| 1 |  |  | # -*- coding: utf-8 -*- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 | 1 |  | import datetime | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 | 1 |  | import time | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 | 1 |  | from .defaults import ELAPSED_TIME_FORMAT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 | 1 |  | from .generators import generate_oid | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 | 1 |  | from .prefix import make_prefix, join_prefix | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 | 1 |  | class DirectPrefixInjector(object): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 | 1 |  |     __slots__ = ['prefix', 'enter_time', ] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 | 1 |  |     def __init__(self, prefix): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 | 1 |  |         self.prefix = prefix | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |         # `enter_time` will be set by context manager | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 | 1 |  |         self.enter_time = None | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 | 1 |  |     def mark(self, message): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         # Use `format` as it will automatically convert parameters to strings | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 | 1 |  |         return "{0}{1}".format(self.prefix, message) | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 25 | 1 |  |     @property | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |     def elapsed_time(self): | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  |         if self.enter_time: | 
            
                                                                        
                            
            
                                    
            
            
                | 28 |  |  |             return time.time() - self.enter_time | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 | 1 |  |     def format_elapsed_time(self, fmt=None): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         dt = datetime.datetime.utcfromtimestamp(self.elapsed_time) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         return dt.strftime(fmt or ELAPSED_TIME_FORMAT) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 1 |  | class StaticPrefixInjector(DirectPrefixInjector): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 | 1 |  |     def __init__(self, prefix, delimiter=None): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 1 |  |         prefix = make_prefix(prefix, delimiter) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 | 1 |  |         super(StaticPrefixInjector, self).__init__(prefix) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 1 |  | class AutoprefixInjector(StaticPrefixInjector): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 1 |  |     def __init__(self, oid_generator=None, delimiter=None): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 1 |  |         autopart = generate_oid(oid_generator) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 1 |  |         super(AutoprefixInjector, self).__init__(autopart, delimiter) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 1 |  | class HybrydPrefixInjector(DirectPrefixInjector): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 1 |  |     def __init__(self, prefix, oid_generator=None, delimiter=None): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 1 |  |         autopart = generate_oid(oid_generator) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 1 |  |         prefix = join_prefix([autopart, prefix, ], delimiter) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 1 |  |         super(HybrydPrefixInjector, self).__init__(prefix) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 1 |  | def merge_injectors(*args): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 1 |  |     prefix = ''.join([x.prefix for x in args]) | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 59 |  |  |     return DirectPrefixInjector(prefix) | 
            
                                                        
            
                                    
            
            
                | 60 |  |  |  |