refactor with blueprints

app/photo_routes/proutes.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+
+from flask import Blueprint, flash, render_template, current_app
+from flask_login import current_user
+from shutil import disk_usage
+import psycopg2
+
+proute = Blueprint(
+    "proute", __name__, template_folder="templates"
+)
+
+
+@proute.route("/")
+@proute.route("/index")
+def index():
+    if current_user.is_authenticated:
+        photos = get_photo_list(current_user.id)
+        flash(get_disk_stats())
+        return(render_template(
+            'index.html',
+            title="Photos",
+            photos=photos,
+            photo_url=current_app.config['PHOTO_URL']
+        ))
+    return render_template('index.html', title="Photos")
+
+
+def get_photo_list(contributor_id):
+    conn = psycopg2.connect(
+        dbname=current_app.config['DATABASE_NAME'],
+        user=current_app.config['DATABASE_USER'],
+        host=current_app.config['DATABASE_HOST'],
+        password=current_app.config['DATABASE_PASSWORD']
+    )
+    cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+    cur.execute("SELECT photo_name,id FROM photo WHERE contributor_id=%s ORDER BY timestamp,\"DateTimeOriginal\" DESC", (contributor_id, ))
+    photos = cur.fetchall()
+    conn.close()
+    return photos
+
+
+def get_disk_stats():
+    disk_stats = disk_usage('/')
+    return("Used {}GB of {}GB, {}GB free".format(
+        round(disk_stats.used / 1073741824, 1),
+        round(disk_stats.total / 1073741824, 1),
+        round(disk_stats.free / 1073741824, 1)
+    ))