Added unalias() function.

unalias() takes a string the user entered and returns an object represented by that string.

1 files changed, 13 insertions, 0 deletions

diff --git a/library/pippy/scholar/scholar.py b/library/pippy/scholar/scholar.py
index 0f50f65..58a97f5 100644
--- a/library/pippy/scholar/scholar.py
+++ b/library/pippy/scholar/scholar.py
@@ -108,3 +108,16 @@ def go(player, side):
         examine(player, player.position)
     else:
         print "No such exit."
+
+# An item can be referred to in several ways ("katana" and "sword" for
+# the same item), this function returns the object behind the alias.
+def unalias(player, player_input):
+    if player_input == "here" or player_input == "room":
+        return player.position
+    for exit in player.position.exits:
+        if exit.name == player_input:
+            return exit
+	for item in player.position.contains:
+		if player_input in item.aliases:
+			return item
+	return None