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we can serialize Config now

This commit is contained in:
Emmanuel Garette 2013-09-22 20:57:52 +02:00
parent 972dff0a1c
commit c84d13a1c6
17 changed files with 354 additions and 108 deletions
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18
test/test_option_setting.py
View File

@ -327,23 +327,23 @@ def test_reset_properties():
cfg = Config(descr)
setting = cfg.cfgimpl_get_settings()
option = cfg.cfgimpl_get_description().gc.dummy
assert setting._p_.get_properties(cfg) == {}
assert setting._p_.get_modified_properties() == {}
setting.append('frozen')
assert setting._p_.get_properties(cfg) == {None: set(('frozen', 'expire', 'cache', 'validator'))}
assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'cache', 'validator'))}
setting.reset()
assert setting._p_.get_properties(cfg) == {}
assert setting._p_.get_modified_properties() == {}
setting[option].append('test')
assert setting._p_.get_properties(cfg) == {'gc.dummy': set(('test',))}
assert setting._p_.get_modified_properties() == {'gc.dummy': set(('test',))}
setting.reset()
assert setting._p_.get_properties(cfg) == {'gc.dummy': set(('test',))}
assert setting._p_.get_modified_properties() == {'gc.dummy': set(('test',))}
setting.append('frozen')
assert setting._p_.get_properties(cfg) == {None: set(('frozen', 'expire', 'validator', 'cache')), 'gc.dummy': set(('test',))}
assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache')), 'gc.dummy': set(('test',))}
setting.reset(option)
assert setting._p_.get_properties(cfg) == {None: set(('frozen', 'expire', 'validator', 'cache'))}
assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache'))}
setting[option].append('test')
assert setting._p_.get_properties(cfg) == {None: set(('frozen', 'expire', 'validator', 'cache')), 'gc.dummy': set(('test',))}
assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache')), 'gc.dummy': set(('test',))}
setting.reset(all_properties=True)
assert setting._p_.get_properties(cfg) == {}
assert setting._p_.get_modified_properties() == {}
raises(ValueError, 'setting.reset(all_properties=True, opt=option)')
a = descr.wantref
setting[a].append('test')

