Add system to have multiple url shorteners and chose which to use

1 files changed, 12 insertions, 0 deletions

diff --git a/src/Exports.py b/src/Exports.py
index 55f96a4a..cad2cc6d 100644
--- a/src/Exports.py
+++ b/src/Exports.py
@@ -25,6 +25,10 @@ class Exports(object):
                 self._context_exports[context][setting] = []
             self._context_exports[context][setting].append(value)
 
+    def _get_keys(self):
+        return set(list(self._exports.keys())
+            +list(self._context_exports.keys()))
+
     def get_all(self, setting: str) -> typing.List[typing.Any]:
         return self._exports.get(setting, []) + sum([
             exports.get(setting, []) for exports in
@@ -34,6 +38,14 @@ class Exports(object):
         values = self.get_all(setting)
         return values[0] if values else default
 
+    def find_one(self, setting_prefix: str, default: typing.Any=None
+            ) -> typing.Optional[typing.Any]:
+        keys = self._get_keys()
+        for key in keys:
+            if key.startswith(setting_prefix):
+                return key
+        return default
+
     def purge_context(self, context: str):
         if context in self._context_exports:
             del self._context_exports[context]