committed from zkp

pythonkd · pythonkd · commit e3ff48fabbba · 2018-11-07T20:38:19.000+08:00
diff --git a/FluentPython/StrKeyDict1.py b/FluentPython/StrKeyDict1.py
@@ -0,0 +1,11 @@
+import collections
+class StrKeyDict(collections.UserDict):
+    def __missing__(self, key):
+        if isinstance(key,str):
+            raise KeyError(key)
+        return self[str(key)]
+    def __contains__(self, key):
+        return str(key) in self.date
+    def __setitem__(self, key, item):
+        print('setitem',item)
+        self.data[str(key)] = item
