py3: ensure the proxied Windows fd doesn't escape by entering context manager
The purpose of the proxy class is to provide the `name` attribute which contains
the file path. But in tests that used a context manager, it still blew up
complaining that 'int' doesn't have a 'startswith' function.
--- a/mercurial/windows.py Wed Dec 12 06:41:19 2018 +0100
+++ b/mercurial/windows.py Sat Dec 15 01:26:18 2018 -0500
@@ -132,7 +132,10 @@
self._fp = fp
def __enter__(self):
- return self._fp.__enter__()
+ self._fp.__enter__()
+ # Return this wrapper for the context manager so that the name is
+ # still available.
+ return self
def __exit__(self, exc_type, exc_value, traceback):
self._fp.__exit__(exc_type, exc_value, traceback)