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Merge pull request #300 from goodboy/msgpack_lists_by_default 

Use lists by default like `msgspec`, update to latest `msgspec`  and `msgpack` releases
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goodboy 2022-02-15 09:08:20 -05:00 committed by GitHub
parent 26bebc42b7 76a0492028
commit 6e5590dad6
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6 changed files with 76 additions and 50 deletions
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3
nooz/300.misc.rst 100644
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@ -0,0 +1,3 @@
Update to and pin latest `msgpack` (1.0.3) and `msgspec` (0.4.0)
both of which required adjustments for backwards imcompatible API
tweaks.

4
setup.py
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@ -56,13 +56,13 @@ setup(
'pdbpp', 'pdbpp',
# serialization # serialization
'msgpack', 'msgpack>=1.0.3',
], ],
extras_require={ extras_require={
# serialization # serialization
'msgspec': ["msgspec >= 0.3.2'; python_version >= '3.9'"], 'msgspec': ['msgspec >= "0.4.0"'],
}, },
tests_require=['pytest'], tests_require=['pytest'],

25
tests/test_discovery.py
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@ -116,11 +116,26 @@ async def stream_from(portal):
print(value) print(value)
async def unpack_reg(actor_or_portal):
'''
Get and unpack a "registry" RPC request from the "arbiter" registry
system.
'''
if getattr(actor_or_portal, 'get_registry', None):
msg = await actor_or_portal.get_registry()
else:
msg = await actor_or_portal.run_from_ns('self', 'get_registry')
return {tuple(key.split('.')): val for key, val in msg.items()}
async def spawn_and_check_registry( async def spawn_and_check_registry(
arb_addr: tuple, arb_addr: tuple,
use_signal: bool, use_signal: bool,
remote_arbiter: bool = False, remote_arbiter: bool = False,
with_streaming: bool = False, with_streaming: bool = False,
) -> None: ) -> None:
async with tractor.open_root_actor( async with tractor.open_root_actor(
@ -134,13 +149,11 @@ async def spawn_and_check_registry(
assert not actor.is_arbiter assert not actor.is_arbiter
if actor.is_arbiter: if actor.is_arbiter:
async def get_reg():
return await actor.get_registry()
extra = 1 # arbiter is local root actor extra = 1 # arbiter is local root actor
get_reg = partial(unpack_reg, actor)
else: else:
get_reg = partial(portal.run_from_ns, 'self', 'get_registry') get_reg = partial(unpack_reg, portal)
extra = 2 # local root actor + remote arbiter extra = 2 # local root actor + remote arbiter
# ensure current actor is registered # ensure current actor is registered
@ -266,7 +279,7 @@ async def close_chans_before_nursery(
): ):
async with tractor.get_arbiter(*arb_addr) as aportal: async with tractor.get_arbiter(*arb_addr) as aportal:
try: try:
get_reg = partial(aportal.run_from_ns, 'self', 'get_registry') get_reg = partial(unpack_reg, aportal)
async with tractor.open_nursery() as tn: async with tractor.open_nursery() as tn:
portal1 = await tn.start_actor( portal1 = await tn.start_actor(

75
tractor/_actor.py
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@ -27,7 +27,7 @@ import importlib.util
import inspect import inspect
import uuid import uuid
import typing import typing
from typing import List, Tuple, Any, Optional, Union from typing import Any, Optional, Union
from types import ModuleType from types import ModuleType
import sys import sys
import os import os
@ -199,7 +199,9 @@ async def _invoke(
assert chan.uid assert chan.uid
