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site_scons/site_tools/gettexttool/__init__.py

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