Support both input msg-sequence types
The legacy version was a `dict` of `dicts` vs. now we want to be handed a `list[FeedInit]`; process both in a factored way. Drop `FeedInit.bs_mktid` since it's already defined on `.mkt.bs_mktid` and we don't really need it top level.rekt_pps
parent
b4f2f49001
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765b8f8e5c
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@ -48,8 +48,6 @@ class FeedInit(Struct, frozen=True):
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from each backend broker/data provider.
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'''
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# backend specific, market endpoint id
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bs_mktid: str
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mkt_info: MktPair
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shm_write_opts: dict[str, Any] | None = None
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@ -70,13 +68,21 @@ def validate_backend(
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that haven't been implemented by this backend yet.
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'''
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inits: list[
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FeedInit | dict[str, Any]
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] = init_msgs
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# convert to list if from old dict-style
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if isinstance(init_msgs, dict):
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for i, (sym_str, msg) in enumerate(init_msgs.items()):
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init: FeedInit | dict[str, Any] = msg
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inits = list(init_msgs.values())
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init: FeedInit | dict[str, Any]
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for i, init in enumerate(inits):
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# XXX: eventually this WILL NOT necessarily be true.
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if i > 0:
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assert not len(init_msgs) == 1
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if isinstance(init_msgs, dict):
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keys: set = set(init_msgs.keys()) - set(syms)
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raise FeedInitializationError(
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'TOO MANY INIT MSGS!\n'
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@ -84,6 +90,11 @@ def validate_backend(
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'ALL MSGS:\n'
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f'{pformat(init_msgs)}\n'
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)
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else:
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raise FeedInitializationError(
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'TOO MANY INIT MSGS!\n'
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f'{pformat(init_msgs)}\n'
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)
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# TODO: once all backends are updated we can remove this branching.
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rx_msg: bool = False
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@ -104,7 +115,6 @@ def validate_backend(
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rx_msg = True
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# verify feed init state / schema
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bs_mktid: str # backend specific (unique) market id
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bs_fqme: str # backend specific fqme
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mkt: MktPair
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@ -157,14 +167,15 @@ def validate_backend(
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)
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case FeedInit(
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# bs_mktid=bs_mktid,
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mkt_info=MktPair(dst=Asset()) as mkt,
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shm_write_opts=dict(),
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shm_write_opts=dict(shm_opts),
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) as init:
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name: str = mod.name
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log.info(
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f'NICE JOB {mod.name} BACKEND!\n'
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'You are fully up to API spec B):\n'
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f'{init.to_dict()}'
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f'NICE JOB {name} BACKEND being fully up to API spec B)\n'
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f"{name}'s `MktPair` info:\n"
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f'{pformat(mkt.to_dict())}\n'
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f'shm conf: {pformat(shm_opts)}\n'
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)
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case _:
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@ -172,15 +183,14 @@ def validate_backend(
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# build a msg if we received a dict for input.
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if not rx_msg:
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assert bs_fqme in mkt.fqme
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init = FeedInit(
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bs_mktid=mkt.bs_mktid,
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mkt_info=mkt,
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shm_write_opts=init.get('shm_write_opts'),
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)
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# `MktPair` value audits
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mkt = init.mkt_info
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assert bs_fqme in mkt.fqme
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assert mkt.type_key
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# `MktPair` wish list
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