[kernel] r9190 - people/waldi/dkt/lib/dkt/config

[Bastian Blank]

Author: waldi
Date: Tue Jul 24 21:58:34 2007
New Revision: 9190

Log:
* lib/dkt/config/base.py: Add.
* lib/dkt/config/interfaces.py: Add some methods.


Added:
   people/waldi/dkt/lib/dkt/config/base.py
Modified:
   people/waldi/dkt/lib/dkt/config/interfaces.py

Added: people/waldi/dkt/lib/dkt/config/base.py
==============================================================================
--- (empty file)
+++ people/waldi/dkt/lib/dkt/config/base.py	Tue Jul 24 21:58:34 2007
@@ -0,0 +1,72 @@
+from .interface import *
+from dkt.interface import implements
+
+_marker = object()
+
+class Config(object):
+    implements(IConfig)
+
+    __slots__ = '_data'
+
+    def __init__(self):
+        self._data = {}
+
+    def get(self, section, option, default = _marker):
+        s = self._data.get(section, _marker)
+        if s == _marker:
+            if default == _marker:
+                raise KeyError
+            return default
+        o = s.get(o, _marker)
+        if o == _marker:
+            if default == _marker:
+                raise KeyError
+            return default
+        return o
+
+    def get_section(self, section, default = _marker):
+        s = self._data.get(section, _marker)
+        if s == _marker:
+            if default == _marker:
+                raise KeyError
+            return default
+        return s.copy()
+
+    def iteroptions(self, section):
+        s = self._data.get(section, _marker)
+        if s == _marker:
+            raise KeyError
+        return s.iterkeys()
+
+    def itersections(self):
+        return self._data.iterkeys()
+
+    def options(self, section):
+        s = self._data.get(section, _marker)
+        if s == _marker:
+            raise KeyError
+        return s.keys()
+
+    def sections(self):
+        return self._data.keys()
+
+class MutableConfig(Config):
+    implements(IMutableConfig)
+
+    def add_section(self, section):
+        s = self._data.get(section, _marker)
+        if s == _marker:
+            self._data[section] = {}
+
+    def delete(self, section, option):
+        del self._data[section][option]
+
+    def delete_section(self, section):
+        del self._data[section]
+
+    def set(self, section, option, value):
+        s = self._data.get(section, _marker)
+        if s == _marker:
+            raise KeyError
+        s[option] = value
+

Modified: people/waldi/dkt/lib/dkt/config/interfaces.py
==============================================================================
--- people/waldi/dkt/lib/dkt/config/interfaces.py	(original)
+++ people/waldi/dkt/lib/dkt/config/interfaces.py	Tue Jul 24 21:58:34 2007
@@ -1,7 +1,10 @@
 from dkt.interface import Interface
 
 class IConfig(Interface):
-    def get(section, option):
+    def get(section, option, default = None):
+        pass
+
+    def get_section(section, default = None):
         pass
 
     def iteroptions(section):
@@ -17,7 +20,13 @@
         pass
 
 class IMutableConfig(IConfig):
-    def pop(section, option):
+    def add_section(section):
+        pass
+
+    def delete(section, option):
+        pass
+
+    def delete_section(section):
         pass
 
     def set(section, option, value):