Merge pull request #163 from kawasakitoshiya/add_doc_about_error

add explanation about read error

Author: lavagetto

README.rst

@@ -67,6 +67,14 @@ Read a key
     client.read('/nodes', recursive = True) #get all the values of a directory, recursively.
     client.get('/nodes/n2').value
 
+    # raises etcd.EtcdKeyNotFound when key not found
+    try:
+        client.read('/invalid/path')
+    except etcd.EtcdKeyNotFound:
+        # do something
+        print "error"
+
+
 Delete a key
 ~~~~~~~~~~~~
 

docs-source/index.rst

@@ -88,6 +88,12 @@ Get a key
     client.read('/nodes/n2', wait=True) #Waits for a change in value in the key before returning.
     client.read('/nodes/n2', wait=True, waitIndex=10)
 
+    # raises etcd.EtcdKeyNotFound when key not found
+    try:
+        client.read('/invalid/path')
+    except etcd.EtcdKeyNotFound:
+        # do something
+        print "error"
 
 
 Delete a key