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Merge pull request #5991 from matrix-org/erikj/fix_tracing_funcs

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Don't assume there is a 'self' arg in @trace decorator
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Erik Johnston 2019-09-06 11:42:45 +01:00 committed by GitHub
commit 146af7b47f
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2 changed files with 6 additions and 5 deletions
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1
changelog.d/5991.bugfix Normal file
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@ -0,0 +1 @@
Fix invalid references to None while opentracing if the log context slips.

10
synapse/logging/opentracing.py
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@ -702,15 +702,15 @@ def trace(func=None, opname=None):
_opname = opname if opname else func.__name__ _opname = opname if opname else func.__name__
@wraps(func) @wraps(func)
def _trace_inner(self, *args, **kwargs): def _trace_inner(*args, **kwargs):
if opentracing is None: if opentracing is None:
return func(self, *args, **kwargs) return func(*args, **kwargs)
scope = start_active_span(_opname) scope = start_active_span(_opname)
scope.__enter__() scope.__enter__()
try: try:
result = func(self, *args, **kwargs) result = func(*args, **kwargs)
if isinstance(result, defer.Deferred): if isinstance(result, defer.Deferred):
def call_back(result): def call_back(result):
@ -750,13 +750,13 @@ def tag_args(func):
return func return func
@wraps(func) @wraps(func)
def _tag_args_inner(self, *args, **kwargs): def _tag_args_inner(*args, **kwargs):
argspec = inspect.getargspec(func) argspec = inspect.getargspec(func)
for i, arg in enumerate(argspec.args[1:]): for i, arg in enumerate(argspec.args[1:]):
set_tag("ARG_" + arg, args[i]) set_tag("ARG_" + arg, args[i])
set_tag("args", args[len(argspec.args) :]) set_tag("args", args[len(argspec.args) :])
set_tag("kwargs", kwargs) set_tag("kwargs", kwargs)
return func(self, *args, **kwargs) return func(*args, **kwargs)
return _tag_args_inner return _tag_args_inner