ability to disable warnings validation

ChangeLog

@@ -2,6 +2,7 @@ Sat Apr 18 22:42:53 2015 +0200 Emmanuel Garette <egarette@cadoles.com>
 	* refactor validation, build a fake context (with new Values and
 	Settings) to validate value with those object. Now value with
 	callback and consistency are correctly validate
+	* ability to disable warnings validation
 
 Sun Mar  8 12:02:17 2015 +0200 Emmanuel Garette <egarette@cadoles.com>
 	* valid default/callback value in consistencies

test/test_option_setting.py

@@ -310,9 +310,9 @@ def test_extend_config_properties():
     descr = make_description()
     cfg = Config(descr)
     setting = cfg.cfgimpl_get_settings()
-    assert str(setting) == str(['cache', 'expire', 'validator'])
+    assert set(eval(str(setting))) == set(['cache', 'expire', 'validator', 'warnings'])
     setting.extend(['test', 'test2'])
-    assert str(setting) == str(['test', 'cache', 'test2', 'expire', 'validator'])
+    assert set(eval(str(setting))) == set(['test', 'cache', 'test2', 'expire', 'validator', 'warnings'])
 
 
 def test_append_properties():
@@ -334,7 +334,7 @@ def test_reset_properties():
     option = cfg.cfgimpl_get_description().gc.dummy
     assert setting._p_.get_modified_properties() == {}
     setting.append('frozen')
-    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'cache', 'validator'))}
+    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'cache', 'validator', 'warnings'))}
     setting.reset()
     assert setting._p_.get_modified_properties() == {}
     setting[option].append('test')
@@ -342,11 +342,11 @@ def test_reset_properties():
     setting.reset()
     assert setting._p_.get_modified_properties() == {'gc.dummy': set(('test',))}
     setting.append('frozen')
-    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache')), 'gc.dummy': set(('test',))}
+    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache', 'warnings')), 'gc.dummy': set(('test',))}
     setting.reset(option)
-    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache'))}
+    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache', 'warnings'))}
     setting[option].append('test')
-    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache')), 'gc.dummy': set(('test',))}
+    assert setting._p_.get_modified_properties() == {None: set(('frozen', 'expire', 'validator', 'cache', 'warnings')), 'gc.dummy': set(('test',))}
     setting.reset(all_properties=True)
     assert setting._p_.get_modified_properties() == {}
     raises(ValueError, 'setting.reset(all_properties=True, opt=option)')

test/test_option_validator.py

@@ -113,6 +113,38 @@ def test_validator_warning():
     assert str(w[1].message) == _("warning on the value of the option {0}: {1}").format('opt3', 'error')
 
 
+def test_validator_warning_disabled():
+    opt1 = StrOption('opt1', '', validator=return_true, default='val', warnings_only=True)
+    opt2 = StrOption('opt2', '', validator=return_false, warnings_only=True)
+    opt3 = StrOption('opt3', '', validator=return_if_val, multi=True, warnings_only=True)
+    root = OptionDescription('root', '', [opt1, opt2, opt3])
+    cfg = Config(root)
+    cfg.cfgimpl_get_settings().remove('warnings')
+    assert cfg.opt1 == 'val'
+    warnings.simplefilter("always", ValueWarning)
+    with warnings.catch_warnings(record=True) as w:
+        cfg.opt1 = 'val'
+    assert w == []
+    #
+    with warnings.catch_warnings(record=True) as w:
+        cfg.opt2 = 'val'
+    assert w == []
+    #
+    with warnings.catch_warnings(record=True) as w:
+        cfg.opt3.append('val')
+    assert w == []
+    #
+    with warnings.catch_warnings(record=True) as w:
+        cfg.opt3.append('val1')
+    assert w == []
+    raises(ValueError, "cfg.opt2 = 1")
+    #
+    with warnings.catch_warnings(record=True) as w:
+        cfg.opt2 = 'val'
+        cfg.opt3.append('val')
+    assert w == []
+
+
 def test_validator_warning_master_slave():
     ip_admin_eth0 = StrOption('ip_admin_eth0', "ip reseau autorise", multi=True, validator=return_false, warnings_only=True)
     netmask_admin_eth0 = StrOption('netmask_admin_eth0', "masque du sous-reseau", multi=True, validator=return_if_val, warnings_only=True)

tiramisu/option/baseoption.py

@@ -581,9 +581,11 @@ class Option(OnlyOption):
             if warning:
                 msg = _("warning on the value of the option {0}: {1}").format(
                     self.impl_getname(), warning)
-                warnings.warn_explicit(ValueWarning(msg, self),
-                                       ValueWarning,
-                                       self.__class__.__name__, 0)
+                if context is None or 'warnings' in \
+                        context.cfgimpl_get_settings():
+                    warnings.warn_explicit(ValueWarning(msg, self),
+                                           ValueWarning,
+                                           self.__class__.__name__, 0)
             elif error:
                 raise ValueError(_("invalid value for option {0}: {1}").format(
                     self.impl_getname(), error))

tiramisu/setting.py

@@ -78,8 +78,11 @@ everything_frozen
 validator
     launch validator set by user in option (this property has no effect
     for internal validator)
+
+warnings
+    display warnings during validation
 """
-default_properties = ('cache', 'expire', 'validator')
+default_properties = ('cache', 'expire', 'validator', 'warnings')
 
 """Config can be in two defaut mode: