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Easy contributable internationalization process with Sphinx @ pyconmy2015

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Sphinx can extract paragraphs from sphinx document and store them into gettext format translation catalog files.
Gettext format translation catalog is easy to translate from one language to other languages.
Also Sphinx support internationalization by using such catalog files.
You can use your favorite editors or services to translate your sphinx docs.
In this session, I'll explain 3 things; (1) entire process to translate sphinx docs. (2) automation mechanism for the process. (3) tips, tricks and traps for writing docs and translating.

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Easy contributable internationalization process with Sphinx @ pyconmy2015

  1. 1. Takayuki Shimizukawa Sphinx co-maintainer Sphinx-users.jp 1
  2. 2. こんにちは Kon-Nichi-Wa 2
  3. 3. Who am I @shimizukawa 1. Sphinx co-maintainer 2. Sphinx-users.jp 3. PyCon JP committee  BePROUD co, ltd. 3
  4. 4. http://pycon.jp/ 4
  5. 5. Agenda 1. Sphinx introduction & Setup for i18n 2. A easy way and Non easy ways to translate 3. Sphinx i18n feature 4. Automated translation process with several services 5. Tips, tricks, traps 5
  6. 6. 6
  7. 7. Question1 How many people do you use Open Source Software? 7
  8. 8. Question2 How many people may have contributed to the OSS? 8
  9. 9. Question3 Does the translation into familiar language contribute to other developers? 9
  10. 10. 10 Translator Product Author Translated Docs Readers English Docs Translators
  11. 11. Tools & Services Tools 1. sphinx - documentation generator 2. docutils - base of sphinx 3. sphinx-intl - support utility for sphinx i18n 4. transifex-client - file transfer tool for Transifex Services 1. Transifex - translation support service 2. Drone.io - continuous integration service 11
  12. 12. 12
  13. 13. What is Sphinx? Sphinx is a documentation generator Sphinx generates doc as several output formats from the reST text markup 13 1. Sphinx introduction & Setup for i18n Sphinx reSTreSTreStructuredText (reST) reST Parser HTML Builder ePub Builder LaTeX Builder texlive HTML theme Favorite Editor
  14. 14. The history of Sphinx (short ver.) 14 1. Sphinx introduction & Setup for i18n The father of Sphinx Too hard to maintenance ~2007 Easy to write Easy to maintenance 2007~
  15. 15. Sphinx Before and After Before  There was no standard ways to write documents  Sometime, we need converting markups into other formats After  Generate multiple output format from single source  Integrated html themes make read docs easier  API references can be integrated into narrative docs  Automated doc building and hosting by ReadTheDocs 15 1. Sphinx introduction & Setup for i18n
  16. 16. Many docs are written by Sphinx For examples  Python libraries/tools: Python, Sphinx, Flask, Jinja2, Django, Pyramid, SQLAlchemy, Numpy, SciPy, scikit-learn, pandas, fabric, ansible, awscli, …  Non python libraries/tools: Chef, CakePHP(2.x), MathJax, Selenium, Varnish 16 1. Sphinx introduction & Setup for i18n
  17. 17. Many docs are written by Sphinx For examples  Python libraries/tools: Python, Sphinx, Flask, Jinja2, Django, Pyramid, SQLAlchemy, Numpy, SciPy, scikit-learn, pandas, fabric, ansible, awscli, …  Non python libraries/tools: Chef, CakePHP(2.x), MathJax, Selenium, Varnish 17 1. Sphinx introduction & Setup for i18n
  18. 18. SPHINX docutils HTML Builder HTML theme (Jinja2) gettext Builder *.pot *.po I18N *.mo OmegaT Pootle Transifex Translation Tools, Services Favorite Editor Sphinx i18n feature (built-in) 18 1. Sphinx introduction & Setup for i18n reST Parser (directive / role) doctree (Intermediate) reSTreST reStructuredText (reST)
  19. 19. $ pip install sphinx Support tools for translation How to install Sphinx with i18n tools To build a sphinx document $ pip install sphinx-intl $ pip install transifex-client=0.8 19 1. Sphinx introduction & Setup for i18n
  20. 20. $ git clone https://github.com/shimizukawa/deepthought.git $ cd deepthought/doc $ make html ... Build finished. The HTML pages are in _build/html. "make html" command generates html files into _build/html. make html once 20 1. Sphinx introduction & Setup for i18n
  21. 21. Files & setup conf.py $ tree /path/to/deepthought +- deep_thought | +- __init__.py | +- api.py | +- calc.py | +- utils.py +- doc | +- _build/ | | +- html/ | +- _static/ | +- _template/ | +- conf.py | +- index.py | +- make.bat | +- Makefile +- setup.py 21 1. Sphinx introduction & Setup for i18n Document source Document build output Target library for doc1. ... 2. 3. language = 'ma' 4. locale_dirs = ['locale'] 5. doc/conf.py
  22. 22. 22
  23. 23. What is internationalization? 23 2. Easy contributable internationalization process with Sphinx I18N
  24. 24. What is easy contributable? 24 2. Easy contributable internationalization process with Sphinx
  25. 25. Not a easy way (example 1/3) The manual are provided only in the HTML files Rewriting reST files 25 2. Easy contributable internationalization process with Sphinx
  26. 26. Not a easy way (example 2/3) The manual are generated from reST files and docstrings in the source files  Rewriting reST files  Rewriting docstrins in the source files. 26 2. Easy contributable internationalization process with Sphinx
  27. 27. Not a easy way (example 3/3) OK, we are engineers. We can use git!  Learn git  Learn GitHub  git clone to get the code  Translation (Yes! This is what I want to do!)  git commit  git pull  Sometimes resolve conflict  git push 27 2. Easy contributable internationalization process with Sphinx
  28. 28. Not easy vs easy Not a easy way Easy way 1. Learn git 2. Learn GitHub 3. git clone to get the code 4. Translation 5. git commit, pull, push 6. Resolve conflict 7. Build html your self 1. No git 2. No Github 3. No file 4. Translation 5. Update Automatically 6. No conflict 7. You can get a HTML output w/o hand-build. 28 2. Easy contributable internationalization process with Sphinx
  29. 29. 29
  30. 30. Two i18n features of Sphinx  Output pot files: from reST  Input po files: to generate translated HTML 30 3. Sphinx i18n feature reST pot reST html po
  31. 31. Translation flow  Generate pot  Translate pot into po  Generate Translated HTML 31 3. Sphinx i18n feature reST pot reST html po pot po Translator Please translate Translate! Thanks for your Contribution!
