6ef025363d
- menu changes to allow for partners - partner views and forms now in partner_forms.py and partner_views.py - Introduction of services layer - Allow all configuration to handle partner configurations, and adaptation of caching to allow for this
99 lines
4.0 KiB
Python
99 lines
4.0 KiB
Python
import traceback
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import jinja2
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from flask import render_template, request, jsonify, redirect, current_app, flash
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from flask_login import current_user
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from common.utils.nginx_utils import prefixed_url_for
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def not_found_error(error):
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if not current_user.is_authenticated:
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return redirect(prefixed_url_for('security.login'))
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current_app.logger.error(f"Not Found Error: {error}")
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return render_template('error/404.html'), 404
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def internal_server_error(error):
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if not current_user.is_authenticated:
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return redirect(prefixed_url_for('security.login'))
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current_app.logger.error(f"Internal Server Error: {error}")
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return render_template('error/500.html'), 500
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def not_authorised_error(error):
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if not current_user.is_authenticated:
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return redirect(prefixed_url_for('security.login'))
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current_app.logger.error(f"Not Authorised Error: {error}")
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return render_template('error/401.html')
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def access_forbidden(error):
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if not current_user.is_authenticated:
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return redirect(prefixed_url_for('security.login'))
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current_app.logger.error(f"Access Forbidden: {error}")
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return render_template('error/403.html')
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def key_error_handler(error):
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# Check if the KeyError is specifically for 'tenant'
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if str(error) == "'tenant'":
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return redirect(prefixed_url_for('security.login'))
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# For other KeyErrors, you might want to log the error and return a generic error page
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current_app.logger.error(f"Key Error: {error}")
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return render_template('error/generic.html', error_message="An unexpected error occurred"), 500
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def attribute_error_handler(error):
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"""Handle AttributeError exceptions.
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Specifically catches SQLAlchemy relationship errors when string IDs
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are used instead of model instances.
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"""
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error_msg = str(error)
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current_app.logger.error(f"AttributeError: {error_msg}")
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current_app.logger.error(traceback.format_exc())
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# Handle the SQLAlchemy relationship error specifically
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if "'str' object has no attribute '_sa_instance_state'" in error_msg:
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flash('Database relationship error. Please check your form inputs and try again.', 'error')
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return render_template('error/500.html',
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error_type="Relationship Error",
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error_details="A string value was provided where a database object was expected."), 500
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# Handle other AttributeErrors
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flash('An application error occurred. The technical team has been notified.', 'error')
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return render_template('error/500.html',
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error_type="Attribute Error",
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error_details=error_msg), 500
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def general_exception(e):
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current_app.logger.error(f"Unhandled Exception: {e}", exc_info=True)
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flash('An application error occurred. The technical team has been notified.', 'error')
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return render_template('error/500.html',
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error_type=type(e).__name__,
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error_details=str(e)), 500
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def register_error_handlers(app):
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app.register_error_handler(404, not_found_error)
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app.register_error_handler(500, internal_server_error)
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app.register_error_handler(401, not_authorised_error)
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app.register_error_handler(403, not_authorised_error)
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app.register_error_handler(KeyError, key_error_handler)
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app.register_error_handler(AttributeError, attribute_error_handler)
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app.register_error_handler(Exception, general_exception)
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@app.errorhandler(jinja2.TemplateNotFound)
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def template_not_found(error):
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app.logger.error(f'Template not found: {error.name}')
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app.logger.error(f'Search Paths: {app.jinja_loader.list_templates()}')
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return f'Template not found: {error.name}. Check logs for details.', 404
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@app.errorhandler(jinja2.TemplateSyntaxError)
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def template_syntax_error(error):
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app.logger.error(f'Template syntax error: {error.message}')
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app.logger.error(f'In template {error.filename}, line {error.lineno}')
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return f'Template syntax error: {error.message}', 500
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