Merge branch 'develop' into dist/risotto/risotto-2.8.0/develop

ChangeLog

@@ -1,3 +1,8 @@
+Mon Apr  1 11:47:30 2019 +0200 Emmanuel Garette <egarette@cadoles.com>
+	* version 3.0 rc16
+	* tiramisu is now async
+	* add postgresql storage
+
 Mon Sep  2 14:10:40 2019 +0200 Emmanuel Garette <egarette@cadoles.com>
 	* version 3.0 rc15
 	* add parents method to MetaConfig

debian/control

@@ -1,12 +1,12 @@
-Source: tiramisu
+Source: python3-tiramisu3
 Section: admin
 Priority: extra
 Maintainer: Cadoles <contact@cadoles.com>
-Build-depends: debhelper (>=11), python3-all, python3-setuptools
+Build-depends: debhelper (>=11), python3-all, python3-setuptools, dh-python
 Standards-Version: 3.9.4
 Homepage: https://framagit.org/tiramisu/tiramisu.git
 
-Package: tiramisu
+Package: python3-tiramisu3
 Architecture: any
 Pre-Depends: dpkg, python3, ${misc:Pre-Depends}
 Depends: ${python:Depends}, ${misc:Depends}

debian/rules

@@ -3,8 +3,9 @@
 # output every command that modifies files on the build system.
 #DH_VERBOSE = 1
 
-export PYBUILD_NAME = tiramisu
+export PACKAGE_DST=tiramisu3
-export PYBUILD_DISABLE_python3 = test
+export PYBUILD_NAME=python3-tiramisu3
+export PYBUILD_DISABLE_python3=test
 
 %:
 	dh $@ --with python3 --buildsystem=pybuild

setup.py

@@ -1,11 +1,17 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-from setuptools import setup, find_packages
+from setuptools import setup
 import os
 from tiramisu import __version__
 
 
-PACKAGE_NAME = os.environ.get('PACKAGE_DST', 'tiramisu')
+ORI_PACKAGE_NAME = 'tiramisu'
+PACKAGE_NAME = os.environ.get('PACKAGE_DST', ORI_PACKAGE_NAME)
+
+if PACKAGE_NAME != ORI_PACKAGE_NAME:
+    package_dir = {PACKAGE_NAME: ORI_PACKAGE_NAME}
+else:
+    package_dir = None
 
 setup(
     version=__version__,
@@ -40,5 +46,6 @@ producing flexible and fast options access.
 This version requires Python 3.5 or later.
 """,
     include_package_data=True,
-    packages=find_packages(include=['tiramisu'])
+    package_dir=package_dir,
+    packages=[PACKAGE_NAME],
 )

tests/test_duplicate_config.py

@@ -59,6 +59,16 @@ async def test_copy():
     assert not await list_sessions()
 
 
+@pytest.mark.asyncio
+async def test_copy_information():
+    od = make_description()
+    async with await Config(od) as cfg:
+        await cfg.information.set('key', 'value')
+        async with await cfg.config.copy() as ncfg:
+            assert await ncfg.information.get('key') == 'value'
+    assert not await list_sessions()
+
+
 @pytest.mark.asyncio
 async def test_copy_force_store_value():
     od = make_description()

tests/test_dyn_optiondescription.py

@@ -9,7 +9,9 @@ from tiramisu import BoolOption, StrOption, ChoiceOption, IPOption, \
     StrOption, PortOption, BroadcastOption, DomainnameOption, \
     EmailOption, URLOption, UsernameOption, FilenameOption, SymLinkOption, \
     OptionDescription, DynOptionDescription, SynDynOption, submulti, Leadership, \
-    Config, Params, ParamOption, ParamValue, ParamSuffix, ParamSelfOption, ParamIndex, Calculation, calc_value, \
+    Config, \
+    Params, ParamOption, ParamValue, ParamSuffix, ParamSelfOption, ParamDynOption, ParamIndex, \
+    Calculation, calc_value, \
     delete_session
 from tiramisu.error import PropertiesOptionError, ConfigError, ConflictError
 from tiramisu.storage import list_sessions
@@ -145,8 +147,8 @@ async def test_getdoc_dyndescription():
         assert await cfg.option('od.dodval2.stval2').option.name() == 'stval2'
         assert await cfg.option('od.dodval1').option.name() == 'dodval1'
         assert await cfg.option('od.dodval2').option.name() == 'dodval2'
-        assert await cfg.option('od.dodval1.stval1').option.doc() == 'doc1'
+        assert await cfg.option('od.dodval1.stval1').option.doc() == 'doc1val1'
-        assert await cfg.option('od.dodval2.stval2').option.doc() == 'doc1'
+        assert await cfg.option('od.dodval2.stval2').option.doc() == 'doc1val2'
         assert await cfg.option('od.dodval1').option.doc() == 'doc2val1'
         assert await cfg.option('od.dodval2').option.doc() == 'doc2val2'
     assert not await list_sessions()
@@ -289,6 +291,56 @@ async def test_callback_dyndescription():
     assert not await list_sessions()
 
 
+@pytest.mark.asyncio
+async def test_callback_dyndescription_outside_wrong_param():
+    lst = StrOption('lst', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', Calculation(return_dynval))
+    dod = DynOptionDescription('dod', '', [st], suffixes=Calculation(return_list, Params(ParamOption(lst))))
+    out = StrOption('out', '', Calculation(return_dynval, Params(ParamOption(st))))
+    od = OptionDescription('od', '', [dod, out])
+    od2 = OptionDescription('od', '', [od, lst])
+    async with await Config(od2) as cfg:
+        with pytest.raises(ConfigError):
+            await cfg.value.dict()
+    assert not await list_sessions()
+
+
+@pytest.mark.asyncio
+async def test_callback_dyndescription_outside1():
+    lst = StrOption('lst', '', ['val1', 'val2'], multi=True)
+    st = StrOption('st', '', Calculation(return_dynval))
+    dod = DynOptionDescription('dod', '', [st], suffixes=Calculation(return_list, Params(ParamOption(lst))))
+    out = StrOption('out', '', Calculation(return_dynval, Params(ParamDynOption(st, 'val1', dod))))
+    od = OptionDescription('od', '', [dod, out])
+    od2 = OptionDescription('od', '', [od, lst])
+    async with await Config(od2) as cfg:
+        assert await cfg.value.dict() == {'od.dodval1.stval1': 'val', 'od.dodval2.stval2': 'val', 'od.out': 'val', 'lst': ['val1', 'val2']}
+        await cfg.option('od.dodval1.stval1').value.set('val1')
+        await cfg.option('od.dodval2.stval2').value.set('val2')
+        assert await cfg.value.dict() == {'od.dodval1.stval1': 'val1', 'od.dodval2.stval2': 'val2', 'od.out': 'val1', 'lst': ['val1', 'val2']}
+        await cfg.option('lst').value.set(['val2'])
+        with pytest.raises(ConfigError):
+            await cfg.value.dict()
+        await cfg.option('lst').value.set(['val1'])
+        assert await cfg.value.dict() == {'od.dodval1.stval1': 'val1', 'od.out': 'val1', 'lst': ['val1']}
+    assert not await list_sessions()
+
+
+@pytest.mark.asyncio
+async def test_callback_dyndescription_outside2():
+    lst = StrOption('lst', '', ['val1', 'val2'], multi=True)
+    out = StrOption('out', '')
+    st = StrOption('st', '', Calculation(return_dynval, Params(ParamOption(out))))
+    dod = DynOptionDescription('dod', '', [st], suffixes=Calculation(return_list, Params(ParamOption(lst))))
+    od = OptionDescription('od', '', [dod, out])
+    od2 = OptionDescription('od', '', [od, lst])
+    async with await Config(od2) as cfg:
+        assert await cfg.value.dict() == {'od.dodval1.stval1': None, 'od.dodval2.stval2': None, 'od.out': None, 'lst': ['val1', 'val2']}
+        await cfg.option('od.out').value.set('val1')
+        assert await cfg.value.dict() == {'od.dodval1.stval1': 'val1', 'od.dodval2.stval2': 'val1', 'od.out': 'val1', 'lst': ['val1', 'val2']}
+    assert not await list_sessions()
+
+
 @pytest.mark.asyncio
 async def test_callback_list_dyndescription():
     st = StrOption('st', '', Calculation(return_list2, Params(ParamSuffix())), multi=True, properties=('notunique',))

