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from multiprocessing import Queue
from dataclasses import dataclass, field
from typing import Any
from .globals import *
@dataclass
class Context:
"""
The context is used to provide ways for multiprocessing
code to print and talk to the main process.
"""
index: int
output: Queue
def send_command(self, command, *args):
self.output.put((command, (*args,)))
def debug(self, *args):
self.send_command('debug', *args)
def warning(self, *args):
self.send_command('warning', *args)
def error(self, *args):
self.send_command('error', *args)
def info(self, *args):
self.send_command('info', *args)
def complete(self, result=None):
self.send_command('complete', self.index, result)
def exception(self, traceback):
self.send_command('exception', self.index, traceback)
def exit(self):
self.send_command('exit', 0)
@dataclass
class MainContext(Context):
""" Context that is ONLY used on the main process. """
def send_command(self, command, *args):
if command == 'debug':
debug(*args)
elif command == 'warning':
warning(*args)
elif command == 'info':
info(*args)
elif command == 'error':
error(*args)
elif self.output:
self.output.put((command, (*args,)))
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