96
test/test_state.py
View File

@ -1,5 +1,9 @@
from tiramisu.option import BoolOption, UnicodeOption, SymLinkOption, \
OptionDescription
from tiramisu.config import Config
from tiramisu.setting import owners
from tiramisu.storage import delete_session
from tiramisu.error import ConfigError
from pickle import dumps, loads
@ -152,3 +156,95 @@ def test_no_state_attr():
_no_state(q.o.b)
_no_state(q.o.u)
_no_state(q.o.s)
def test_state_config():
val1 = BoolOption('val1', "")
maconfig = OptionDescription('rootconfig', '', [val1])
try:
cfg = Config(maconfig, persistent=True, session_id='29090931')
except ValueError:
cfg = Config(maconfig, session_id='29090931')
cfg._impl_test = True
a = dumps(cfg)
q = loads(a)
_diff_opt(maconfig, q.cfgimpl_get_description())
assert cfg.cfgimpl_get_values().get_modified_values() == q.cfgimpl_get_values().get_modified_values()
assert cfg.cfgimpl_get_settings().get_modified_properties() == q.cfgimpl_get_settings().get_modified_properties()
assert cfg.cfgimpl_get_settings().get_modified_permissives() == q.cfgimpl_get_settings().get_modified_permissives()
try:
delete_session('29090931')
except ConfigError:
pass
def test_state_properties():
val1 = BoolOption('val1', "")
maconfig = OptionDescription('rootconfig', '', [val1])
try:
cfg = Config(maconfig, persistent=True, session_id='29090932')
except ValueError:
cfg = Config(maconfig, session_id='29090932')
cfg._impl_test = True
cfg.read_write()
cfg.cfgimpl_get_settings()[val1].append('test')
a = dumps(cfg)
q = loads(a)
_diff_opt(maconfig, q.cfgimpl_get_description())
assert cfg.cfgimpl_get_values().get_modified_values() == q.cfgimpl_get_values().get_modified_values()
assert cfg.cfgimpl_get_settings().get_modified_properties() == q.cfgimpl_get_settings().get_modified_properties()
assert cfg.cfgimpl_get_settings().get_modified_permissives() == q.cfgimpl_get_settings().get_modified_permissives()
try:
delete_session('29090931')
except ConfigError:
pass
def test_state_values():
val1 = BoolOption('val1', "")
maconfig = OptionDescription('rootconfig', '', [val1])
try:
cfg = Config(maconfig, persistent=True, session_id='29090933')
except ValueError:
cfg = Config(maconfig, session_id='29090933')
cfg._impl_test = True
cfg.val1 = True
a = dumps(cfg)
q = loads(a)
_diff_opt(maconfig, q.cfgimpl_get_description())
assert cfg.cfgimpl_get_values().get_modified_values() == q.cfgimpl_get_values().get_modified_values()
assert cfg.cfgimpl_get_settings().get_modified_properties() == q.cfgimpl_get_settings().get_modified_properties()
assert cfg.cfgimpl_get_settings().get_modified_permissives() == q.cfgimpl_get_settings().get_modified_permissives()
q.val1 = False
#assert cfg.val1 is True
assert q.val1 is False
try:
delete_session('29090931')
except ConfigError:
pass
def test_state_values_owner():
val1 = BoolOption('val1', "")
maconfig = OptionDescription('rootconfig', '', [val1])
try:
cfg = Config(maconfig, persistent=True, session_id='29090934')
except ValueError:
cfg = Config(maconfig, session_id='29090934')
cfg._impl_test = True
owners.addowner('newowner')
cfg.cfgimpl_get_settings().setowner(owners.newowner)
cfg.val1 = True
a = dumps(cfg)
q = loads(a)
_diff_opt(maconfig, q.cfgimpl_get_description())
assert cfg.cfgimpl_get_values().get_modified_values() == q.cfgimpl_get_values().get_modified_values()
assert cfg.cfgimpl_get_settings().get_modified_properties() == q.cfgimpl_get_settings().get_modified_properties()
assert cfg.cfgimpl_get_settings().get_modified_permissives() == q.cfgimpl_get_settings().get_modified_permissives()
q.val1 = False
nval1 = q.cfgimpl_get_description().val1
assert q.getowner(nval1) == owners.newowner
try:
delete_session('29090931')
except ConfigError:
pass

42
tiramisu/config.py
View File

@ -24,7 +24,8 @@ import weakref
from tiramisu.error import PropertiesOptionError, ConfigError
from tiramisu.option import OptionDescription, Option, SymLinkOption
from tiramisu.setting import groups, Settings, default_encoding
from tiramisu.storage import get_storages
from tiramisu.storage import get_storages, get_storage, set_storage, \
_impl_getstate_setting
from tiramisu.value import Values
from tiramisu.i18n import _
@ -521,7 +522,7 @@ class CommonConfig(SubConfig):
# ____________________________________________________________
class Config(CommonConfig):
"main configuration management entry"
__slots__ = ('__weakref__', )
__slots__ = ('__weakref__', '_impl_test')
def __init__(self, descr, session_id=None, persistent=False):
""" Configuration option management master class
@ -542,6 +543,43 @@ class Config(CommonConfig):
super(Config, self).__init__(descr, weakref.ref(self))
self._impl_build_all_paths()
self._impl_meta = None
#undocumented option used only in test script
self._impl_test = False
def __getstate__(self):
if self._impl_meta is not None:
raise ConfigError('cannot serialize Config with meta')
slots = set()
for subclass in self.__class__.__mro__:
if subclass is not object:
slots.update(subclass.__slots__)
slots -= frozenset(['_impl_context', '__weakref__'])
state = {}
for slot in slots:
try:
state[slot] = getattr(self, slot)
except AttributeError:
pass
storage = self._impl_values._p_._storage
if not storage.serializable:
raise ConfigError('this storage is not serialisable, could be a '
'none persistent storage')
state['_storage'] = {'session_id': storage.session_id,
'persistent': storage.persistent}
state['_impl_setting'] = _impl_getstate_setting()
return state
def __setstate__(self, state):
for key, value in state.items():
if key not in ['_storage', '_impl_setting']:
setattr(self, key, value)
set_storage(**state['_impl_setting'])
self._impl_context = weakref.ref(self)
self._impl_settings.context = weakref.ref(self)
self._impl_values.context = weakref.ref(self)
storage = get_storage(test=self._impl_test, **state['_storage'])
self._impl_values._impl_setstate(storage)
self._impl_settings._impl_setstate(storage)
def cfgimpl_reset_cache(self,
only_expired=False,

