flaskr

• There is a new and an old version of the tutorial available - be sure you are using the proper notes
• old version has a DB, but is not really effective
• new version is embedded in the larger flask download (github), and does use a sqlite DB, WITH encrypted passwords (functionality from werkzeug.security)
• There are a lot of files that depend on each other and on their correct locations in the flaskr directory structure, and use the default file structure of the Flask constructor:
• API — Flask Documentation (1.1.x)
• static_folder='static' - place for css and image files, etc.
  
• template_folder='templates' - place for template html files
  
• instance_path=None - default is 'instance'

Steps:

1. Download or copy/paste the new python source code for flaskr from github
1. flask/examples/tutorial at master · pallets/flask · GitHub
2. Get in the right directory - the parent of the flaskr directory:
   $ dir -F
   flaskr/  instance/  LICENSE  MANIFEST.in  README.md  setup.cfg  setup.py
3. Set the required environment variables:
1. Linux/Mac:
   $ export FLASK_APP=flaskr; export FLASK_ENV=development
2. Windows:
   > C:\path\to\app>set FLASK_APP=hello.py
   > C:\path\to\app>set FLASK_ENV=development
   
4. Initialize the database:
   $ flask init-db
5. Ready to run flaskr
1. with no parameters, default is local host, ip=127.0.0.1, port=5000
   flask run
2. letting the "universe" know about your server, port still 5000
   flask run --host=0.0.0.0

Steps for lab 7 (Mac)

1. Copy image files to static directory.
2. Create or copy a .py file for the additions to the project, say nick.py (or lab7.py?)
3. Create a directory under templates: templates.nick or templates.lab7, say.
4. Copy or create some html files into templates.nick (or so) - pagea.html, pageb.html, table.html in my case.
5. __init__.py:
   from flaskr import auth, blog, nick
   app.register_blueprint(nick.bp)
   
6. nick.py
1. from flask import Blueprint
2. from flask import render_template
3. from flask import redirect
4. bp = Blueprint("nick", __name__)
5. import time
   def curtime () :
     return time.asctime(time.localtime(time.time()))
   
6. @bp.route ("/a")
   def replyA () :
      return render_template ('nick/pagea.html', title="page a", time=curtime())
7. repeat 6 for other pages, in my case: /b and /table
   
7. base.html, adding - YOUR links should link to YOUR pages, of course:
      Links to our pages:
      <ul>
         <li><a href='/'>Home</a>
         <li><a href='/a'>page a</a>
         <li><a href='/b'>page b</a>
         <li><a href='/table'>table</a>
      </ul>
      <hr>
     {% block content %}{% endblock %}
      {% if time %}
         <hr>Time: {{ time }}
      {% endif %}
   
8. Run flask and check to find files using:
1. flask run
9. If you want to use the login system already present in flaskr, add the following:
1. from flaskr.auth import login_required
   @bp.route ("/table")
   @login_required