From 2d7704fd2b1ec8b5baa232de81c2593d5b835d28 Mon Sep 17 00:00:00 2001
From: Mike Bryant <mike@mikebryant.me.uk>
Date: Fri, 6 May 2016 11:59:58 +0100
Subject: [PATCH] Use shlex to tokenize the input string. Fixes #3

Allow the use of quoted arguments, e.g.
```
Usage:
  test <arg1> <arg2>
```
with the input `a "b c d"`

If tokenization fails, fall back to the original behaviour
---
 app.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app.py b/app.py
index c2fe9fd..f553777 100644
--- a/app.py
+++ b/app.py
@@ -16,7 +16,7 @@
   --drifting    Drifting mine.
 
 """
-import os, sys, traceback, json
+import os, sys, traceback, json, shlex
 from StringIO import StringIO
 
 from flask import Flask, render_template as render, request
@@ -27,6 +27,10 @@
 
 
 def run_docopt(doc, argv):
+    try:
+        argv = shlex.split(argv)
+    except ValueError:
+        pass
     real_stdout, sys.stdout = sys.stdout, StringIO()
     real_stderr, sys.stderr = sys.stderr, StringIO()
     try: