add persistent option for db
This commit is contained in:
parent
d971448d02
commit
0d5a447eb3
@ -24,11 +24,15 @@ from time import time
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from tiramisu.error import PropertiesOptionError, ConfigError
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from tiramisu.option import OptionDescription, Option, SymLinkOption, \
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BaseInformation
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from tiramisu.setting import groups, Settings, default_encoding, default_storage
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from tiramisu.setting import groups, Settings, default_encoding, storage_type
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from tiramisu.value import Values
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from tiramisu.i18n import _
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def gen_id(config):
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return str(id(config)) + str(time())
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class SubConfig(BaseInformation):
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"sub configuration management entry"
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__slots__ = ('_impl_context', '_impl_descr')
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@ -473,6 +477,13 @@ class CommonConfig(SubConfig):
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"abstract base class for the Config and the MetaConfig"
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__slots__ = ('_impl_values', '_impl_settings', '_impl_meta')
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def _init_storage(self, config_id, is_persistent):
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if config_id is None:
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config_id = gen_id(self)
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import_lib = 'tiramisu.storage.{0}.storage'.format(storage_type)
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return __import__(import_lib, globals(), locals(), ['Storage'],
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-1).Storage(config_id, is_persistent)
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def _impl_build_all_paths(self):
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self.cfgimpl_get_description().impl_build_cache()
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@ -517,7 +528,7 @@ class Config(CommonConfig):
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"main configuration management entry"
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__slots__ = tuple()
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def __init__(self, descr):
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def __init__(self, descr, config_id=None, is_persistent=False):
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""" Configuration option management master class
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:param descr: describes the configuration schema
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@ -525,9 +536,9 @@ class Config(CommonConfig):
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:param context: the current root config
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:type context: `Config`
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"""
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config_id = str(id(self)) + str(time())
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self._impl_settings = Settings(self, config_id, default_storage)
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self._impl_values = Values(self, config_id, default_storage)
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storage = self._init_storage(config_id, is_persistent)
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self._impl_settings = Settings(self, storage)
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self._impl_values = Values(self, storage)
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super(Config, self).__init__(descr, self)
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self._impl_build_all_paths()
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self._impl_meta = None
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@ -545,7 +556,7 @@ class Config(CommonConfig):
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class MetaConfig(CommonConfig):
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__slots__ = ('_impl_children',)
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def __init__(self, children, meta=True):
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def __init__(self, children, meta=True, config_id=None, is_persistent=False):
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if not isinstance(children, list):
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raise ValueError(_("metaconfig's children must be a list"))
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self._impl_descr = None
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@ -564,10 +575,12 @@ class MetaConfig(CommonConfig):
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raise ValueError(_("child has already a metaconfig's"))
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child._impl_meta = self
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config_id = str(id(self))
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if config_id is None:
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config_id = gen_id(self)
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self._impl_children = children
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self._impl_settings = Settings(self, config_id, default_storage)
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self._impl_values = Values(self, config_id, default_storage)
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storage = self._init_storage(config_id, is_persistent)
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self._impl_settings = Settings(self, storage)
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self._impl_values = Values(self, storage)
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self._impl_meta = None
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self._impl_informations = {}
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@ -34,7 +34,7 @@ ro_append = ('frozen', 'disabled', 'validator', 'everything_frozen',
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rw_remove = ('permissive', 'everything_frozen', 'mandatory')
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rw_append = ('frozen', 'disabled', 'validator', 'hidden')
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default_properties = ('expire', 'validator')
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default_storage = 'dictionary'
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storage_type = 'dictionary'
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class _const:
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@ -183,13 +183,13 @@ class Settings(object):
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"``Config()``'s configuration options"
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__slots__ = ('context', '_owner', '_p_')
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def __init__(self, context, config_id, plugin_name):
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def __init__(self, context, storage):
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# generic owner
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self._owner = owners.user
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self.context = context
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import_lib = 'tiramisu.plugins.{0}.setting'.format(plugin_name)
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import_lib = 'tiramisu.storage.{0}.setting'.format(storage_type)
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self._p_ = __import__(import_lib, globals(), locals(), ['Settings'],
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-1).Settings(config_id)
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-1).Settings(storage)
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def _getkey(self, opt):
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if self._p_.key_is_path:
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@ -17,13 +17,13 @@
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# ____________________________________________________________
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from tiramisu.plugins.dictionary.cache import Cache
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from tiramisu.storage.dictionary.storage import Cache
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class Settings(Cache):
