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10 Years of Python Libraries
Armin Ronacher
March 20, 2015
Programming
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10 Years of Python Libraries
A presentation at PiterPy 2015 about 10 Years of Python Libraries.
Armin Ronacher
March 20, 2015
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Transcript
10 Years of Python Libraries Armin “@mitsuhiko” Ronacher
Who am I? { }
Armin Ronacher Advisor and System Architect at Splash Damage /
Fireteam Partner at Getsentry lucumr.pocoo.org/talks
None
Where I come from { }
Hermagor Carinthia; Austria ( )
Population: 6952
Computer Scientists: 0
The Internet to the rescue
h 2003 Discovered Python
9 2004 ubuntuusers.de
n 2005 Pocoo!
D 2005 WTF is CGI?
h 2006 Colubrid GPL Licensed!
h 2007 Licensing
9 2009 Flask
h 20?? Many, many more
n Now Open Source Consulting
How to Succeed { }
you can only build what you use
you can only build what you understand
you can only build what you love
be critical
restrict your API
license it well
The Thing with Using { }
chicken and egg situation:
not enough to use it after building;
how do you use something that does not exist?
Iteration
M ockups
Use the Repl
Learn to Throw Away
Systems > Solutions
one trick pony
Understanding { }
this is the trickiest part
especially if you build something new
Data Flow Transformation &
context matters
w Love what you build { }
how do you know you found love?
enjoy using it? :) do you …
what if you found new love?
admit mistakes
give it someone else
being critical { }
it's normal to learn
you might hate what you did a year ago
second system syndrome careful though:
Restrict your API { }
APIs are Contracts __________________
Contracts Expensive are
maintenance complicates
it's okay to keep things private
you can make them public later on
license it well { }
consider the consequences
licenses are forever
API Design Goals { }
stateless
layered
consistent
small
abstraction leakage
documentation thou shall write
?