python and the web

PYTHON AND THE WEBJ ames Tauber

@jtauber

Python Web

Python Web

Python Web

Python Web

Python Web

“python” in talk and “web” in talk

HISTORY1989

GvR starts work on PythonTBL writes proposal for what would become WWW

1994

Python 1.0 released

First WWW conference

W3C founded

1997

HTML 3.2 releasedPython 1.5 released

Python Web

Batter ies Inc luded

NumPy

Sc iPy

Matp lot l ib

pandas

NLTK

music21

sebast ian / czerny

Sphinx

readthedocs .or g

PyPI

cr ate . io

You can’t use a specialist language to build a system

•computer scientists

•domain experts

•system administrators

•web developers

“Programs are meant to be read by humans and only incidentally for computers to execute”

—Don Knuth

Python Web

HTML, HTTP, URLs

Ser v ing s tat ic f i les wi th hyper l inks

Images

CSS

Ser ver S ide Inc ludes

CGI

Common Gateway Inter face

Inver t ing Code and Mar kup

PHP and ASP

Database-backed Webs i tes

LAMP

J avascr ipt

XML

Web Ser v ices

AJAX

JSON

what i s a web page?

what i s a webs i te?

Candelabr a Demo

j tauber.g i thub.com demo

Python Web

LAMP

Python

ZOPE

Plone

WSGI

MVC

database mapping

HTML templat ing

request rout ing

TurboGears 1

SQLObject

K id

Cher r yPy

TurboGears 2

SQLAlchemy

Gensh i

Py lons

Repoze BFG

Pylons

Pyramid

Flask

Wer kzeur g

J in ja2

Django

1.0 September 2008

1.1 Ju ly 2009

1.2 May 2010

1.3 March 2011

1.4 March 2012

t imezones

SELECT FOR UPDATE

password hash ing

s igned cook ies

pro ject /app templates

wsg i .py

in-browser test ing

a layer above?

why layer ?

por tab i l i ty o f h igher layer s

reusab i l i ty o f lower layer s

“We read Knuth so you don’t have to”

—Tim Peters

idea realization

What you do for a living is not be creative, what you do is ship

— Seth Godin

Pinax prov ides what many s i tes have in common so you can focus on what makes your s i te d i f ferent

Project layoutDefau l t templates

Account ManagementReusable apps

Star ter Pro jects

AnnouncementsAttachments

AvatarsBadgesBlogs

BookmarksContact import

Email confirmationFriends

InvitationsMarkup

MicrobloggingNotification

OAuthOpenID

PaginationPhotosProfiles

Sign up codesTaggingTasks

Threaded-commentsTimezones

User-to-user messagesVotingWikis

cach ing (Redis)search (So l r / Haystack)

message queues (Celer y)

Prov id ing Web APIs

Consuming Web APIs

PYTHON AND THE WEBJ ames Tauber

@jtauber