46 lines
1 KiB
Python
46 lines
1 KiB
Python
"""Custom error pages for FastAPI app"""
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from pathlib import Path
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from fastapi import Request, Response
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from fastapi import HTTPException
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from . import Paths
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from .. import respond
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from .. import common
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# Add other HTTP error codes
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codes = [404, 500]
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class ErrorsPaths(Paths):
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"""Sets up custom error pages,
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inherited from paths.Paths"""
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def add_paths(self) -> None:
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for code in codes:
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self.add_handler(code)
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def add_handler(self, code: int) -> None:
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"""Adds an error handler to FastAPI app.
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Only for internal use!
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Args:
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code (int): HTTP error code
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"""
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file = Path(common.templates_dir) / f'{code}.html'
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if not file.exists():
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return
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@self.app.exception_handler(code)
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async def handler(req: Request, exc: HTTPException) -> Response:
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return respond.with_tmpl(
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f'{code}.html',
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code=code,
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request=req,
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exc=exc,
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)
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