def find_unique(self, **kwargs): found = self.find(**kwargs) if not found: raise APIException(error_code=404, error_message=_("No matches found.")) if len(found) > 1: raise APIException(error_code=409, error_message=_("Multiple matches found.")) return found[0]
class BadRequest(HTTPClientError): """HTTP 400 - Bad Request. The request cannot be fulfilled due to bad syntax. """ http_status = 400 message = _("Bad Request")
class HttpError(ClientException): """The base exception class for all HTTP exceptions. """ http_status = 0 message = _("HTTP Error") def __init__(self, message=None, details=None, response=None, request_id=None, url=None, method=None, http_status=None): self.http_status = http_status or self.http_status self.message = message or self.message self.details = details self.request_id = request_id self.response = response self.url = url self.method = method formatted_string = "%s (HTTP %s)" % (self.message, self.http_status) if request_id: formatted_string += " (Request-ID: %s)" % request_id super(HttpError, self).__init__(formatted_string)
class InternalServerError(HttpServerError): """HTTP 500 - Internal Server Error. A generic error message, given when no more specific message is suitable. """ http_status = 500 message = _("Internal Server Error")
class ExpectationFailed(HTTPClientError): """HTTP 417 - Expectation Failed. The server cannot meet the requirements of the Expect request-header field. """ http_status = 417 message = _("Expectation Failed")
class PaymentRequired(HTTPClientError): """HTTP 402 - Payment Required. Reserved for future use. """ http_status = 402 message = _("Payment Required")
class HttpServerError(HttpError): """Server-side HTTP error. Exception for cases in which the server is aware that it has erred or is incapable of performing the request. """ message = _("HTTP Server Error")
class HttpVersionNotSupported(HttpServerError): """HTTP 505 - HttpVersion Not Supported. The server does not support the HTTP protocol version used in the request. """ http_status = 505 message = _("HTTP Version Not Supported")
class RequestUriTooLong(HTTPClientError): """HTTP 414 - Request-URI Too Long. The URI provided was too long for the server to process. """ http_status = 414 message = _("Request-URI Too Long")
class RequestTimeout(HTTPClientError): """HTTP 408 - Request Timeout. The server timed out waiting for the request. """ http_status = 408 message = _("Request Timeout")
class ServiceUnavailable(HttpServerError): """HTTP 503 - Service Unavailable. The server is currently unavailable. """ http_status = 503 message = _("Service Unavailable")
class ProxyAuthenticationRequired(HTTPClientError): """HTTP 407 - Proxy Authentication Required. The client must first authenticate itself with the proxy. """ http_status = 407 message = _("Proxy Authentication Required")
class Gone(HTTPClientError): """HTTP 410 - Gone. Indicates that the resource requested is no longer available and will not be available again. """ http_status = 410 message = _("Gone")
class UnprocessableEntity(HTTPClientError): """HTTP 422 - Unprocessable Entity. The request was well-formed but was unable to be followed due to semantic errors. """ http_status = 422 message = _("Unprocessable Entity")
class RequestedRangeNotSatisfiable(HTTPClientError): """HTTP 416 - Requested Range Not Satisfiable. The client has asked for a portion of the file, but the server cannot supply that portion. """ http_status = 416 message = _("Requested Range Not Satisfiable")
class HttpNotImplemented(HttpServerError): """HTTP 501 - Not Implemented. The server either does not recognize the request method, or it lacks the ability to fulfill the request. """ http_status = 501 message = _("Not Implemented")
class Conflict(HTTPClientError): """HTTP 409 - Conflict. Indicates that the request could not be processed because of conflict in the request, such as an edit conflict. """ http_status = 409 message = _("Conflict")
class NotAcceptable(HTTPClientError): """HTTP 406 - Not Acceptable. The requested resource is only capable of generating content not acceptable according to the Accept headers sent in the request. """ http_status = 406 message = _("Not Acceptable")
class MethodNotAllowed(HTTPClientError): """HTTP 405 - Method Not Allowed. A request was made of a resource using a request method not supported by that resource. """ http_status = 405 message = _("Method Not Allowed")
class NotFound(HTTPClientError): """HTTP 404 - Not Found. The requested resource could not be found but may be available again in the future. """ http_status = 404 message = _("Not Found")
class Forbidden(HTTPClientError): """HTTP 403 - Forbidden. The request was a valid request, but the server is refusing to respond to it. """ http_status = 403 message = _("Forbidden")
class BadGateway(HttpServerError): """HTTP 502 - Bad Gateway. The server was acting as a gateway or proxy and received an invalid response from the upstream server. """ http_status = 502 message = _("Bad Gateway")
class LengthRequired(HTTPClientError): """HTTP 411 - Length Required. The request did not specify the length of its content, which is required by the requested resource. """ http_status = 411 message = _("Length Required")
