Add MasterSlaves object
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@ -23,11 +23,11 @@ import re
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from ..i18n import _
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from ..setting import groups, undefined, owners # , log
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from ..setting import groups, undefined, owners, log, debug
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from .baseoption import BaseOption
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from .option import Option, ALLOWED_CONST_LIST
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from . import MasterSlaves
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from ..error import ConfigError, ConflictError
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#from . import MasterSlaves
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from ..error import ConfigError, ConflictError, SlaveError, PropertiesOptionError
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from ..autolib import carry_out_calculation
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@ -461,6 +461,7 @@ class OptionDescription(OptionDescriptionWalk):
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if isinstance(group_type, groups.GroupType):
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self._group_type = group_type
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if isinstance(group_type, groups.MasterGroupType):
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raise Exception('please use MasterSlaves object instead of OptionDescription')
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children = self.impl_getchildren()
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for child in children:
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if child._is_symlinkoption(): # pragma: optional cover
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@ -557,6 +558,300 @@ class SynDynOptionDescription(object):
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return self._opt
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class MasterSlaves(OptionDescription):
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__slots__ = ('master', 'slaves')
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def __init__(self, name, doc, children, requires=None, properties=None):
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#if master (same name has group) is set
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#for collect all slaves
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super(MasterSlaves, self).__init__(name,
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doc,
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children,
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requires=requires,
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properties=properties)
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self._group_type = groups.master
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slaves = []
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master = children[0]
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if master.impl_getname() != name:
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raise ValueError(_('master group with wrong'
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' master name for {0}'
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).format(name))
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for child in children[1:]:
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if child.impl_getdefault() != []:
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raise ValueError(_("not allowed default value for option {0} "
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"in master/slave object {1}").format(child.impl_getname(),
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name))
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slaves.append(child)
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child._add_dependency(self)
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for child in children:
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if child._is_symlinkoption(): # pragma: optional cover
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raise ValueError(_("master group {0} shall not have "
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"a symlinkoption").format(self.impl_getname()))
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if not isinstance(child, Option): # pragma: optional cover
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raise ValueError(_("master group {0} shall not have "
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"a subgroup").format(self.impl_getname()))
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if not child.impl_is_multi(): # pragma: optional cover
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raise ValueError(_("not allowed option {0} "
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"in group {1}"
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": this option is not a multi"
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"").format(child.impl_getname(), self.impl_getname()))
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callback, callback_params = master.impl_get_callback()
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if callback is not None and callback_params != {}:
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for callbacks in callback_params.values():
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for callbk in callbacks:
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if isinstance(callbk, tuple):
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if callbk[0] in slaves:
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raise ValueError(_("callback of master's option shall "
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"not refered a slave's ones"))
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#everything is ok, store references
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#self.master = master
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#self.slaves = tuple(slaves)
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for child in children:
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child._master_slaves = self
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master._add_dependency(self)
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def is_master(self, opt):
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master = self._children[0][0]
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return opt.impl_getname() == master or (opt.impl_is_dynsymlinkoption() and
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opt._opt.impl_getname() == master)
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def getmaster(self, opt):
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master = self._children[1][0]
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if opt is not None and opt.impl_is_dynsymlinkoption():
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suffix = opt.impl_getsuffix()
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name = master.impl_getname() + suffix
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base_path = opt._dyn.split('.')[0] + '.'
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path = base_path + name
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master = master._impl_to_dyn(name, path)
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return master
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def getslaves(self, opt):
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if opt.impl_is_dynsymlinkoption():
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for slave in self._children[1][1:]:
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suffix = opt.impl_getsuffix()
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name = slave.impl_getname() + suffix
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base_path = opt._dyn.split('.')[0] + '.'
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path = base_path + name
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yield slave._impl_to_dyn(name, path)
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else:
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for slave in self._children[1][1:]:
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yield slave
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def in_same_group(self, opt):
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if opt.impl_is_dynsymlinkoption():
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c_opt = opt._opt
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else:
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c_opt = opt
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return c_opt in self._children[1]
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def reset(self, opt, values, setting_properties, _commit=True):
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for slave in self.getslaves(opt):
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values.reset(slave, validate=False, _setting_properties=setting_properties,
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_commit=_commit)
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def pop(self, opt, values, index):
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for slave in self.getslaves(opt):
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if not values.is_default_owner(slave, validate_properties=False,
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validate_meta=False, index=index):
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multi = values._get_cached_value(slave, validate=False,
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validate_properties=False,
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)
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if isinstance(multi, Exception):
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raise multi
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multi.pop(index, force=True)
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def getitem(self, values, opt, path, validate, force_permissive,
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trusted_cached_properties, validate_properties,
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slave_path=undefined, slave_value=undefined,
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setting_properties=undefined, self_properties=undefined, index=None,
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check_frozen=False):
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if self.is_master(opt):
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return self._getmaster(values, opt, path, validate,
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force_permissive,
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validate_properties, slave_path,
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slave_value, self_properties, index,
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setting_properties, check_frozen)
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else:
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return self._getslave(values, opt, path, validate,
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force_permissive, trusted_cached_properties,
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validate_properties, setting_properties,
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self_properties, index,
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check_frozen)
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def _getmaster(self, values, opt, path, validate, force_permissive,
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validate_properties, c_slave_path,
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c_slave_value, self_properties, index,
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setting_properties, check_frozen):
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return values._get_cached_value(opt, path=path, validate=validate,
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force_permissive=force_permissive,
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validate_properties=validate_properties,
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self_properties=self_properties,
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from_masterslave=True, index=index,
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setting_properties=setting_properties,
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check_frozen=check_frozen)
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def _getslave(self, values, opt, path, validate, force_permissive,
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trusted_cached_properties, validate_properties, setting_properties,
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self_properties, index, check_frozen):
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"""
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if master has length 0:
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return []