27
tiramisu/option.py
View File

@ -242,8 +242,9 @@ class BaseOption(object):
:param descr: the parent :class:`tiramisu.option.OptionDescription`
"""
self._stated = True
self._impl_convert_consistencies(descr)
self._impl_convert_requires(descr)
for func in dir(self):
if func.startswith('_impl_convert_'):
getattr(self, func)(descr)
try:
self._state_readonly = self._readonly
except AttributeError:
@ -294,8 +295,9 @@ class BaseOption(object):
:type descr: :class:`tiramisu.option.OptionDescription`
"""
self._impl_convert_consistencies(descr, load=True)
self._impl_convert_requires(descr, load=True)
for func in dir(self):
if func.startswith('_impl_convert_'):
getattr(self, func)(descr, load=True)
try:
self._readonly = self._state_readonly
del(self._state_readonly)
@ -595,23 +597,6 @@ class Option(BaseOption):
else:
self._state_callback = (callback, cllbck_prms)
# serialize
def _impl_getstate(self, descr):
"""the under the hood stuff that need to be done
before the serialization.
"""
self._stated = True
self._impl_convert_callbacks(descr)
super(Option, self)._impl_getstate(descr)
# unserialize
def _impl_setstate(self, descr):
"""the under the hood stuff that need to be done
before the serialization.
"""
self._impl_convert_callbacks(descr, load=True)
super(Option, self)._impl_setstate(descr)
class ChoiceOption(Option):
"""represents a choice out of several objects.

22
tiramisu/setting.py
View File

@ -105,7 +105,7 @@ rw_remove = set(['permissive', 'everything_frozen', 'mandatory'])
# ____________________________________________________________
class _NameSpace:
class _NameSpace(object):
"""convenient class that emulates a module
and builds constants (that is, unique names)
when attribute is added, we cannot delete it
@ -591,3 +591,23 @@ class Settings(object):
:returns: path
"""
return self.context().cfgimpl_get_description().impl_get_path_by_opt(opt)
def get_modified_properties(self):
return self._p_.get_modified_properties()
def get_modified_permissives(self):
return self._p_.get_modified_permissives()
def __getstate__(self):
return {'_p_': self._p_, '_owner': str(self._owner)}
def _impl_setstate(self, storage):
self._p_._storage = storage
def __setstate__(self, states):
self._p_ = states['_p_']
try:
self._owner = getattr(owners, states['_owner'])
except AttributeError:
owners.addowner(states['_owner'])
self._owner = getattr(owners, states['_owner'])

