text: # Copyright (c) IOTIC LABS LIMITED. All rights reserved. Licensed under the Apache License, Version 2.0.
  
  
  class IdentityBaseException(Exception):
      """
      Identity base exception. All the exceptions from the iotic.lib.identity extends this exception.
      """
  
  
  class IdentityDependencyError(IdentityBaseException):
      """
      Raised when an unexpected error is raised by a dependency due to a version incompatibility.
      """
  
  
  class IdentityValidationError(IdentityBaseException):
      """
      Raised when a user input is invalid.
      """
  
  
  class IdentityInvalidDocumentError(IdentityValidationError):
      """
      Raised when a RegisterDocument is invalid.
      """
  
  
  class IdentityInvalidProofError(IdentityInvalidDocumentError):
      """
      Raised when a Proof (for RegisterDocument, Delegation, ...) is invalid.
      """
  
  
  class IdentityInvalidDocumentDelegationError(IdentityInvalidDocumentError):
      """
      Raised when a RegisterDocument delegation (authentication or control) is invalid.
      """
  
  
  class IdentityRegisterDocumentKeyConflictError(IdentityInvalidDocumentError):
      """
      Raised when a RegisteredDocument key name is not unique.
      """
  
  
  class IdentityRegisterDocumentKeyNotFoundError(IdentityInvalidDocumentError):
      """
      Raised when a register document key is not found.
      """
  
  
  class IdentityRegisterIssuerNotFoundError(IdentityInvalidDocumentError):
      """
      Raised when a RegisteredDocument issuer is not found.
      """
  
  
  class IdentityInvalidRegisterIssuerError(IdentityInvalidDocumentError):
      """
      Raised when a RegisteredDocument issuer is invalid.
      """
  
  
  class IdentityResolverError(IdentityBaseException):
      """
      Raised when an error occurs while interacting with the resolver.
      """
  
  
  class IdentityResolverConflictError(IdentityResolverError):
      """
      Raised when a register document already exist with a different owners
      """
  
  
  class IdentityResolverDocNotFoundError(IdentityResolverError):
      """
      Raised when a RegisterDocument is not found against the resolver.
      """
  
  
  class IdentityResolverCommunicationError(IdentityResolverError):
      """
      Raised when a communication error occurs while interacting with the resolver.
      """
  
  
  class IdentityResolverTimeoutError(IdentityResolverError):
      """
      Raised when a timeout error occurs while interacting with the resolver.
      """
  
  
  class IdentityResolverHttpError(IdentityResolverError):
      """
      Raised when a HTTPError occurs while interacting with the REST resolver.
      """
  
  
  class IdentityResolverHttpDocNotFoundError(IdentityResolverHttpError, IdentityResolverDocNotFoundError):
      """
      Raised when a RegisterDocument is not found against the REST resolver.
      """
  
  
  class IdentityAuthenticationFailed(IdentityBaseException):
      """
      Raised when verify authentication fails.
      """
  
  
  class IdentityNotAllowed(IdentityAuthenticationFailed):
      """
      Raised when identity not allowed for authentication or control.
      """
  