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context could be useful in a callback, now we can retrieve context in a function (be careful to infinite loop)

This commit is contained in:
Emmanuel Garette 2014-03-26 19:44:49 +01:00
parent b3d04a1f68
commit 835d6d6da0
3 changed files with 89 additions and 45 deletions
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30
test/test_option_calculation.py
View File

@ -44,6 +44,13 @@ def return_calc(i, j, k):
return i + j + k
def is_config(config, **kwargs):
if isinstance(config, Config):
return 'yes'
else:
return 'no'
def make_description():
gcoption = ChoiceOption('name', 'GC name', ('ref', 'framework'), 'ref')
gcdummy = BoolOption('dummy', 'dummy', default=False)
@ -254,6 +261,29 @@ def test_callback_invalid():
raises(ValueError, "StrOption('val2', '', callback=return_value, callback_params={'': 'string'})")
raises(ValueError, "StrOption('val4', '', callback=return_value, callback_params={'value': (('string', False),)})")
raises(ValueError, "StrOption('val4', '', callback=return_value, callback_params={'value': ((val1, 'string'),)})")
raises(ValueError, "StrOption('val4', '', callback=return_value, callback_params={'value': ((val1, False, 'unknown'),)})")
raises(ValueError, "StrOption('val4', '', callback=return_value, callback_params={'value': ((val1,),)})")
def test_callback_with_context():
val1 = StrOption("val1", "", callback=is_config, callback_params={'': ((None,),), 'value': ('string',)})
maconfig = OptionDescription('rootconfig', '', [val1])
cfg = Config(maconfig)
assert cfg.val1 == 'yes'
def test_callback_with_context_named():
val1 = StrOption("val1", "", callback=is_config, callback_params={'config': ((None,),)})
maconfig = OptionDescription('rootconfig', '', [val1])
cfg = Config(maconfig)
assert cfg.val1 == 'yes'
def test_callback_with_error():
val1 = StrOption("val1", "", callback=is_config, callback_params={'': ('string',), 'value': ('string',)})
maconfig = OptionDescription('rootconfig', '', [val1])
cfg = Config(maconfig)
assert cfg.val1 == 'no'
def test_callback_value():

69
tiramisu/autolib.py
View File

@ -145,39 +145,44 @@ def carry_out_calculation(option, config, callback, callback_params,
for key, callbacks in callback_params.items():
for callbk in callbacks:
if isinstance(callbk, tuple):
# callbk is something link (opt, True|False)
opt, force_permissive = callbk
path = config.cfgimpl_get_description().impl_get_path_by_opt(
opt)
# get value
try:
value = config._getattr(path, force_permissive=True, validate=False)
# convert to list, not modifie this multi
if value.__class__.__name__ == 'Multi':
value = list(value)
except PropertiesOptionError as err:
if force_permissive:
continue
raise ConfigError(_('unable to carry out a calculation, '
'option {0} has properties: {1} for: '
'{2}').format(opt._name,
err.proptype,
option._name))
if len(callbk) == 1:
tcparams.setdefault(key, []).append((config, False))
else:
# callbk is something link (opt, True|False)
opt, force_permissive = callbk
path = config.cfgimpl_get_description(
).impl_get_path_by_opt(opt)
# get value
try:
value = config._getattr(path, force_permissive=True,
validate=False)
# convert to list, not modifie this multi
if value.__class__.__name__ == 'Multi':
value = list(value)
except PropertiesOptionError as err:
if force_permissive:
continue
raise ConfigError(_('unable to carry out a calculation'
', option {0} has properties: {1} '
'for: {2}').format(opt._name,
err.proptype,
option._name))
is_multi = False
if opt.impl_is_multi():
#opt is master, search if option is a slave
if opt.impl_get_multitype() == multitypes.master:
if option in opt.impl_get_master_slaves():
is_multi = True
#opt is slave, search if option is an other slaves
elif opt.impl_get_multitype() == multitypes.slave:
if option in opt.impl_get_master_slaves().impl_get_master_slaves():
is_multi = True
if is_multi:
len_multi = len(value)
one_is_multi = True
tcparams.setdefault(key, []).append((value, is_multi))
is_multi = False
if opt.impl_is_multi():
#opt is master, search if option is a slave
if opt.impl_get_multitype() == multitypes.master:
if option in opt.impl_get_master_slaves():
is_multi = True
#opt is slave, search if option is an other slaves
elif opt.impl_get_multitype() == multitypes.slave:
if option in opt.impl_get_master_slaves(
).impl_get_master_slaves():
is_multi = True
if is_multi:
len_multi = len(value)
one_is_multi = True
tcparams.setdefault(key, []).append((value, is_multi))
else:
# callbk is a value and not a multi
tcparams.setdefault(key, []).append((callbk, False))

35
tiramisu/option.py
View File

@ -1528,16 +1528,25 @@ def validate_callback(callback, callback_params, type_):
).format(type_, key))
for callbk in callbacks:
if isinstance(callbk, tuple):
option, force_permissive = callbk
if type_ == 'validator' and not force_permissive:
raise ValueError(_('validator not support tuple'))
if not isinstance(option, Option) and not \
isinstance(option, SymLinkOption):
raise ValueError(_('{0}_params must have an option '
'not a {0} for first argument'
).format(type_, type(option)))
if force_permissive not in [True, False]:
raise ValueError(_('{0}_params must have a boolean'
' not a {0} for second argument'
).format(type_, type(
force_permissive)))
if len(callbk) == 1:
if callbk != (None,):
raise ValueError(_('{0}_params with length of '
'tuple as 1 must only have '
'None as first value'))
elif len(callbk) != 2:
raise ValueError(_('{0}_params must only 1 or 2 as '
'length'))
else:
option, force_permissive = callbk
if type_ == 'validator' and not force_permissive:
raise ValueError(_('validator not support tuple'))
if not isinstance(option, Option) and not \
isinstance(option, SymLinkOption):
raise ValueError(_('{0}_params must have an option'
' not a {0} for first argument'
).format(type_, type(option)))
if force_permissive not in [True, False]:
raise ValueError(_('{0}_params must have a boolean'
' not a {0} for second argument'
).format(type_, type(
force_permissive)))