MultiLang

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""" This tool allows generation of gettext .mo compiled files, pot files from source code files
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and pot files for merging.
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Three new builders are added into the constructed environment:
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- gettextMoFile: generates .mo file from .pot file using msgfmt.
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- gettextPotFile: Generates .pot file from source code files.
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- gettextMergePotFile: Creates a .pot file appropriate for merging into existing .po files.
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To properly configure get text, define the following variables:
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- gettext_package_bugs_address
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- gettext_package_name
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- gettext_package_version
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"""
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from SCons.Action import Action
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def exists(env):
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	return True
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XGETTEXT_COMMON_ARGS = (
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	"--msgid-bugs-address='$gettext_package_bugs_address' "
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	"--package-name='$gettext_package_name' "
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	"--package-version='$gettext_package_version' "
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	"--keyword=pgettext:1c,2 "
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	"-c -o $TARGET $SOURCES"
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)
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def generate(env):
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	env.SetDefault(gettext_package_bugs_address="example@example.com")
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	env.SetDefault(gettext_package_name="")
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	env.SetDefault(gettext_package_version="")
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	env['BUILDERS']['gettextMoFile'] = env.Builder(
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		action=Action("msgfmt -o $TARGET $SOURCE", "Compiling translation $SOURCE"),
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		suffix=".mo",
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		src_suffix=".po"
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	)
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	env['BUILDERS']['gettextPotFile'] = env.Builder(
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		action=Action("xgettext " + XGETTEXT_COMMON_ARGS, "Generating pot file $TARGET"),
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		suffix=".pot")
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	env['BUILDERS']['gettextMergePotFile'] = env.Builder(
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		action=Action(
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			"xgettext " + "--omit-header --no-location " + XGETTEXT_COMMON_ARGS,
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			"Generating pot file $TARGET"
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		),
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		suffix=".pot"
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	)
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