1 files changed, 43 insertions, 0 deletions
diff --git a/python/l10n/fluent_migrations/bug_1802128_langpack_defines.py b/python/l10n/fluent_migrations/bug_1802128_langpack_defines.py
new file mode 100644
index 0000000000..d1755307bd
--- /dev/null
+++ b/python/l10n/fluent_migrations/bug_1802128_langpack_defines.py
@@ -0,0 +1,43 @@
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+import fluent.syntax.ast as FTL
+from fluent.migrate.transforms import COPY, LegacySource, Transform
+
+
+class CONTRIB(LegacySource):
+    """Custom transform converting a list of contributors from the old RDF based
+    list of entries into a comma delimited list.
+
+    Based on code from python/mozbuild/mozbuild/action/langpack_manifest.py
+    """
+
+    def __call__(self, ctx):
+        element: FTL.TextElement = super(CONTRIB, self).__call__(ctx)
+        str: str = element.value.replace("<em:contributor>", "")
+        tokens = str.split("</em:contributor>")
+        tokens = map(lambda t: t.strip(), tokens)
+        tokens = filter(lambda t: t != "", tokens)
+        element.value = ", ".join(tokens)
+        return Transform.pattern_of(element)
+
+
+def migrate(ctx):
+    """Bug 1802128 - Convert langpack defines.inc to Fluent, part {index}."""
+
+    browser = "browser/defines.inc"
+    target = "browser/langpack-metadata.ftl"
+    ctx.add_transforms(
+        target,
+        target,
+        [
+            FTL.Message(
+                id=FTL.Identifier("langpack-creator"),
+                value=COPY(browser, "MOZ_LANGPACK_CREATOR"),
+            ),
+            FTL.Message(
+                id=FTL.Identifier("langpack-contributors"),
+                value=CONTRIB(browser, "MOZ_LANGPACK_CONTRIBUTORS"),
+            ),
+        ],
+    )