session = app.make_session(continuum_user=None)
             value = app.get_setting(session, name)
             session.close()
             log.debug("had to (re-)fetch setting '%s' from db: %s", name, value)
             return value
         return self.beaker_config_cache.get(key=name, createfunc=get_value)

setup.py

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@@ @@ -129,6 +129,13 @@ extras = { @@
         'SQLAlchemy-Continuum',         # 1.1.5
     ],
     'memcached': [
+        #
         # package                       # low                   high
         'pylibmc',                      # 1.6.1
     ],
     'docs': [
+        #
         # package                       # low                   high

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