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Move .observe() up to the cache to make things neater

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This commit is contained in:
Kegan Dougal 2016-11-14 09:52:41 +00:00
parent 8ecaff51a1
commit af4a1bac50
3 changed files with 11 additions and 33 deletions
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9
synapse/rest/client/transactions.py
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@ -67,19 +67,18 @@ class HttpTransactionCache(object):
txn_key (str): A key to ensure idempotency should fetch_or_execute be
called again at a later point in time.
fn (function): A function which returns a tuple of
(response_code, response_dict)d
(response_code, response_dict).
*args: Arguments to pass to fn.
**kwargs: Keyword arguments to pass to fn.
Returns:
synapse.util.async.ObservableDeferred which resolves to a tuple
of (response_code, response_dict).
Deferred which resolves to a tuple of (response_code, response_dict).
"""
try:
return self.transactions[txn_key]
return self.transactions[txn_key].observe()
except KeyError:
pass # execute the function instead.
deferred = fn(*args, **kwargs)
observable = ObservableDeferred(deferred)
self.transactions[txn_key] = observable
return observable
return observable.observe()