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Using Buildout to Develop and Deploy Python Projects
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Using Buildout to Develop and Deploy Python Projects

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Buildout gives you a way to manage, build and deploy your Python project with ease. Large Python projects such as Plone use it to distribute repeatable development environments. Buildout allows you …

Buildout gives you a way to manage, build and deploy your Python project with ease. Large Python projects such as Plone use it to distribute repeatable development environments. Buildout allows you to easily get up and running with your project versus the traditional method of installing all the dependancies and manually configuring your applications instance for each environment. The buildout community is rapidly growing with a large repository of recipes that allow you to extend it's functionality. This talk will show you the basics of using buildout and how to make it a vital part of your project's life cycle.

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  • 1. Using Buildout to Develop and Deploy Python Projects Clayton Parker PyOhio 2009 nowhere to go but open source s ix fe e tup . co m / i mm e rs e
  • 2. Who am I? • Lead Developer at Six Feet Up, Inc. • claytron on IRC s ixf eet up. c om/ i mme r se
  • 3. What’s in store? • What is buildout? • Who uses it? • Syntax • Pinning • Recipes • Command line usage s ixf eet up. c om/ i mme r se
  • 4. Why buildout? s ixf eet up. c om/ i mme r se
  • 5. Eliminate Confusion s ixf eet up. c om/ i mme r se
  • 6. Who is using it? • Plone • Zope • Grok • Pinax s ixf eet up. c om/ i mme r se
  • 7. s ixf eet up. c om/ i mme r se
  • 8. Lingo s ixf eet up. c om/ i mme r se
  • 9. Syntax [buildout] parts = zope2 instance # copied from dist.plone.org/release extends = plone-versions.cfg versions = versions [zope2] recipe = plone.recipe.zope2install url = ${versions:zope2-url} fake-zope-eggs = True additional-fake-eggs = ZODB3 ZConfig [instance] recipe = plone.recipe.zope2instance zope2-location = ${zope2:location} user = admin:admin eggs = Plone s ixf eet up. c om/ i mme r se
  • 10. Advanced Syntax Variable Substitution ${part:option} ${zope2:location} ${buildout:directory} option = ${buildout:directory}/somefolder Option Addition and Removal options = foo bar options += baz options -= foo s ixf eet up. c om/ i mme r se
  • 11. Reserved Characters :$ % { } s ixf eet up. c om/ i mme r se
  • 12. Pinning s ixf eet up. c om/ i mme r se
  • 13. [buildout] ... extensions = buildout.dumppickedversions dump-picked-versions-file = dumped-versions.cfg overwrite-picked-versions-file = True # tell buildout to use our versions part versions = versions [versions] SQLAlchemy = 0.5.5 s ixf eet up. c om/ i mme r se
  • 14. Recipes s ixf eet up. c om/ i mme r se
  • 15. [plonesite] recipe = collective.recipe.plonesite instance = instance zeoserver = zeoserver site-id = Plone admin-user = admin products = profiles-initial = my.package:initial profiles = my.package:default s ixf eet up. c om/ i mme r se
  • 16. [omelette] recipe = collective.recipe.omelette eggs = ${instance:eggs} ignore-develop = True ignores = setuptools # uncomment the line below to have the whole # zope stack available in the omelette packages = ${zope2:location}/lib/python zope2 s ixf eet up. c om/ i mme r se
  • 17. # add the /opt path for local dev so that the egg # can find mysql_config [sql-env] PATH = %(PATH)s:/opt/local/lib/mysql5/bin/:/opt/local/lib/mysql/bin/ [MySQL-python] recipe = zc.recipe.egg:custom egg = MySQL-python environment = sql-env s ixf eet up. c om/ i mme r se
  • 18. Roll Your Own $ easy_install ZopeSkel $ paster create --list-templates Available templates: ... recipe: A recipe project for zc.buildout ... $ paster create -t recipe my.recipe.name s ixf eet up. c om/ i mme r se
  • 19. Command Line s ixf eet up. c om/ i mme r se
  • 20. Baby Steps $ cd path/to/mybuildout $ python2.4 bootstrap.py Creating directory 'mybuildout/bin'. Creating directory 'mybuildout/parts'. Creating directory 'mybuildout/develop-eggs'. Generated script 'mybuildout/bin/buildout'. $ bin/buildout s ixf eet up. c om/ i mme r se
  • 21. Options • -v and -q • increase and decrease verbosity • -n and -N • Newest and non-newest modes • -O and -o • online and offline mode • -t • socket timeout s ixf eet up. c om/ i mme r se
  • 22. Update your buildout $ bin/buildout -v $ bin/buildout -Nvvv $ bin/buildout -No $ bin/buildout -t 10 s ixf eet up. c om/ i mme r se
  • 23. Assignments $ bin/buildout instance:debug-mode=on $ bin/buildout buildout:log-level=70 $ bin/buildout -N instance:debug-mode=on -v $ bin/buildout -Nv plonesite:enabled=false $ bin/buildout plonesite:site-replace=true s ixf eet up. c om/ i mme r se
  • 24. Commands $ bin/buildout install $ bin/buildout -Nv install zope2 instance $ bin/buildout -nv install instance s ixf eet up. c om/ i mme r se
  • 25. Default Settings ~/.buildout/default.cfg [buildout] eggs-directory = /Users/clayton/.buildout/eggs download-cache = /Users/clayton/.buildout/downloads zope-directory = /Users/clayton/.buildout/zope s ixf eet up. c om/ i mme r se
  • 26. Helpful Tools • http://pypi.python.org/pypi/collective.eggproxy • http://pypi.python.org/pypi/collective.dist • Fabric or Paver s ixf eet up. c om/ i mme r se
  • 27. What did we learn? • What is buildout? • Who is using it? • Syntax • Pinning • Recipes • Command line usage s ixf eet up. c om/ i mme r se
  • 28. Links • http://buildout.org • http://pypi.python.org/pypi/zc.buildout • http://www.sixfeetup.com/swag/buildout-quick-reference-card • http://pypi.python.org • Plone Specific: • https://svn.sixfeetup.com/svn/public/examples/PyOhio09 • http://plone.org/documentation/tutorial/buildout • https://svn.sixfeetup.com/svn/public/buildout/debug.cfg s ixf eet up. c om/ i mme r se
  • 29. Learn Plone by building a website from A to Z 1 non-profit project • 10 workshops • 14 mentors • 3 days s ixf eetup.com/im merse
  • 30. Photo Credits • http://flickr.com/photos/monsieurlam/2645956083/ • http://flickr.com/photos/_boris/2796908072/ • http://flickr.com/photos/b-tal/163450213/ • http://flickr.com/photos/bullish1974/2648544508/ • http://flickr.com/photos/haydnseek/87432002/ • http://flickr.com/photos/disowned/1158260369/ • http://flickr.com/photos/7603557@N08/2662531345/ • http://flickr.com/photos/julishannon/2151986631/ • http://flickr.com/photos/julishannon/2152778524/ • http://flickr.com/photos/lollyknit/1155225799/ • http://flickr.com/photos/binary_koala/86227485/ • http://flickr.com/photos/marcoveringa/2951042391 s ixf eet up. c om/ i mme r se

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