A tool for finding missing and unused NSLocalizedStrings
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readme.md

nslocalizer

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This is a command line tool that is used for discovering missing and unused localization strings in Xcode projects.

Contributing and Code of Conduct License

This project and related material has a Code of Conduct that is listed in the contributing.md file. This must be read and adhered to when interacting with this project. Additionally this code is released under a 3-clause BSD license that you can read here.

Requirements Python

This tool is built and tested against Python 3.5.0.

Module Version
pbPlist >=1.0
pyobjc-core >= 2.5.1
pyobjc-framework-Cocoa >= 2.5.1
langcodes >= 1.2.0

Installation homebrew homebrew

Via homebrew:

$ brew update
$ brew tap samdmarshall/formulae
$ brew install samdmarshall/formulae/nslocalizer

To install the tool from the repo, clone from Github then run the make build command.

Usage

To use nslocalizer to generate warnings about missing or unused NSLocalizedStrings, you will have to pass it a project and target as input:

$ nslocalizer --project <path to xcodeproj file> --target <names of targets to analyze>

There are a number of flags that can be passed to modify the behavior of pyconfig:

Flags Usage
--version Displays the version of nslocalizer and exits
--find-missing Finds any strings that are missing translations for any of the supported languages
--find-unused Finds any strings that are unused in the code
--quiet Silences all logging output
--verbose Logs additional information
--ignore <languages> Will silence warnings for any of the languages listed to be ignored

Note: Both --find-missing and --find-unused flags can be supplied to the same invocation of nslocalizer.

Example

Find missing translation strings:

$ nslocalizer --project Foo.xcodeproj --target MyNewApp --find-missing
/Users/Samantha/Projects/Foo/Foo/Assets/Base.lproj/Localizable.strings:327: warning: String "foo_setup_twitter_integation" missing for: German, Traditional Chinese, European Portuguese, Spanish
/Users/Samantha/Projects/Foo/Foo/Assets/Base.lproj/Localizable.strings:356: warning: String "foo_setup_facebook_integation" missing for: German, Traditional Chinese, European Portuguese, Swedish, Polish, Latin American Spanish, British English, Brazilian Portuguese

Find unused translation strings:

$ nslocalizer --project Foo.xcodeproj --target MyNewApp --find-unused
/Users/Samantha/Projects/Foo/Foo/Assets/Base.lproj/Localizable.strings:327: warning: String "foo_setup_twitter_integation" is not used
/Users/Samantha/Projects/Foo/Foo/Assets/Base.lproj/Localizable.strings:356: warning: String "foo_setup_facebook_integation" is not used

Integration

nslocalizer is intended to be used as part of a build of the Xcode project file. To integrate you will have to add a new "run script" phase to your target and then invoke as such:

nslocalizer --project $PROJECT_DIR/YourProject.xcodeproj --target $TARGET_NAME --find-missing --find-unused