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117 lines
3.5 KiB
Python
117 lines
3.5 KiB
Python
# Module docstring
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"""
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The PDA ("main" class) for the :mod:`royalnet_console` frontend.
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"""
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# Special imports
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from __future__ import annotations
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import royalnet.royaltyping as t
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# External imports
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import logging
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import asyncio
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import royalnet.engineer as engi
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# Internal imports
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from . import magazine
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# Special global objects
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log = logging.getLogger(__name__)
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# Code
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class ConsolePDA:
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"""
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.. todo:: Document the :class:`.ConsolePDA` class.
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"""
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def __init__(self):
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log.debug(f"Creating new ConsolePDA...")
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log.debug(f"Creating new magazine...")
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self.mag = magazine.ConsoleMagazine()
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self.dispenser: t.Optional[engi.Dispenser] = None
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"""
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The dispenser for this PDA.
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"""
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self.conversations: t.List[engi.Conversation] = []
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"""
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A :class:`list` of conversations to run before a new event is :meth:`.put` in a
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:class:`~royalnet.engineer.dispenser.Dispenser`.
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"""
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async def run(self):
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while True:
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message = input()
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log.debug(f"Received a new message: {message!r}")
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log.debug(f"Creating ConsoleMessage from: {message!r}")
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bullet = self.mag.Message(_text=message)
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log.debug(f"Putting bullet: {bullet!r}")
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await self.put_bullet(bullet=bullet)
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def register_conversation(self, conv: engi.Conversation) -> None:
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"""
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Register a new conversation in the PDA.
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:param conv: The conversation to register.
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"""
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log.info(f"Registering conversation: {conv!r}")
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self.conversations.append(conv)
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def unregister_conversation(self, conv: engi.Conversation) -> None:
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"""
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Unregister a conversation from the PDA.
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:param conv: The conversation to unregister.
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"""
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log.info(f"Unregistering conversation: {conv!r}")
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self.conversations.remove(conv)
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def register_partial(self, part: engi.PartialCommand, names: t.List[str]) -> engi.Command:
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"""
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Register a new :class:`PartialCommand` in the PDA, converting it to a :class:`Command` in the process.
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:param part: The :class:`PartialCommand` to register.
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:param names: The :attr:`~royalnet.engineer.Command.names` to register the command as.
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:return: The resulting :class:`Command`.
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"""
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log.debug(f"Completing partial: {part!r}")
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if part.syntax:
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command = part.complete(pattern=r"^!{name}\s+{syntax}$", names=names)
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else:
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command = part.complete(pattern=r"^!{name}$", names=names)
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self.register_conversation(command)
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return command
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async def put_bullet(self, bullet: engi.Bullet) -> None:
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"""
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Insert a new bullet into the dispenser.
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:param bullet: The bullet to put in the dispenser.
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"""
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if not self.dispenser:
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log.debug(f"Dispenser not found, creating one...")
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self.dispenser = engi.Dispenser()
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log.debug("Getting running loop...")
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loop = asyncio.get_running_loop()
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for conversation in self.conversations:
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log.debug(f"Creating run task for: {conversation!r}")
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loop.create_task(self.dispenser.run(conversation), name=f"{repr(conversation)}")
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log.debug("Running a event loop cycle...")
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await asyncio.sleep(0)
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log.debug(f"Putting bullet {bullet!r} in dispenser {self.dispenser!r}...")
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await self.dispenser.put(bullet)
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# Objects exported by this module
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__all__ = (
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"ConsolePDA",
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)
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