ctx = actor._contexts.pop((chan.uid, cid)) ctx = actor._contexts.pop((chan.uid, cid))
if ctx: if ctx:
log.runtime(f'Context entrypoint for {func} was terminated:\n{ctx}') log.runtime(
f'Context entrypoint for {func} was terminated:\n{ctx}'
)
assert cs assert cs
if cs.cancelled_caught: if cs.cancelled_caught:
@ -368,10 +370,10 @@ class Actor:
self, self,
name: str, name: str,
*, *,
enable_modules: List[str] = [], enable_modules: list[str] = [],
uid: str = None, uid: str = None,
loglevel: str = None, loglevel: str = None,
arbiter_addr: Optional[Tuple[str, int]] = None, arbiter_addr: Optional[tuple[str, int]] = None,
spawn_method: Optional[str] = None spawn_method: Optional[str] = None
) -> None: ) -> None:
"""This constructor is called in the parent actor **before** the spawning """This constructor is called in the parent actor **before** the spawning
@ -421,25 +423,25 @@ class Actor:
# (chan, cid) -> (cancel_scope, func) # (chan, cid) -> (cancel_scope, func)
self._rpc_tasks: dict[ self._rpc_tasks: dict[
Tuple[Channel, str], tuple[Channel, str],
Tuple[trio.CancelScope, typing.Callable, trio.Event] tuple[trio.CancelScope, typing.Callable, trio.Event]
] = {} ] = {}
# map {actor uids -> Context} # map {actor uids -> Context}
self._contexts: dict[ self._contexts: dict[
Tuple[Tuple[str, str], str], tuple[tuple[str, str], str],
Context Context
] = {} ] = {}
self._listeners: List[trio.abc.Listener] = [] self._listeners: list[trio.abc.Listener] = []
self._parent_chan: Optional[Channel] = None self._parent_chan: Optional[Channel] = None
self._forkserver_info: Optional[ self._forkserver_info: Optional[
Tuple[Any, Any, Any, Any, Any]] = None tuple[Any, Any, Any, Any, Any]] = None
self._actoruid2nursery: dict[Optional[tuple[str, str]], 'ActorNursery'] = {} # type: ignore # noqa self._actoruid2nursery: dict[Optional[tuple[str, str]], 'ActorNursery'] = {} # type: ignore # noqa
async def wait_for_peer( async def wait_for_peer(
self, uid: Tuple[str, str] self, uid: tuple[str, str]
) -> Tuple[trio.Event, Channel]: ) -> tuple[trio.Event, Channel]:
"""Wait for a connection back from a spawned actor with a given """Wait for a connection back from a spawned actor with a given
``uid``. ``uid``.
""" """
@ -1010,8 +1012,8 @@ class Actor:
async def _from_parent( async def _from_parent(
self, self,
parent_addr: Optional[Tuple[str, int]], parent_addr: Optional[tuple[str, int]],
) -> Tuple[Channel, Optional[Tuple[str, int]]]: ) -> tuple[Channel, Optional[tuple[str, int]]]:
try: try:
# Connect back to the parent actor and conduct initial # Connect back to the parent actor and conduct initial
# handshake. From this point on if we error, we # handshake. From this point on if we error, we
@ -1024,7 +1026,7 @@ class Actor:
# Initial handshake: swap names. # Initial handshake: swap names.
await self._do_handshake(chan) await self._do_handshake(chan)
accept_addr: Optional[Tuple[str, int]] = None accept_addr: Optional[tuple[str, int]] = None
if self._spawn_method == "trio": if self._spawn_method == "trio":
# Receive runtime state from our parent # Receive runtime state from our parent
@ -1066,7 +1068,7 @@ class Actor:
async def _async_main( async def _async_main(
self, self,
accept_addr: Optional[Tuple[str, int]] = None, accept_addr: Optional[tuple[str, int]] = None,
# XXX: currently ``parent_addr`` is only needed for the # XXX: currently ``parent_addr`` is only needed for the
# ``multiprocessing`` backend (which pickles state sent to # ``multiprocessing`` backend (which pickles state sent to
@ -1075,7 +1077,7 @@ class Actor:
# change this to a simple ``is_subactor: bool`` which will # change this to a simple ``is_subactor: bool`` which will
# be False when running as root actor and True when as # be False when running as root actor and True when as
# a subactor. # a subactor.
parent_addr: Optional[Tuple[str, int]] = None, parent_addr: Optional[tuple[str, int]] = None,
task_status: TaskStatus[None] = trio.TASK_STATUS_IGNORED, task_status: TaskStatus[None] = trio.TASK_STATUS_IGNORED,
) -> None: ) -> None:
@ -1261,7 +1263,7 @@ class Actor:
handler_nursery: trio.Nursery, handler_nursery: trio.Nursery,
*, *,
# (host, port) to bind for channel server # (host, port) to bind for channel server
accept_host: Tuple[str, int] = None, accept_host: tuple[str, int] = None,
accept_port: int = 0, accept_port: int = 0,
task_status: TaskStatus[trio.Nursery] = trio.TASK_STATUS_IGNORED, task_status: TaskStatus[trio.Nursery] = trio.TASK_STATUS_IGNORED,
) -> None: ) -> None:
@ -1273,7 +1275,7 @@ class Actor:
self._server_down = trio.Event() self._server_down = trio.Event()
try: try:
async with trio.open_nursery() as server_n: async with trio.open_nursery() as server_n:
l: List[trio.abc.Listener] = await server_n.start( l: list[trio.abc.Listener] = await server_n.start(
partial( partial(
trio.serve_tcp, trio.serve_tcp,
self._stream_handler, self._stream_handler,
@ -1427,7 +1429,7 @@ class Actor:
self._server_n.cancel_scope.cancel() self._server_n.cancel_scope.cancel()
@property @property
def accept_addr(self) -> Optional[Tuple[str, int]]: def accept_addr(self) -> Optional[tuple[str, int]]:
"""Primary address to which the channel server is bound. """Primary address to which the channel server is bound.
""" """
# throws OSError on failure # throws OSError on failure
@ -1438,7 +1440,7 @@ class Actor:
assert self._parent_chan, "No parent channel for this actor?" assert self._parent_chan, "No parent channel for this actor?"
return Portal(self._parent_chan) return Portal(self._parent_chan)
def get_chans(self, uid: Tuple[str, str]) -> List[Channel]: def get_chans(self, uid: tuple[str, str]) -> list[Channel]:
"""Return all channels to the actor with provided uid.""" """Return all channels to the actor with provided uid."""
return self._peers[uid] return self._peers[uid]
@ -1446,7 +1448,7 @@ class Actor:
self, self,
chan: Channel chan: Channel
) -> Tuple[str, str]: ) -> tuple[str, str]:
"""Exchange (name, UUIDs) identifiers as the first communication step. """Exchange (name, UUIDs) identifiers as the first communication step.
These are essentially the "mailbox addresses" found in actor model These are essentially the "mailbox addresses" found in actor model
@ -1454,7 +1456,7 @@ class Actor:
""" """
await chan.send(self.uid) await chan.send(self.uid)
value = await chan.recv() value = await chan.recv()
uid: Tuple[str, str] = (str(value[0]), str(value[1])) uid: tuple[str, str] = (str(value[0]), str(value[1]))
if not isinstance(uid, tuple): if not isinstance(uid, tuple):
raise ValueError(f"{uid} is not a valid uid?!") raise ValueError(f"{uid} is not a valid uid?!")
@ -1483,14 +1485,14 @@ class Arbiter(Actor):
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
self._registry: dict[ self._registry: dict[
Tuple[str, str], tuple[str, str],
Tuple[str, int], tuple[str, int],
] = {} ] = {}
self._waiters = {} self._waiters = {}
super().__init__(*args, **kwargs) super().__init__(*args, **kwargs)
async def find_actor(self, name: str) -> Optional[Tuple[str, int]]: async def find_actor(self, name: str) -> Optional[tuple[str, int]]:
for uid, sockaddr in self._registry.items(): for uid, sockaddr in self._registry.items():
if name in uid: if name in uid:
return sockaddr return sockaddr
@ -1499,25 +1501,31 @@ class Arbiter(Actor):
async def get_registry( async def get_registry(
self self
) -> dict[Tuple[str, str], Tuple[str, int]]:
'''Return current name registry. ) -> dict[str, tuple[str, int]]:
'''
Return current name registry.
This method is async to allow for cross-actor invocation. This method is async to allow for cross-actor invocation.