tests/test_freeze.py

@@ -187,26 +187,6 @@ async def test_force_store_value():
     assert not await list_sessions()
 
 
-@pytest.mark.asyncio
-async def test_force_store_value_leadership_follower():
-    b = IntOption('int', 'Test int option', multi=True)
-    c = StrOption('str', 'Test string option', multi=True, properties=('force_store_value',))
-    descr = Leadership("int", "", [b, c])
-    with pytest.raises(ConfigError):
-        cfg = await Config(descr, session_id='error')
-    await delete_session('error')
-    assert not await list_sessions()
-
-
-#@pytest.mark.asyncio
-#async def test_force_store_value_leadership():
-#    b = IntOption('int', 'Test int option', multi=True, properties=('force_store_value',))
-#    c = StrOption('str', 'Test string option', multi=True)
-#    descr = Leadership("int", "", [b, c])
-#    cfg = await Config(descr)
-#    assert await cfg.value.get() == {'int': ('forced', ())}
-
-
 @pytest.mark.asyncio
 async def test_force_store_value_leadership_sub():
     b = IntOption('int', 'Test int option', multi=True, properties=('force_store_value',))

tests/test_metaconfig.py

@@ -358,6 +358,27 @@ async def test_meta_new_config_wrong_name():
     await delete_sessions(meta)
 
 
+@pytest.mark.asyncio
+async def test_meta_load_config():
+    od = make_description()
+    meta = await MetaConfig(['name1', 'name2'], optiondescription=od)
+    assert len(list(await meta.config.list())) == 2
+    await meta.config.load('name1')
+    assert len(list(await meta.config.list())) == 3
+    await delete_sessions(meta)
+
+
+@pytest.mark.asyncio
+async def test_meta_load_config_wrong_name():
+    od = make_description()
+    meta = await MetaConfig(['name1', 'name2'], optiondescription=od)
+    assert len(list(await meta.config.list())) == 2
+    with pytest.raises(ConfigError):
+        await meta.config.load('name3')
+    assert len(list(await meta.config.list())) == 2
+    await delete_sessions(meta)
+
+
 @pytest.mark.asyncio
 async def test_meta_meta_set():
     meta = await make_metaconfig(double=True)

tests/test_option_callback.py

@@ -10,7 +10,7 @@ from tiramisu.setting import groups, owners
 from tiramisu import ChoiceOption, BoolOption, IntOption, FloatOption, \
     StrOption, OptionDescription, SymLinkOption, IPOption, NetmaskOption, Leadership, \
     undefined, Calculation, Params, ParamOption, ParamValue, ParamIndex, calc_value, \
-    valid_ip_netmask, ParamSelfOption
+    valid_ip_netmask, ParamSelfOption, ParamInformation
 from tiramisu.error import PropertiesOptionError, ConflictError, LeadershipError, ConfigError
 from tiramisu.i18n import _
 from tiramisu.storage import list_sessions
@@ -43,6 +43,10 @@ def return_value(value=None):
     return value
 
 
+async def return_async_value(value=None):
+    return value
+
+
 def return_value2(*args, **kwargs):
     value = list(args)
     value.extend(kwargs.values())
@@ -333,6 +337,50 @@ async def test_callback_value(config_type):
     assert not await list_sessions()
 
 
+@pytest.mark.asyncio
+async def test_callback_async_value(config_type):
+    val1 = StrOption('val1', "", 'val')
+    val2 = StrOption('val2', "", Calculation(return_async_value, Params(ParamOption(val1))))
+    val3 = StrOption('val3', "", Calculation(return_async_value, Params(ParamValue('yes'))))
+    val4 = StrOption('val4', "", Calculation(return_async_value, Params(kwargs={'value': ParamOption(val1)})))
+    val5 = StrOption('val5', "", Calculation(return_async_value, Params(ParamValue('yes'))))
+    maconfig = OptionDescription('rootconfig', '', [val1, val2, val3, val4, val5])
+    async with await Config(maconfig) as cfg:
+        await cfg.property.read_write()
+        cfg = await get_config(cfg, config_type)
+        assert await cfg.option('val1').value.get() == 'val'
+        assert await cfg.option('val2').value.get() == 'val'
+        assert await cfg.option('val4').value.get() == 'val'
+        await cfg.option('val1').value.set('new-val')
+        assert await cfg.option('val1').value.get() == 'new-val'
+        assert await cfg.option('val2').value.get() == 'new-val'
+        assert await cfg.option('val4').value.get() == 'new-val'
+        await cfg.option('val1').value.reset()
+        assert await cfg.option('val1').value.get() == 'val'
+        assert await cfg.option('val2').value.get() == 'val'
+        assert await cfg.option('val3').value.get() == 'yes'
+        assert await cfg.option('val4').value.get() == 'val'
+        assert await cfg.option('val5').value.get() == 'yes'
+    assert not await list_sessions()
+
+
+@pytest.mark.asyncio
+async def test_callback_information(config_type):
+    val1 = StrOption('val1', "", Calculation(return_value, Params(ParamInformation('information', 'no_value'))))
+    val2 = StrOption('val2', "", Calculation(return_value, Params(ParamInformation('information'))))
+    maconfig = OptionDescription('rootconfig', '', [val1, val2])
+    async with await Config(maconfig) as cfg:
+        await cfg.property.read_write()
+        cfg = await get_config(cfg, config_type)
+        assert await cfg.option('val1').value.get() == 'no_value'
+        with pytest.raises(ConfigError):
+            await cfg.option('val2').value.get()
+        await cfg.information.set('information', 'new_value')
+        assert await cfg.option('val1').value.get() == 'new_value'
+        assert await cfg.option('val2').value.get() == 'new_value'
+    assert not await list_sessions()
+
+
 @pytest.mark.asyncio
 async def test_callback_value_tuple(config_type):
     val1 = StrOption('val1', "", 'val1')
@@ -1433,11 +1481,14 @@ async def test_calc_value_remove_duplicate(config_type):
 async def test_calc_value_join(config_type):
     val1 = StrOption('val1', "", 'val1')
     val2 = StrOption('val2', "", 'val2')
-    val3 = StrOption('val3', "", Calculation(calc_value, Params((ParamOption(val1), ParamOption(val2)), join=ParamValue('.'))))
+    val3 = StrOption('val3', "")
-    od = OptionDescription('root', '', [val1, val2, val3])
+    val4 = StrOption('val4', "", Calculation(calc_value, Params((ParamOption(val1), ParamOption(val2), ParamOption(val3)), join=ParamValue('.'))))
+    od = OptionDescription('root', '', [val1, val2, val3, val4])
     async with await Config(od) as cfg:
         cfg = await get_config(cfg, config_type)
-        assert await cfg.value.dict() == {'val1': 'val1', 'val2': 'val2', 'val3': 'val1.val2'}
+        assert await cfg.value.dict() == {'val1': 'val1', 'val2': 'val2', 'val3': None, 'val4': None}
+        await cfg.option('val3').value.set('val3')
+        assert await cfg.value.dict() == {'val1': 'val1', 'val2': 'val2', 'val3': 'val3', 'val4': 'val1.val2.val3'}
     assert not await list_sessions()
 
