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warnings only if needed

This commit is contained in:
Emmanuel Garette 2016-11-20 14:32:06 +01:00
parent 42d830687d
commit 0f4b1caca4
3 changed files with 127 additions and 77 deletions
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40
test/test_option_consistency.py
View File

@ -703,3 +703,43 @@ def test_consistency_with_callback():
c.impl_add_consistency('in_network', a, b)
cfg = Config(od)
cfg.c
def test_consistency_double_warnings():
a = IntOption('a', '')
b = IntOption('b', '', 1)
c = IntOption('c', '', 1)
od = OptionDescription('od', '', [a, b, c])
warnings.simplefilter("always", ValueWarning)
a.impl_add_consistency('not_equal', b, warnings_only=True)
a.impl_add_consistency('not_equal', c, warnings_only=True)
cfg = Config(od)
with warnings.catch_warnings(record=True) as w:
cfg.a = 1
assert w != []
assert len(w) == 2
with warnings.catch_warnings(record=True) as w:
cfg.c = 2
assert w == []
with warnings.catch_warnings(record=True) as w:
cfg.a = 2
assert w != []
assert len(w) == 1
cfg.cfgimpl_get_settings().remove('warnings')
with warnings.catch_warnings(record=True) as w:
cfg.a = 1
assert w == []
def test_consistency_warnings_error():
a = IntOption('a', '')
b = IntOption('b', '', 1)
c = IntOption('c', '', 1)
od = OptionDescription('od', '', [a, b, c])
warnings.simplefilter("always", ValueWarning)
a.impl_add_consistency('not_equal', b, warnings_only=True)
a.impl_add_consistency('not_equal', c)
cfg = Config(od)
with warnings.catch_warnings(record=True) as w:
raises(ValueError, "cfg.a = 1")
assert w == []