25
tiramisu/storage/__init__.py
View File

@ -68,7 +68,7 @@ class StorageType(object):
storage_type = StorageType()
def set_storage(name, **args):
def set_storage(name, **kwargs):
"""Change storage's configuration
:params name: is the storage name. If storage is already set, cannot
@ -77,16 +77,31 @@ def set_storage(name, **args):
Other attributes are differents according to the selected storage's name
"""
storage_type.set(name)
settings = storage_type.get().Setting()
for option, value in args.items():
setting = storage_type.get().setting
for option, value in kwargs.items():
try:
getattr(settings, option)
setattr(settings, option, value)
getattr(setting, option)
setattr(setting, option, value)
except AttributeError:
raise ValueError(_('option {0} not already exists in storage {1}'
'').format(option, name))
def _impl_getstate_setting():
setting = storage_type.get().setting
state = {'name': storage_type.storage_type}
for var in dir(setting):
if not var.startswith('_'):
state[var] = getattr(setting, var)
return state
def get_storage(session_id, persistent, test):
"""all used when __setstate__ a Config
"""
return storage_type.get().Storage(session_id, persistent, test)
def get_storages(context, session_id, persistent):
def gen_id(config):
return str(id(config)) + str(time())

4
tiramisu/storage/dictionary/__init__.py
View File

@ -26,6 +26,6 @@ use it. But if something goes wrong, you will lost your modifications.
"""
from .value import Values
from .setting import Settings
from .storage import Setting, Storage, list_sessions, delete_session
from .storage import setting, Storage, list_sessions, delete_session
__all__ = (Setting, Values, Settings, Storage, list_sessions, delete_session)
__all__ = (setting, Values, Settings, Storage, list_sessions, delete_session)

17
tiramisu/storage/dictionary/setting.py
View File

@ -17,7 +17,7 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ____________________________________________________________
from ..cache import Cache
from ..util import Cache
class Settings(Cache):
@ -50,12 +50,21 @@ class Settings(Cache):
except KeyError:
pass
def get_properties(self, context):
return self._properties
# permissive
def setpermissive(self, path, permissive):
self._permissives[path] = frozenset(permissive)
def getpermissive(self, path=None):
return self._permissives.get(path, frozenset())
def get_modified_properties(self):
"""return all modified settings in a dictionary
example: {'path1': set(['prop1', 'prop2'])}
"""
return self._properties
def get_modified_permissives(self):
"""return all modified permissives in a dictionary
example: {'path1': set(['perm1', 'perm2'])}
"""
return self._permissives

12
tiramisu/storage/dictionary/storage.py
View File

@ -18,9 +18,10 @@
# ____________________________________________________________
from tiramisu.i18n import _
from tiramisu.error import ConfigError
from ..util import SerializeObject
class Setting(object):
class Setting(SerializeObject):
"""Dictionary storage has no particular setting.
"""
pass
@ -39,15 +40,18 @@ def delete_session(session_id):
class Storage(object):
__slots__ = ('session_id', 'values', 'settings')
__slots__ = ('session_id', 'persistent')
storage = 'dictionary'
#if object could be serializable
serializable = True
def __init__(self, session_id, persistent):
if session_id in _list_sessions:
def __init__(self, session_id, persistent, test=False):
if not test and session_id in _list_sessions:
raise ValueError(_('session already used'))
if persistent:
raise ValueError(_('a dictionary cannot be persistent'))
self.session_id = session_id
self.persistent = persistent
_list_sessions.append(self.session_id)
def __del__(self):

2
tiramisu/storage/dictionary/value.py
View File

@ -18,7 +18,7 @@
#
# ____________________________________________________________
from ..cache import Cache
from ..util import Cache
class Values(Cache):

4
tiramisu/storage/sqlite3/__init__.py
View File

@ -24,6 +24,6 @@ You should not configure differents Configs with same session_id.
"""
from .value import Values
from .setting import Settings
from .storage import Setting, Storage, list_sessions, delete_session
from .storage import setting, Storage, list_sessions, delete_session
__all__ = (Setting, Values, Settings, Storage, list_sessions, delete_session)
__all__ = (setting, Values, Settings, Storage, list_sessions, delete_session)

