can change expiration_time in api

tiramisu/setting.py

@@ -23,14 +23,11 @@ from .error import (RequirementError, PropertiesOptionError,
 from .i18n import _
 
 
-"Default encoding for display a Config if raise UnicodeEncodeError"
-default_encoding = 'utf-8'
-
 """If cache and expire is enable, time before cache is expired.
 This delay start first time value/setting is set in cache, even if
 user access several time to value/setting
 """
-expires_time = 5
+EXPIRATION_TIME = 5
 """List of default properties (you can add new one if needed).
 
 For common properties and personalise properties, if a propery is set for
@@ -68,7 +65,7 @@ cache
     if set, enable cache settings and values
 
 expire
-    if set, settings and values in cache expire after ``expires_time``
+    if set, settings and values in cache expire after ``expiration_time``
 
 everything_frozen
     whole option in config are frozen (even if option have not frozen
@@ -186,7 +183,9 @@ class ConfigBag:
                  'properties',  # properties for current context
                  'true_properties',  # properties for current context
                  'permissives',  # permissives for current context
+                 'expiration_time'  # EXPIRATION_TIME
                  )
+
     def __init__(self, context, **kwargs):
         self.context = context
         for key, value in kwargs.items():
@@ -194,13 +193,18 @@ class ConfigBag:
 
     def __getattr__(self, key):
         if key == 'properties':
-            self.properties = self.context.cfgimpl_get_settings().get_context_properties()
+            settings = self.context.cfgimpl_get_settings()
+            self.properties = settings.get_context_properties()
             return self.properties
         if key == 'permissives':
-            self.permissives = self.context.cfgimpl_get_settings().get_context_permissives()
+            settings = self.context.cfgimpl_get_settings()
+            self.permissives = settings.get_context_permissives()
             return self.permissives
         if key == 'true_properties':
             return self.properties
+        if key == 'expiration_time':
+            self.expiration_time = EXPIRATION_TIME
+            return self.expiration_time
         raise KeyError('unknown key {} for ConfigBag'.format(key))  # pragma: no cover
 
     def remove_warnings(self):
@@ -414,7 +418,7 @@ class Settings(object):
         if apply_requires:
             props = config_bag.properties
             is_cached, props = self._p_.getcache(path,
-                                                 expires_time,
+                                                 config_bag.expiration_time,
                                                  index,
                                                  props,
                                                  {},