db/utils: move formataddr to helper

It has no relation to database, so helper seems like a better place for
it.

As there is nothing left in db/utils, it is removed.

1 files changed, 13 insertions, 0 deletions

diff --git a/alot/helper.py b/alot/helper.py
index aab3242e..1d541d76 100644
--- a/alot/helper.py
+++ b/alot/helper.py
@@ -602,3 +602,16 @@ def get_xdg_env(env_name, fallback):
     """ Used for XDG_* env variables to return fallback if unset *or* empty """
     env = os.environ.get(env_name)
     return env if env else fallback
+
+def formataddr(pair):
+    """ this is the inverse of email.utils.parseaddr:
+    other than email.utils.formataddr, this
+    - *will not* re-encode unicode strings, and
+    - *will* re-introduce quotes around real names containing commas
+    """
+    name, address = pair
+    if not name:
+        return address
+    elif ',' in name:
+        name = "\"" + name + "\""
+    return "{0} <{1}>".format(name, address)