Fix readme.

Author: yxd-hde

README.md

@@ -8,15 +8,14 @@ Run lambda function on local machine
 
 ## Prepare development environment
 
-Please use a newly created virtualenv for python2.7.
+Please use a newly created virtualenv of Python 2.7 or Python 3.6 .
 
 ## Installation
 
 Within virtualenv, run the following command.
 
 ``` bash
-$ cd $PROJECT_ROOT
-$ pip install ./
+$ pip install python-lambda-local
 ```
 
 This will install the package with name `python-lambda-local` in the virtualenv.
@@ -28,7 +27,7 @@ Run `python-lambda-local -h` to see the help.
 
 ```
 usage: python-lambda-local [-h] [-l LIBRARY_PATH] [-f HANDLER_FUNCTION]
-                           [-t TIMEOUT]
+                           [-t TIMEOUT] [-a ARN_STRING] [-v VERSION_NAME]
                            FILE EVENT
 
 Run AWS Lambda function written in Python on local machine.
@@ -45,6 +44,10 @@ optional arguments:
                         Lambda function handler name. Default: "handler".
   -t TIMEOUT, --timeout TIMEOUT
                         Seconds until lambda function timeout. Default: 3
+  -a ARN_STRING, --arn-string ARN_STRING
+                        arn string for function
+  -v VERSION_NAME, --version-name VERSION_NAME
+                        function version name
 ```
 
 ### Prepare development directory
@@ -73,29 +76,30 @@ Suppose your project directory is like this:
 └── test.py
 ```
 
-In the handler's code is in `test.py` and the function name of the handler is `handler`.
-The source depends on 3rd party library `rx` and it is install in the directory `lib`.
-The test event of json format is in `event.json` file.
+The handler's code is in `test.py` and the function name of the handler is `handler`.
+The source depends on 3rd party library `rx` and it is installed in the directory `lib`.
+The test event in json format is in `event.json` file.
 
 #### Content of `test.py`:
 
 ``` python
+from __future__ import print_function
 from rx import Observable
 
 
 def handler(event, context):
-    xs = Observable.from_([1, 2, 3, 4, 5, 6])
+    xs = Observable.from_(range(event['answer']))
     ys = xs.to_blocking()
-    zs = (x*x for x in ys if x > 3)
+    zs = (x*x for x in ys if x % 7 == 0)
     for x in zs:
-        print x
+        print(x)
 ```
 
 #### Content of `event.json`:
 
 ``` json
 {
-  "key": "value"
+  "answer": 42
 }
 ```
 
@@ -110,11 +114,16 @@ python-lambda-local -l lib/ -f handler -t 5 test.py event.json
 The output will be like:
 
 ```
-[INFO 2015-10-16 18:21:14,774] Event: {'key': 'value'}
-[INFO 2015-10-16 18:21:14,774] START RequestId: 324cb1c5-fa9b-4f39-8ad9-01c95f7d5744
-16
-25
-36
-[INFO 2015-10-16 18:21:14,775] END RequestId: 324cb1c5-fa9b-4f39-8ad9-01c95f7d5744
-[INFO 2015-10-16 18:21:14,775] RESULT: None
+[root - INFO - 2017-04-19 12:39:05,512] Event: {u'answer': 42}
+[root - INFO - 2017-04-19 12:39:05,512] START RequestId: b918f9ae-0ca1-44af-9937-dd5f9eeedcc1
+0
+49
+196
+441
+784
+1225
+[root - INFO - 2017-04-19 12:39:05,515] END RequestId: b918f9ae-0ca1-44af-9937-dd5f9eeedcc1
+[root - INFO - 2017-04-19 12:39:05,515] RESULT:
+None
+[root - INFO - 2017-04-19 12:39:05,515] REPORT RequestId: b918f9ae-0ca1-44af-9937-dd5f9eeedcc1	Duration: 2.27 ms
 ```