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__slots__ = ('_properties', '_permissives')
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def __init__(self, config_id):
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def __init__(self, storage):
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# properties attribute: the name of a property enables this property
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# key is None for global properties
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self._properties = {}
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@ -19,6 +19,16 @@
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# ____________________________________________________________
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from tiramisu.i18n import _
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class Storage(object):
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__slots__ = tuple()
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def __init__(self, config_id, is_persistent):
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if is_persistent:
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raise ValueError(_('a dictionary cannot be persistent'))
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class Cache(object):
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__slots__ = ('_cache',)
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key_is_path = False
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@ -18,14 +18,13 @@
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#
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# ____________________________________________________________
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#FIXME
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from tiramisu.plugins.dictionary.cache import Cache
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from tiramisu.storage.dictionary.storage import Cache
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class Values(Cache):
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__slots__ = ('_values',)
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def __init__(self, config_id):
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def __init__(self, storage):
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"""init plugin means create values storage
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"""
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self._values = {}
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@ -17,53 +17,47 @@
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# ____________________________________________________________
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from tiramisu.plugins.sqlite3.cache import Cache
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from tiramisu.storage.sqlite3.storage import Cache
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class Settings(Cache):
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__slots__ = tuple()
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def __init__(self, config_id):
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def __init__(self, storage):
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settings_table = 'CREATE TABLE IF NOT EXISTS property(path text primary key, properties text)'
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permissives_table = 'CREATE TABLE IF NOT EXISTS permissive(path text primary key, permissives text)'
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# should init cache too
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super(Settings, self).__init__(config_id, 'property')
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self._cursor.execute(settings_table)
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self._cursor.execute(permissives_table)
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self._conn.commit()
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super(Settings, self).__init__('property', storage)
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self.storage.execute(settings_table, commit=False)
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self.storage.execute(permissives_table)
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# propertives
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def setproperties(self, path, properties):
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self._cursor.execute("DELETE FROM property WHERE path = ?", (path,))
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self._cursor.execute("INSERT INTO property(path, properties) VALUES (?, ?)",
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self.storage.execute("DELETE FROM property WHERE path = ?", (path,), False)
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self.storage.execute("INSERT INTO property(path, properties) VALUES (?, ?)",
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(path, self._sqlite_encode(properties)))
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self._conn.commit()
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def getproperties(self, path, default_properties):
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self._cursor.execute("SELECT properties FROM property WHERE path = ?", (path,))
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value = self._cursor.fetchone()
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value = self.storage.select("SELECT properties FROM property WHERE path = ?", (path,))
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if value is None:
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return set(default_properties)
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else:
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return set(self._sqlite_decode(value[0]))
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def hasproperties(self, path):
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return self._cursor.execute("SELECT properties FROM property WHERE path = ?", (path,)) is not None
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return self.storage.select("SELECT properties FROM property WHERE path = ?", (path,)) is not None
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def reset_all_propertives(self):
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self._cursor.execute("DELETE FROM property")
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self._conn.commit()
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self.storage.execute("DELETE FROM property")
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def reset_properties(self, path):
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self._cursor.execute("DELETE FROM property WHERE path = ?", (path,))
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self._conn.commit()
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self.storage.execute("DELETE FROM property WHERE path = ?", (path,))
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def get_properties(self, context):
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"""return all properties in a dictionary
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"""
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self._cursor.execute("SELECT * FROM property")
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ret = {}
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for path, properties in self._cursor.fetchall():
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for path, properties in self.storage.select("SELECT * FROM property", only_one=False):
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if path == '_none':
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opt = None
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else:
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@ -74,14 +68,12 @@ class Settings(Cache):
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# permissive
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def setpermissive(self, path, permissive):
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self._cursor.execute("DELETE FROM permissive WHERE path = ?", (path,))
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self._cursor.execute("INSERT INTO permissive(path, permissives) VALUES (?, ?)",
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self.storage.execute("DELETE FROM permissive WHERE path = ?", (path,), False)
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self.storage.execute("INSERT INTO permissive(path, permissives) VALUES (?, ?)",
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(path, self._sqlite_encode(permissive)))
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self._conn.commit()
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def getpermissive(self, path='_none'):
