perf: 优化activity log

apps/common/utils/translate.py

@@ -1,4 +1,4 @@
-from django.utils.translation import gettext
+from django.utils.translation import gettext, gettext_noop
 
 
 def translate_value(value):
@@ -12,3 +12,32 @@ def translate_value(value):
 
     tpl, data = value.split(sp, 1)
     return gettext(tpl + sp) + data
+
+
+def i18n_fmt(tpl, *args):
+    if '%' not in tpl:
+        raise ValueError('Invalid template, should contains %')
+    if not args:
+        return tpl
+
+    args = [str(arg) for arg in args]
+
+    try:
+        tpl % tuple(args)
+    except TypeError:
+        raise ValueError('Invalid template, args not match: {} {}'.format(tpl, args))
+    return tpl + ' % ' + ', '.join(args)
+
+
+def i18n_trans(s):
+    if ' % ' not in s:
+        return gettext(s)
+    tpl, args = s.split(' % ', 1)
+    args = args.split(', ')
+    args = [gettext(arg) for arg in args]
+    return gettext(tpl) % tuple(args)
+
+
+def hello():
+    log = i18n_fmt(gettext_noop('Hello %s'), 'world')
+    print(i18n_trans(log))