77
tiramisu/option/baseoption.py
View File

@ -31,7 +31,6 @@ from ..error import (ConfigError, ValueWarning, PropertiesOptionError,
from ..storage import get_storages_option
from . import MasterSlaves
if sys.version_info[0] >= 3: # pragma: optional cover
xrange = range
@ -469,12 +468,24 @@ class Option(OnlyOption):
all_cons_opts.append(opt)
if val_consistencies:
return getattr(self, func)(current_opt, all_cons_opts, all_cons_vals, warnings_only)
err = getattr(self, func)(current_opt, all_cons_opts, all_cons_vals, warnings_only)
if err:
if warnings_only:
if isinstance(err, ValueError):
msg = _('attention, "{0}" could be an invalid {1} for "{2}", {3}').format(
value, self._display_name, self.impl_get_display_name(), err)
else:
msg = '{}'.format(err)
warnings.warn_explicit(ValueWarning(msg, self),
ValueWarning,
self.__class__.__name__, 0)
else:
return err
def impl_validate(self, value, context=undefined, validate=True,
force_index=None, force_submulti_index=None,
current_opt=undefined, is_multi=None,
display_warnings=True, multi=None):
display_error=True, display_warnings=True, multi=None):
"""
:param value: the option's value
:param context: Config's context
@ -493,8 +504,10 @@ class Option(OnlyOption):
if current_opt is undefined:
current_opt = self
display_warnings = display_warnings and (context is undefined or
'warnings' in context.cfgimpl_get_settings())
def _is_not_unique(value):
if self.impl_is_unique() and len(set(value)) != len(value):
if display_error and self.impl_is_unique() and len(set(value)) != len(value):
for idx, val in enumerate(value):
if val in value[idx+1:]:
return ValueError(_('invalid value "{}", this value is already in "{}"').format(
@ -527,6 +540,7 @@ class Option(OnlyOption):
if _value is None:
error = warning = None
else:
if display_error:
# option validation
err = self._validate(_value, context, current_opt)
if err:
@ -536,9 +550,6 @@ class Option(OnlyOption):
submulti_index),
exc_info=True)
err_msg = '{0}'.format(err)
name = self.impl_getdoc()
if name is None or name == '':
name = self.impl_getname()
if err_msg:
msg = _('"{0}" is an invalid {1} for "{2}", {3}'
'').format(_value, self._display_name,
@ -548,9 +559,8 @@ class Option(OnlyOption):
'').format(_value, self._display_name,
self.impl_get_display_name())
return ValueError(msg)
warning = None
error = None
if display_warnings:
if (display_error and not self._is_warnings_only()) or (display_warnings and self._is_warnings_only()):
error = calculation_validator(_value)
if not error:
error = self._second_level_validation(_value, self._is_warnings_only())
@ -559,30 +569,23 @@ class Option(OnlyOption):
log.debug(_('do_validation for {0}: error in value').format(
self.impl_getname()), exc_info=True)
if self._is_warnings_only():
warning = error
error = None
if error is None and warning is None:
# if context launch consistency validation
#if context is not undefined:
ret = self._valid_consistency(current_opt, _value, context,
_index, submulti_index)
if ret:
if isinstance(ret, ValueWarning):
if display_warnings:
warning = ret
elif isinstance(ret, ValueError):
error = ret
else:
return ret
if warning:
msg = _('attention, "{0}" could be an invalid {1} for "{2}", {3}').format(
_value, self._display_name, self.impl_get_display_name(), warning)
if context is undefined or 'warnings' in \
context.cfgimpl_get_settings():
_value, self._display_name, self.impl_get_display_name(), error)
warnings.warn_explicit(ValueWarning(msg, self),
ValueWarning,
self.__class__.__name__, 0)
elif error:
error = None
if error is None:
# if context launch consistency validation
#if context is not undefined:
ret = self._valid_consistency(current_opt, _value, context,
_index, submulti_index, display_warnings,
display_error)
if isinstance(ret, ValueError):
error = ret
elif ret:
return ret
if error:
err_msg = '{0}'.format(error)
if err_msg:
msg = _('"{0}" is an invalid {1} for "{2}", {3}'
@ -594,10 +597,6 @@ class Option(OnlyOption):
self.impl_get_display_name())
return ValueError(msg)
# generic calculation
#if context is not undefined:
# descr = context.cfgimpl_get_description()
if is_multi is None:
is_multi = self.impl_is_multi()
@ -653,7 +652,7 @@ class Option(OnlyOption):
if err:
return err
return self._valid_consistency(current_opt, None, context,
None, None)
None, None, display_warnings, display_error)
def impl_is_dynsymlinkoption(self):
return False
@ -752,7 +751,8 @@ class Option(OnlyOption):
#consistency could generate warnings or errors
self._set_has_dependency()
def _valid_consistency(self, option, value, context, index, submulti_idx):
def _valid_consistency(self, option, value, context, index, submulti_idx,
display_warnings, display_error):
if context is not undefined:
descr = context.cfgimpl_get_description()
if descr._cache_consistencies is None:
@ -767,6 +767,7 @@ class Option(OnlyOption):
if consistencies is not None:
for func, all_cons_opts, params in consistencies:
warnings_only = params.get('warnings_only', False)
if (warnings_only and display_warnings) or (not warnings_only and display_error):
transitive = params.get('transitive', True)
#all_cons_opts[0] is the option where func is set
if isinstance(option, DynSymLinkOption):
@ -785,9 +786,6 @@ class Option(OnlyOption):
opts, warnings_only,
transitive)
if err:
if warnings_only:
return ValueWarning(str(err), option)
else:
return err
def _cons_not_equal(self, current_opt, opts, vals, warnings_only):
@ -1062,12 +1060,13 @@ class DynSymLinkOption(object):
def impl_validate(self, value, context=undefined, validate=True,
force_index=None, force_submulti_index=None, is_multi=None,
display_warnings=True, multi=None):
display_error=True, display_warnings=True, multi=None):
return self._impl_getopt().impl_validate(value, context, validate,
force_index,
force_submulti_index,
current_opt=self,
is_multi=is_multi,
display_error=display_error,
display_warnings=display_warnings,
multi=multi)

17
tiramisu/value.py
View File

@ -213,7 +213,7 @@ class Values(object):
def __getitem__(self, opt):
"enables us to use the pythonic dictionary-like access to values"
return self.getitem(opt)
return self._get_cached_value(opt)
def getitem(self, opt, validate=True, force_permissive=False):
"""
@ -315,6 +315,7 @@ class Values(object):
value = self._getvalue(opt, path, self_properties, index, submulti_index,
with_meta, masterlen, session)
if isinstance(value, Exception):
value_error = True
if isinstance(value, ConfigError):
# For calculating properties, we need value (ie for mandatory
# value).
@ -330,6 +331,7 @@ class Values(object):
else:
raise value
else:
value_error = False
if index is undefined:
force_index = None
else:
@ -350,7 +352,8 @@ class Values(object):
'validator' in setting_properties,
force_index=force_index,
force_submulti_index=force_submulti_index,
display_warnings=display_warnings)
display_error=True,
display_warnings=False)
if err:
config_error = err
value = None
@ -370,6 +373,13 @@ class Values(object):
index=index)
if props:
return props
if not value_error and validate and display_warnings:
opt.impl_validate(value, context,
'validator' in setting_properties,
force_index=force_index,
force_submulti_index=force_submulti_index,
display_error=False,
display_warnings=display_warnings)
if config_error is not None:
return config_error
return value
@ -396,9 +406,10 @@ class Values(object):
session=session, not_raises=not_raises)
if props and not_raises:
return
err = opt.impl_validate(value, fake_context)
err = opt.impl_validate(value, fake_context, display_warnings=False)
if err:
raise err
opt.impl_validate(value, fake_context, display_error=False)
self._setvalue(opt, path, value)
def _setvalue(self, opt, path, value, force_owner=undefined, index=None):