move jinja2 ext to inc.

1 files changed, 41 insertions, 0 deletions

diff --git a/inc/i18nfix.py b/inc/i18nfix.py
new file mode 100644
index 00000000..7f326ba6
--- /dev/null
+++ b/inc/i18nfix.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2017, 2018 GNUnet e.V.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.  This file is offered as-is,
+# without any warranty.
+
+"""
+Extract translations from a Jinja2 template, stripping leading newlines.
+
+@author Florian Dold
+"""
+
+import re
+import jinja2.ext
+
+
+def normalize(message):
+    message = message.strip()
+    # collapse whitespaces (including newlines) into one space.
+    message = re.sub("\s+", " ", message)
+    return message
+
+
+def babel_extract(fileobj, keywords, comment_tags, options):
+    res = jinja2.ext.babel_extract(fileobj, keywords, comment_tags, options)
+    for lineno, funcname, message, comments in res:
+        message = normalize(message)
+        yield lineno, funcname, message, comments
+
+
+def wrap_gettext(f):
+    """
+    Call gettext with whitespace normalized.
+    """
+    def wrapper(message):
+        message = normalize(message)
+        return f(message)
+    return wrapper