Add __contains__ method

Fixes #471
2013-05-01 23:56:49 +04:00 · 2013-05-01 23:56:49 +04:00 · ba33c327f5
parent 98b7ed2950
commit ba33c327f5
1 changed files with 8 additions and 0 deletions
--- a/powerline/bindings/zsh/init.py
+++ b/powerline/bindings/zsh/init.py
@ -76,6 +76,14 @@ class Environment(object):
 		except IndexError:
 			return default

+	@staticmethod
+	def __contains__(key):
+		try:
+			zsh.getvalue(key)
+			return True
+		except IndexError:
+			return False
+

 environ = Environment()