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Handle hooks parameters in more debuggable way

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1. not list() -> callable()
The args of hooking parameters of Sanic have to be callables.
For wrong parameters, errors will be generated from:
```
    listeners += args
```

By checking just list type, the raised error will be associated
with `[args]` instead of `args`, which is not given by users.
With this patch, the raised error will be associated with `args`.
Then users can notice their argument was neither callable nor list
in the easier way.

2. Function -> Functions in document
Regarding the parameter as a list is harmless to the user code.
But unawareness of its type can be list can limit the potent of
the user code.
This commit is contained in:
Jeong YunWon 2016-12-28 18:03:12 +09:00
parent f74d44152a
commit 15e7d8ab2e
1 changed files with 5 additions and 5 deletions
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10
sanic/sanic.py
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@ -246,13 +246,13 @@ class Sanic:
:param host: Address to host on
:param port: Port to host on
:param debug: Enables debug output (slows server)
:param before_start: Function to be executed before the server starts
:param before_start: Functions to be executed before the server starts
accepting connections
:param after_start: Function to be executed after the server starts
:param after_start: Functions to be executed after the server starts
accepting connections
:param before_stop: Function to be executed when a stop signal is
:param before_stop: Functions to be executed when a stop signal is
received before it is respected
:param after_stop: Function to be executed when all requests are
:param after_stop: Functions to be executed when all requests are
complete
:param sock: Socket for the server to accept connections from
:param workers: Number of processes
@ -290,7 +290,7 @@ class Sanic:
for blueprint in self.blueprints.values():
listeners += blueprint.listeners[event_name]
if args:
if type(args) is not list:
if callable(args):
args = [args]
listeners += args
if reverse: