context: set stack level for deprecation warning
This patch makes the deprecation warning print the caller of
repo.__getitem__. That's not quite correct, since there could also be
other callers of changectx.__init__, but it seems like the most
helpful stack level in practice.
Differential Revision: https://phab.mercurial-scm.org/D3307
--- a/mercurial/context.py Fri Apr 13 14:18:26 2018 -0700
+++ b/mercurial/context.py Fri Apr 13 09:19:38 2018 -0700
@@ -399,7 +399,7 @@
# * If "x" can be a mix of the above, you'll have to figure it out
# yourself
repo.ui.deprecwarn("changectx.__init__ is getting more limited, see source "
- "for details", "4.6")
+ "for details", "4.6", stacklevel=4)
class changectx(basectx):
"""A changecontext object makes access to data related to a particular