 

tests/test_submulti.py

@@ -5,7 +5,6 @@ import pytest
 import warnings
 
 
-from tiramisu.api import TIRAMISU_VERSION
 from tiramisu.setting import groups, owners
 from tiramisu import StrOption, IntOption, OptionDescription, submulti, Leadership, Config, \
                      MetaConfig, undefined, Params, ParamOption, Calculation
@@ -38,11 +37,7 @@ async def test_unknown_multi():
 @pytest.mark.asyncio
 async def test_submulti():
     multi = StrOption('multi', '', multi=submulti)
-    if TIRAMISU_VERSION == 2:
+    multi2 = StrOption('multi2', '', default_multi=['yes'], multi=submulti)
-        default_multi = 'yes'
-    else:
-        default_multi = ['yes']
-    multi2 = StrOption('multi2', '', default_multi=default_multi, multi=submulti)
     multi3 = StrOption('multi3', '', default=[['yes']], multi=submulti)
     od = OptionDescription('od', '', [multi, multi2, multi3])
     async with await Config(od) as cfg:
@@ -66,11 +61,7 @@ async def test_submulti_default_multi_not_list():
 @pytest.mark.asyncio
 async def test_append_submulti():
     multi = StrOption('multi', '', multi=submulti)
-    if TIRAMISU_VERSION == 2:
+    multi2 = StrOption('multi2', '', default_multi=['yes'], multi=submulti)
-        default_multi = 'yes'
-    else:
-        default_multi = ['yes']
-    multi2 = StrOption('multi2', '', default_multi=default_multi, multi=submulti)
     multi3 = StrOption('multi3', '', default=[['yes']], multi=submulti)
     od = OptionDescription('od', '', [multi, multi2, multi3])
     async with await Config(od) as cfg:
@@ -104,11 +95,7 @@ async def test_append_submulti():
 @pytest.mark.asyncio
 async def test_append_unvalide_submulti():
     multi = StrOption('multi', '', multi=submulti)
-    if TIRAMISU_VERSION == 2:
+    multi2 = StrOption('multi2', '', default_multi=['yes'], multi=submulti)
-        default_multi = 'yes'
-    else:
-        default_multi = ['yes']
-    multi2 = StrOption('multi2', '', default_multi=default_multi, multi=submulti)
     multi3 = StrOption('multi3', '', default=[['yes']], multi=submulti)
     od = OptionDescription('od', '', [multi, multi2, multi3])
     async with await Config(od) as cfg:
@@ -137,11 +124,7 @@ async def test_append_unvalide_submulti():
 @pytest.mark.asyncio
 async def test_pop_submulti():
     multi = StrOption('multi', '', multi=submulti)
-    if TIRAMISU_VERSION == 2:
+    multi2 = StrOption('multi2', '', default_multi=['yes'], multi=submulti)
-        default_multi = 'yes'
-    else:
-        default_multi = ['yes']
-    multi2 = StrOption('multi2', '', default_multi=default_multi, multi=submulti)
     multi3 = StrOption('multi3', '', default=[['yes']], multi=submulti)
     od = OptionDescription('od', '', [multi, multi2, multi3])
     async with await Config(od) as cfg:
@@ -267,6 +250,27 @@ async def test_values_with_leader_and_followers_submulti():
     assert not await list_sessions()
 
 
+@pytest.mark.asyncio
+async def test_values_with_leader_and_followers_submulti_default_multi():
+    ip_admin_eth0 = StrOption('ip_admin_eth0', "ip réseau autorisé", multi=True)
+    netmask_admin_eth0 = StrOption('netmask_admin_eth0', "masque du sous-réseau", multi=submulti, default_multi=['255.255.0.0', '0.0.0.0'])
+    interface1 = Leadership('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
+    maconfig = OptionDescription('toto', '', [interface1])
+    async with await Config(maconfig) as cfg:
+        await cfg.property.read_write()
+        owner = await cfg.owner.get()
+        assert interface1.impl_get_group_type() == groups.leadership
+        assert await cfg.option('ip_admin_eth0.ip_admin_eth0').owner.get() == owners.default
+        await cfg.option('ip_admin_eth0.ip_admin_eth0').value.set(["192.168.230.145"])
+        assert await cfg.option('ip_admin_eth0.ip_admin_eth0').value.get() == ["192.168.230.145"]
+        assert await cfg.option('ip_admin_eth0.netmask_admin_eth0', 0).value.get() == ['255.255.0.0', '0.0.0.0']
+        await cfg.option('ip_admin_eth0.ip_admin_eth0').value.set(["192.168.230.145", "192.168.230.147"])
+        await cfg.option('ip_admin_eth0.netmask_admin_eth0', 0).value.set(['255.255.255.0'])
+        assert await cfg.option('ip_admin_eth0.netmask_admin_eth0', 0).value.get() == ['255.255.255.0']
+        assert await cfg.option('ip_admin_eth0.netmask_admin_eth0', 1).value.get() == ['255.255.0.0', '0.0.0.0']
+    assert not await list_sessions()
+
+
 @pytest.mark.asyncio
 async def test_reset_values_with_leader_and_followers_submulti():
     ip_admin_eth0 = StrOption('ip_admin_eth0', "ip réseau autorisé", multi=True)
@@ -429,6 +433,20 @@ async def test_callback_submulti():
     assert not await list_sessions()
 
 
+@pytest.mark.asyncio
+async def test_callback_submulti_follower():
+    multi = StrOption('multi', '', multi=True)
+    multi2 = StrOption('multi2', '', Calculation(return_list), multi=submulti)
+    od = Leadership('multi', '', [multi, multi2])
+    od = OptionDescription('multi', '', [od])
+    async with await Config(od) as cfg:
+        await cfg.property.read_write()
+        assert await cfg.option('multi.multi').value.get() == []
+        await cfg.option('multi.multi').value.set(['val'])
+        assert await cfg.option('multi.multi2', 0).value.get() == ['val', 'val']
+    assert not await list_sessions()
+
+
 @pytest.mark.asyncio
 async def test_submulti_unique():
     i = IntOption('int', '', multi=submulti, properties=('unique',))

