Merge branch 'legacy' into new_frontend

backend/Procfile

@@ -0,0 +1 @@
+web: gunicorn wsgi:app

backend/helpers.py

@@ -18,7 +18,7 @@ def create_data_directory():
 def get_catalog_url():
     r = requests.get('https://www.karafun.de/karaoke-song-list.html')
     soup = BeautifulSoup(r.content, 'html.parser')
-    url = soup.findAll('a', href=True, text='Available in CSV format')[0]['href']
+    url = soup.findAll('a', href=True, text='Verfügbar in CSV-Format')[0]['href']
     return url
 
 def get_songs(url):
@@ -36,7 +36,9 @@ def check_config_exists():
     return os.path.isfile(config_file)
 
 def load_version(app):
-    if os.path.isfile(".version"):
+    if os.environ.get("SOURCE_VERSION"):
+        app.config['VERSION'] = os.environ.get("SOURCE_VERSION")[0:7]
+    elif os.path.isfile(".version"):
         with open('.version', 'r') as file:
             data = file.read().replace('\n', '')
             if data:

backend/requirements.txt

@@ -1,4 +1,5 @@
 requests
 pandas
 Flask-BasicAuth
-bs4
+bs4
+gunicorn

backend/wsgi.py

@@ -0,0 +1,4 @@
+from app import app
+
+if __name__ == "__main__":
+        app.run()