X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Futil%2Fmisc.py;h=9b8d88cf424d2eeeb62e369c0d277701ec74023f;hb=64aad9d6539eb92b595b9e86485103999021cf05;hp=c0a70a9a20ba66b152009b84f36ce9ddd166f90e;hpb=52a003279ee401971e6e2e863fe51db208e7b191;p=ejpi

diff --git a/src/util/misc.py b/src/util/misc.py
index c0a70a9..9b8d88c 100644
--- a/src/util/misc.py
+++ b/src/util/misc.py
@@ -649,6 +649,35 @@ def call_trace(f):
 
 
 @contextlib.contextmanager
+def nested_break():
+	"""
+	>>> with nested_break() as mylabel:
+	... 	for i in xrange(3):
+	... 		print "Outer", i
+	... 		for j in xrange(3):
+	... 			if i == 2: raise mylabel
+	... 			if j == 2: break
+	... 			print "Inner", j
+	... 		print "more processing"
+	Outer 0
+	Inner 0
+	Inner 1
+	Outer 1
+	Inner 0
+	Inner 1
+	Outer 2
+	"""
+
+	class NestedBreakException(Exception):
+		pass
+
+	try:
+		yield NestedBreakException
+	except NestedBreakException:
+		pass
+
+
+@contextlib.contextmanager
 def lexical_scope(*args):
 	"""
 	@note Source: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/520586