53 lines
1.1 KiB
Python
53 lines
1.1 KiB
Python
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from abc import abstractmethod, ABCMeta
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from pathlib import Path
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from typing import Callable
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from app import utils
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class IoWriter(metaclass=ABCMeta):
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"""
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Abstract class for writing posts.
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"""
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@abstractmethod
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def write(self, data: str):
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"""
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Write a post
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Parameters
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----------
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data: str
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The post data to write
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"""
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raise NotImplementedError
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class FileWriter(IoWriter):
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"""
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Writes a post to a file.
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"""
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def __init__(self, output_path: Path):
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utils.guard_against_none(output_path, "output_path")
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self.output_path = output_path
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output_path.parent.mkdir(parents=True, exist_ok=True)
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def write(self, data: str):
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with open(self.output_path, "w") as fo:
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fo.write(data)
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class CallbackWriter(IoWriter):
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"""
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Writes a post to a string.
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"""
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def __init__(self, callback: Callable[[str], None]):
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utils.guard_against_none(callback, "callback")
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self.callback = callback
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def write(self, data: str):
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self.callback(data)
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