api for mandatory
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3e8d16ece6
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@ -24,32 +24,32 @@
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class BaseType(object):
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def has_properties(self):
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return bool(len(self.properties))
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def has_property(self, propname):
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return propname in self.properties
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def get_properties(self):
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return self.properties
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def add_property(self, propname):
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if not propname in self.properties:
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self.properties.append(propname)
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def del_property(self, propname):
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if not self.has_property(propname):
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raise TypeError("option has no property " + propname)
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self.properties.remove(propname)
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def has_property(self, propname):
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return propname in self.properties
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def get_properties(self):
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return self.properties
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def add_property(self, propname):
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if not propname in self.properties:
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self.properties.append(propname)
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def del_property(self, propname):
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if not self.has_property(propname):
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raise TypeError("option has no property " + propname)
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self.properties.remove(propname)
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class HiddenBaseType(BaseType):
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def hide(self):
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self.add_property('hidden')
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self.add_property('hidden')
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def show(self):
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self.del_property('hidden')
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self.del_property('hidden')
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def _is_hidden(self):
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# dangerous method: how an Option() can determine its status by itself ?
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return self.has_property('hidden')
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return self.has_property('hidden')
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class DisabledBaseType(BaseType):
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def disable(self):
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self.add_property('disabled')
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self.add_property('disabled')
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def enable(self):
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self.del_property('disabled')
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self.del_property('disabled')
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def _is_disabled(self):
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return self.has_property('disabled')
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return self.has_property('disabled')
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@ -178,9 +178,13 @@ class Config(object):
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if name.startswith('_cfgimpl_'):
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self.__dict__[name] = value
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return
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if self._cfgimpl_frozen and getattr(self, name) != value:
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if self.is_frozen() and getattr(self, name) != value:
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raise TypeError("trying to change a value in a frozen config"
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": {0} {1}".format(name, value))
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if self.is_mandatory() and value == None:
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raise MandatoryError("trying to reset option: {0} wich lives in a"
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" mandatory group: {1}".format(name,
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self._cfgimpl_descr._name))
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if type(getattr(self._cfgimpl_descr, name)) != SymLinkOption:
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self._validate(name, getattr(self._cfgimpl_descr, name))
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self.setoption(name, value, self._cfgimpl_owner)
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@ -329,14 +333,6 @@ class Config(object):
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else:
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newowner = who
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if type(child) != SymLinkOption:
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if child.is_mandatory() and value is None:
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raise MandatoryError('cannot override value to %s for '
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'option %s' % (value, name))
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if name not in self._cfgimpl_values:
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raise AttributeError('unknown option %s' % (name,))
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if child.has_callback() or child.isfrozen():
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raise ConflictConfigError('cannot override value to %s for '
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'option %s' % (value, name))
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# if oldowner == who:
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# oldvalue = getattr(self, name)
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# if oldvalue == value:
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@ -442,6 +438,10 @@ class Config(object):
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rootconfig = self._cfgimpl_get_toplevel()
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return rootconfig.__dict__['_cfgimpl_frozen']
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def is_mandatory(self):
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rootconfig = self._cfgimpl_get_toplevel()
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return rootconfig.__dict__['_cfgimpl_mandatory']
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def cfgimpl_read_only(self):
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# hung up on freeze, hidden and disabled concepts
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self.cfgimpl_freeze()
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@ -184,8 +184,17 @@ class Option(HiddenBaseType, DisabledBaseType):
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def setoption(self, config, value, who):
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"who is **not necessarily** a owner because it cannot be a list"
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name = self._name
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if self._frozen:
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raise TypeError('trying to change a frozen option object: %s' % name)
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if config.is_mandatory() and child.is_mandatory() and \
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((self.is_multi() and value == []) or
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(not self.is_multi() and value is None)):
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raise MandatoryError('cannot override value to %s for '
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'option %s' % (value, name))
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if name not in config._cfgimpl_values:
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raise AttributeError('unknown option %s' % (name))
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if config.is_frozen() and (child.has_callback() or child.isfrozen()):
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raise ConflictConfigError('cannot override value to %s for '
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'option %s' % (value, name))
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# we want the possibility to reset everything
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if who == "default" and value is None:
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self.default = None
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