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sync_struct: flake8 [nfc] (#1317)

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hartytp 2019-05-10 12:42:06 +01:00 committed by GitHub
parent 1a3d71760d
commit 30fe624fe5
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1 changed files with 17 additions and 15 deletions
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32
artiq/protocols/sync_struct.py
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@ -33,8 +33,8 @@ class ModAction(Enum):
required.
The path (member field) the change applies to is given in
``m["path"]`` as a list; elements give successive levels of indexing. (There
is no ``path`` on initial initialization.)
``m["path"]`` as a list; elements give successive levels of indexing.
(There is no ``path`` on initial initialization.)
Details on the modification are stored in additional data fields specific
to each type.
@ -97,10 +97,11 @@ class Subscriber:
from the publisher. The mod is passed as parameter. The function is
called after the mod has been processed.
A list of functions may also be used, and they will be called in turn.
:param disconnect_cb: An optional function called when disconnection happens
from external causes (i.e. not when ``close`` is called).
:param disconnect_cb: An optional function called when disconnection
happens from external causes (i.e. not when ``close`` is called).
"""
def __init__(self, notifier_name, target_builder, notify_cb=None, disconnect_cb=None):
def __init__(self, notifier_name, target_builder, notify_cb=None,
disconnect_cb=None):
self.notifier_name = notifier_name
self.target_builder = target_builder
if notify_cb is None:
@ -162,12 +163,12 @@ class Subscriber:
class Notifier:
"""Encapsulates a structure whose changes need to be published.
All mutations to the structure must be made through the :class:`.Notifier`. The
original structure must only be accessed for reads.
All mutations to the structure must be made through the :class:`.Notifier`.
The original structure must only be accessed for reads.
In addition to the list methods below, the :class:`.Notifier` supports the index
syntax for modification and deletion of elements. Modification of nested
structures can be also done using the index syntax, for example:
In addition to the list methods below, the :class:`.Notifier` supports the
index syntax for modification and deletion of elements. Modification of
nested structures can be also done using the index syntax, for example:
>>> n = Notifier([])
>>> n.append([])
@ -176,8 +177,8 @@ class Notifier:
[[42]]
This class does not perform any network I/O and is meant to be used with
e.g. the :class:`.Publisher` for this purpose. Only one publisher at most can be
associated with a :class:`.Notifier`.
e.g. the :class:`.Publisher` for this purpose. Only one publisher at most
can be associated with a :class:`.Notifier`.
:param backing_struct: Structure to encapsulate.
"""
@ -269,8 +270,8 @@ class Publisher(AsyncioServer):
a :class:`.Notifier`.
:param notifiers: A dictionary containing the notifiers to associate with
the :class:`.Publisher`. The keys of the dictionary are the names of the
notifiers to be used with :class:`.Subscriber`.
the :class:`.Publisher`. The keys of the dictionary are the names of
the notifiers to be used with :class:`.Subscriber`.
"""
def __init__(self, notifiers):
AsyncioServer.__init__(self)
@ -311,7 +312,8 @@ class Publisher(AsyncioServer):
await writer.drain()
finally:
self._recipients[notifier_name].remove(queue)
except (ConnectionResetError, ConnectionAbortedError, BrokenPipeError, TimeoutError):
except (ConnectionResetError, ConnectionAbortedError, BrokenPipeError,
TimeoutError):
# subscribers disconnecting are a normal occurrence
pass
finally: