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groupe_types are real types now

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This commit is contained in:
gwen 2012-12-06 18:14:57 +01:00
parent 9736298ba2
commit e118f07539
5 changed files with 76 additions and 32 deletions
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15
test/test_parsing_group.py
View file

@ -2,6 +2,7 @@
import autopath
from tiramisu.config import *
from tiramisu.option import *
from tiramisu.setting import groups
from py.test import raises
@ -14,8 +15,6 @@ def make_description():
default=False)
mode_conteneur_actif = BoolOption('mode_conteneur_actif', "le serveur est en mode conteneur",
default=False)
# hidden (variable cachée)
# mode_conteneur_actif.taint()
adresse_serveur_ntp = StrOption('serveur_ntp', "adresse serveur ntp", multi=True)
time_zone = ChoiceOption('time_zone', 'fuseau horaire du serveur',
['Paris', 'Londres'], 'Paris')
@ -25,13 +24,13 @@ def make_description():
master = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1 = OptionDescription('interface1', '', [master])
interface1.set_group_type('family')
interface1.set_group_type(groups.family)
general = OptionDescription('general', '', [numero_etab, nom_machine,
nombre_interfaces, activer_proxy_client,
mode_conteneur_actif, adresse_serveur_ntp,
time_zone])
general.set_group_type('family')
general.set_group_type(groups.family)
creole = OptionDescription('creole', 'first tiramisu configuration', [general, interface1])
descr = OptionDescription('baseconfig', 'baseconifgdescr', [creole] )
return descr
@ -63,7 +62,7 @@ def test_get_group_type():
def test_iter_on_groups():
descr = make_description()
config = Config(descr)
result = list(config.creole.iter_groups(group_type= "family"))
result = list(config.creole.iter_groups(group_type=groups.family))
group_names = [res[0] for res in result]
assert group_names == ['general', 'interface1']
@ -101,7 +100,7 @@ def make_master_group():
nombre_interfaces, activer_proxy_client,
mode_conteneur_actif, adresse_serveur_ntp,
time_zone])
general.set_group_type('family')
general.set_group_type(groups.family)
creole = OptionDescription('creole', 'first tiramisu configuration', [general, interface1])
descr = OptionDescription('baseconfig', 'baseconifgdescr', [creole] )
return descr
@ -127,13 +126,13 @@ def make_master_group2():
master = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1 = OptionDescription('interface1', '', [master])
interface1.set_group_type('group', master='interface1')
interface1.set_group_type(groups.group, master='interface1')
general = OptionDescription('general', '', [numero_etab, nom_machine,
nombre_interfaces, activer_proxy_client,
mode_conteneur_actif, adresse_serveur_ntp,
time_zone])
general.set_group_type('family')
general.set_group_type(groups.family)
creole = OptionDescription('creole', 'first tiramisu configuration', [general, interface1])
descr = OptionDescription('baseconfig', 'baseconifgdescr', [creole] )
return descr

20
tiramisu/config.py
View file

@ -26,7 +26,7 @@ from tiramisu.error import (PropertiesOptionError, ConfigError, NotFoundError,
MandatoryError, MethodCallError, NoValueReturned)
from tiramisu.option import (OptionDescription, Option, SymLinkOption,
Multi, apply_requires)
from tiramisu.setting import settings, group_types
from tiramisu.setting import settings, groups
# ____________________________________________________________
class Config(object):
@ -457,20 +457,24 @@ class Config(object):
"""iteration on groups objects only.
All groups are returned if `group_type` is `None`, otherwise the groups
can be filtered by categories (families, or whatever).
:param group_type: if defined, is an instance of `settings.GroupName`
or `settings.MasterGroupName` that lives in
`settings.groups`
"""
if group_type == None:
groups = group_types
else:
if group_type not in group_types:
if group_type is not None:
if not isinstance(group_type, groups.GroupName):
raise TypeError("Unknown group_type: {0}".format(group_type))
groups = [group_type]
for child in self._cfgimpl_descr._children:
if isinstance(child, OptionDescription):
try:
if child.get_group_type() in groups:
if group_type is not None:
if child.get_group_type() == group_type:
yield child._name, getattr(self, child._name)
else:
yield child._name, getattr(self, child._name)
except:
pass # hidden, disabled option
pass
# ______________________________________________________________________
def __str__(self):
"Config's string representation"

