error.py 文件源码

def document(self):
        """Render the error document"""
        original_request = request.environ.get('pylons.original_request')
        original_response = request.environ.get('pylons.original_response')
        # When a request (e.g. from a web-bot) is direct, not a redirect
        # from a page. #1176
        if not original_response:
            return 'There is no error.'
        # Bypass error template for API operations.
        if (original_request and
                (original_request.path.startswith('/api') or
                 original_request.path.startswith('/fanstatic'))):
            return original_response.body
        # If the charset has been lost on the middleware stack, use the
        # default one (utf-8)
        if not original_response.charset and original_response.default_charset:
            original_response.charset = original_response.default_charset
        # Otherwise, decorate original response with error template.
        c.content = literal(original_response.unicode_body) or \
            cgi.escape(request.GET.get('message', ''))
        c.prefix = request.environ.get('SCRIPT_NAME', ''),
        c.code = cgi.escape(request.GET.get('code',
                            str(original_response.status_int))),
        return render('error_document_template.html')