add pickle and json samples

michaelliao · michaelliao · commit 38624c31dfd2 · 2015-04-01T14:12:38.000+08:00
diff --git a/py3/io/use_json.py b/py3/io/use_json.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import json
+
+d = dict(name='Bob', age=20, score=88)
+data = json.dumps(d)
+print('JSON Data is a str:', data)
+reborn = json.loads(data)
+print(reborn)
+
+class Student(object):
+
+    def __init__(self, name, age, score):
+        self.name = name
+        self.age = age
+        self.score = score
+
+    def __str__(self):
+        return 'Student object (%s, %s, %s)' % (self.name, self.age, self.score)
+
+s = Student('Bob', 20, 88)
+std_data = json.dumps(s, default=lambda obj: obj.__dict__)
+print('Dump Student:', std_data)
+rebuild = json.loads(std_data, object_hook=lambda d: Student(d['name'], d['age'], d['score']))
+print(rebuild)
diff --git a/py3/io/use_pickle.py b/py3/io/use_pickle.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import pickle
+
+d = dict(name='Bob', age=20, score=88)
+data = pickle.dumps(d)
+print(data)
+
+reborn = pickle.loads(data)
+print(reborn)