tiramisu/__init__.py

@@ -17,8 +17,8 @@
 from .function import calc_value, calc_value_property_help, valid_ip_netmask, \
                       valid_network_netmask, valid_in_network, valid_broadcast, \
                       valid_not_equal
-from .autolib import Calculation, Params, ParamOption, ParamSelfOption, ParamValue, \
+from .autolib import Calculation, Params, ParamOption, ParamDynOption, ParamSelfOption, \
-                     ParamIndex, ParamSuffix
+                     ParamValue, ParamIndex, ParamSuffix, ParamInformation
 from .option import *
 from .error import APIError
 from .api import Config, MetaConfig, GroupConfig, MixConfig
@@ -31,10 +31,12 @@ from .storage import default_storage, Storage, list_sessions, \
 allfuncs = ['Calculation',
             'Params',
             'ParamOption',
+            'ParamDynOption',
             'ParamSelfOption',
             'ParamValue',
             'ParamIndex',
             'ParamSuffix',
+            'ParamInformation',
             'MetaConfig',
             'MixConfig',
             'GroupConfig',

tiramisu/api.py

@@ -52,7 +52,7 @@ class TiramisuHelp:
             if module_name in ['forcepermissive', 'unrestraint']:
                 force = True
                 max_len = max(max_len, len('forcepermissive'))
-            elif module_name is not 'help' and not module_name.startswith('_'):
+            elif module_name != 'help' and not module_name.startswith('_'):
                 modules.append(module_name)
                 max_len = max(max_len, len(module_name))
         modules.sort()
@@ -87,8 +87,8 @@ class CommonTiramisu(TiramisuHelp):
 
     async def _get_option(self,
                           connection) -> Any:
+        config_bag = self._option_bag.config_bag
         if not self._subconfig:
-            config_bag = self._option_bag.config_bag
             try:
                 subconfig, name = await config_bag.context.cfgimpl_get_home_by_path(self._option_bag.path,
                                                                                     config_bag,
@@ -101,7 +101,7 @@ class CommonTiramisu(TiramisuHelp):
             self._name = name
         option = self._option_bag.option
         if option is None:
-            option = await self._subconfig.cfgimpl_get_description().get_child(name,
+            option = await self._subconfig.cfgimpl_get_description().get_child(self._name,
                                                                                config_bag,
                                                                                self._subconfig.cfgimpl_get_path())
             self._option_bag.option = option
@@ -212,6 +212,17 @@ class _TiramisuOptionOptionDescription(CommonTiramisuOption):
         """Test if option has dependency"""
         return self._option_bag.option.impl_has_dependency(self_is_dep)
 
+    @option_and_connection
+    async def dependencies(self):
+        """Get dependencies from this option"""
+        options = []
+        for option in self._option_bag.option._get_dependencies(self._option_bag.config_bag.context):
+            options.append(TiramisuOption(option().impl_getpath(),
+                                          None,
+                                          self._option_bag.config_bag,
+                                          ))
+        return options
+
     @option_and_connection
     async def isoptiondescription(self):
         """Test if option is an optiondescription"""
@@ -874,24 +885,35 @@ def connection(func):
 class TiramisuContextInformation(TiramisuConfig):
     """Manage config informations"""
     @connection
-    async def get(self, name, default=undefined):
+    async def get(self,
+                  name,
+                  default=undefined,
+                  ):
         """Get an information"""
         return await self._config_bag.context.impl_get_information(self._config_bag.connection,
                                                                    name,
-                                                                   default)
+                                                                   default,
+                                                                   )
 
     @connection
-    async def set(self, name, value):
+    async def set(self,
+                  name,
+                  value,
+                  ):
         """Set an information"""
-        await self._config_bag.context.impl_set_information(self._config_bag.connection,
+        await self._config_bag.context.impl_set_information(self._config_bag,
                                                             name,
-                                                            value)
+                                                            value,
+                                                            )
 
     @connection
-    async def reset(self, name):
+    async def reset(self,
+                    name,
+                    ):
         """Remove an information"""
         await self._config_bag.context.impl_del_information(self._config_bag.connection,
-                                                            name)
+                                                            name,
+                                                            )
 
     @connection
     async def list(self):
@@ -1533,8 +1555,7 @@ class _TiramisuContextMixConfig(_TiramisuContextGroupConfig, _TiramisuContextCon
     async def new(self,
                   session_id,
                   storage=None,
-                  type='config',
+                  type='config'):
-                  new=None):
         """Create and add a new config"""
         config = self._config_bag.context
         if storage is None:
@@ -1545,7 +1566,26 @@ class _TiramisuContextMixConfig(_TiramisuContextGroupConfig, _TiramisuContextCon
                                                  session_id=session_id,
                                                  storage=storage,
                                                  type_=type,
-                                                 new=new)
+                                                 )
+        return await self._return_config(new_config,
+                                         storage)
+
+    async def load(self,
+                   session_id,
+                   storage=None,
+                   type='config',
+                   ):
+        """Create and add a new config"""
+        config = self._config_bag.context
+        if storage is None:
+            storage = config._storage
+        storage_obj = await storage.get()
+        async with storage_obj.Connection() as connection:
+            new_config = await config.load_config(connection,
+                                                  session_id=session_id,
+                                                  storage=storage,
+                                                  type_=type,
+                                                  )
         return await self._return_config(new_config,
                                          storage)
 

tiramisu/autolib.py

@@ -19,6 +19,7 @@
 # ____________________________________________________________
 "enables us to carry out a calculation and return an option's value"
 from typing import Any, Optional, Union, Callable, Dict, List
+from types import CoroutineType
 from itertools import chain
 
 from .error import PropertiesOptionError, ConfigError, LeadershipError, ValueWarning
@@ -81,6 +82,25 @@ class ParamOption(Param):
         self.raisepropertyerror = raisepropertyerror
 
 
+class ParamDynOption(ParamOption):
+    __slots__ = ('suffix',)
+    def __init__(self,
+                 option: 'Option',
+                 suffix: str,
+                 dynoptiondescription: 'DynOptionDescription',
+                 notraisepropertyerror: bool=False,
+                 raisepropertyerror: bool=False,
+                 todict: bool=False,
+                 ) -> None:
+        super().__init__(option,
+                         notraisepropertyerror,
+                         raisepropertyerror,
+                         todict,
+                         )
+        self.suffix = suffix
+        self.dynoptiondescription = dynoptiondescription
+
+
 class ParamSelfOption(Param):
     __slots__ = ('todict', 'whole')
     def __init__(self,
@@ -98,6 +118,16 @@ class ParamValue(Param):
         self.value = value
 
 
+class ParamInformation(Param):
+    __slots__ = ('information_name',)
+    def __init__(self,
+                 information_name: str,
+                 default_value: Any=undefined,
+                 ) -> None:
+        self.information_name = information_name
+        self.default_value = default_value
+
+
 class ParamIndex(Param):
     __slots__ = tuple()
 
@@ -136,7 +166,9 @@ class Calculation:
                 option_bag: OptionBag,
                 leadership_must_have_index: bool=False,
                 orig_value: Any=undefined,
-                allow_raises=False) -> Any:
+                allow_value_error=False,
+                force_value_warning=False,
+                ) -> Any:
         return await carry_out_calculation(option_bag.option,
                                            callback=self.function,
                                            callback_params=self.params,
@@ -144,7 +176,9 @@ class Calculation:
                                            config_bag=option_bag.config_bag,
                                            leadership_must_have_index=leadership_must_have_index,
                                            orig_value=orig_value,
-                                           allow_raises=allow_raises)
+                                           allow_value_error=allow_value_error,
+                                           force_value_warning=force_value_warning,
+                                           )
 
     async def help(self,
                    option_bag: OptionBag,
@@ -175,7 +209,7 @@ class Break(Exception):
     pass
 