77
tiramisu/storage/sqlite3/setting.py
View File

@ -30,22 +30,22 @@ class Settings(Sqlite3DB):
permissives_table += 'primary key, permissives text)'
# should init cache too
super(Settings, self).__init__(storage)
self.storage.execute(settings_table, commit=False)
self.storage.execute(permissives_table)
self._storage.execute(settings_table, commit=False)
self._storage.execute(permissives_table)
# propertives
def setproperties(self, path, properties):
path = self._sqlite_encode_path(path)
self.storage.execute("DELETE FROM property WHERE path = ?", (path,),
False)
self.storage.execute("INSERT INTO property(path, properties) VALUES "
"(?, ?)", (path,
self._sqlite_encode(properties)))
self._storage.execute("DELETE FROM property WHERE path = ?", (path,),
False)
self._storage.execute("INSERT INTO property(path, properties) VALUES "
"(?, ?)", (path,
self._sqlite_encode(properties)))
def getproperties(self, path, default_properties):
path = self._sqlite_encode_path(path)
value = self.storage.select("SELECT properties FROM property WHERE "
"path = ?", (path,))
value = self._storage.select("SELECT properties FROM property WHERE "
"path = ?", (path,))
if value is None:
return set(default_properties)
else:
@ -53,42 +53,53 @@ class Settings(Sqlite3DB):
def hasproperties(self, path):
path = self._sqlite_encode_path(path)
return self.storage.select("SELECT properties FROM property WHERE "
"path = ?", (path,)) is not None
return self._storage.select("SELECT properties FROM property WHERE "
"path = ?", (path,)) is not None
def reset_all_propertives(self):
self.storage.execute("DELETE FROM property")
self._storage.execute("DELETE FROM property")
def reset_properties(self, path):
path = self._sqlite_encode_path(path)
self.storage.execute("DELETE FROM property WHERE path = ?", (path,))
def get_properties(self, context):
"""return all properties in a dictionary
"""
ret = {}
for path, properties in self.storage.select("SELECT * FROM property",
only_one=False):
path = self._sqlite_decode_path(path)
properties = self._sqlite_decode(properties)
ret[path] = properties
return ret
self._storage.execute("DELETE FROM property WHERE path = ?", (path,))
# permissive
def setpermissive(self, path, permissive):
path = self._sqlite_encode_path(path)
self.storage.execute("DELETE FROM permissive WHERE path = ?", (path,),
False)
self.storage.execute("INSERT INTO permissive(path, permissives) "
"VALUES (?, ?)", (path,
self._sqlite_encode(permissive)
))
self._storage.execute("DELETE FROM permissive WHERE path = ?", (path,),
False)
self._storage.execute("INSERT INTO permissive(path, permissives) "
"VALUES (?, ?)", (path,
self._sqlite_encode(permissive)
))
def getpermissive(self, path='_none'):
permissives = self.storage.select("SELECT permissives FROM "
"permissive WHERE path = ?",
(path,))
permissives = self._storage.select("SELECT permissives FROM "
"permissive WHERE path = ?",
(path,))
if permissives is None:
return frozenset()
else:
return frozenset(self._sqlite_decode(permissives[0]))
def get_modified_properties(self):
"""return all modified settings in a dictionary
example: {'path1': set(['prop1', 'prop2'])}
"""
ret = {}
for path, properties in self._storage.select("SELECT * FROM property",
only_one=False):
path = self._sqlite_decode_path(path)
ret[path] = self._sqlite_decode(properties)
return ret
def get_modified_permissives(self):
"""return all modified permissives in a dictionary
example: {'path1': set(['perm1', 'perm2'])}
"""
ret = {}
for path, permissives in self._storage.select("SELECT * FROM permissive",
only_one=False):
path = self._sqlite_decode_path(path)
ret[path] = self._sqlite_decode(permissives)
return ret

7
tiramisu/storage/sqlite3/sqlite3db.py
View File

@ -17,8 +17,11 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ____________________________________________________________
from cPickle import loads, dumps
from ..cache import Cache
try:
from cPickle import loads, dumps
except ImportError:
from pickle import loads, dumps
from ..util import Cache
class Sqlite3DB(Cache):

