Updates to the with-statement:

- New semantics for __exit__() -- it must re-raise the exception
  if type is not None; the with-statement itself doesn't do this.
  (See the updated PEP for motivation.)

- Added context managers to:
  - file
  - thread.LockType
  - threading.{Lock,RLock,Condition,Semaphore,BoundedSemaphore}
  - decimal.Context

- Added contextlib.py, which defines @contextmanager, nested(), closing().

- Unit tests all around; bot no docs yet.

1 files changed, 0 insertions, 40 deletions

diff --git a/Lib/test/nested.py b/Lib/test/nested.py
deleted file mode 100644
index b5030e0..0000000
--- a/Lib/test/nested.py
+++ /dev/null
@@ -1,40 +0,0 @@
-import sys
-from collections import deque
-
-
-class nested(object):
-    def __init__(self, *contexts):
-        self.contexts = contexts
-        self.entered = None
-
-    def __context__(self):
-        return self
-
-    def __enter__(self):
-        if self.entered is not None:
-            raise RuntimeError("Context is not reentrant")
-        self.entered = deque()
-        vars = []
-        try:
-            for context in self.contexts:
-                mgr = context.__context__()
-                vars.append(mgr.__enter__())
-                self.entered.appendleft(mgr)
-        except:
-            self.__exit__(*sys.exc_info())
-            raise
-        return vars
-
-    def __exit__(self, *exc_info):
-        # Behave like nested with statements
-        # first in, last out
-        # New exceptions override old ones
-        ex = exc_info
-        for mgr in self.entered:
-            try:
-                mgr.__exit__(*ex)
-            except:
-                ex = sys.exc_info()
-        self.entered = None
-        if ex is not exc_info:
-            raise ex[0], ex[1], ex[2]