 
-async def manager_callback(callbk: Union[ParamOption, ParamValue],
+async def manager_callback(callbk: Param,
                            option,
                            index: Optional[int],
                            orig_value,
@@ -214,7 +248,10 @@ async def manager_callback(callbk: Union[ParamOption, ParamValue],
             value = value[apply_index]
         return value
 
-    async def get_value(callbk, option_bag, path):
+    async def get_value(callbk,
+                        option_bag,
+                        path,
+                        ):
         try:
             # get value
             value = await config_bag.context.getattr(path,
@@ -227,6 +264,10 @@ async def manager_callback(callbk: Union[ParamOption, ParamValue],
                                 ', {}').format(option.impl_get_display_name(), err), err)
         except ValueError as err:
             raise ValueError(_('the option "{0}" is used in a calculation but is invalid ({1})').format(option_bag.option.impl_get_display_name(), err))
+        except AttributeError as err:
+            raise ConfigError(_('impossible to calculate "{0}", {1}').format(option_bag.option.impl_get_display_name(),
+                                                                             err,
+                                                                             ))
         return value
 
     async def get_option_bag(config_bag,
@@ -255,12 +296,23 @@ async def manager_callback(callbk: Union[ParamOption, ParamValue],
     if isinstance(callbk, ParamValue):
         return callbk.value
 
+    if isinstance(callbk, ParamInformation):
+        try:
+            return await config_bag.context.impl_get_information(config_bag.connection,
+                                                                 callbk.information_name,
+                                                                 callbk.default_value,
+                                                                 )
+        except ValueError as err:
+            raise ConfigError(_('option "{}" cannot be calculated: {}').format(option.impl_get_display_name(),
+                                                                               str(err),
+                                                                               ))
+
     if isinstance(callbk, ParamIndex):
         return index
 
     if isinstance(callbk, ParamSuffix):
         if not option.issubdyn():
-            raise ConfigError('option "{}" is not in a dynoptiondescription'.format(option.impl_get_display_name()))
+            raise ConfigError(_('option "{}" is not in a dynoptiondescription').format(option.impl_get_display_name()))
         return option.impl_getsuffix()
 
     if isinstance(callbk, ParamSelfOption):
@@ -272,41 +324,59 @@ async def manager_callback(callbk: Union[ParamOption, ParamValue],
         return {'name': option.impl_get_display_name(),
                 'value': value}
 
-    # it's ParamOption
+    if isinstance(callbk, ParamOption):
-    callbk_option = callbk.option
+        callbk_option = callbk.option
-    if callbk_option.issubdyn():
+        if callbk_option.issubdyn():
-        callbk_option = callbk_option.to_dynoption(option.rootpath,
+            if isinstance(callbk, ParamDynOption):
-                                                   option.impl_getsuffix(),
+                subdyn = callbk.dynoptiondescription
-                                                   callbk_option.getsubdyn())
+                rootpath = subdyn.impl_getpath() + callbk.suffix
-    if leadership_must_have_index and callbk_option.impl_get_leadership() and index is None:
+                suffix = callbk.suffix
-        raise Break()
+            else:
-    if config_bag is undefined:
+                if not option.impl_is_dynsymlinkoption():
-        return undefined
+                    msg = 'option "{}" is not dynamic in callback of the option "{}"'
-    if index is not None and callbk_option.impl_get_leadership() and \
+                    raise ConfigError(_(msg).format(callbk_option.impl_get_display_name(),
-            callbk_option.impl_get_leadership().in_same_group(option):
+                                                    option.impl_get_display_name(),
-        if not callbk_option.impl_is_follower():
+                                                    ))
-            # leader
+                rootpath = option.rootpath
-            index_ = None
+                suffix = option.impl_getsuffix()
-            with_index = True
+                subdyn = callbk_option.getsubdyn()
+            callbk_option = callbk_option.to_dynoption(rootpath,
+                                                       suffix,
+                                                       subdyn)
+        if leadership_must_have_index and callbk_option.impl_get_leadership() and index is None:
+            raise Break()
+        if config_bag is undefined:
+            return undefined
+        if index is not None and callbk_option.impl_get_leadership() and \
+                callbk_option.impl_get_leadership().in_same_group(option):
+            if not callbk_option.impl_is_follower():
+                # leader
+                index_ = None
+                with_index = True
+            else:
+                # follower
+                index_ = index
+                with_index = False
         else:
-            # follower
+            index_ = None
-            index_ = index
             with_index = False
-    else:
+        path = callbk_option.impl_getpath()
-        index_ = None
+        option_bag = await get_option_bag(config_bag,
-        with_index = False
+                                          callbk_option,
-    path = callbk_option.impl_getpath()
+                                          index_,
-    option_bag = await get_option_bag(config_bag,
+                                          False)
-                                      callbk_option,
+        value = await get_value(callbk,
-                                      index_,
+                                option_bag,
-                                      False)
+                                path,
-    value = await get_value(callbk, option_bag, path)
+                                )
-    if with_index:
+        if with_index:
-        value = value[index]
+            value = value[index]
-    if not callbk.todict:
+        if not callbk.todict:
-        return value
+            return value
-    return {'name': callbk_option.impl_get_display_name(),
+        return {'name': callbk_option.impl_get_display_name(),
-            'value': value}
+                'value': value}
+    raise ConfigError(_('unknown callback type {} in option {}').format(callbk,
+                                                                        option.impl_get_display_name()))
 
 
 async def carry_out_calculation(option,
@@ -316,18 +386,18 @@ async def carry_out_calculation(option,
                                 config_bag: Optional[ConfigBag],
                                 orig_value=undefined,
                                 leadership_must_have_index: bool=False,
-                                allow_raises: int=False):
+                                allow_value_error: bool=False,
+                                force_value_warning: bool=False,
+                                ):
     """a function that carries out a calculation for an option's value
 
     :param option: the option
     :param callback: the name of the callback function
-    :type callback: str
     :param callback_params: the callback's parameters
                             (only keyword parameters are allowed)
-    :type callback_params: dict
     :param index: if an option is multi, only calculates the nth value
-    :type index: int
+    :param allow_value_error: to know if carry_out_calculation can return ValueError or ValueWarning (for example if it's a validation)
-    :param allow_raises: to know if carry_out_calculation is used to validate a value
+    :param force_value_warning: transform valueError to ValueWarning object
 
     The callback_params is a dict. Key is used to build args (if key is '')
     and kwargs (otherwise). Values are tuple of:
@@ -364,13 +434,14 @@ async def carry_out_calculation(option,
                         kwargs[key] = {'propertyerror': str(err)}
             except Break:
                 continue
-    ret = calculate(option,
+    ret = await calculate(option,
-                    callback,
+                          callback,
-                    allow_raises,
+                          allow_value_error,
-                    args,
+                          force_value_warning,
-                    kwargs)
+                          args,
+                          kwargs)
     if isinstance(ret, list) and not option.impl_is_dynoptiondescription() and \
-            option.impl_is_follower():
+            option.impl_is_follower() and not option.impl_is_submulti():
         if args or kwargs:
             raise LeadershipError(_('the "{}" function with positional arguments "{}" '
                                     'and keyword arguments "{}" must not return '
@@ -389,11 +460,13 @@ async def carry_out_calculation(option,
     return ret
 
