text: """
  .. currentmodule:: cockatoo.exception
  
  .. autosummary::
      :nosignatures:
  
      CockatooException
      CockatooImportException
      RhinoNotPresentError
      SystemNotPresentError
      NetworkXNotPresentError
      NetworkXVersionError
      KnitNetworkError
      KnitNetworkGeometryError
      MappingNetworkError
      KnitNetworkTopologyError
      NoWeftEdgesError
      NoWarpEdgesError
      NoEndNodesError
  """
  
  # DUNDER ----------------------------------------------------------------------
  __all__ = [
      "CockatooException",
      "CockatooImportException",
      "RhinoNotPresentError",
      "SystemNotPresentError",
      "NetworkXNotPresentError",
      "NetworkXVersionError",
      "KnitNetworkError",
      "KnitNetworkGeometryError",
      "MappingNetworkError",
      "KnitNetworkTopologyError",
      "NoWeftEdgesError",
      "NoWarpEdgesError",
      "NoEndNodesError"
  ]
  
  # COCKATOO BASE EXCEPTION -----------------------------------------------------
  
  
  class CockatooException(Exception):
      """Base class for exceptions in Cockatoo."""
  
  
  class CockatooImportException(ImportError):
      """Base class for import errors in Cockatoo."""
  
  # DEPENDENCY EXCEPTIONS -------------------------------------------------------
  
  
  class RhinoNotPresentError(CockatooImportException):
      """Exception raised when import of Rhino fails."""
  
  
  class SystemNotPresentError(CockatooImportException):
      """Exception raised when import of System fails."""
  
  
  class NetworkXNotPresentError(CockatooImportException):
      """Exception raised when import of NetworkX fails."""
  
  
  class NetworkXVersionError(CockatooException):
      """Exception raised when NetworkX version is not 1.5."""
  
  # CALLBACK EXCEPTIONS ---------------------------------------------------------
  
  
  class CockatooCallbackError(CockatooException):
      """Exception raised when a supplied callback is not callable."""
  
  # KNITNETWORK EXCEPTIONS ------------------------------------------------------
  
  
  class KnitNetworkError(CockatooException):
      """Exception for a serious error in a KnitNetwork of Cockatoo."""
  
  
  class KnitNetworkGeometryError(KnitNetworkError):
      """Exception raised when vital geometry operations fail."""
  
  
  class MappingNetworkError(KnitNetworkError):
      """
      Exception raised by methods relying on a mapping network if no mapping
      network has been assigned to the current KnitNetwork instance yet.
      """
  
  
  class KnitNetworkTopologyError(KnitNetworkError):
      """
      Exception raised by methods which rely on a certain topology of a network
      if that topology could not be verified.
      """
  
  
  class NoWeftEdgesError(KnitNetworkError):
      """
      Exception raised by methods relying on 'weft' edges if there are no 'weft'
      edges in the network.
      """
  
  
  class NoWarpEdgesError(KnitNetworkError):
      """
      Exception raised by methods relying on 'warp' edges if there are no 'warp'
      edges in the network.
      """
  
  
  class NoEndNodesError(KnitNetworkError):
      """
      Exception raised by methods relying on 'end' nodes if there are no 'end'
      nodes in the network.
      """
  
  # MAIN ------------------------------------------------------------------------
  
  
  if __name__ == '__main__':
      pass
  