try

.gitignore

@@ -1,5 +1,5 @@
 # Cosmos related
-cosmos/
+static/
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
@@ -96,3 +96,4 @@ staticfiles/
 *.sqlite3
 *.pyc
 .idea/
+.DS_Store

.travis.yml

@@ -20,4 +20,7 @@ env:
   - DJANGO_VERSION=1.11.7
 # script
 script:
-  - python3 manage.py test
+  - flake8 .
+  - python3 manage.py makemigrations
+  - python3 manage.py migrate
+  - python3 manage.py test

cosmos_search/settings.py

@@ -34,12 +34,14 @@
 
 COSMOS_LINK = 'https://github.com/OpenGenus/cosmos.git'
 
-COSMOS_PATH = 'cosmos/code/'
+COSMOS_ROOT = 'cosmos/'
 
 METADATA_JSON = 'metadata.json'
 
 TAGS_JSON = 'tags.json'
 
+TIMESTAMPS_JSON = 'timestamps.json'
+
 # Application definition
 
 INSTALLED_APPS = [
@@ -133,4 +135,3 @@
 
 STATIC_URL = '/static/'
 STATIC_ROOT = os.path.join(BASE_DIR, 'static')
-

cosmos_search/urls.py

@@ -14,11 +14,15 @@
     2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
 """
 from django.conf.urls import url, include
+from django.conf.urls.static import static
 from django.contrib import admin
 from django.conf.urls import handler400
 from django.conf.urls import handler403
 from django.conf.urls import handler404
 from django.conf.urls import handler500
+from django.views.static import serve
+
+from cosmos_search import settings
 from search import views
 
 urlpatterns = [
@@ -27,7 +31,14 @@
     url(r'^admin/', admin.site.urls),
 ]
 
-handler400 = views.error400
-handler403 = views.error403
-handler404 = views.error404
-handler500 = views.error500
+if settings.DEBUG:
+    urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
+
+if settings.DEBUG is False:
+    urlpatterns += [url(r'^static/(?P<path>.*)$', serve, {'document_root': settings.STATIC_ROOT}), ]
+
+
+handler400 = views.error400  # noqa
+handler403 = views.error403  # noqa
+handler404 = views.error404  # noqa
+handler500 = views.error500  # noqa

manage.py

@@ -11,7 +11,7 @@
         # issue is really that Django is missing to avoid masking other
         # exceptions on Python 2.
         try:
-            import django
+            import django  # noqa
         except ImportError:
             raise ImportError(
                 "Couldn't import Django. Are you sure it's installed and "

requirements.txt

@@ -1,6 +1,7 @@
 certifi==2017.11.5
 chardet==3.0.4
 Django==1.11.7
+flake8==3.5.0
 gitdb2==2.0.3
 GitPython==2.1.7
 gunicorn==19.7.1

search/admin.py

@@ -1,3 +1,3 @@
-from django.contrib import admin
+from django.contrib import admin  # noqa
 
 # Register your models here.

search/models.py

@@ -1,3 +1,3 @@
-from django.db import models
+from django.db import models  # noqa
 
 # Create your models here.

search/static/css/calculator.css

@@ -0,0 +1,168 @@
+#calculator {
+    width: 475px;
+    height: auto;
+
+    margin: 100px auto;
+    padding: 20px 20px 9px;
+
+    background: #949494;
+    /*background: linear-gradient(#9dd2ea, #8bceec);*/
+    border-radius: 3px;
+ }
+.cal-top{
+    position: relative;
+    top: -70px;
+}
+/* Top portion */
+.top span.clear {
+    float: left;
+}
+
+/* Inset shadow on the screen to create indent */
+.top .screen {
+    height: 65px;
+    width: 426px;
+    float: left;
+    padding: 10px 10px;
+    background: rgb(255, 255, 255);
+    border-radius: 3px;
+    /*box-shadow: inset 0px 4px rgba(0, 0, 0, 0.2);*/
+    font-size: 17px;
+    line-height: 40px;
+    color: white !important;
+    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
+    text-align: right;
+    letter-spacing: 1px;
+    margin-bottom: 2%;
+}
+
+/* Clear floats */
+.keys, .top {
+    overflow: hidden;
+}
+
+/* Applying same to the keys */
+.keys span, .top span.clear {
+    float: left;
+    position: relative;
+    top: 0;
+
+    cursor: pointer;
+
+    width: 65px;
+    height: 36px;
+
+    background: white;
+    border-radius: 3px;
+    box-shadow: 0px 2px rgba(0, 0, 0, 0.2);
+
+    margin: 0 7px 11px 0;
+
+    line-height: 36px;
+    text-align: center;
+
+    /* prevent selection of text inside keys */
+    user-select: none;
+
+    /* Smoothing out hover and active states using css3 transitions */
+    transition: all 0.2s ease;
+}
+
+/* Remove right margins from operator keys */
+/* style different type of keys (operators/evaluate/clear) differently */
+.keys span.operator {
+    background: #FFF0F5;
+    margin-right: 0;
+}
+
+.keys span.eval {
+    background: #a6e3e4;
+    /*box-shadow: 0px 4px #9da853;*/
+
+}
+
+.top span.clear {
+    background: #ff9fa8;
+    box-shadow: 0px 4px #ff7c87;
+    color: white;
+}
+
+/* Some hover effects */
+.keys span:hover {
+    background: #d9d5ec;
+    color: white;
+}
+
+.keys span.eval:hover {
+    background: #96cfd0;
+    /*box-shadow: 0px 4px #717a33;*/
+    color: #ffffff;
+}
+input#seq:focus {
+    outline: none;
+    background: transparent;
+}
+.top span.clear:hover {
+    background: #f68991;
+    box-shadow: 0px 4px #d3545d;
+    color: white;
+}
+
+.keys span:active {
+    top: 4px;
+}
+
+.keys span.eval:active {
+    box-shadow: 0px 0px #717a33;
+    top: 4px;
+}
+
+.top span.clear:active {
+    top: 4px;
+    box-shadow: 0px 0px #d3545d;
+}
+
+.sp {
+    margin-right: 7px !important;
+}
+
+input {
+    border: none;
+    background: none;
+}
+
+.clear {
+    background: #dcbd5e !important;
+    color: #fff;
+}
+
+input.num {
+    width: 100% !important;
+}
+input.num:focus {
+    outline: none;
+}
+input#resultText {
+    outline: none;
+    padding-bottom: 4px;
+    width: 100%;
+    float: right;
+    text-align: right;
+    height: 15px;
+    position: relative;
+    top: -10px;
+}
+input[type="text"], textarea {
+    background-color: rgb(255, 255, 255);
+    background-image: none;
+    color: rgb(0, 0, 0);
+}
+input#seq {
+    width: 100%;
+    text-align: right;
+    padding: 0px !important;
+    margin: 0px !important;
+    position: relative;
+    top: -15px;
+    font-size: 10px;
+}