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Optimise LoggingContext creation and copying

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It turns out that the only thing we use the __dict__ of LoggingContext for is
`request`, and given we create lots of LoggingContexts and then copy them every
time we do a db transaction or log line, using the __dict__ seems a bit
redundant. Let's try to optimise things by making the request attribute
explicit.
This commit is contained in:
Richard van der Hoff 2018-01-11 22:40:51 +00:00
parent febdca4b37
commit 44a498418c
3 changed files with 33 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

14
tests/crypto/test_keyring.py
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@ -68,7 +68,7 @@ class KeyringTestCase(unittest.TestCase):
def check_context(self, _, expected):
self.assertEquals(
getattr(LoggingContext.current_context(), "test_key", None),
getattr(LoggingContext.current_context(), "request", None),
expected
)
@ -82,7 +82,7 @@ class KeyringTestCase(unittest.TestCase):
lookup_2_deferred = defer.Deferred()
with LoggingContext("one") as context_one:
context_one.test_key = "one"
context_one.request = "one"
wait_1_deferred = kr.wait_for_previous_lookups(
["server1"],
@ -96,7 +96,7 @@ class KeyringTestCase(unittest.TestCase):
wait_1_deferred.addBoth(self.check_context, "one")
with LoggingContext("two") as context_two:
context_two.test_key = "two"
context_two.request = "two"
# set off another wait. It should block because the first lookup
# hasn't yet completed.
@ -137,7 +137,7 @@ class KeyringTestCase(unittest.TestCase):
@defer.inlineCallbacks
def get_perspectives(**kwargs):
self.assertEquals(
LoggingContext.current_context().test_key, "11",
LoggingContext.current_context().request, "11",
)
with logcontext.PreserveLoggingContext():
yield persp_deferred
@ -145,7 +145,7 @@ class KeyringTestCase(unittest.TestCase):
self.http_client.post_json.side_effect = get_perspectives
with LoggingContext("11") as context_11:
context_11.test_key = "11"
context_11.request = "11"
# start off a first set of lookups
res_deferreds = kr.verify_json_objects_for_server(
@ -173,7 +173,7 @@ class KeyringTestCase(unittest.TestCase):
self.assertIs(LoggingContext.current_context(), context_11)
context_12 = LoggingContext("12")
context_12.test_key = "12"
context_12.request = "12"
with logcontext.PreserveLoggingContext(context_12):
# a second request for a server with outstanding requests
# should block rather than start a second call
@ -211,7 +211,7 @@ class KeyringTestCase(unittest.TestCase):
sentinel_context = LoggingContext.current_context()
with LoggingContext("one") as context_one:
context_one.test_key = "one"
context_one.request = "one"
defer = kr.verify_json_for_server("server9", {})
try: