Added named arguments to child init, and now passing less of them.
Guillermo Rodriguez
parent
e5dbf14ec3
commit
ef053eb070
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@ -171,11 +171,6 @@ class Actor:
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_root_nursery: trio.Nursery
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_server_nursery: trio.Nursery
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# marked by the process spawning backend at startup
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# will be None for the parent most process started manually
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# by the user (currently called the "arbiter")
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_spawn_method: Optional[str] = None
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# Information about `__main__` from parent
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_parent_main_data: Dict[str, str]
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@ -187,6 +182,7 @@ class Actor:
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uid: str = None,
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loglevel: str = None,
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arbiter_addr: Optional[Tuple[str, int]] = None,
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spawn_method: Optional[str] = None
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) -> None:
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"""This constructor is called in the parent actor **before** the spawning
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phase (aka before a new process is executed).
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@ -212,6 +208,11 @@ class Actor:
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self.loglevel = loglevel
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self._arb_addr = arbiter_addr
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# marked by the process spawning backend at startup
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# will be None for the parent most process started manually
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# by the user (currently called the "arbiter")
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self._spawn_method = spawn_method
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self._peers: defaultdict = defaultdict(list)
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self._peer_connected: dict = {}
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self._no_more_peers = trio.Event()
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@ -552,8 +553,8 @@ class Actor:
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A "root-most" (or "top-level") nursery for this actor is opened here
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and when cancelled effectively cancels the actor.
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"""
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arbiter_addr = arbiter_addr or self._arb_addr
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registered_with_arbiter = False
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arbiter_addr = arbiter_addr or self._arb_addr
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try:
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async with trio.open_nursery() as nursery:
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self._root_nursery = nursery
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@ -578,9 +579,13 @@ class Actor:
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if self._spawn_method == "trio":
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# recieve additional init params
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self._parent_main_data = await chan.recv()
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self.rpc_module_paths = await chan.recv()
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self.statespace = await chan.recv()
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parent_data = await chan.recv()
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for attr, value in parent_data.items():
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setattr(self, attr, value)
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# update local arbiter_addr var
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if "_arb_addr" in parent_data:
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arbiter_addr = self._arb_addr
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except OSError: # failed to connect
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log.warning(
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@ -2,52 +2,49 @@ import sys
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import trio
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import argparse
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from ast import literal_eval
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from ._actor import Actor
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from ._entry import _trio_main
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"""This is the "bootloader" for actors started using the native trio backend
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added in #128
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"""This is the "bootloader" for actors started using the native trio backend.
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"""
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def parse_uid(arg):
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uid = literal_eval(arg)
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assert len(uid) == 2
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assert isinstance(uid[0], str)
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assert isinstance(uid[1], str)
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return uid
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def parse_ipaddr(arg):
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addr = literal_eval(arg)
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assert len(addr) == 2
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assert isinstance(addr[0], str)
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assert isinstance(addr[1], int)
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return addr
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("name")
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parser.add_argument("uid")
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parser.add_argument("loglevel")
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parser.add_argument("bind_addr")
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parser.add_argument("parent_addr")
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parser.add_argument("arbiter_addr")
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parser.add_argument("--uid", type=parse_uid)
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parser.add_argument("--loglevel", type=str)
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parser.add_argument("--parent_addr", type=parse_ipaddr)
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args = parser.parse_args()
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bind_addr = args.bind_addr.split(":")
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bind_addr = (bind_addr[0], int(bind_addr[1]))
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parent_addr = args.parent_addr.split(":")
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parent_addr = (parent_addr[0], int(parent_addr[1]))
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arbiter_addr = args.arbiter_addr.split(":")
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arbiter_addr = (arbiter_addr[0], int(arbiter_addr[1]))
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if args.loglevel == "None":
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loglevel = None
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else:
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loglevel = args.loglevel
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subactor = Actor(
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args.name,
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uid=args.uid,
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loglevel=loglevel,
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arbiter_addr=arbiter_addr
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)
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subactor._spawn_method = "trio"
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args.uid[0],
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uid=args.uid[1],
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loglevel=args.loglevel,
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spawn_method="trio"
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)
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_trio_main(
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subactor,
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bind_addr,
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parent_addr=parent_addr
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("127.0.0.1", 0),
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parent_addr=args.parent_addr
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)
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@ -160,23 +160,28 @@ async def cancel_on_completion(
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async def spawn_subactor(
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subactor: 'Actor',
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accept_addr: Tuple[str, int],
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parent_addr: Tuple[str, int] = None
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parent_addr: Optional[Tuple[str, int]] = None
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):
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async with await trio.open_process(
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[
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sys.executable,
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"-m",
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# Hardcode this (instead of using ``_child.__name__`` to avoid a
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# double import warning: https://stackoverflow.com/a/45070583
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"tractor._child",
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subactor.name,
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subactor.uid[1],
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subactor.loglevel or "None",
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f"{accept_addr[0]}:{accept_addr[1]}",
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f"{parent_addr[0]}:{parent_addr[1]}",
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f"{subactor._arb_addr[0]}:{subactor._arb_addr[1]}"
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spawn_cmd = [
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sys.executable,
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"-m",
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# Hardcode this (instead of using ``_child.__name__`` to avoid a
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# double import warning: https://stackoverflow.com/a/45070583
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"tractor._child",
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"--uid",
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str(subactor.uid),
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"--parent_addr",
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str(parent_addr)
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]
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if subactor.loglevel:
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spawn_cmd += [
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"--loglevel",
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subactor.loglevel
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]
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) as proc:
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async with await trio.open_process(spawn_cmd) as proc:
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yield proc
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@ -218,9 +223,12 @@ async def new_proc(
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subactor, proc, portal)
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# send additional init params
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await chan.send(subactor._parent_main_data)
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await chan.send(subactor.rpc_module_paths)
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await chan.send(subactor.statespace)
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await chan.send({
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"_parent_main_data": subactor._parent_main_data,
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"rpc_module_paths": subactor.rpc_module_paths,
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"statespace": subactor.statespace,
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"_arb_addr": subactor._arb_addr
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})
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task_status.started(portal)
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