Exemple #1
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 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]
Exemple #2
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 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]
Exemple #3
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class BadRequest(HTTPClientError):
    """HTTP 400 - Bad Request.

    The request cannot be fulfilled due to bad syntax.
    """
    http_status = 400
    message = _("Bad Request")
Exemple #4
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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)
Exemple #5
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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")
Exemple #6
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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")
Exemple #7
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class PaymentRequired(HTTPClientError):
    """HTTP 402 - Payment Required.

    Reserved for future use.
    """
    http_status = 402
    message = _("Payment Required")
Exemple #8
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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")
Exemple #9
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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")
Exemple #10
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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")
Exemple #11
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class RequestTimeout(HTTPClientError):
    """HTTP 408 - Request Timeout.

    The server timed out waiting for the request.
    """
    http_status = 408
    message = _("Request Timeout")
Exemple #12
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class ServiceUnavailable(HttpServerError):
    """HTTP 503 - Service Unavailable.

    The server is currently unavailable.
    """
    http_status = 503
    message = _("Service Unavailable")
Exemple #13
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class ProxyAuthenticationRequired(HTTPClientError):
    """HTTP 407 - Proxy Authentication Required.

    The client must first authenticate itself with the proxy.
    """
    http_status = 407
    message = _("Proxy Authentication Required")
Exemple #14
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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")
Exemple #15
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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")
Exemple #16
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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")
Exemple #17
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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")
Exemple #18
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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")
Exemple #19
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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")
Exemple #20
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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")
Exemple #21
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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")
Exemple #22
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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")
Exemple #23
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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")
Exemple #24
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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")
Exemple #25
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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")
Exemple #26
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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")
Exemple #27
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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")
Exemple #28
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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")
Exemple #29
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class MultipleChoices(HTTPRedirection):
    """HTTP 300 - Multiple Choices.

    Indicates multiple options for the resource that the client may follow.
    """

    http_status = 300
    message = _("Multiple Choices")
Exemple #30
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    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"))
Exemple #31
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    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"))
Exemple #32
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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)))
Exemple #33
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    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)