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self._cursor.execute("SELECT permissives FROM permissive WHERE path = ?", (path,))
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permissives = self._cursor.fetchone()
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permissives = self.storage.select("SELECT permissives FROM permissive WHERE path = ?", (path,))
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if permissives is None:
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return frozenset()
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else:
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@ -19,19 +19,51 @@
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# ____________________________________________________________
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from pickle import dumps, loads
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from os import unlink
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import sqlite3
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class Cache(object):
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__slots__ = ('_conn', '_cursor')
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key_is_path = True
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class Storage(object):
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__slots__ = ('_conn', '_cursor', 'is_persistent', 'db_file')
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def __init__(self, config_id, cache_type):
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cache_table = 'CREATE TABLE IF NOT EXISTS cache_{0}(path text primary key, value text, time real)'.format(cache_type)
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self._conn = sqlite3.connect(config_id + '.db')
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def __init__(self, config_id, is_persistent):
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self.is_persistent = is_persistent
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self.db_file = config_id + '.db'
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self._conn = sqlite3.connect(self.db_file)
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self._conn.text_factory = str
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self._cursor = self._conn.cursor()
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self._cursor.execute(cache_table)
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def execute(self, sql, params=None, commit=True):
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if params is None:
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params = tuple()
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self._cursor.execute(sql, params)
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if commit:
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self._conn.commit()
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def select(self, sql, params=None, only_one=True):
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self.execute(sql, params=params, commit=False)
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if only_one:
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return self._cursor.fetchone()
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else:
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return self._cursor.fetchall()
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def __del__(self):
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self._cursor.close()
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self._conn.close()
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if not self.is_persistent:
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unlink(self.db_file)
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class Cache(object):
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__slots__ = ('storage',)
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key_is_path = True
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def __init__(self, cache_type, storage):
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self.storage = storage
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cache_table = 'CREATE TABLE IF NOT EXISTS cache_{0}(path '.format(
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cache_type)
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cache_table += 'text primary key, value text, time real)'
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self.storage.execute(cache_table)
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# value
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def _sqlite_decode(self, value):
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@ -44,38 +76,41 @@ class Cache(object):
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def setcache(self, cache_type, path, val, time):
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convert_value = self._sqlite_encode(val)
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self._cursor.execute("DELETE FROM cache_{0} WHERE path = ?".format(cache_type), (path,))
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self._cursor.execute("INSERT INTO cache_{0}(path, value, time) VALUES (?, ?, ?)".format(cache_type),
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self.storage.execute("DELETE FROM cache_{0} WHERE path = ?".format(
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cache_type), (path,), False)
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self.storage.execute("INSERT INTO cache_{0}(path, value, time) "
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"VALUES (?, ?, ?)".format(cache_type),
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(path, convert_value, time))
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self._conn.commit()
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def getcache(self, cache_type, path, exp):
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self._cursor.execute("SELECT value FROM cache_{0} WHERE path = ? AND time >= ?".format(cache_type), (path, exp))
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cached = self._cursor.fetchone()
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cached = self.storage.select("SELECT value FROM cache_{0} WHERE "
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"path = ? AND time >= ?".format(
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cache_type), (path, exp))
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if cached is None:
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return False, None
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else:
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return True, self._sqlite_decode(cached[0])
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def hascache(self, cache_type, path):
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self._cursor.execute("SELECT value FROM cache_{0} WHERE path = ?".format(cache_type), (path,))
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return self._cursor.fetchone() is not None
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return self.storage.select("SELECT value FROM cache_{0} WHERE "
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"path = ?".format(cache_type),
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(path,)) is not None
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def reset_expired_cache(self, cache_type, exp):
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self._cursor.execute("DELETE FROM cache_{0} WHERE time < ?".format(cache_type), (exp,))
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self._conn.commit()
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self.storage.execute("DELETE FROM cache_{0} WHERE time < ?".format(
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cache_type), (exp,))
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def reset_all_cache(self, cache_type):
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self._cursor.execute("DELETE FROM cache_{0}".format(cache_type))
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self._conn.commit()
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self.storage.execute("DELETE FROM cache_{0}".format(cache_type))
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def get_cached(self, cache_type, context):
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"""return all values in a dictionary
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example: {option1: ('value1', 'time1'), option2: ('value2', 'time2')}
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"""
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self._cursor.execute("SELECT * FROM cache_{0}".format(cache_type))
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ret = {}
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for path, value, time in self._cursor.fetchall():