  32. 32. #: ../../../deep_thought/utils.py:docstring of deep_thought.utils.dumps:1 msgid "Serialize ``obj`` to a JSON formatted :class:`str`." msgstr "" msgid "For example:" msgstr "" 32 Output pot files 3. Sphinx i18n feature $ make gettext ... Build finished. The message catalogs are in _build/gettext. $ ls _build/gettext api.pot examples.pot generated.pot index.pot generated.pot reST pot
  33. 33. Preparing po files to translate doc +- _build/ | +- gettext/ | +- api.pot | +- examples.pot | +- generated.pot | +- index.pot +- locale/ doc +- _build/ +- locale/ +- zh_cn/ | +- LC_MESSAGES/ | +- api.po | +- examples.po | +- generated.po | +- index.po +- ja/ Translatethem Translator pot po 33 3. Sphinx i18n feature
  34. 34. 34 Preparing po files to translate $ sphinx-intl update -p _build/gettext -l zh_cn Create: locale/zh_cn/LC_MESSAGES/api.po Create: locale/zh_cn/LC_MESSAGES/examples.po Create: locale/zh_cn/LC_MESSAGES/generated.po Create: locale/zh_cn/LC_MESSAGES/index.po At first, sphinx-intl copy pot files and rename them pot po sphinx-intl $ make gettext $ sphinx-intl update -p _build/gettext -l zh_cn Not Changed: locale/zh_cn/LC_MESSAGES/api.po Updated: locale/zh_cn/LC_MESSAGES/examples.po +3, -1 After change the document, sphinx-intl update differences 3. Sphinx i18n feature
  35. 35. Translate po files #: ../../../deep_thought/utils.py:docstring of deep_thought.utils.dumps:1 msgid "Serialize ``obj`` to a JSON formatted :class:`str`." msgstr "" generated.po pot po sphinx-intl Translator #: ../../../deep_thought/utils.py:docstring of deep_thought.utils.dumps:1 msgid "Serialize ``obj`` to a JSON formatted :class:`str`." msgstr "序列 ``obj`` 以JSON格式 :class:`str` 。" generated.po Translate by using Vim, Emacs, OmegaT, ... 35 3. Sphinx i18n feature
  36. 36. Input po files 36 3. Sphinx i18n feature reST html po Translated $ make html ... Build finished. The HTML pages are in _build/html.
