parameters: (self, schemaName, modeName = None)
return_statement: return True
docstring: check schema exists
  		@type schemaName:	   str
  		@type modeName:		 str
  		@rtype:				 bool
docstring_summary: check schema exists
docstring_tokens: check schema exists
function: def isSchemaExist(self, schemaName, modeName = None):
  		""" check schema exists
  		@type schemaName:	   str
  		@type modeName:		 str
  		@rtype:				 bool
  		"""
  		if schemaName not in self.schemaList:
  			return False
  
  		if modeName not in self.schemaList[schemaName].modes:
  			return False
  		
  		return True
function_tokens: def isSchemaExist ( self , schemaName , modeName = None ) : if schemaName not in self . schemaList : return False if modeName not in self . schemaList [ schemaName ] . modes : return False return True