Merge branch 'daemon-rework' into develop
commit
593fe189cd
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@ -1,3 +1,7 @@
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## Unreleased
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### Added
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- Daemons can now accept an interval value, removing the need for a manual while True loop
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## v0.1 (2020/08/26)
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### Added
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@ -88,10 +88,13 @@ class Frank(discord.Client):
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except ValueError:
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return
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if cmd and cmd[0] == self.PREFIX:
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module = next((mod for mod in self._loaded_modules
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if mod.match(cmd[1])), None)
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# Exit if no commands are given or prefix is wrong
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if not (cmd and cmd[0] == self.PREFIX):
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return
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if module:
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await module(cmd=cmd[2:], author=message.author,
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channel=message.channel, mid=message.id)
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module = next((mod for mod in self._loaded_modules
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if mod.match(cmd[1])), None)
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if module:
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await module(cmd=cmd[2:], author=message.author,
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channel=message.channel, mid=message.id)
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@ -4,6 +4,13 @@ from __future__ import annotations
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# Built-in imports
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import re
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import asyncio
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# Typing imports
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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# Built-in imports
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from typing import Union
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class Simple:
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@ -95,16 +102,37 @@ class RegexCommand(Command):
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class Daemon(Simple):
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"""
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Represents a daemon. Currently, it's only used as its own type, but writing
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it this way allows us to easily expand upon its functionality later.
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Represents a daemon a.k.a. a background process.
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"""
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pass
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def __init__(self, func: callable, interval: Union[int, float] = 0):
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"""
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Args
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func: function to wrap
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interval: time between calls of the function; if < 0, the function
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is assumed to contain its own infinite loop, allowing for
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fine-grained control of the daemon, if desired
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"""
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super().__init__(func)
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self.interval = interval
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# If an interval > 0 is given, it wraps the function inside an infinite
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# loop with the desired delay
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if interval > 0:
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async def loop(self, *args, **kwargs):
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while True:
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# TODO: does this make func and sleep run at the same time?
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await func(self, *args, **kwargs)
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await asyncio.sleep(interval)
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self.func = loop
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class Default(Simple):
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"""
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Represents a default command (a.k.a. when the module is called without a
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Represents a default command a.k.a. when the module is called without a
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command.
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"""
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@ -1,7 +1,16 @@
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# =====IMPORTS=====
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# Future imports
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from __future__ import annotations
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# Own imports
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from .classes import Command, RegexCommand, Daemon, Default
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# Typing imports
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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# Built-in imports
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from typing import Union
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def command(cmd, help_str: str = None) -> callable:
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"""
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@ -33,14 +42,14 @@ def regex_command(pattern: str, help_str: str = None) -> callable:
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return inner
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def daemon() -> callable:
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def daemon(interval: Union[int, float] = 0) -> callable:
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"""
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Converts the method into a Daemon, which will then be run when the module
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is started.
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"""
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def inner(func):
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return Daemon(func)
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return Daemon(func, interval)
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return inner
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@ -100,18 +100,18 @@ class Module(ModuleMeta):
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func = next((func for func in self.commands
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if func.match(cmd[0])), None)
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if func:
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# A RegexCommand can use the prefix, as it's not a fixed string
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if isinstance(func, RegexCommand):
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await func(prefix=cmd[0], cmd=cmd[1:], author=author,
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channel=channel, mid=mid)
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# Throw error if no function is found
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if not func:
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raise InvalidCommand(f'Unknown command: {cmd}')
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else:
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await func(cmd=cmd[1:], author=author, channel=channel,
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mid=mid)
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# A RegexCommand can use the prefix, as it's not a fixed string
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if isinstance(func, RegexCommand):
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await func(prefix=cmd[0], cmd=cmd[1:], author=author,
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channel=channel, mid=mid)
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else:
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raise InvalidCommand(f'Unknown command: {cmd}')
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await func(cmd=cmd[1:], author=author, channel=channel,
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mid=mid)
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elif self.default:
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await self.default(author=author, channel=channel, mid=mid)
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@ -125,12 +125,12 @@ class Module(ModuleMeta):
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prefix: prefix to check
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"""
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if cls.PREFIX:
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if isinstance(cls.PREFIX, list):
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return prefix in cls.PREFIX
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# Always return False if there's no PREFIX defined
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if not cls.PREFIX:
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return False
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else:
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return prefix == cls.PREFIX
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if isinstance(cls.PREFIX, list):
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return prefix in cls.PREFIX
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else:
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return False
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return prefix == cls.PREFIX
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@ -1,4 +1,7 @@
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# =====IMPORTS=====
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# Third-party imports
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import pytest
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# Own imports
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from frank import default, command, daemon
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@ -27,7 +30,7 @@ class TestDecorators:
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return 'daemon'
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@daemon()
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def daemon_dec(self):
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async def daemon_dec(self):
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return self.daemon_no_dec()
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def test_default(self):
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def test_command(self):
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assert self.command_no_dec() == self.command_dec()
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def test_daemon(self):
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assert self.daemon_no_dec() == self.daemon_dec()
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@pytest.mark.asyncio
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async def test_daemon(self):
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assert self.daemon_no_dec() == await self.daemon_dec()
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