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DO IT LIVE!
This commit is contained in:
Kenneth Reitz
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!SLIDE
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# OCTOCATS!
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(CRAZY JAVASCRIPT AWESOMENESS)
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!SLIDE
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:)
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!SLIDE
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# Preface
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!SLIDE bullets incremental
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# Name Iterations
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* Python is a Ghetto
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* Why Python Sucks
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* Python is a Cancer™
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* Kennethreitz Has Jumped the Shark™
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!SLIDE
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# **LIES**
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!SLIDE
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I ♥ PYTHON!
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!SLIDE
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# ~Pragmatic Python
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(or something to that effect)
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!SLIDE
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Hi, may name is:
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github.com/
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# kennethreitz
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I build things.
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!SLIDE
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# I work.
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[COUCH]
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Readability.
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!SLIDE incremental smbullets
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# Projects
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* Requests
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* Tablib
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* Legit
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* OSX-GCC-Installer
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* Clint
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* Envoy
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* HTTPBin
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* ~198 Others
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!SLIDE
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# FOLLOW ME
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<3 OCTOCATS
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!SLIDE
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# Elsewhere
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The GitHub Reflog™
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The Changelog (logo)
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Always keeping on top of awesome new projects from all spaces, so if you know of anything that you think others need to hear about, shoot 'em over.
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!SLIDE
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# ~Pragmatic Python
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(or something to that effect)
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!SLIDE
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# Goals
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- Invoke discussion
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- socratic solutions to anarchaic problems?
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- *Not* anarchy
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!SLIDE
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# For the record...
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- *Not* a
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!SLIDE
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# This talk is:
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- A call for reevaluate our values
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- A
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- Most of the problems that we're going to discuss today are simple.
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!SLIDE
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# Part I: Philosophy
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!SLIDE
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# Dark Pasts
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- Perl
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- Java
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- PHP
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- ColdFusion
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- Classic ASP
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!SLIDE code
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# The Zen of Python.
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>>> import this
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!SLIDE
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> Beautiful is better than ugly.
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!SLIDE
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> Explicit is better than implicit.
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!SLIDE
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> Readability counts.
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!SLIDE
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> If the implementation is hard to explain, it's a bad idea.
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!SLIDE
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# Welcome to paradise.
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!SLIDE
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# LIES!
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@@ -1,113 +0,0 @@
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!SLIDE
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# Part II: Beginnings
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So, let's say we're new to Python.
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Let's get started!
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!SLIDE
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# Step 1: Pick a Release.
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Pick carefully.
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!SLIDE incremental
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# Step 2: Install Python.
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Decisions, decisions.
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* Download installer from python.org?
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* 32bit or 64bit?
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* Build from source?
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* If so, Unix or framework build?
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!SLIDE
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# Step 3: Profit!
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Let's play around. Maybe play with the GitHub API?
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!SLIDE small code execute
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# Ruby.
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@@@ ruby
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require 'net/http'
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require 'uri'
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uri = URI.parse('https://api.github.com/user')
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http = Net::HTTP.new(uri.host, uri.port)
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http.use_ssl = true
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req = Net::HTTP::Get.new(uri.request_uri)
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req.basic_auth('username', 'password')
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r = http.request(req)
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puts r
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!SLIDE
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# http/url/lib/2
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- Extremely unclear why there are so many modules.
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- Search implies urllib2.
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- Let's give this a shot...
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!SLIDE
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# http/url/lib/2
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- Which module to use?
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- Worst API ever.
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- An *extremely* common use case.
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- I'd rather be writing ColdFusion™.
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!SLIDE
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# XML
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- `etree` is terrible.
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- `lxml` is awesome, but difficult to install.
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!SLIDE
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# File and System Operations
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- sys | shutils | os | os.path | io
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- Really difficult to run external commands.
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- This blocks dev+ops folks from adopting Python.
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!SLIDE
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# Packaging and Depdencies
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- pip or easy install?
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- setuptools isn't included with python? Distribute?
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- No easy_uninstall?
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- Broken `setup.py`s
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- "Released" packages not in the Cheeseshop
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!SLIDE
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# Date[time]s.
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- Which module to use?
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- Timezones
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- The stdlib can generate but not parse ISO8601 dates
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!SLIDE
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# Unicode.
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- LOLWUT
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!SLIDE
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# Testing.
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!SLIDE
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# Installing Dependencies
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* Pip? Virtualenv? Never mentioned in the docs.
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* python-mysql
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* mod_wsgi
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!SLIDE
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# Integration Time
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!SLIDE
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# PIL
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(On OSX, this is simple)
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@@ -1,168 +0,0 @@
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!SLIDE bullets incremental
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# This is a serious problem.
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!SLIDE bullets incremental
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# The Solution is Simple.
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- Build elegant tools to perform these tasks.
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- Provide a real resource for learning.
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!SLIDE
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## Python needs more Pragmatic Packages.
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!SLIDE dark
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## pra•gmat•ic |pragˈmatik|, *adj*:
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Dealing with things sensibly and realistically in a way that is
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based on practical rather than theoretical considerations.
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!SLIDE
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# An Examples.
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### Let's mess around. Maybe play with the GitHub API?
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!SLIDE
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!SLIDE small code
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@@@ ruby
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require 'net/http'
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require 'uri'
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uri = URI.parse('https://api.github.com/user')
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http = Net::HTTP.new(uri.host, uri.port)
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http.use_ssl = true
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req = Net::HTTP::Get.new(uri.request_uri)
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req.basic_auth('username', 'password')
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r = http.request(req)
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puts r
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## Let's port this to Python.
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!SLIDE smaller code execute
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# Python (hours later).
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@@@ python
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import urllib2
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gh_url = 'https://api.github.com/user'
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req = urllib2.Request(gh_url)
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password_manager = urllib2.HTTPPasswordMgrWithDefaultRealm()
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password_manager.add_password(None, gh_url, 'user', 'pass')
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auth_manager = urllib2.HTTPBasicAuthHandler(password_manager)
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opener = urllib2.build_opener(auth_manager)
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urllib2.install_opener(opener)
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handler = urllib2.urlopen(req)
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print handler.read()
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!SLIDE smaller code execute
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#I lied — there's more!
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@@@ python
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import re
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class HTTPForcedBasicAuthHandler(HTTPBasicAuthHandler):
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auth_header = 'Authorization'
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rx = re.compile('(?:.*,)*[ \t]*([^ \t]+)[ \t]+'
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'realm=(["\'])(.*?)\\2', re.I)
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def __init__(self, *args, **kwargs):
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HTTPBasicAuthHandler.__init__(self, *args, **kwargs)s
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def http_error_401(self, req, fp, code, msg, headers):
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url = req.get_full_url()
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response = self._http_error_auth_reqed(
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'www-authenticate', url, req, headers)
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self.reset_retry_count()
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return response
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http_error_404 = http_error_401
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!SLIDE
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# Admit it.
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If this was you, you'd leave Python and never come back.
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!SLIDE
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# Break it down.
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!SLIDE
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# Enter Requests.
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!SLIDE
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# The Codez, they are ugleh.
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[trollface or something]
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!SLIDE
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## Unless there's an explicit requirement,
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## a student should never see urllib2.
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# No excuses.
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!SLIDE
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# Pragmatic Package.
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@@@ python
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import requests
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url = 'https://api.github.com/user'
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auth = ('username', 'password')
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r = requests.get(url, auth=auth)
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print r.content
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!SLIDE
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# Fit the 90% Use Case.
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!SLIDE
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# The API is all that matters.
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## Everything else is secondary.
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!SLIDE incremental bullets
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# I Mean ***Everything***.
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- Features.
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- Efficiency.
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- Performance.
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- Corner-cases.
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!SLIDE
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# urllib2
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"I'd rather be writing ColdFusion."
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!SLIDE small
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# subprocess
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A powerful module that .
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@@@ python
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import envoy
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c = envoy.run('ls')
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.
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@@@ pycon
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>>> c.status_code
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200
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@@ -1,46 +0,0 @@
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!SLIDE
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## The Hitchhiker's Guide to Python
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# DON'T PANIC!
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http://python-guide.org
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!SLIDE
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- A guidebook for newcomers.
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- A reference for seasoned veterans.
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!SLIDE
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# There's only one rule.
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!SLIDE
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> There should be one—and preferably only one—obvious way to do it.
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!SLIDE
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# Topics
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!SLIDE
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# Installing Python Properly
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!SLIDE
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# Installing
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!SLIDE
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# Installing Python Properly
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!SLIDE
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# Installing Python Properly
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!SLIDE small
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# Best Practices
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- Will recommend **distribute**, **pip**, and **virtualenv** out of the box.
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Explicit directions for setup on every major OS.
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- Instill a resistance to `doctest`
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- Teach `datetime.utcnow()`
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!SLIDE small
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# Installation Guides
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- PIL
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- Python-MySQL
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Reference in New Issue
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