Add xkcd module (#123)

Author: conormag94

modules/src/__init__.py

@@ -20,6 +20,7 @@
     'video',
     'weather',
     'wiki',
+    'xkcd',
 ]
 
 # List of modules that send data personalized to the user

modules/src/xkcd.py

@@ -0,0 +1,22 @@
+import requests
+from templates.text import TextTemplate
+import json
+import config
+
+def process(input, entities=None):
+    output = {}
+    try:
+        r = requests.get('http://xkcd.com/info.0.json')
+        data = r.json()
+        number = data['num']
+        title = data['title']
+        link = data['img']
+
+        output['input'] = input
+        output['output'] = TextTemplate('Number: ' + number + '\nTitle: ' + title + '\nLink: ' + link).get_message()
+        output['success'] = True
+    except:
+        error_message = 'Error retrieving latest XKCD'
+        ouput['error_message'] = TextTemplate(error_message).get_message()
+        output['success'] = False
+    return output

modules/tests/test_xkcd.py

@@ -0,0 +1,7 @@
+import modules
+
+def test_xkcd():
+    assert('xkcd' == modules.process_query('Show me the latest xkcd')[0])
+    assert('xkcd' == modules.process_query('current xkcd')[0])
+    assert('xkcd' == modules.process_query('show me an xkcd')[0])
+    assert('xkcd' != modules.process_query('tell me a joke')[0])