4'33'' | tidy: a tiny todo list web engine.

tidy: a tiny todo list web engine.

Uses web.py microframework: web.py, template.py, form.py.

Requires PostgreSQL, lighttpd, psycopg2 and flup.

Note: This code is beta. This means: 2xplore at your own risk ;)

Files:

tidy/ __init__.py app/ __init__.py controller.py conf/ httpd.conf db/ model.sql static/ favicon.ico icon.jpg style.css views/ base.html login.html todos.html

Main:

__init__.py

#! /usr/bin/env python 'tidy: a tiny todo list web engine.' __version__ = '0.01beta' __author__ = 'domimob' __license__ = 'public domain' # # Modules import. import web, app.controller # # App definition, via URL to class mapping. tidy = ( '/', 'app.controller.Index', '/session', 'app.controller.Session', '/todo/add', 'app.controller.ToDo', '/todo/del/(\d+)', 'app.controller.ToDo', '/style.css', 'app.controller.Style' ,) # # Database connection definition. web.db_parameters = dict ( dbn='postgres', user='domimob', pw='passwd', db='tidydb' ) # # App execution. if __name__ == '__main__': web.run(tidy)

Model:

db/model.sql

-- PostgreSQL database model. -- create table todos (id serial primary key, title text);

Controller:

app/__init__.py

# Application modules import. # import controller

app/controller.py

'todo-list web engine controller.' __version__ = '0.01beta' __author__ = 'domimob' # # Modules import. import web, template, form # # Views directory definition. view = template.render('views/') # # Forms definition. loginForm = form.Form(form.Password('password')) addForm = form.Form(form.Textbox('new', form.notnull)) # # RESTful class definition. class Index: 'Index page object definition.' def GET(self): 'Render the index page.' session = web.cookies() if not session: form = loginForm() print view.base(view.login(form)) else: list = web.select('todos') form = addForm() print view.base(view.todos(list, form), session) # class Session: 'Session object definition.' def GET(self): 'Manage the user logout.' web.setcookie('user', '', 'Mon, 01-Jan-2000 00:00:00 GMT') web.redirect('/') def POST(self): 'Manage the user login.' login = web.input() if login.password == web.db_parameters['pw']: web.setcookie('user', web.db_parameters['user']) web.redirect('/') # class ToDo: 'ToDo object definition.' def GET(self, id): 'Delete a todo item, identified by parameter id.' web.delete('todos', int(id)) web.redirect('/') def POST(self): 'Add a todo item.' form = addForm() if form.validates(): todo = web.input() web.insert('todos', title=todo.new) web.redirect('/') # class Style: 'Style object definition.' def GET(self): 'Render the stylesheet.' web.header("Content-Type","text/css; charset=utf-8") print open('static/style.css').read()

Views:

views/base.html

$def with (view, session=None) $# Base view definition. $# <html> <head> <title>tidy</title> <link rel="stylesheet" type="text/css" href="style.css"/> </head> <body> <table class="base"> <tr><td><img src="static/icon.jpg"/></td></tr> $if session: <tr><td><h3>$session.user's todo list</h3></tr></td> $else: <tr><td><h3>a tiny todo list web engine</h3></tr></td> <tr><td>$:view</tr></td> </table> </body> </html>

views/todos.html

$def with (list, form) $# Todos view definition. $# $for todo in list: <a class ="todo" href="todo/del/$todo.id" title="click to delete">$todo.title</a><br/> <form method="post" action="todo/add"> <br/>$:form.render() </form> <a href="/session">.logout</a>

views/login.html

$def with (form) $# Login view definition. $# <form method="post" action="session"> <br/>$:form.render() </form>

Static Files:

static/style.css

body { text-align: left; font-family: arial; color: #C0C0C0 } table.base { width: 50%; text-align: left; margin: auto } a { text-decoration: none; color: gray } a:hover { text-decoration: overline } a.todo { text-decoration: none; font-weight: bolder; color: black } a.todo:hover { text-decoration: line-through }

Web Server:

conf/httpd.conf

# LigHTTPd web server configuration. # # Server configuration. server.document-root = "/Users/domimob/lab/tidy/" server.modules = ("mod_fastcgi", "mod_rewrite") server.port = 8080 # # FastCGI configuration. fastcgi.server = ( "__init__.py" => (( "bin-path" => server.document-root + "/__init__.py", "socket" => "/tmp/fastcgi.socket", "max-procs" => 1 ))) # # mod_rewrite configuration. url.rewrite-once = ( "^/favicon.ico$" => "/static/favicon.ico", "^/static/(.*)$" => "/static/$1", "^/(.*)$" => "__init__.py/$1" ,)

Comments

test

mdubrowski 1 year ago #

faceplate 1 year ago #