17
tiramisu/storage/sqlite3/storage.py
View File

@ -22,9 +22,10 @@ from os import unlink
from os.path import basename, splitext, join
import sqlite3
from glob import glob
from ..util import SerializeObject
class Setting(object):
class Setting(SerializeObject):
""":param extension: database file extension (by default: db)
:param dir_database: root database directory (by default: /tmp)
"""
@ -52,13 +53,17 @@ def delete_session(session_id):
class Storage(object):
__slots__ = ('_conn', '_cursor', 'persistent', '_session_id')
__slots__ = ('_conn', '_cursor', 'persistent', 'session_id', 'serializable')
storage = 'sqlite3'
def __init__(self, session_id, persistent):
def __init__(self, session_id, persistent, test=False):
self.persistent = persistent
self._session_id = session_id
self._conn = sqlite3.connect(_gen_filename(self._session_id))
if self.persistent:
self.serializable = True
else:
self.serializable = False
self.session_id = session_id
self._conn = sqlite3.connect(_gen_filename(self.session_id))
self._conn.text_factory = str
self._cursor = self._conn.cursor()
@ -80,4 +85,4 @@ class Storage(object):
self._cursor.close()
self._conn.close()
if not self.persistent:
delete_session(self._session_id)
delete_session(self.session_id)

24
tiramisu/storage/sqlite3/value.py
View File

@ -32,11 +32,11 @@ class Values(Sqlite3DB):
super(Values, self).__init__(storage)
values_table = 'CREATE TABLE IF NOT EXISTS value(path text primary '
values_table += 'key, value text, owner text)'
self.storage.execute(values_table, commit=False)
self._storage.execute(values_table, commit=False)
informations_table = 'CREATE TABLE IF NOT EXISTS information(key text primary '
informations_table += 'key, value text)'
self.storage.execute(informations_table)
for owner in self.storage.select("SELECT DISTINCT owner FROM value", tuple(), False):
self._storage.execute(informations_table)
for owner in self._storage.select("SELECT DISTINCT owner FROM value", tuple(), False):
try:
getattr(owners, owner[0])
except AttributeError:
@ -44,7 +44,7 @@ class Values(Sqlite3DB):
# sqlite
def _sqlite_select(self, path):
return self.storage.select("SELECT value FROM value WHERE path = ?",
return self._storage.select("SELECT value FROM value WHERE path = ?",
(path,))
# value
@ -54,7 +54,7 @@ class Values(Sqlite3DB):
"""
self.resetvalue(path)
path = self._sqlite_encode_path(path)
self.storage.execute("INSERT INTO value(path, value, owner) VALUES "
self._storage.execute("INSERT INTO value(path, value, owner) VALUES "
"(?, ?, ?)", (path, self._sqlite_encode(value),
str(owner)))
@ -76,14 +76,14 @@ class Values(Sqlite3DB):
"""remove value means delete value in storage
"""
path = self._sqlite_encode_path(path)
self.storage.execute("DELETE FROM value WHERE path = ?", (path,))
self._storage.execute("DELETE FROM value WHERE path = ?", (path,))
def get_modified_values(self):
"""return all values in a dictionary
example: {option1: (owner, 'value1'), option2: (owner, 'value2')}
"""
ret = {}
for path, value, owner in self.storage.select("SELECT * FROM value",
for path, value, owner in self._storage.select("SELECT * FROM value",
only_one=False):
path = self._sqlite_decode_path(path)
owner = getattr(owners, owner)
@ -97,7 +97,7 @@ class Values(Sqlite3DB):
"""change owner for an option
"""
path = self._sqlite_encode_path(path)
self.storage.execute("UPDATE value SET owner = ? WHERE path = ?",
self._storage.execute("UPDATE value SET owner = ? WHERE path = ?",
(str(owner), path))
def getowner(self, path, default):
@ -105,7 +105,7 @@ class Values(Sqlite3DB):
return: owner object
"""
path = self._sqlite_encode_path(path)
owner = self.storage.select("SELECT owner FROM value WHERE path = ?",
owner = self._storage.select("SELECT owner FROM value WHERE path = ?",
(path,))
if owner is None:
return default
@ -125,9 +125,9 @@ class Values(Sqlite3DB):
:param key: information's key (ex: "help", "doc"
:param value: information's value (ex: "the help string")
"""
self.storage.execute("DELETE FROM information WHERE key = ?", (key,),
self._storage.execute("DELETE FROM information WHERE key = ?", (key,),
False)
self.storage.execute("INSERT INTO information(key, value) VALUES "
self._storage.execute("INSERT INTO information(key, value) VALUES "
"(?, ?)", (key, self._sqlite_encode(value)))
def get_information(self, key):
@ -135,7 +135,7 @@ class Values(Sqlite3DB):
:param key: the item string (ex: "help")
"""
value = self.storage.select("SELECT value FROM information WHERE key = ?",
value = self._storage.select("SELECT value FROM information WHERE key = ?",
(key,))
if value is None:
raise ValueError("not found")

