compose the base handler class.

.gitignore

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+*.pyc
+*~

pypw/handler.py

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+# -*- coding:utf-8 -*-
+"""
+    pypw.handler
+    ~~~~~~~~~~~~
+
+    Implements the actually handling object for pypw.
+
+    :copyright: (c) 2012 by Jason Lai.
+    :license: BSD, see LICENSE for more details.
+"""
+
+import logging
+
+
+class Handler(object):
+    """
+    Handlers control and manage the infomations of user.
+    """
+
+    def __init__(self):
+        # Initialize Log
+        self.log = logging.getLogger('pypw')
+
+    def initialize(self, cipher):
+        """
+        validate the cipher and load the data from outside file.
+        """
+        raise NotImplementedError
+
+    def write(self):
+        """
+        encrypt the infomations and dumps into outside file.
+        """
+        raise NotImplementedError
+
+    def add_item(group, item, value, update=False):
+        raise NotImplementedError
+
+    @property
+    def items(self):
+        raise NotImplementedError
+
+