51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
# lint-amnesty, pylint: disable=missing-module-docstring
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import functools
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from django.http import HttpResponse, HttpResponseNotFound, HttpResponseServerError
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from common.djangoapps.edxmako.shortcuts import render_to_response, render_to_string
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from common.djangoapps.util.views import fix_crum_request
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from openedx.core.djangolib.js_utils import dump_js_escaped_json
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__all__ = ['not_found', 'server_error', 'render_404', 'render_500']
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def jsonable_error(status=500, message="The Studio servers encountered an error"):
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"""
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A decorator to make an error view return an JSON-formatted message if
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it was requested via AJAX.
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"""
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def outer(func):
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@functools.wraps(func)
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def inner(request, *args, **kwargs):
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if request.headers.get('x-requested-with') == 'XMLHttpRequest':
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content = dump_js_escaped_json({"error": message})
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return HttpResponse(content, content_type="application/json", # lint-amnesty, pylint: disable=http-response-with-content-type-json
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status=status)
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else:
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return func(request, *args, **kwargs)
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return inner
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return outer
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@jsonable_error(404, "Resource not found")
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def not_found(request, exception): # lint-amnesty, pylint: disable=unused-argument
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return render_to_response('error.html', {'error': '404'})
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@jsonable_error(500, "The Studio servers encountered an error")
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def server_error(request):
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return render_to_response('error.html', {'error': '500'})
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@fix_crum_request
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@jsonable_error(404, "Resource not found")
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def render_404(request, exception): # lint-amnesty, pylint: disable=unused-argument
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return HttpResponseNotFound(render_to_string('404.html', {}, request=request))
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@fix_crum_request
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@jsonable_error(500, "The Studio servers encountered an error")
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def render_500(request):
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return HttpResponseServerError(render_to_string('500.html', {}, request=request))
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