remove some try/except

tiramisu/autolib.py

@@ -219,13 +219,10 @@ def carry_out_calculation(option, context, callback, callback_params,
                 else:
                     kwargs[key] = couple[0]
         ret = calculate(callback, args, kwargs)
-        try:
-            if callback_params != {} and isinstance(ret, list) and \
+        if not option.impl_is_optiondescription() and callback_params != {} and isinstance(ret, list) and \
                 option.impl_is_master_slaves('slave'):
             raise SlaveError(_("callback cannot return a list for a "
                                "slave option ({0})").format(path))
-        except AttributeError:
-            pass
         return ret
 
 

tiramisu/option/baseoption.py

@@ -142,7 +142,10 @@ class Base(StorageBase):
                              allow_empty_list)
         if multi is not False and default is None:
             default = []
+        try:
             self.impl_validate(default, is_multi=is_multi)
+        except ContextError:
+            pass
         self._set_default_values(default, default_multi, is_multi)
         ##callback is False in optiondescription
         if callback is not False:
@@ -429,8 +432,8 @@ class Option(OnlyOption):
             descr = context.cfgimpl_get_description()
 
         all_cons_vals = []
-        for opt in all_cons_opts:
         try:
+            for opt in all_cons_opts:
                 #get value
                 if (isinstance(opt, DynSymLinkOption) and option._dyn == opt._dyn) or \
                         option == opt:
@@ -453,15 +456,8 @@ class Option(OnlyOption):
                         option == opt:
                     all_cons_vals.append(opt_value)
                 elif self.impl_is_submulti():
-                    try:
                     all_cons_vals.append(opt_value[index][submulti_index])
-                    except IndexError, err:
-                        log.debug('indexerror in submulti opt in _launch_consistency: {0}'.format(err))
-                        #value is not already set, could be higher index
-                        #so return if no value
-                        return
                 else:
-                    try:
                     all_cons_vals.append(opt_value[index])
         except IndexError, err:
             #value is not already set, could be higher index
@@ -610,16 +606,14 @@ class Option(OnlyOption):
     def impl_is_master_slaves(self, type_='both'):
         """FIXME
         """
-        try:
-            self._master_slaves
+        master_slaves = getattr(self, '_master_slaves', None)
+        if master_slaves is not None:
             if type_ in ('both', 'master') and \
-                    self._master_slaves.is_master(self):
+                    master_slaves.is_master(self):
                 return True
             if type_ in ('both', 'slave') and \
-                    not self._master_slaves.is_master(self):
+                    not master_slaves.is_master(self):
                 return True
-        except:
-            pass
         return False
 
     def impl_get_master_slaves(self):
@@ -820,14 +814,14 @@ def validate_requires_arg(multi, requires, name):
                                            unknown_keys,
                                            valid_keys))
         # prepare all attributes
-        try:
-            option = require['option']
-            expected = require['expected']
-            action = require['action']
-        except KeyError:  # pragma: optional cover
+        if 'option' not in require or 'expected' not in require or \
+                'action' not in require:
             raise ValueError(_("malformed requirements for option: {0}"
                                " require must have option, expected and"
                                " action keys").format(name))
+        option = require['option']
+        expected = require['expected']
+        action = require['action']
         if action == 'force_store_value':  # pragma: optional cover
             raise ValueError(_("malformed requirements for option: {0}"
                                " action cannot be force_store_value"
@@ -911,10 +905,7 @@ class SymLinkOption(OnlyOption):
     def _impl_setstate(self, descr):
         self._impl_setopt(descr.impl_get_opt_by_path(self._state_opt))
         del(self._state_opt)
-        try:
         del(self._stated)
-        except AttributeError:  # pragma: optional cover
-            pass
         self._set_readonly(True)
 
     def impl_get_information(self, key, default=undefined):

tiramisu/option/option.py

@@ -89,15 +89,12 @@ class ChoiceOption(Option):
         return values
 
     def _validate(self, value, context=undefined, current_opt=undefined):
-        try:
         values = self.impl_get_values(context, current_opt=current_opt)
         if not value in values:  # pragma: optional cover
             raise ValueError(_('value {0} is not permitted, '
                                 'only {1} is allowed'
                                 '').format(value,
                                         values))
-        except ContextError:  # pragma: optional cover
-            log.debug('ChoiceOption validation, disabled because no context')
 
 
 class BoolOption(Option):

tiramisu/storage/dictionary/option.py

@@ -19,7 +19,7 @@
 # ____________________________________________________________
 from ...i18n import _
 from ...setting import undefined
-from ...error import ConfigError
+from ...error import ConfigError, ContextError
 static_tuple = tuple()
 static_set = frozenset()
 
@@ -102,6 +102,8 @@ class StorageBase(object):
                                    "for option {1}: {2}").format(
                                        str(default_multi),
                                        self.impl_getname(), str(err)))
+            except ContextError, err:
+                pass
             _setattr(self, '_default_multi', default_multi)
 
     # information