  37. 37. Big picture 37 3. Sphinx i18n feature reST pot html po make gettext sphinx-intl Translator make html Doc Author Translation Catalog Translated catalog
  38. 38. 38
  39. 39. Entire process to translate sphinx docs 39 4. Automated translation process with several services reST pot html po make gettext sphinx-intl make html Doc Author Translation Catalog Translated catalog Translator Translator Translator Autor / Translator upload Translator clone Translator
  40. 40. To Be 40 4. Automated translation process with several services reST pot html po make gettext sphinx-intl make html Doc Author Translation Catalog Translated catalog upload Translators To Be Automated To Be Parallel clone
  41. 41. Translation tool types  Vim / Emacs (Editors)  Edit local files  Translation support plugins are available.  OmegaT (Translation Tools)  Edit local files.  Translation support features.  Transifex (Services)  Edit online  Translation support features. 41 4. Automated translation process with several services po Translators To Be Parallel
  42. 42. Be Parallel by using Transifex Transifex provides... As API: Upload pot Download po As Web console: Glossary Translation memory Recommendation Auto-translation 42 4. Automated translation process with several services po Translators Parallel pot Upload pot Auto Update sphinx-intl transifex-client po transifex-client Download
  43. 43. Translation on Transifex web console 43 4. Automated translation process with several services Original Text Translated Text (you should keep reST syntax) Suggestions from Translation Memory (TM) Original (pot) Translation (po) Copy orig to translation Machine translation Save Review (if needed) Translators Parallel 1 2 4 3 5 6
  44. 44. To Be Automated 44 4. Automated translation process with several services po Translators Parallel pot Upload pot Auto Update sphinx-intl transifex-client po transifex-client Download reST html make gettext make html Doc Author upload To Be Automated clone
  45. 45. To Be Automated 45 4. Automated translation process with several services pot Upload sphinx-intl transifex-client po transifex-client Download reST html make gettext make html upload clone 1 2 3 45 6 To Be Automated
  46. 46. The procedure for automation 1. clone repository 2. make gettext 3. Upload pot 4. Download po 5. make html 6. Upload html 46 4. Automated translation process with several services pot Upload sphinx-intl transifex-client po transifex-client Download reST html make gettext make html upload clone 1 2 3 45 6 To Be Automated
  47. 47. 1. pip install sphinx sphinx-intl transifex-client==0.8 2. git clone https://github.com/shimizukawa/deepthought.git 3. cd deepthought/doc 4. sphinx-intl create-transifexrc # create ~/.transifexrc 5. sphinx-intl create-txconfig # create .tx/config 6. make gettext 7. sphinx-intl -p _build/gettext update-txconfig-resources # update .tx/config 8. tx push -s # push pot files to transifex 9. tx pull -l zh_cn # pull po files from transifex 10. make html SPHINXOPTS="-D language=ma" Shell commands for automation run.sh $ export SPHINXINTL_TRANSIFEX_USERNAME=mice $ export SPHINXINTL_TRANSIFEX_PASSWORD=42 $ export SPHINXINTL_TRANSIFEX_PROJECT_NAME=deepthought-0_7 $ export SPHINXINTL_POT_DIR=_build/gettext $ run.sh 47 4. Automated translation process with several services
  48. 48. The drone.io 48 WebHook Deploy Clone repository Run shell script The drone.io is a continuous integration service. 4. Automated translation process with several services
  49. 49. GitHub + drone.io + S3 49 GitHub Amazon S3 Transifex 1. Clone repository 2. make gettext. 3. Upload pot 4. Download po 5. make html 6. Upload html 4. Automated translation process with several services 2 1 3
  50. 50. Be Automated 50 pot Upload sphinx-intl transifex-client po transifex-client Download reST html make gettext make html upload clone 1 2 3 45 6 To Be Automated Upload pot Download po upload WebHook clone 1 5 6 make html make gettext2 3 4 1 WebHook Automated 4. Automated translation process with several services
  51. 51. Automated by drone.io 51 Upload potDownload po upload WebHook clone 1 5 6 make html make gettext2 3 4 1 WebHook Automated 4. Automated translation process with several services
  52. 52. View from doc author  Doc Author doesn't require annoying procedure. Update Translation Source Doc Author Notify See Commit 52 4. Automated translation process with several services
  53. 53. View from doc translators  No git  No file  No conflict  Update Automatically  They can get a translated HTML output w/o hand-build. Translators Parallel See Translate Translated Pages 53 4. Automated translation process with several services
  54. 54. The entire automated process 54 Update Translation Source Doc Author Translators Parallel Notify See See Publish Translate Commit Download Translations Notify Automated 4. Automated translation process with several services
  55. 55. Summary Tools 1. sphinx - documentation generator 2. docutils - base of sphinx 3. sphinx-intl - support utility for sphinx i18n 4. transifex-client - file transfer tool for Transifex Services 1. Transifex - translation support service 2. Drone.io - continuous integration service 55 4. Automated translation process with several services
  56. 56. 56
  57. 57. TIP: Drone.io limits 15mins for a build  Drone.io limits 15mins for a build.  Install from wheel package may help you 57 5. Tips, tricks, traps 1. curl -L -s https://example.com/wheelhouse.tgz | tar vzxf - 2. export PIP_FIND_LINKS=./wheelhouse 3. pip install sphinx sphinx-intl transifex-client==0.8 run.sh ex. https://bitbucket.org/sphinxjp/docutils-translation/
  58. 58. TRAP: Version of transifex-client  transifex-client 0.11b3 is not stable (for me)  Especially for Windows users  If you have encountered trouble with using newer version, please try: 58 5. Tips, tricks, traps $ pip install "transifex-client=0.8"
  59. 59.  Drone.io only list-up repositories which you have admin permission.  Prepare a empty repository to create a drone.io project. 59 TRICK: Preparing Drone.io project 5. Tips, tricks, traps
  60. 60. Examples  Sphinx-1.3 doc for "ja" translation https://drone.io/bitbucket.org/shimizukawa/sphinx-doc13/admin  Sphinx-1.4 doc for "ja" translation https://drone.io/bitbucket.org/shimizukawa/sphinx-doc14/admin  Docutils doc for "ja" translation https://drone.io/bitbucket.org/sphinxjp/docutils-translation/admin 60 5. Tips, tricks, traps
  61. 61. Questions? @shimizukawa Grab me after the session :) 61
  62. 62. Thanks :) 62

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