 
-def calculate(option,
+async def calculate(option,
-              callback: Callable,
+                    callback: Callable,
-              allow_raises: bool,
+                    allow_value_error: bool,
-              args,
+                    force_value_warning: bool,
-              kwargs):
+                    args,
+                    kwargs,
+                    ):
     """wrapper that launches the 'callback'
 
     :param callback: callback function
@@ -402,13 +475,16 @@ def calculate(option,
 
     """
     try:
-        return callback(*args, **kwargs)
+        ret = callback(*args, **kwargs)
-    except ValueError as err:
+        if isinstance(ret, CoroutineType):
-        if allow_raises:
+            ret = await ret
+        return ret
+    except (ValueError, ValueWarning) as err:
+        if allow_value_error:
+            if force_value_warning:
+                raise ValueWarning(str(err))
             raise err
         error = err
-    except ValueWarning as err:
-        raise err
     except Exception as err:
         # import traceback
         # traceback.print_exc()

tiramisu/config.py

@@ -64,11 +64,11 @@ class SubConfig:
                 (not isinstance(descr, (BaseOption, SynDynOptionDescription)) or
                  not descr.impl_is_optiondescription()):
             try:
-                msg = descr.impl_get_displayname()
+                msg = descr.impl_get_display_name()
             except AttributeError:
                 msg = descr
-            raise TypeError(_('"{0}" must be an optiondescription, not an {1}'
+            raise TypeError(_('cannot create a sub config for "{0}" this is a "{1}", not an "OptionDescription"'
-                              ).format(msg, type(descr)))
+                              ).format(msg, descr.__class__.__name__))
         self._impl_descr = descr
         self._impl_context = context
         self._impl_path = subpath
@@ -124,6 +124,18 @@ class SubConfig:
                     await self.reset_one_option_cache(desc,
                                                       resetted_opts,
                                                       doption_bag)
+                    async for coption in self.cfgimpl_get_description().get_children_recursively(None,
+                                                                                                 None,
+                                                                                                 option_bag.config_bag):
+                        coption_bag = OptionBag()
+                        coption_bag.set_option(coption,
+                                               option_bag.index,
+                                               option_bag.config_bag)
+                        coption_bag.properties = await self.cfgimpl_get_settings().getproperties(coption_bag)
+                        await self.reset_one_option_cache(option,
+                                                          resetted_opts,
+                                                          coption_bag,
+                                                          )
             elif option.issubdyn():
                 # it's an option in dynoptiondescription, remove cache for all generated option
                 dynopt = option.getsubdyn()
@@ -550,17 +562,24 @@ class _CommonConfig(SubConfig):
 
     # information
     async def impl_set_information(self,
-                                   connection,
+                                   config_bag,
                                    key,
-                                   value):
+                                   value,
+                                   ):
         """updates the information's attribute
 
         :param key: information's key (ex: "help", "doc"
         :param value: information's value (ex: "the help string")
         """
-        await self._impl_values.set_information(connection,
+        await self._impl_values.set_information(config_bag.connection,
                                                 key,
                                                 value)
+        for option in config_bag.context.cfgimpl_get_description()._cache_dependencies_information.get(key, []):
+            option_bag = OptionBag()
+            option_bag.set_option(option,
+                                  None,
+                                  config_bag)
+            await config_bag.context.cfgimpl_reset_cache(option_bag)
 
     async def impl_get_information(self,
                                    connection,
@@ -635,6 +654,9 @@ class _CommonConfig(SubConfig):
         duplicated_settings = duplicated_config.cfgimpl_get_settings()
         await duplicated_values._p_.importation(connection,
                                                 await self.cfgimpl_get_values()._p_.exportation(connection))
+        await duplicated_values._p_.importation_informations(connection,
+                                                             await self.cfgimpl_get_values()._p_.exportation_informations(connection),
+                                                             )
         properties = await self.cfgimpl_get_settings()._p_.exportation(connection)
         await duplicated_settings._p_.importation(connection,
                                                   properties)
@@ -1176,13 +1198,30 @@ class KernelMixConfig(KernelGroupConfig):
                          session_id,
                          type_='config',
                          storage=None,
-                         new=None,
                          ):
-        if new is None:
+        if session_id in [child.impl_getname() for child in self._impl_children]:
-            new = session_id not in await list_sessions()
-        if new and session_id in [child.impl_getname() for child in self._impl_children]:
             raise ConflictError(_('config name must be uniq in '
                                   'groupconfig for {0}').format(session_id))
+        return await self.load_config(connection,
+                                      session_id,
+                                      type_,
+                                      storage,
+                                      new=True,
+                                      )
+
+    async def load_config(self,
+                          connection,
+                          session_id,
+                          type_='config',
+                          storage=None,
+                          new=False,
+                          ):
+        if storage is None:
+            storage = self._storage
+        if not new:
+            if session_id not in await list_sessions(storage=storage):
+                raise ConfigError(_('cannot find existing config with session_id to "{}"').format(session_id))
+
         assert type_ in ('config', 'metaconfig', 'mixconfig'), _('unknown type {}').format(type_)
         if type_ == 'config':
             config = await KernelConfig(self._impl_descr,

tiramisu/function.py

@@ -311,7 +311,10 @@ class CalcValue:
                                min_args_len)
         if not multi:
             if join is not None:
-                value = join.join(value)
+                if None not in value:
+                    value = join.join(value)
+                else:
+                    value = None
             elif value and operator:
                 new_value = value[0]
                 op = {'mul': mul,

tiramisu/i18n.py

@@ -55,7 +55,8 @@ def get_translation() -> str:
         trans = translation(domain=app_name,
                             localedir=translations_path,
                             languages=[user_locale],
-                            codeset='UTF-8')
+                            )
+#                            codeset='UTF-8')
     except FileNotFoundError:
         log.debug('cannot found translation file for langage {} in localedir {}'.format(user_locale,
                                                                                         translations_path))

tiramisu/option/baseoption.py

@@ -106,7 +106,7 @@ class Base:
                           context_od) -> Set[str]:
         ret = set(getattr(self, '_dependencies', STATIC_TUPLE))
         if context_od and hasattr(context_od, '_dependencies'):
-            # if context is set in options, add those options
+            # add options that have context is set in calculation
             return set(context_od._dependencies) | ret
         return ret
 
@@ -270,20 +270,36 @@ class BaseOption(Base):
         return self.impl_get_callback()[0] is not None
 
     def _impl_get_display_name(self,
-                               dyn_name: Base=None) -> str:
+                               dyn_name: Base=None,
+                               suffix: str=None,
+                               ) -> str:
         name = self.impl_get_information('doc', None)
         if name is None or name == '':
             if dyn_name is not None:
                 name = dyn_name
             else:
                 name = self.impl_getname()
+        elif suffix:
+            name += suffix
         return name
 
-    def impl_get_display_name(self,
+    def _get_display_name(self,
-                              dyn_name: Base=None) -> str:
+                          dyn_name,
+                          suffix,
+                          ):
         if hasattr(self, '_display_name_function'):
-            return self._display_name_function(self, dyn_name)
+            return self._display_name_function(self,
-        return self._impl_get_display_name(dyn_name)
+                                               dyn_name,
+                                               suffix,
+                                               )
+        return self._impl_get_display_name(dyn_name,
+                                           suffix,
+                                           )
+
+    def impl_get_display_name(self) -> str:
+        return self._get_display_name(None,
+                                      None,
+                                      )
 
     def reset_cache(self,
                     path: str,

tiramisu/option/choiceoption.py

@@ -76,17 +76,18 @@ class ChoiceOption(Option):
         if isinstance(self._choice_values, Calculation):
             return
         values = self._choice_values
-        if values is not undefined and value not in values:
+        self.validate_values(value, values)
-            if len(values) == 1:
-                raise ValueError(_('only "{0}" is allowed'
-                                   '').format(values[0]))
-            raise ValueError(_('only {0} are allowed'
-                               '').format(display_list(values, add_quote=True)))
 
     async def validate_with_option(self,
                                    value: Any,
                                    option_bag: OptionBag) -> None:
         values = await self.impl_get_values(option_bag)
+        self.validate_values(value, values)
+
+    def validate_values(self,
+                        value,
+                        values,
+                        ) -> None:
         if values is not undefined and value not in values:
             if len(values) == 1:
                 raise ValueError(_('only "{0}" is allowed'

tiramisu/option/dynoptiondescription.py

@@ -20,6 +20,8 @@
 # ____________________________________________________________
 import re
 from typing import List, Callable
+from itertools import chain
+from ..autolib import ParamOption
 
 
 from ..i18n import _
@@ -60,8 +62,12 @@ class DynOptionDescription(OptionDescription):
                                     'dynoptiondescription'))
             child._setsubdyn(self)
         # add suffixes
-        if __debug__ and isinstance(suffixes, Calculation):
+        if __debug__ and not isinstance(suffixes, Calculation):
-            self._suffixes = suffixes
+            raise ConfigError(_('suffixes in dynoptiondescription has to be a calculation'))
+        for param in chain(suffixes.params.args, suffixes.params.kwargs.values()):
+            if isinstance(param, ParamOption):
+                param.option._add_dependency(self)
+        self._suffixes = suffixes
 
     def convert_suffix_to_path(self,
                                suffix):

tiramisu/option/ipoption.py

@@ -62,7 +62,9 @@ class IPOption(StrOption):
 
     def _validate_ip(self, value):
         try:
-            ip_address(value)
+            new_value = str(ip_address(value))
+            if value != new_value:
+                raise ValueError(f'should be {new_value}')
         except ValueError:
             raise ValueError()
 

tiramisu/option/option.py

@@ -27,7 +27,7 @@ from itertools import chain
 from .baseoption import BaseOption, submulti, STATIC_TUPLE
 from ..i18n import _
 from ..setting import undefined, OptionBag, Undefined
-from ..autolib import Calculation, Params, ParamValue, ParamOption
+from ..autolib import Calculation, Params, ParamOption, ParamInformation
 from ..error import (ConfigError, ValueWarning, ValueErrorWarning, PropertiesOptionError,
                      ValueOptionError, display_list)
 from .syndynoption import SynDynOption
@@ -50,6 +50,7 @@ class Option(BaseOption):
                  #
                  '_validators',
                  #
+                 '_dependencies_information',
                  '_leadership',
                  '_choice_values',
                  '_choice_values_params',
@@ -66,6 +67,7 @@ class Option(BaseOption):
                  warnings_only: bool=False,
                  extra: Optional[Dict]=None):
         _setattr = object.__setattr__
+        _dependencies_information = []
         if not multi and default_multi is not None:
             raise ValueError(_("default_multi is set whereas multi is False"
                                " in option: {0}").format(name))
@@ -84,7 +86,9 @@ class Option(BaseOption):
             is_multi = True
             _multi = submulti
         else:
-            raise ValueError(_('invalid multi type "{}"').format(multi))
+            raise ValueError(_('invalid multi type "{}" for "{}"').format(multi,
+                                                                          name,
+                                                                          ))
         if _multi != 1:
             _setattr(self, '_multi', _multi)
         if multi is not False and default is None:
@@ -93,17 +97,18 @@ class Option(BaseOption):
                          doc,
                          properties=properties,
                          is_multi=is_multi)
-        if __debug__:
+        if validators is not None:
-            if validators is not None:
+            if __debug__ and not isinstance(validators, list):
-                if not isinstance(validators, list):
+                raise ValueError(_('validators must be a list of Calculation for "{}"').format(name))
-                    raise ValueError(_('validators must be a list of Calculation for "{}"').format(name))
+            for validator in validators:
-                for validator in validators:
+                if __debug__ and not isinstance(validator, Calculation):
-                    if not isinstance(validator, Calculation):
+                    raise ValueError(_('validators must be a Calculation for "{}"').format(name))
-                        raise ValueError(_('validators must be a Calculation for "{}"').format(name))
+                for param in chain(validator.params.args, validator.params.kwargs.values()):
-                    for param in chain(validator.params.args, validator.params.kwargs.values()):
+                    if isinstance(param, ParamOption):
-                        if isinstance(param, ParamOption):
+                        param.option._add_dependency(self)
-                            param.option._add_dependency(self)
+                        self._has_dependency = True
-                            self._has_dependency = True
+                    elif isinstance(param, ParamInformation):
+                        _dependencies_information.append(param.information_name)
 
                 self._validators = tuple(validators)
         if extra is not None and extra != {}:
@@ -154,29 +159,37 @@ class Option(BaseOption):
         self.sync_impl_validate(default,
                                 option_bag,
                                 check_error=False)
-        self.value_dependencies(default)
+        self.value_dependencies(default, _dependencies_information)
         if (is_multi and default != []) or \
                 (not is_multi and default is not None):
             if is_multi and isinstance(default, list):
                 default = tuple(default)
             _setattr(self, '_default', default)
+        if _dependencies_information:
+            self._dependencies_information = _dependencies_information
 
     def value_dependencies(self,
-                           value: Any) -> Any:
+                           value: Any,
+                           _dependencies_information: List[str],
+                           ) -> Any:
         if isinstance(value, list):
             for val in value:
                 if isinstance(value, list):
-                    self.value_dependencies(val)
+                    self.value_dependencies(val, _dependencies_information)
                 elif isinstance(value, Calculation):
-                    self.value_dependency(val)
+                    self.value_dependency(val, _dependencies_information)
         elif isinstance(value, Calculation):
-            self.value_dependency(value)
+            self.value_dependency(value, _dependencies_information)
 
     def value_dependency(self,
-                         value: Any) -> Any:
+                         value: Any,
+                         _dependencies_information: List[str],
+                         ) -> Any:
         for param in chain(value.params.args, value.params.kwargs.values()):
             if isinstance(param, ParamOption):
                 param.option._add_dependency(self)
+            elif isinstance(param, ParamInformation):
+                _dependencies_information.append(param.information_name)
 
     #__________________________________________________________________________
     # option's information
@@ -190,6 +203,9 @@ class Option(BaseOption):
     def impl_is_dynsymlinkoption(self) -> bool:
         return False
 
