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Python Evangelism 101or
“Python Meets The Enterprise”
Peter Wang
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Teaching Languages
• Readability
• Ease of use
• “Fits in your head”
• Incremental sense of accomplishment
• aka “gets things done”
• Deployment
• aka “Lookie what I did!”
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Professional Languages
• Readability
• Ease of use
• “Fits in your head”
• Gets things done
• Legacy integration
• Good libraries
• “Lookie what I did!”
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Don’t care about...
• Technical purity
• e-peen factor
• (beyond “Lookie what I did”)
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Truths about Programmers
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Truths about Good Programmers
• Lazy
• (in a good way!)
• just want things to work
• Temperamental tinkerers
• Obsessed with details
• (Sometimes)
• Spoiled kids who just want to have fun
• And sometimes create Fortune 100 companies
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Fun & Passion
• Americans are obsessed with “fun”
• Alias for Passionate Creativity
• Early adopters tend to be passionate
• Passion
• leads to Motivation
• leads to Productivity
• (leads to suf-fering?)
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Truths about Software
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Arguable Truths about Software
Software Development is a Craft
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Arguable Truths about Software
Software Development is a Craft
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Observations About Languages
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Completely Controversial Observations about Languages
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Completely Controversial Observations about Languages
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Exercises
1. Draw lines corresponding to expected effort for each language
• Difference to reality is the Moxie Gap
• Directly modulates Motivation
2. Add Lisp to that graph
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One Truth About Python
• Power scales with the ability of the programmer
• Novices can do simple things
• Really bright people build tools
• Novices leverage these tools
• Lone sysadmins <3 perl
• Mavericks in small workgroups <3 Python
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Python meets the enterprise
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Python meets The Enterprise
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Python meets The Enterprise
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Python meets The Enterprise
• “Original Sin of Enterprise Software Development”
• Programmers are fungible
• In low-productivity regions, almost true.
• Not true to really effectively leverage Python
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Good News
More businesses are using Python.
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Bad News
More businesses are using Python.
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Bad News
More managers are managing Python programmers.
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Bad News
More managers are managing ex-Java programmerswriting Python code.
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The Java Question
There exist Java people.
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The Java Question
There exist Java_People.
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The Java Question
There exist com.sun.stereotypes.offensive.JavaPeople
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The Java Question
How do we foster a Pythonic mindset in people from Bondage
& Discipline languages?
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Suggestions
• Fun
• Passion
• Motivation
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Why this talk at SciPy?
• Scientists program to get things done
• Early adopters
• Likely to be Python evangelists within your groups & organizations
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Things To Do
• Introduce Python to your friends
• Make useful tools
• Be friendly
• not snarky
• (like me)
• Be open
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Things Not To Do
• Introduce Python to your frenemies
• Foist Python on the unwilling
• Vaccinate your group against dynamic languages
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TL;DR
• We all enjoy coding in Python.
• We want to continue coding in Python.
• We don’t want a wasteland of failed deployments.
• Leave that to Java.
• Make useful tools; let those change minds.