class GatewayTimeout(HttpServerError): """HTTP 504 - Gateway Timeout. The server was acting as a gateway or proxy and did not receive a timely response from the upstream server. """ http_status = 504 message = _("Gateway Timeout")
class PreconditionFailed(HTTPClientError): """HTTP 412 - Precondition Failed. The server does not meet one of the preconditions that the requester put on the request. """ http_status = 412 message = _("Precondition Failed")
class UnsupportedMediaType(HTTPClientError): """HTTP 415 - Unsupported Media Type. The request entity has a media type which the server or resource does not support. """ http_status = 415 message = _("Unsupported Media Type")
class Unauthorized(HTTPClientError): """HTTP 401 - Unauthorized. Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided. """ http_status = 401 message = _("Unauthorized")
class MultipleChoices(HTTPRedirection): """HTTP 300 - Multiple Choices. Indicates multiple options for the resource that the client may follow. """ http_status = 300 message = _("Multiple Choices")
def _raise_api_exception(self, resp): try: error_data = get_json(resp) except Exception: msg = _("Failed to parse response from Sahara: %s") % resp.reason raise APIException(error_code=resp.status_code, error_message=msg) raise APIException(error_code=error_data.get("error_code"), error_name=error_data.get("error_name"), error_message=error_data.get("error_message"))
def _raise_api_exception(self, resp): try: error_data = get_json(resp) except Exception: msg = _("Failed to parse response from Sahara: %s") % resp.reason raise APIException( error_code=resp.status_code, error_message=msg) raise APIException(error_code=error_data.get("error_code"), error_name=error_data.get("error_name"), error_message=error_data.get("error_message"))
def print_list(objs, fields, formatters=None, sortby_index=0, mixed_case_fields=None, field_labels=None): """Print a list of objects as a table, one row per object. :param objs: iterable of :class:`Resource` :param fields: attributes that correspond to columns, in order :param formatters: `dict` of callables for field formatting :param sortby_index: index of the field for sorting table rows :param mixed_case_fields: fields corresponding to object attributes that have mixed case names (e.g., 'serverId') :param field_labels: Labels to use in the heading of the table, default to fields. """ formatters = formatters or {} mixed_case_fields = mixed_case_fields or [] field_labels = field_labels or fields if len(field_labels) != len(fields): raise ValueError( _("Field labels list %(labels)s has different number " "of elements than fields list %(fields)s"), { 'labels': field_labels, 'fields': fields }) if sortby_index is None: kwargs = {} else: kwargs = {'sortby': field_labels[sortby_index]} pt = prettytable.PrettyTable(field_labels) pt.align = 'l' for o in objs: row = [] for field in fields: if field in formatters: row.append(formatters[field](o)) else: if field in mixed_case_fields: field_name = field.replace(' ', '_') else: field_name = field.lower().replace(' ', '_') data = getattr(o, field_name, '') row.append(data) pt.add_row(row) if six.PY3: print(encodeutils.safe_encode(pt.get_string(**kwargs)).decode()) else: print(encodeutils.safe_encode(pt.get_string(**kwargs)))
def _raise_api_exception(self, resp): try: error_data = get_json(resp) except Exception: raise APIException( error_code=resp.status_code, error_message=_("Failed to parse response from Sahara. Check " "if service catalog configured properly.")) raise APIException(error_code=error_data.get("error_code"), error_name=error_data.get("error_name"), error_message=error_data.get("error_message"))
def print_list(objs, fields, formatters=None, sortby_index=0, mixed_case_fields=None, field_labels=None): """Print a list or objects as a table, one row per object. :param objs: iterable of :class:`Resource` :param fields: attributes that correspond to columns, in order :param formatters: `dict` of callables for field formatting :param sortby_index: index of the field for sorting table rows :param mixed_case_fields: fields corresponding to object attributes that have mixed case names (e.g., 'serverId') :param field_labels: Labels to use in the heading of the table, default to fields. """ formatters = formatters or {} mixed_case_fields = mixed_case_fields or [] field_labels = field_labels or fields if len(field_labels) != len(fields): raise ValueError(_("Field labels list %(labels)s has different number " "of elements than fields list %(fields)s"), {'labels': field_labels, 'fields': fields}) if sortby_index is None: kwargs = {} else: kwargs = {'sortby': field_labels[sortby_index]} pt = prettytable.PrettyTable(field_labels) pt.align = 'l' for o in objs: row = [] for field in fields: if field in formatters: row.append(formatters[field](o)) else: if field in mixed_case_fields: field_name = field.replace(' ', '_') else: field_name = field.lower().replace(' ', '_') data = getattr(o, field_name, '') row.append(data) pt.add_row(row) if six.PY3: print(encodeutils.safe_encode(pt.get_string(**kwargs)).decode()) else: print(encodeutils.safe_encode(pt.get_string(**kwargs)))
def __init__(self, missing): self.missing = missing msg = _("Missing arguments: %s") % ", ".join(missing) super(MissingArgs, self).__init__(msg)