Crowdin Scripts

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Managing Translations for FreeCAD

FreeCAD uses a 3rd party translation service called Crowdin to manage translations.

There are 3 scripts in FreeCAD/src/Tools that are used to manage translation files:

updatets.py (github source)
updatecrowdin.py (github source)
updatefromcrowdin.py (github source)

Notes

These scripts are run from the root of the FreeCAD/ directory.
In order for these scripts to work one needs to have the valid FreeCAD Crowdin API key placed in their ~/.crowdin-freecad file. (For security reasons, only available to people with admin rights on the crowdin FreeCAD project)
Currently these tools are Python2 compatible.

updatets.py

The updatets.py script will create the .ts files in your local FreeCAD/ directory. It generates .ts files (Qt Translation Source File).

It is invoked with: python2 updatets.py

updatecrowdin.py

The updatecrowdin.py script pushes changes to Crowdin (3rd party translation crowdsource translation service) from your local FreeCAD/ directory. The script currently supports 4 arguments:

updatecrowdin.py status prints a status of the translations
updatecrowdin.py update updates crowdin the current version of .ts files found in the source code
updatecrowdin.py build builds a new downloadable package on crowdin with all translated strings
updatecrowdin.py download downloads the latest build

updatefromcrowdin.py

The updatefromcrowdin.py script pulls changes from crowdin to your local FreeCAD/ directory.

To send latest strings to crowdin

Only tested on linux
You need a .credentials file in your /home/YourUser directory. That file is a simple text file containing only one line, which is the API key that you get on https://crowdin.com/project/freecad/settings#api (only for admins)
Make sure your repository is clean (git pull, git stash if needed)
cd /path/to/freecad-source-code/src/Tools
python updatets.py (will fill all the .ts files found in the source with the lastest strings)
python updatecrowdin.py update (will send the ts files to crowdin. Crowdin will only update strings that are new)
cd ../.. (go back to the source code root folder)
git checkout . (undo all the changes to the .ts files, no reason to commit them right now as they are still untranslated)

To merge latest translations from crowdin

Only tested on linux
You need a .credentials file in your /home/YourUser directory. That file is a simple text file containing only one line, which is the API key that you get on https://crowdin.com/project/freecad/settings#api (only for admins)
Make sure your repository is clean (git pull, git stash if needed)
cd /path/to/freecad-source-code/src/Tools
python updatecrowdin.py build (will create a zip on crowdin side with all the files, can take a while.. This step can also be done on the crowdin website)
python updatecrowdin.py download (will download a freecad.zip file in this directory)
mv freecad.zip ~ move the zip file to your home dir, to avoid accidentally committing it later)
(optional) edit updatefromcrowdin.py script and check that the default_languages contain all the ones you want (basically all that are at more than 50%)
python updatefromcrowdin.py -z /home/YourUser/freecad.zip
cd ../.. (go back to the source code root folder)
if something went wrong or you are unsure, clean everything with git checkout .
if everything looks ok (git status), commit with git add . && git commit
Create a PR on FreeCAD

To generate a translation file from the website

Clone the homepage repository
cd /path/to/FreeCAD-homepage
xgettext --from-code=UTF-8 -o lang/homepage.pot *.php
Update the "homepage.po" on crowdin website manually, using the lang/homepage.pot file

To update the translations of the website

Get the freecad.zip file either by downloading it from the crowdin website or following instructions above (python updatecrowdin.py download)
cd /path/to/FreeCAD-homepage
Make sure your repository is clean (git pull, git stash if needed)
python updatefromcrowdin.py -z /path/to/freecad.zip
if something went wrong or you are unsure, clean everything with git checkout .
if everything looks ok (git status), commit with git add . && git commit
Create a PR on FreeCAD-Homepage
After the PR is merged, one of the admins will ftp push to the webhost