diff options
Diffstat (limited to 'synapse/logging/context.py')
| -rw-r--r-- | synapse/logging/context.py | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/synapse/logging/context.py b/synapse/logging/context.py index f62bea968f..64c6ae4512 100644 --- a/synapse/logging/context.py +++ b/synapse/logging/context.py @@ -809,23 +809,24 @@ def run_in_background( # type: ignore[misc] # `res` may be a coroutine, `Deferred`, some other kind of awaitable, or a plain # value. Convert it to a `Deferred`. + d: "defer.Deferred[R]" if isinstance(res, typing.Coroutine): # Wrap the coroutine in a `Deferred`. - res = defer.ensureDeferred(res) + d = defer.ensureDeferred(res) elif isinstance(res, defer.Deferred): - pass + d = res elif isinstance(res, Awaitable): # `res` is probably some kind of completed awaitable, such as a `DoneAwaitable` # or `Future` from `make_awaitable`. - res = defer.ensureDeferred(_unwrap_awaitable(res)) + d = defer.ensureDeferred(_unwrap_awaitable(res)) else: # `res` is a plain value. Wrap it in a `Deferred`. - res = defer.succeed(res) + d = defer.succeed(res) - if res.called and not res.paused: + if d.called and not d.paused: # The function should have maintained the logcontext, so we can # optimise out the messing about - return res + return d # The function may have reset the context before returning, so # we need to restore it now. @@ -843,8 +844,8 @@ def run_in_background( # type: ignore[misc] # which is supposed to have a single entry and exit point. But # by spawning off another deferred, we are effectively # adding a new exit point.) - res.addBoth(_set_context_cb, ctx) - return res + d.addBoth(_set_context_cb, ctx) + return d T = TypeVar("T") @@ -877,7 +878,7 @@ def make_deferred_yieldable(deferred: "defer.Deferred[T]") -> "defer.Deferred[T] ResultT = TypeVar("ResultT") -def _set_context_cb(result: ResultT, context: LoggingContext) -> ResultT: +def _set_context_cb(result: ResultT, context: LoggingContextOrSentinel) -> ResultT: """A callback function which just sets the logging context""" set_current_context(context) return result |