syndicate-lang
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mini-syndicate-py
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This commit is contained in:
Tony Garnock-Jones 2019-06-07 15:06:18 +01:00
parent 9dbf4a8c5a
commit 7762529d16
2 changed files with 9 additions and 1 deletions
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9
syndicate/mini/core.py
View File

@ -25,13 +25,15 @@ def _ignore(*args, **kwargs):
pass
class Endpoint(object):
def __init__(self, conn, assertion, id=None, on_add=None, on_del=None, on_msg=None):
def __init__(self, conn, assertion, id=None,
on_add=None, on_del=None, on_msg=None, on_end=None):
self.conn = conn
self.assertion = assertion
self.id = id or uuid('sub' if Observe.isClassOf(assertion) else 'pub')
self.on_add = on_add or _ignore
self.on_del = on_del or _ignore
self.on_msg = on_msg or _ignore
self.on_end = on_end or _ignore
self.cache = set()
self.conn._update_endpoint(self)
@ -77,10 +79,14 @@ class Endpoint(object):
def _msg(self, captures):
self.on_msg(*captures)
def _end(self):
self.on_end()
class DummyEndpoint(object):
def _add(self, captures): pass
def _del(self, captures): pass
def _msg(self, captures): pass
def _end(self): pass
_dummy_endpoint = DummyEndpoint()
@ -149,6 +155,7 @@ class Connection(object):
if protocol.Add.isClassOf(v): return self._push_work(lambda: self._lookup(v[0])._add(v[1]))
if protocol.Del.isClassOf(v): return self._push_work(lambda: self._lookup(v[0])._del(v[1]))
if protocol.Msg.isClassOf(v): return self._push_work(lambda: self._lookup(v[0])._msg(v[1]))
if protocol.End.isClassOf(v): return self._push_work(lambda: self._lookup(v[0])._end())
if protocol.Commit.isClassOf(v): return self._commit_work()
if protocol.Err.isClassOf(v): return self._on_error(v[0])
if protocol.Ping.isClassOf(v): self._send(self._encode(protocol.Pong()))

1
syndicate/mini/protocol.py
View File

@ -17,6 +17,7 @@ Message = Record.makeConstructor('Message', 'body')
Add = Record.makeConstructor('Add', 'endpointName captures')
Del = Record.makeConstructor('Del', 'endpointName captures')
Msg = Record.makeConstructor('Msg', 'endpointName captures')
End = Record.makeConstructor('End', 'endpointName')
Err = Record.makeConstructor('Err', 'detail')
## Bidirectional