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if master has length bigger than 0:
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if default owner:
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if has callback:
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if return a list:
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list same length as master: return list
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list is smaller than master: return list + None
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list is greater than master: raise SlaveError
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if has default value:
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list same length as master: return list
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list is smaller than master: return list + None
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list is greater than master: raise SlaveError
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if has default_multi value:
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return default_multi * master's length
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if has value:
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list same length as master: return list
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list is smaller than master: return list + None
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list is greater than master: raise SlaveError
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"""
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master = self.getmaster(opt)
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context = values._getcontext()
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masterp = master.impl_getpath(context)
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mastervalue = values._get_cached_value(master, path=masterp, validate=validate,
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force_permissive=force_permissive,
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validate_properties=validate_properties,
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self_properties=self_properties,
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from_masterslave=True,
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setting_properties=setting_properties,
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check_frozen=check_frozen)
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if isinstance(mastervalue, Exception):
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if isinstance(mastervalue, PropertiesOptionError):
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mastervalue.set_orig_opt(opt)
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return mastervalue
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masterlen = len(mastervalue)
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master_is_meta = values._is_meta(master, masterp, force_permissive=force_permissive)
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multi = values._get_multi(opt, path)
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if validate_properties:
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props = context.cfgimpl_get_settings().validate_properties(opt, False,
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check_frozen,
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value=multi,
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path=path,
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force_permissive=force_permissive,
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setting_properties=setting_properties)
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if props:
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return props
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if index is None:
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indexes = xrange(0, masterlen)
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else:
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indexes = [index]
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for idx in indexes:
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value = values._get_cached_value(opt, path, validate,
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force_permissive,
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trusted_cached_properties,
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validate_properties,
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with_meta=master_is_meta,
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index=idx,
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# not self_properties,
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# depends to index
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#self_properties=self_properties,
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setting_properties=setting_properties,
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masterlen=masterlen,
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from_masterslave=True,
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check_frozen=check_frozen)
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if isinstance(value, Exception):
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if isinstance(value, PropertiesOptionError):
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err = value
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if index is None:
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multi.append_properties_error(value)
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else:
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multi = value
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else:
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return value
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elif index is None:
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multi.append(value, setitem=False, force=True, validate=False,
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force_permissive=force_permissive)
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else:
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multi = value
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return multi
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def validate(self, values, opt, index, path, setitem):
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if self.is_master(opt):
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#for regen slave path
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base_path = '.'.join(path.split('.')[:-1]) + '.'
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for slave in self.getslaves(opt):
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slave_path = base_path + slave.impl_getname()
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slavelen = values._p_.get_max_length(slave_path)
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self.validate_slave_length(index, slavelen, slave.impl_getname(), opt)
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else:
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val_len = self.get_length(values, opt, slave_path=path)
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if isinstance(val_len, Exception):
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return val_len
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self.validate_slave_length(val_len, index,
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opt.impl_getname(), opt, setitem=setitem)
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def get_length(self, values, opt, validate=True, slave_path=undefined,
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slave_value=undefined, force_permissive=False, master=None,
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masterp=None, setting_properties=undefined):
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"""get master len with slave option"""
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if master is None:
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master = self.getmaster(None)
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if masterp is None:
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masterp = master.impl_getpath(self._getcontext())
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if slave_value is undefined:
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slave_path = undefined
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value = self.getitem(values, master, masterp, validate,
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force_permissive, None, True, slave_path=slave_path,
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slave_value=slave_value, setting_properties=setting_properties)
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if isinstance(value, Exception):
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return value
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return len(value)
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def validate_slave_length(self, masterlen, valuelen, name, opt, setitem=False):
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if valuelen > masterlen or (valuelen < masterlen and setitem):
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if debug: # pragma: no cover
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log.debug('validate_slave_length: masterlen: {0}, valuelen: {1}, '
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'setitem: {2}'.format(masterlen, valuelen, setitem))
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if not opt.impl_is_master_slaves('master'):
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opt = self.getmaster(opt)
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raise SlaveError(_("invalid len for the slave: {0}"
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" which has {1} as master").format(
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name, opt.impl_getname()))
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def reset_cache(self, opt, values, type_, orig_opts):
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path = self.getmaster(opt).impl_getpath(values._getcontext())
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values._p_.delcache(path)
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for slave in self.getslaves(opt):
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slave_path = slave.impl_getpath(values._getcontext())
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values._p_.delcache(slave_path)
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def _getattr(self, name, suffix=undefined, context=undefined, dyn=True):
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return super(MasterSlaves, self)._getattr(name, suffix, context, dyn)
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def impl_validate(self, context, force_permissive, setting_properties, masterlen=None,
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slavelen=None, opt=None, setitem=False):
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values = context.cfgimpl_get_values()
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if masterlen is None:
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master = self.getmaster(opt)
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masterp = master.impl_getpath(context)
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mastervalue = values._get_cached_value(master, path=masterp,
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force_permissive=force_permissive,
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from_masterslave=True,
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setting_properties=setting_properties)
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if isinstance(mastervalue, Exception):
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return mastervalue
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masterlen = len(mastervalue)
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else:
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master = opt
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if slavelen is not None:
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self.validate_slave_length(masterlen, slavelen, opt.impl_getname(), master, setitem=setitem)
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else:
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for slave in self.getslaves(master):
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slave_path = slave.impl_getpath(context)
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slavelen = values._p_.get_max_length(slave_path, None)
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self.validate_slave_length(masterlen, slavelen, slave.impl_getname(), master)
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def _impl_getpaths(klass, include_groups, _currpath):
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"""returns a list of all paths in klass, recursively
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_currpath should not be provided (helps with recursion)
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