Secret key generation on the device instead of storing it in git

.gitignore

@@ -0,0 +1,2 @@
+secret.key
+

contextualise.py

@@ -10,6 +10,8 @@ from PIL import Image, ImageDraw, ImageFont
 import numpy as np
 from itertools import zip_longest
 import collections
+import random
+import string
 
 
 app = Flask(__name__, static_url_path='', static_folder="static", template_folder="templates")
@@ -41,21 +43,32 @@ pathofwords = []
 pathofnumbers = []
 
 #VARS FOR THE SESSIONS
-app.secret_key = 'your secret'
-app.config['SESSION_TYPE'] = 'filesystem'
+# We don't want to store the secret key in git, but also don't really care what it is
+# so generate it and store it to a file that's not in git:
+current_dir = os.path.dirname(os.path.realpath(__file__))
+secret_key_file = os.path.join(current_dir, 'secret.key')
+if os.path.exists(secret_key_file):
+    with open(secret_key_file, 'r') as fp:
+        secret_key = fp.read()
+else:
+    secret_key = ''.join(random.choice(string.ascii_lowercase) for i in range(100))
+    with open(secret_key_file, 'w') as fp:
+        fp.write(secret_key)
+app.secret_key = secret_key
+#app.config['SESSION_TYPE'] = 'filesystem' # works only for flask-session (we use native flask cookie-sessions)
+
+def clearSession():
+    # Flask sessions are serialised into a cookie, so we cannot use the deque here
+    session['wordpath'] = [] 
+    session['clicktime'] = []
+    session['id'] = []
+    session['veryfirstnow'] = datetime.now().isoformat()
 
 def setupSession():
     # session should be configured from within request context
     # so this function should be called on each request
-    if 'wordpath' not in session:
-        # Flask sessions are serialised into a cookie, so we cannot use the deque here
-        session['wordpath'] = [] 
-    if 'clicktime' not in session:
-        session['clicktime'] = []
-    if 'id' not in session:
-        session['id'] = []
     if 'veryfirstnow' not in session:
-        session['veryfirstnow'] = datetime.now().isoformat()
+        clearSession()
 
 # preparing the index.json file for the navbar
 index_dict = {}
@@ -125,6 +138,13 @@ def about():
 
     return render_template('about.html')
 
+@app.route('/clear')
+def clear():
+    # return to a refer if its set, default to root
+    return_url = request.environ.get("HTTP_REFERER", '/')
+    clearSession()
+    return redirect(return_url)
+
 # @app.route('/all/')
 # def all():
 #     thefile = listingfiles[positioninarray]

static/css/main.css

@@ -151,9 +151,9 @@ div.explanation{
 header{
   /* border: lime 1px solid; */
   padding-top: -1em;
-  padding-right: 10em;
+  margin-right: 10em;
   position: absolute;
-  top:12em;
+  top:17em;
   width: 29em;
   -webkit-transform-origin: 0 50%;
 		 -moz-transform-origin: 0 50%;

templates/layout.html

@@ -13,6 +13,7 @@
 <div id="top">
 <!-- WORDPATH -->
 <div id="thewordpath">
+  {% if functionsession %}[<a href='/clear' title='Clear current score'>x</a>]{% endif %}
   {% for item in functionsession %}
     <span class="word">{{ item }} ▶ </span>
   {% endfor %}