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Test for sentinel commit

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This commit is contained in:
Erik Johnston 2019-10-10 10:58:32 +01:00
parent 1d6dd1c294
commit 3e4272961a
1 changed files with 19 additions and 2 deletions
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21
synapse/util/patch_inline_callbacks.py
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@ -146,13 +146,30 @@ def _check_yield_points(f, changes, start_context):
# raise Exception(err)
return getattr(e, "value", None)
frame = gen.gi_frame
if isinstance(d, defer.Deferred):
# This happens if we yield on a deferred that doesn't follow
# the log context rules without wrappin in a `make_deferred_yieldable`
if LoggingContext.current_context() != LoggingContext.Sentinel:
err = (
"%s yielded with context %s rather than Sentinel,"
" yielded on line %d in %s"
% (
frame.f_code.co_name,
start_context,
LoggingContext.current_context(),
frame.f_lineno,
frame.f_code.co_filename,
)
)
changes.append(err)
try:
result = yield d
except Exception as e:
result = Failure(e)
frame = gen.gi_frame
if LoggingContext.current_context() != expected_context:
# This happens because the context is lost sometime *after* the
# previous yield and *after* the current yield. E.g. the