Manage script, hopefully final version

Pipfile

@@ -17,6 +17,8 @@ flask-migrate = "*"
 pillow = "*"
 psycopg2 = "*"
 flask-login = "*"
+wtforms = "*"
+email-validator = "*"
 flask-wtf = "*"
 flask-assets = "*"
 # pyscss = "*"

manage.sh

@@ -1,9 +1,10 @@
-#!/bin/bash
+#!/bin/sh
 export FLASK_APP=yadc
 root="."
 
 pipenv="python3 -m pipenv"
 run="$pipenv run"
+editor="nano"
 
 prepare_venv() {
     $pipenv install
@@ -14,13 +15,18 @@ prepare_instance() {
     mkdir -p instance/post/img
     mkdir -p instance/post/jpeg
     mkdir -p instance/post/sample
+    mkdir -p instance/post/thumb_big
     mkdir -p instance/post/thumb
 
     cp yadc/config.def.py instance/config.py
 }
 
+edit_config() {
+    $editor instance/config.py
+}
+
 prepare_db() {
-    $run flask upgrade
+    $run flask db upgrade
 }
 
 gunicorn_run() {
@@ -34,13 +40,23 @@ case $1 in
     "init_instance")
         prepare_instance
         ;;
+    "config")
+        edit_config
+        ;;
     "init_db")
         prepare_db
         ;;
     "init")
         prepare_venv
         prepare_instance
+
+        echo "Now please configure database access credentials and preferably other relevant settings."
+        sleep 4
+        edit_config
+
         prepare_db
+
+        echo "Now (if no error occured) you are ready to launch your application using \'$0 run\'"
         ;;
     "run")
         gunicorn_run
@@ -51,6 +67,7 @@ case $1 in
         echo "  init - complete init"
         echo "  init_venv"
         echo "  init_instance"
+        echo "  config"
         echo "  init_db"
         ;;
 esac

yadc/__init__.py

@@ -1,5 +1,4 @@
 import os
-import shutil
 
 from flask import Flask
 from flask_sqlalchemy import SQLAlchemy
@@ -16,19 +15,9 @@ def create_app():
     app = Flask(__name__, instance_relative_config=True)
 
     app.config.from_mapping(POST_UPLOADS=os.path.join(app.instance_path, 'post'), SQLALCHEMY_TRACK_MODIFICATIONS=False)
-    # try:
-    #     os.makedirs(app.instance_path)
-
-    #     # os.makedirs(app.config.get('POST_UPLOADS'))
-    #     for d in ['img', 'jpeg', 'sample', 'thumb']:
-    #         os.makedirs(os.path.join(app.config.get('POST_UPLOADS'), d))
-
-    #     # shutil.copyfile(os.path.join(app.root_path, 'config.def.py'), os.path.join(app.instance_path, 'config.py'))
-    # except OSError:
-    #     pass
-
-    ## TO REDO
 
+    if not os.path.isfile(os.path.join(app.instance_path, 'config.py')):
+        raise OSError('Before starting application, please initialize environment using \'manage.sh\' script in the root directory.')
     app.config.from_pyfile('config.py')
 
     app.jinja_env.trim_blocks = True