add some code

frame/constants.py

@@ -0,0 +1,21 @@
+"""
+常量
+"""
+
+import util.decorate as decorate
+
+
+@decorate.singleton
+class Constants(object):
+
+    def __init__(self):
+        import configparser
+        self.parser = configparser
+        print("init")
+        pass
+
+    def get(self):
+
+        pass
+
+constants = Constants

frame/head.py

@@ -0,0 +1,14 @@
+"""
+爬虫头
+"""
+
+import configparser
+
+
+class Head(object):
+
+    def __init__(self):
+        pass
+
+    def get_config(self):
+        pass

frame/insect.py

@@ -0,0 +1,8 @@
+"""
+爬虫
+"""
+
+
+class Insect(object):
+    def __init__(self):
+        pass

test/test.py

@@ -0,0 +1,9 @@
+#!/bin/bash python
+
+
+import frame.constants as cons
+
+if __name__ == '__main__':
+    constants = cons.constants
+    constants2 = cons.Constants()
+    constants3 = cons.Constants()

util/decorate.py

@@ -0,0 +1,16 @@
+"""
+装饰器
+"""
+
+
+def singleton(cls, *args, **kw):
+    """
+        使用singleton装饰器后,该类成为单例类
+    """
+    instances = {}
+
+    def _singleton():
+        if cls not in instances:
+            instances[cls] = cls(*args, **kw)
+        return instances[cls]
+    return _singleton