i18n Python scripts: add script fg-merge-xliff-into-xliff
This script is designed for the following use case: Suppose a translator has been working on a particular translation file, and meanwhile the official XLIFF file for this translation has been updated in FGData (new translatable strings added, obsolete strings marked or removed, etc.). In such a case, 'fg-merge-xliff-into-xliff' can be used to merge the translator's work into the official XLIFF translation file. Essentially, this means that for all strings that have the same source text, plural status, number of plural forms and of course target language, the target texts, "approved" status and translator comments will be taken from the first file passed in the following command: fg-merge-xliff-into-xliff TRANSLATOR_FILE PROJECT_FILE Used like this, PROJECT_FILE will be updated with data from TRANSLATOR_FILE. If you don't want to modify PROJECT_FILE, use the -o (--output) option. If '-' is passed as argument to this option, then the result is written to the standard output.
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@@ -1,3 +1,5 @@
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-*- coding: utf-8 -*-
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Quick start for the localization (l10n) scripts
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===============================================
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@@ -11,7 +13,11 @@ $FG_ROOT/Translations:
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Note: the legacy FlightGear XML localization files are only needed by
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'fg-convert-translation-files' when migrating to the XLIFF format. The
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other scripts only need the default translation and obviously, for
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'fg-update-translation-files', the current XLIFF files.
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'fg-update-translation-files', the current XLIFF files[1].
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Creating XLIFF files from existing FlightGear legacy XML translation files
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--------------------------------------------------------------------------
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To get the initial XLIFF files (generated from the default translation in
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$FG_ROOT/Translations/default as well as the legacy FlightGear XML
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@@ -28,12 +34,18 @@ localization files in $FG_ROOT/Translations/<language_code>):
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fg-update-translation-files --transl-dir="$FG_ROOT/Translations" \
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merge-new-master $languages
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When master strings[1] have changed (in a large sense, i.e.: strings added,
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modified or removed, or categories added or removed[2]):
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Updating XLIFF files to reflect changes in the default translation
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------------------------------------------------------------------
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When master strings[2] have changed (in a large sense, i.e.: strings added,
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modified or removed, or categories added or removed[3]):
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fg-update-translation-files --transl-dir="$FG_ROOT/Translations" \
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merge-new-master $languages
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Updating XLIFF files to mark or remove obsolete translated strings
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------------------------------------------------------------------
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To remove unused translated strings (not to be done too often in my opinion):
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fg-update-translation-files --transl-dir="$FG_ROOT/Translations" \
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@@ -43,6 +55,29 @@ To remove unused translated strings (not to be done too often in my opinion):
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as not-to-be-translated, however 'merge-new-master' presented above already
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does that)
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Merging contents from an XLIFF file into another one
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----------------------------------------------------
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Suppose a translator has been working on a particular translation file, and
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meanwhile the official XLIFF file for this translation has been updated in
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FGData (new translatable strings added, obsolete strings marked or removed,
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etc.). In such a case, 'fg-merge-xliff-into-xliff' can be used to merge the
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translator's work into the project file. Essentially, this means that for all
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strings that have the same source text, plural status, number of plural forms
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and of course target language, the target texts, “approved” status and
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translator comments will be taken from the first file passed in the following
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command:
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fg-merge-xliff-into-xliff TRANSLATOR_FILE PROJECT_FILE
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Used like this, PROJECT_FILE will be updated with data from TRANSLATOR_FILE.
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If you don't want to modify PROJECT_FILE, use the -o (--output) option. If '-'
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is passed as argument to this option, then the result is written to the
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standard output.
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Creating skeleton XLIFF files for new translations
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--------------------------------------------------
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To create skeleton translations for new languages (e.g., for fr_BE, en_AU and
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ca):
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@@ -62,17 +97,23 @@ ca):
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fg-new-translations chooses an appropriate place based on the value
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specified for --transl-dir)
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fg-convert-translation-files, fg-update-translation-files and
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fg-new-translations all support the --help option for more detailed
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information.
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Getting more information on the scripts
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---------------------------------------
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fg-convert-translation-files, fg-update-translation-files,
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fg-merge-xliff-into-xliff and fg-new-translations all support the --help
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option for more detailed information.
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Footnotes
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---------
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[1] Strings in the default translation.
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[1] Except for the fg-merge-xliff-into-xliff script, which doesn't have any
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of these requirements.
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[2] Only empty categories are removed by this command. An obsolete category
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[2] Strings in the default translation.
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[3] Only empty categories are removed by this command. An obsolete category
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can be made empty by manual editing (easy, just locate the right
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<group>) or this way:
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