+    def get_dependencies_information(self) -> List[str]:
+        return getattr(self, '_dependencies_information', [])
+
     def get_type(self) -> str:
         # _display_name for compatibility with older version than 3.0rc3
         return getattr(self, '_type', self._display_name)
@@ -336,7 +352,9 @@ class Option(BaseOption):
                 if ((check_error and not calc_is_warnings_only) or
                         (not check_error and calc_is_warnings_only)):
                     try:
-                        kwargs = {'allow_raises': True}
+                        kwargs = {'allow_value_error': True,
+                                  'force_value_warning': calc_is_warnings_only,
+                                  }
                         if _index is not None and option_bag.index == _index:
                             soption_bag = option_bag
                         else:
@@ -347,17 +365,6 @@ class Option(BaseOption):
                         await validator.execute(soption_bag,
                                                 leadership_must_have_index=True,
                                                 **kwargs)
-                    except ValueError as err:
-                        if calc_is_warnings_only:
-                            warnings.warn_explicit(ValueWarning(val,
-                                                                self._display_name,
-                                                                self,
-                                                                '{0}'.format(err),
-                                                                _index),
-                                                   ValueWarning,
-                                                   self.__class__.__name__, 306)
-                        else:
-                            raise err
                     except ValueWarning as warn:
                         warnings.warn_explicit(ValueWarning(val,
                                                             self._display_name,
@@ -365,7 +372,7 @@ class Option(BaseOption):
                                                             '{0}'.format(warn),
                                                             _index),
                                                ValueWarning,
-                                               self.__class__.__name__, 316)
+                                               self.__class__.__name__, 356)
 
         async def do_validation(_value,
                                 _index):

tiramisu/option/optiondescription.py

@@ -30,7 +30,9 @@ from ..error import ConfigError, ConflictError
 
 
 class CacheOptionDescription(BaseOption):
-    __slots__ = ('_cache_force_store_values',)
+    __slots__ = ('_cache_force_store_values',
+                 '_cache_dependencies_information',
+                 )
 
     def impl_already_build_caches(self) -> bool:
         return self.impl_is_readonly()
@@ -42,7 +44,9 @@ class CacheOptionDescription(BaseOption):
                            currpath: List[str]=None,
                            cache_option=None,
                            force_store_values=None,
-                           display_name=None) -> None:
+                           dependencies_information=None,
+                           display_name=None,
+                           ) -> None:
         """validate options and set option has readonly option
         """
         # _consistencies is None only when we start to build cache
@@ -52,6 +56,7 @@ class CacheOptionDescription(BaseOption):
             if __debug__:
                 cache_option = []
             force_store_values = []
+            dependencies_information = {}
             currpath = []
         else:
             init = False
@@ -73,8 +78,11 @@ class CacheOptionDescription(BaseOption):
                                           sub_currpath,
                                           cache_option,
                                           force_store_values,
+                                          dependencies_information,
                                           display_name)
             else:
+                for information in option.get_dependencies_information():
+                    dependencies_information.setdefault(information, []).append(option)
                 is_multi = option.impl_is_multi()
                 if not option.impl_is_symlinkoption():
                     properties = option.impl_getproperties()
@@ -102,6 +110,7 @@ class CacheOptionDescription(BaseOption):
             option._set_readonly()
         if init:
             self._cache_force_store_values = force_store_values
+            self._cache_dependencies_information = dependencies_information
             self._path = self._name
             self._set_readonly()
 

tiramisu/option/syndynoption.py

@@ -59,7 +59,9 @@ class SynDynOption:
         return self.opt.impl_getname() + self.suffix
 
     def impl_get_display_name(self) -> str:
-        return self.opt.impl_get_display_name(dyn_name=self.impl_getname()) + self.suffix
+        return self.opt._get_display_name(dyn_name=self.impl_getname(),
+                                          suffix=self.suffix,
+                                          )
 
     def impl_getsuffix(self) -> str:
         return self.suffix

tiramisu/storage/dictionary/value.py

@@ -25,14 +25,11 @@ from copy import deepcopy
 
 class Values:
     __slots__ = ('_values',
-                 '_informations',
                  '_storage',
                  '__weakref__')
     def __init__(self, storage):
         """init plugin means create values storage
         """
-        #self._values = ([], [], [], [])
-        #self._informations = {}
         self._storage = storage
 
     def _setvalue_info(self, nb, idx, value, index, follower_idx=None):
@@ -296,6 +293,18 @@ class Values:
                                connection):
         self._storage.set_informations({})
 
+    async def exportation_informations(self,
+                                       connection,
+                                       ):
+        return deepcopy(self._storage.get_informations())
+
+    async def importation_informations(self,
+                                       connection,
+                                       informations,
+                                       ):
+        #deepcopy(informations)
+        return self._storage.set_informations(informations)
+
     async def exportation(self,
                           connection):
         return deepcopy(self._storage.get_values())

tiramisu/storage/postgres/value.py

@@ -231,6 +231,24 @@ class Values:
         await connection.execute("DELETE FROM information WHERE session_id = $1",
                                  self._storage.database_id)
 
+    async def exportation_informations(self,
+                                       connection,
+                                       ):
+        informations = {}
+        for path, key, value in await connection.fetch("SELECT path, key, value FROM information WHERE session_id = $1", self._storage.database_id):
+            path = self._storage.load_path(path)
+            informations.setdefault(path, {})[key] = loads(value)
+        return informations
+
+    async def importation_informations(self,
+                                       connection,
+                                       informations,
+                                       ):
+        for path, path_infos in informations.items():
+            for key, value in path_infos.items():
+                await connection.execute("INSERT INTO information(key, value, session_id, path) VALUES "
+                                         "($1, $2, $3, $4)", key, dumps(value), self._storage.database_id, path)
+
     async def exportation(self,
                           connection):
         # log.debug('exportation')

tiramisu/value.py

@@ -198,15 +198,27 @@ class Values:
         # now try to get default value:
         value = await self.calc_value(option_bag,
                                       option_bag.option.impl_getdefault())
-        if option_bag.option.impl_is_multi() and option_bag.index is not None and isinstance(value, (list, tuple)):
+        if option_bag.index is not None and isinstance(value, (list, tuple)):
-            # if index, must return good value for this index
+            if value and option_bag.option.impl_is_submulti():
-            if len(value) > option_bag.index:
+                # first index is a list, assume other data are list too
-                value = value[option_bag.index]
+                if isinstance(value[0], list):
-            else:
+                    # if index, must return good value for this index
-                # no value for this index, retrieve default multi value
+                    if len(value) > option_bag.index:
-                # default_multi is already a list for submulti
+                        value = value[option_bag.index]
-                value = await self.calc_value(option_bag,
+                    else:
-                                        option_bag.option.impl_getdefault_multi())
+                        # no value for this index, retrieve default multi value
+                        # default_multi is already a list for submulti
+                        value = await self.calc_value(option_bag,
+                                                      option_bag.option.impl_getdefault_multi())
+            elif option_bag.option.impl_is_multi():
+                # if index, must return good value for this index
+                if len(value) > option_bag.index:
+                    value = value[option_bag.index]
+                else:
+                    # no value for this index, retrieve default multi value
+                    # default_multi is already a list for submulti
+                    value = await self.calc_value(option_bag,
+                                            option_bag.option.impl_getdefault_multi())
         return value
 
     async def calculate_reset_cache(self,
@@ -229,7 +241,8 @@ class Values:
         await option_bag.config_bag.context.cfgimpl_reset_cache(option_bag)
 
     async def calculate_value(self,
-                              option_bag: OptionBag) -> Any:
+                              option_bag: OptionBag,
+                              ) -> Any:
 
         # if value has callback, calculate value
         callback, callback_params = option_bag.option.impl_get_callback()