23
tiramisu/option.py
View file

@ -26,7 +26,7 @@ from tiramisu.error import (ConfigError, ConflictConfigError, NotFoundError,
RequiresError, RequirementRecursionError, MandatoryError,
PropertiesOptionError)
from tiramisu.autolib import carry_out_calculation
from tiramisu.setting import settings, group_types, groups_has_master
from tiramisu.setting import settings, groups
requires_actions = [('hide', 'show'), ('enable', 'disable'), ('freeze', 'unfreeze')]
@ -470,9 +470,9 @@ class NetmaskOption(Option):
return isinstance(value, str)
class OptionDescription(HiddenBaseType, DisabledBaseType):
"Config's schema (organisation) and container of Options"
"the group_type is an attribute useful for iteration on groups in a config"
group_type = 'default'
"""Config's schema (organisation, group) and container of Options"""
# the group_type is useful for filtering OptionDescriptions in a config
group_type = groups.default
def __init__(self, name, doc, children, requires=None):
"""
:param children: is a list of option descriptions (including
@ -485,7 +485,7 @@ class OptionDescription(HiddenBaseType, DisabledBaseType):
self._build()
self.properties = [] # 'hidden', 'disabled'...
# if this group is a master group, master is set
# to the master option name
# to the master option name. it's just a ref to a name
self.master = None
def getdoc(self):
@ -538,10 +538,14 @@ class OptionDescription(HiddenBaseType, DisabledBaseType):
return paths
# ____________________________________________________________
def set_group_type(self, group_type, master=None):
":param group_type: string in group_types"
if group_type in group_types:
"""sets a given group object to an OptionDescription
:param group_type: an instance of `GroupName` or `MasterGroupName`
that lives in `setting.groups`
"""
if isinstance(group_type, groups.GroupName):
self.group_type = group_type
if group_type in groups_has_master:
if isinstance(group_type, groups.MasterGroupName):
if master is None:
raise ConfigError('this group type ({0}) needs a master '
'for OptionDescription {1}'.format(group_type,
@ -553,8 +557,7 @@ class OptionDescription(HiddenBaseType, DisabledBaseType):
group_type, self._name))
self.master = master
else:
raise ConfigError('not allowed value for group_type : {0}'.format(
group_type))
raise ConfigError('not allowed group_type : {0}'.format(group_type))
def get_group_type(self):
return self.group_type

48
tiramisu/setting.py
View file

@ -21,11 +21,49 @@
# the whole pypy projet is under MIT licence
# ____________________________________________________________
# available group_type values
_group_name = ('default', 'family', 'group')
groups_has_master = ('group', )
class Group(str): pass
group_types = tuple(Group(i) for i in _group_name)
class _const:
"""convenient class that emulates a module
and builds constants (that is, unique group names)"""
class GroupError(TypeError): pass
def __setattr__(self, name, value):
if self.__dict__.has_key(name):
raise self.GroupError, "Can't rebind group (%s)"%name
self.__dict__[name] = value
def __delattr__(self, name):
if self.__dict__.has_key(name):
raise self.GroupError, "Can't unbind group (%s)"%name
raise NameError, name
groups = _const()
def populate_groups():
"populates the available groups in the appropriate namespaces"
_available_group_names = ('default', 'family', 'group')
_available_groups_with_a_master = ('group', )
class GroupName(str):
"""allowed normal group (OptionDescription) names
*normal* means : groups that are not master
"""
pass
class MasterGroupName(GroupName):
"""allowed normal group (OptionDescription) names
*master* means : groups that have the 'master' attribute set
"""
pass
groups.GroupName = GroupName
groups.MasterGroupName = MasterGroupName
# populates normal or master groups
for grp in _available_group_names:
if grp in _available_groups_with_a_master:
setattr(groups, grp, MasterGroupName(grp))
else:
setattr(groups, grp, GroupName(grp))
populate_groups()
# ____________________________________________________________
class Setting():
"``Config()``'s configuration options"

2
tiramisu/tool.py
View file

@ -20,7 +20,7 @@
from tiramisu.config import Config
from tiramisu.option import (OptionDescription, Option, ChoiceOption, BoolOption,
FloatOption, StrOption, IntOption, IPOption, NetmaskOption,
group_types, apply_requires)
apply_requires)
# ____________________________________________________________
# reverse factory