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author | Mike Bayer <mike_mp@zzzcomputing.com> | 2020-10-08 15:20:48 -0400 |
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committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2020-10-10 01:17:25 -0400 |
commit | 2665a0c4cb3e94e6545d0b9bbcbcc39ccffebaba (patch) | |
tree | ed25383ce7e5899d7d643a11df0f8aee9f2ab959 /lib/sqlalchemy/orm/session.py | |
parent | bcc17b1d6e2cac3b0e45c0b17a62cf2d5fc5c5ab (diff) | |
download | sqlalchemy-2665a0c4cb3e94e6545d0b9bbcbcc39ccffebaba.tar.gz |
generalize scoped_session proxying and apply to asyncio elements
Reworked the proxy creation used by scoped_session() to be
based on fully copied code with augmented docstrings and
moved it into langhelpers. asyncio session, engine,
connection can now take
advantage of it so that all non-async methods are availble.
Overall implementation of most important accessors / methods
on AsyncConnection, etc. , including awaitable versions
of invalidate, execution_options, etc.
In order to support an event dispatcher on the async
classes while still allowing them to hold __slots__,
make some adjustments to the event system to allow
that to be present, at least rudimentally.
Fixes: #5628
Change-Id: I5eb6929fc1e4fdac99e4b767dcfd49672d56e2b2
Diffstat (limited to 'lib/sqlalchemy/orm/session.py')
-rw-r--r-- | lib/sqlalchemy/orm/session.py | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/lib/sqlalchemy/orm/session.py b/lib/sqlalchemy/orm/session.py index e32e05510..af0ac63e0 100644 --- a/lib/sqlalchemy/orm/session.py +++ b/lib/sqlalchemy/orm/session.py @@ -835,35 +835,6 @@ class Session(_SessionClassMethods): """ - public_methods = ( - "__contains__", - "__iter__", - "add", - "add_all", - "begin", - "begin_nested", - "close", - "commit", - "connection", - "delete", - "execute", - "expire", - "expire_all", - "expunge", - "expunge_all", - "flush", - "get_bind", - "is_modified", - "bulk_save_objects", - "bulk_insert_mappings", - "bulk_update_mappings", - "merge", - "query", - "refresh", - "rollback", - "scalar", - ) - @util.deprecated_params( autocommit=( "2.0", @@ -3028,7 +2999,14 @@ class Session(_SessionClassMethods): will unexpire attributes on access. """ - state = attributes.instance_state(obj) + try: + state = attributes.instance_state(obj) + except exc.NO_STATE as err: + util.raise_( + exc.UnmappedInstanceError(obj), + replace_context=err, + ) + to_attach = self._before_attach(state, obj) state._load_pending = True if to_attach: |