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"""Handlers for HTTP 4** errors"""
import logging
from werkzeug.exceptions import NotFound
from flask import request, jsonify, render_template
from gn_auth.errors.tracing import add_trace
__all__ = ["http_4xx_error_handlers"]
logger = logging.getLogger(__name__)
def page_not_found(exc):
"""404 handler."""
logger.error("Page '%s' was not found.", request.url, exc_info=True)
content_type = request.content_type
if bool(content_type) and content_type.lower() == "application/json":
return jsonify(add_trace(exc, {
"error": exc.name,
"error_description": (f"The page '{request.url}' does not exist on "
"this server.")
})), exc.code
return render_template("404.html", page=request.url), exc.code
def http_4xx_error_handlers() -> dict:
"""Return handlers for HTTP errors in the 400-499 range"""
return {
NotFound: page_not_found
}
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