''' '''
# NOTE: requires ``strict_map_key=False`` to the msgpack # NOTE: requires ``strict_map_key=False`` to the msgpack
# unpacker since we have tuples as keys (not this makes the # unpacker since we have tuples as keys (not this makes the
# arbiter suscetible to hashdos): # arbiter suscetible to hashdos):
# https://github.com/msgpack/msgpack-python#major-breaking-changes-in-msgpack-10 # https://github.com/msgpack/msgpack-python#major-breaking-changes-in-msgpack-10
return self._registry return {'.'.join(key): val for key, val in self._registry.items()}
async def wait_for_actor( async def wait_for_actor(
self, self,
name: str, name: str,
) -> List[Tuple[str, int]]:
'''Wait for a particular actor to register. ) -> list[tuple[str, int]]:
'''
Wait for a particular actor to register.
This is a blocking call if no actor by the provided name is currently This is a blocking call if no actor by the provided name is currently
registered. registered.
''' '''
sockaddrs = [] sockaddrs = []
@ -1536,8 +1544,8 @@ class Arbiter(Actor):
async def register_actor( async def register_actor(
self, self,
uid: Tuple[str, str], uid: tuple[str, str],
sockaddr: Tuple[str, int] sockaddr: tuple[str, int]
) -> None: ) -> None:
uid = name, uuid = (str(uid[0]), str(uid[1])) uid = name, uuid = (str(uid[0]), str(uid[1]))
@ -1552,7 +1560,8 @@ class Arbiter(Actor):
async def unregister_actor( async def unregister_actor(
self, self,
uid: Tuple[str, str] uid: tuple[str, str]
) -> None: ) -> None:
uid = (str(uid[0]), str(uid[1])) uid = (str(uid[0]), str(uid[1]))
self._registry.pop(uid) self._registry.pop(uid)

15
tractor/_ipc.py
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@ -96,7 +96,8 @@ class MsgTransport(Protocol[MsgType]):
class MsgpackTCPStream: class MsgpackTCPStream:
'''A ``trio.SocketStream`` delivering ``msgpack`` formatted data '''
A ``trio.SocketStream`` delivering ``msgpack`` formatted data
using ``msgpack-python``. using ``msgpack-python``.
''' '''
@ -120,12 +121,12 @@ class MsgpackTCPStream:
self.drained: list[dict] = [] self.drained: list[dict] = []
async def _iter_packets(self) -> AsyncGenerator[dict, None]: async def _iter_packets(self) -> AsyncGenerator[dict, None]:
"""Yield packets from the underlying stream. '''
""" Yield packets from the underlying stream.
'''
unpacker = msgpack.Unpacker( unpacker = msgpack.Unpacker(
raw=False, raw=False,
use_list=False,
strict_map_key=False
) )
while True: while True:
try: try:
@ -222,8 +223,8 @@ class MsgspecTCPStream(MsgpackTCPStream):
self.prefix_size = prefix_size self.prefix_size = prefix_size
# TODO: struct aware messaging coders # TODO: struct aware messaging coders
self.encode = msgspec.Encoder().encode self.encode = msgspec.msgpack.Encoder().encode
self.decode = msgspec.Decoder().decode # dict[str, Any]) self.decode = msgspec.msgpack.Decoder().decode # dict[str, Any])
async def _iter_packets(self) -> AsyncGenerator[dict, None]: async def _iter_packets(self) -> AsyncGenerator[dict, None]:
'''Yield packets from the underlying stream. '''Yield packets from the underlying stream.

4
tractor/trionics/_mngrs.py
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@ -71,7 +71,7 @@ async def gather_contexts(
mngrs: Sequence[AsyncContextManager[T]], mngrs: Sequence[AsyncContextManager[T]],
) -> AsyncGenerator[tuple[T, ...], None]: ) -> AsyncGenerator[tuple[Optional[T], ...], None]:
''' '''
Concurrently enter a sequence of async context managers, each in Concurrently enter a sequence of async context managers, each in
a separate ``trio`` task and deliver the unwrapped values in the a separate ``trio`` task and deliver the unwrapped values in the
@ -84,7 +84,7 @@ async def gather_contexts(
entered and exited cancellation just works. entered and exited cancellation just works.
''' '''
unwrapped = {}.fromkeys(id(mngr) for mngr in mngrs) unwrapped: dict[int, Optional[T]] = {}.fromkeys(id(mngr) for mngr in mngrs)
all_entered = trio.Event() all_entered = trio.Event()
parent_exit = trio.Event() parent_exit = trio.Event()