# HG changeset patch
# User Pulkit Goyal <7895pulkit@gmail.com>
# Date 2018-03-28 11:01:16
# Node ID 36a5a1239a151cc91edd385f4da8c157f3326926
# Parent  a2f83661f7210bfc1c105404d0726bd7deeba465

state: don't have a dict like interface for cmdstate class

This patch changes the cmdstate class to stop having a dict like interface and
delete the __nonzero__ function. After this patch, the save fuction takes a dict
to store the data and read function returns a dict of the data stored.

Differential Revision: https://phab.mercurial-scm.org/D3572

diff --git a/mercurial/state.py b/mercurial/state.py
--- a/mercurial/state.py
+++ b/mercurial/state.py
@@ -46,31 +46,12 @@ class cmdstate(object):
         """
         self._repo = repo
         self.fname = fname
-        if not opts:
-            self.opts = {}
-        else:
-            self.opts = opts
-
-    def __nonzero__(self):
-        return self.exists()
-
-    def __getitem__(self, key):
-        return self.opts[key]
 
-    def __setitem__(self, key, value):
-        updates = {key: value}
-        self.opts.update(updates)
+    def read(self):
+        """read the existing state file and return a dict of data stored"""
+        return self._read()
 
-    def load(self):
-        """load the existing state file into the class object"""
-        op = self._read()
-        self.opts.update(op)
-
-    def addopts(self, opts):
-        """add more key-value pairs to the data stored by the object"""
-        self.opts.update(opts)
-
-    def save(self):
+    def save(self, data):
         """write all the state data stored to .hg/<filename> file
 
         we use third-party library cbor to serialize data to write in the file.