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for path, value, time in self.storage.select("SELECT * FROM cache_{0}"
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"".format(cache_type),
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only_one=False):
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opt = context.cfgimpl_get_description().impl_get_opt_by_path(path)
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value = self._sqlite_decode(value)
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ret[opt] = (value, time)
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@ -18,26 +18,24 @@
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#
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# ____________________________________________________________
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from tiramisu.plugins.sqlite3.cache import Cache
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from tiramisu.storage.sqlite3.storage import Cache
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from tiramisu.setting import owners
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class Values(Cache):
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__slots__ = tuple()
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def __init__(self, config_id):
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def __init__(self, storage):
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"""init plugin means create values storage
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"""
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values_table = 'CREATE TABLE IF NOT EXISTS value(path text primary key, value text, owner text)'
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# should init cache too
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super(Values, self).__init__(config_id, 'value')
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self._cursor.execute(values_table)
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self._conn.commit()
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super(Values, self).__init__('value', storage)
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self.storage.execute(values_table)
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# sqlite
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def _sqlite_select(self, path):
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self._cursor.execute("SELECT value FROM value WHERE path = ?", (path,))
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return self._cursor.fetchone()
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return self.storage.select("SELECT value FROM value WHERE path = ?", (path,))
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# value
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def setvalue(self, path, value, owner):
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@ -45,9 +43,8 @@ class Values(Cache):
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a specified value must be associated to an owner
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"""
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self.resetvalue(path)
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self._cursor.execute("INSERT INTO value(path, value, owner) VALUES (?, ?, ?)",
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self.storage.execute("INSERT INTO value(path, value, owner) VALUES (?, ?, ?)",
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(path, self._sqlite_encode(value), str(owner)))
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self._conn.commit()
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def getvalue(self, path):
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"""get value for an option
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@ -64,16 +61,14 @@ class Values(Cache):
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def resetvalue(self, path):
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"""remove value means delete value in storage
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"""
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self._cursor.execute("DELETE FROM value WHERE path = ?", (path,))
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self._conn.commit()
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self.storage.execute("DELETE FROM value WHERE path = ?", (path,))
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def get_modified_values(self, context):
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"""return all values in a dictionary
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example: {option1: (owner, 'value1'), option2: (owner, 'value2')}
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"""
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self._cursor.execute("SELECT value")
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ret = {}
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for path, value, owner in self._cursor.fetchall():
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for path, value, owner in self.storage.select("SELECT value", only_one=False):
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opt = context.cfgimpl_get_description().impl_get_opt_by_path(path)
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owner = getattr(owners, owner)
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@ -85,20 +80,14 @@ class Values(Cache):
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def setowner(self, path, owner):
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"""change owner for an option
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"""
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self._cursor.execute("UPDATE value SET owner = ? WHERE path = ?", (str(owner), path))
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self._conn.commit()
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self.storage.execute("UPDATE value SET owner = ? WHERE path = ?", (str(owner), path))
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def getowner(self, path, default):
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"""get owner for an option
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return: owner object
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"""
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self._cursor.execute("SELECT owner FROM value WHERE path = ?", (path,))
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owner = self._cursor.fetchone()
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owner = self.storage.select("SELECT owner FROM value WHERE path = ?", (path,))
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if owner is None:
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return default
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else:
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return getattr(owners, owner[0])
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def __del__(self):
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self._cursor.close()
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self._conn.close()
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@ -20,7 +20,7 @@
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from time import time
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from copy import copy
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from tiramisu.error import ConfigError, SlaveError
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from tiramisu.setting import owners, multitypes, expires_time
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from tiramisu.setting import owners, multitypes, expires_time, storage_type
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from tiramisu.autolib import carry_out_calculation
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from tiramisu.i18n import _
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from tiramisu.option import SymLinkOption
|
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@ -33,7 +33,7 @@ class Values(object):
|
||||
"""
|
||||
__slots__ = ('context', '_p_')
|
||||
|
||||
def __init__(self, context, config_id, plugin_name):
|
||||
def __init__(self, context, storage):
|
||||
"""
|
||||
Initializes the values's dict.
|
||||
|
||||
@ -42,9 +42,9 @@ class Values(object):
|
||||
"""
|
||||
|
||||
self.context = context
|
||||
import_lib = 'tiramisu.plugins.{0}.value'.format(plugin_name)
|
||||
import_lib = 'tiramisu.storage.{0}.value'.format(storage_type)
|
||||
self._p_ = __import__(import_lib, globals(), locals(), ['Values'],
|
||||
-1).Values(config_id)
|
||||
-1).Values(storage)
|
||||
|
||||
def _getkey(self, opt):
|
||||
if self._p_.key_is_path:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user