| 1 |  |  | """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | PyStratum | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | Copyright 2015-2016 Set Based IT Consultancy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | Licence MIT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | from configparser import ConfigParser | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | from enarksh.C import C | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 13 |  |  | class Credentials: | 
            
                                                                        
                            
            
                                    
            
            
                | 14 |  |  |     """ | 
            
                                                                        
                            
            
                                    
            
            
                | 15 |  |  |     Singleton for reading MySQL's credentials. | 
            
                                                                        
                            
            
                                    
            
            
                | 16 |  |  |     """ | 
            
                                                                        
                            
            
                                    
            
            
                | 17 |  |  |     instance = None | 
            
                                                                        
                            
            
                                    
            
            
                | 18 |  |  |     """ | 
            
                                                                        
                            
            
                                    
            
            
                | 19 |  |  |     The singleton of this class. | 
            
                                                                        
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 21 |  |  |     :type: None|enarksh.Credentials.Credentials | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  |     """ | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |     # ------------------------------------------------------------------------------------------------------------------ | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  |     @staticmethod | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |     def get(): | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 28 |  |  |         Returns the singleton of this class. | 
            
                                                                        
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  |         :rtype: enarksh.Credentials.Credentials | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |         if not Credentials.instance: | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  |             Credentials.instance = Credentials() | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 35 |  |  |         return Credentials.instance | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  |     # ------------------------------------------------------------------------------------------------------------------ | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  |     def __init__(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 40 |  |  |         Object constructor. | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |         self.__config = ConfigParser() | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  |         self.__config.read(C.CREDENTIALS_CFG) | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  |     # ------------------------------------------------------------------------------------------------------------------ | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  |     def get_host(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  |         Returns the hostname of the MySQL instance. | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |         :rtype: str | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |         return self.__config.get('database', 'host', fallback='localhost') | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  |     # ------------------------------------------------------------------------------------------------------------------ | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |     def get_user(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |         Returns the user for connecting to the MySQL instance. | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |         :rtype: str | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 61 |  |  |         return self.__config.get('database', 'user') | 
            
                                                                        
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 63 |  |  |     # ------------------------------------------------------------------------------------------------------------------ | 
            
                                                                        
                            
            
                                    
            
            
                | 64 |  |  |     def get_password(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 65 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 66 |  |  |         Returns the password for connecting to the MySQL instance. | 
            
                                                                        
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  |         :rtype: str | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |         return self.__config.get('database', 'password') | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  |     # ------------------------------------------------------------------------------------------------------------------ | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |     def get_database(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  |         Returns the database or schema name. | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  |         :rtype: str | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |         return self.__config.get('database', 'database') | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |     # ------------------------------------------------------------------------------------------------------------------ | 
            
                                                                        
                            
            
                                    
            
            
                | 82 |  |  |     def get_port(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  |         Returns the port to the MySQL instance. | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  |         :rtype: int | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |         """ | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  |         return self.__config.getint('database', 'port', fallback=3306) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 90 |  |  | # ---------------------------------------------------------------------------------------------------------------------- | 
            
                                                        
            
                                    
            
            
                | 91 |  |  |  |