54
tiramisu/storage/cache.py → tiramisu/storage/util.py
View File

@ -17,15 +17,65 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ____________________________________________________________
from tiramisu.setting import owners
class SerializeObject(object):
def __getstate__(self):
ret = {}
for key in dir(self):
if not key.startswith('__'):
ret[key] = getattr(self, key)
return ret
class Cache(object):
__slots__ = ('_cache', 'storage')
__slots__ = ('_cache', '_storage')
key_is_path = False
def __init__(self, storage):
self._cache = {}
self.storage = storage
self._storage = storage
def __getstate__(self):
slots = set()
for subclass in self.__class__.__mro__:
if subclass is not object:
slots.update(subclass.__slots__)
slots -= frozenset(['__weakref__', '_storage'])
states = {}
for slot in slots:
try:
value = getattr(self, slot)
#value has owners object, need 'str()' it
if slot == '_values':
_value = {}
for key, values in value.items():
vals = list(values)
vals[0] = str(vals[0])
_value[key] = tuple(vals)
states[slot] = _value
else:
states[slot] = value
except AttributeError:
pass
return states
def __setstate__(self, states):
for key, value in states.items():
#value has owners object, need to reconstruct it
if key == '_values':
_value = {}
for key_, values_ in value.items():
vals = list(values_)
try:
vals[0] = getattr(owners, vals[0])
except AttributeError:
owners.addowner(vals[0])
vals[0] = getattr(owners, vals[0])
_value[key_] = tuple(vals)
value = _value
setattr(self, key, value)
def setcache(self, path, val, time):
self._cache[path] = (val, time)

14
tiramisu/value.py
View File

@ -204,7 +204,9 @@ class Values(object):
if not no_value_slave:
try:
value = self._getcallback_value(opt, max_len=lenmaster)
except ConfigError as config_error:
except ConfigError as err:
# cannot assign config_err directly in python 3.3
config_error = err
value = None
# should not raise PropertiesOptionError if option is
# mandatory
@ -359,6 +361,14 @@ class Values(object):
raise ValueError(_("information's item"
" not found: {0}").format(key))
def __getstate__(self):
return {'_p_': self._p_}
def _impl_setstate(self, storage):
self._p_._storage = storage
def __setstate__(self, states):
self._p_ = states['_p_']
# ____________________________________________________________
# multi types
@ -386,7 +396,7 @@ class Multi(list):
value = [value]
if validate and self.opt.impl_get_multitype() == multitypes.slave:
value = self._valid_slave(value, setitem)
elif self.opt.impl_get_multitype() == multitypes.master:
elif validate and self.opt.impl_get_multitype() == multitypes.master:
self._valid_master(value)
super(Multi, self).__init__(value)