diff options
| author | John Perkins <john.d.perkins@gmail.com> | 2016-08-05 13:45:49 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2016-09-20 12:11:11 -0400 |
| commit | e95aa257aa3145a5db478d33fb1803494a38b46d (patch) | |
| tree | 1e235379669c56444d21a3fa50b1e91d008686db /lib | |
| parent | 881369b949cff44e0017fdc28d9722ef3c26171a (diff) | |
| download | sqlalchemy-e95aa257aa3145a5db478d33fb1803494a38b46d.tar.gz | |
Add the "triggering mapper" to the configure_mappers error message.
There are cases where the originating mapper name is not
present in the exception message, such as relationship initialization
against an unmapped class. Ensure the originating mapper is named
in the string output.
Pull-request: https://github.com/zzzeek/sqlalchemy/pull/298
Change-Id: I9f23bfa90b26dde9229ab7ec812eec9ceae48153
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sqlalchemy/orm/mapper.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py index e8aa08541..b8dc5b8c3 100644 --- a/lib/sqlalchemy/orm/mapper.py +++ b/lib/sqlalchemy/orm/mapper.py @@ -2833,8 +2833,9 @@ def configure_mappers(): e = sa_exc.InvalidRequestError( "One or more mappers failed to initialize - " "can't proceed with initialization of other " - "mappers. Original exception was: %s" - % mapper._configure_failed) + "mappers. Triggering mapper: '%s'. " + "Original exception was: %s" + % (mapper, mapper._configure_failed)) e._configure_failed = mapper._configure_failed raise e if not mapper.configured: |