How to use the pyzotero.zotero_errors.PyZoteroError function in pyzotero

class ResourceNotFound(PyZoteroError):
    """ Raised when a resource (item, collection etc.) could not be found
    """

    pass


class HTTPError(PyZoteroError):
    """ Raised for miscellaneous URLLib errors
    """

    pass


class CouldNotReachURL(PyZoteroError):
    """ Raised when we can't reach a URL
    """

    pass


class Conflict(PyZoteroError):
    """ 409 - Raised when the target library is locked
    """

    pass


class PreConditionFailed(PyZoteroError):
    """
    412 - Raised when the provided X-Zotero-Write-Token has already been

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""


# Define some exceptions
class PyZoteroError(Exception):
    """ Generic parent exception
    """

    pass


class ParamNotPassed(PyZoteroError):
    """ Raised if a parameter which is required isn't passed
    """

    pass


class CallDoesNotExist(PyZoteroError):
    """ Raised if the specified API call doesn't exist
    """

    pass


class UnsupportedParams(PyZoteroError):
    """ Raised when unsupported parameters are passed
    """

def _verify_client_validity(self):
        # Check if Zotero can be accessed with current credentials
        try:
            self._client.collections()
        except zotero_errors.PyZoteroError as err:
            self._client = None
            if isinstance(err, zotero_errors.UserNotAuthorised):
                raise HTTPError(403)
            else:
                raise err

class UserNotAuthorised(PyZoteroError):
    """ Raised when the user is not allowed to retrieve the resource
    """

    pass


class TooManyItems(PyZoteroError):
    """ Raised when too many items are passed to a Write API method
    """

    pass


class MissingCredentials(PyZoteroError):
    """
    Raised when an attempt is made to create a Zotero instance
    without providing both the user ID and the user key
    """

    pass


class InvalidItemFields(PyZoteroError):
    """ Raised when an attempt is made to create/update items w/invalid fields
    """

    pass


class ResourceNotFound(PyZoteroError):

429 - Raised when Too many unfinished uploads.
    Try again after the number of seconds specified in the Retry-After header.
    """

    pass


class FileDoesNotExist(PyZoteroError):
    """
    Raised when a file path to be attached can't be opened (or doesn't exist)
    """

    pass


class TooManyRetries(PyZoteroError):
    """
    Raise after the backoff period for new requests exceeds 32s
    """

    pass


class UploadError(PyZoteroError):
    """
    Raise if connection dropped during upload or other non HTTP error code is returned
    """

    pass

""" Raised when too many items are passed to a Write API method
    """

    pass


class MissingCredentials(PyZoteroError):
    """
    Raised when an attempt is made to create a Zotero instance
    without providing both the user ID and the user key
    """

    pass


class InvalidItemFields(PyZoteroError):
    """ Raised when an attempt is made to create/update items w/invalid fields
    """

    pass


class ResourceNotFound(PyZoteroError):
    """ Raised when a resource (item, collection etc.) could not be found
    """

    pass


class HTTPError(PyZoteroError):
    """ Raised for miscellaneous URLLib errors
    """

class HTTPError(PyZoteroError):
    """ Raised for miscellaneous URLLib errors
    """

    pass


class CouldNotReachURL(PyZoteroError):
    """ Raised when we can't reach a URL
    """

    pass


class Conflict(PyZoteroError):
    """ 409 - Raised when the target library is locked
    """

    pass


class PreConditionFailed(PyZoteroError):
    """
    412 - Raised when the provided X-Zotero-Write-Token has already been
    submitted
    """

    pass


class RequestEntityTooLarge(PyZoteroError):

""" 409 - Raised when the target library is locked
    """

    pass


class PreConditionFailed(PyZoteroError):
    """
    412 - Raised when the provided X-Zotero-Write-Token has already been
    submitted
    """

    pass


class RequestEntityTooLarge(PyZoteroError):
    """
    413 – The upload would exceed the storage quota of the library owner.
    """

    pass


class PreConditionRequired(PyZoteroError):
    """
    428 - Raised when If-Match or If-None-Match was not provided.
    """

    pass


class TooManyRequests(PyZoteroError):

def _verify_client_validity(self):
        # Check if Zotero can be accessed with current credentials
        try:
            self._client.collections()
        except zotero_errors.PyZoteroError as err:
            self._client = None
            if isinstance(err, zotero_errors.UserNotAuthorised):
                raise HTTPError(403)
            else:
                raise err

class CouldNotReachURL(PyZoteroError):
    """ Raised when we can't reach a URL
    """

    pass


class Conflict(PyZoteroError):
    """ 409 - Raised when the target library is locked
    """

    pass


class PreConditionFailed(PyZoteroError):
    """
    412 - Raised when the provided X-Zotero-Write-Token has already been
    submitted
    """

    pass


class RequestEntityTooLarge(PyZoteroError):
    """
    413 – The upload would exceed the storage quota of the library owner.
    """

    pass