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sync_struct/Subscriber: support lists of notify callbacks

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This commit is contained in:
Sebastien Bourdeauducq 2015-11-11 17:09:07 +08:00
parent 62c0eb85b1
commit 11fbea4161
1 changed files with 8 additions and 3 deletions
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11
artiq/protocols/sync_struct.py
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@ -51,11 +51,16 @@ class Subscriber:
:param notify_cb: An optional function called every time a mod is received :param notify_cb: An optional function called every time a mod is received
from the publisher. The mod is passed as parameter. The function is from the publisher. The mod is passed as parameter. The function is
called after the mod has been processed. called after the mod has been processed.
A list of functions may also be used, and they will be called in turn.
""" """
def __init__(self, notifier_name, target_builder, notify_cb=None): def __init__(self, notifier_name, target_builder, notify_cb=None):
self.notifier_name = notifier_name self.notifier_name = notifier_name
self.target_builder = target_builder self.target_builder = target_builder
self.notify_cb = notify_cb if notify_cb is None:
notify_cb = []
if not isinstance(notify_cb, list):
notify_cb = [notify_cb]
self.notify_cbs = notify_cb
async def connect(self, host, port, before_receive_cb=None): async def connect(self, host, port, before_receive_cb=None):
self.reader, self.writer = \ self.reader, self.writer = \
@ -97,8 +102,8 @@ class Subscriber:
else: else:
process_mod(target, mod) process_mod(target, mod)
if self.notify_cb is not None: for notify_cb in self.notify_cbs:
self.notify_cb(mod) notify_cb(mod)
class Notifier: class Notifier: