▍8、通过Enum枚举同一标签或一系列常量的集合 枚举是绑定到唯一的常量值的一组符号名称(成员)。在枚举中,成员可以通过身份进行比较,枚举本身可以迭代。 from enum import Enum class Status(Enum): NO_STATUS = -1 NOT_STARTED = 0 IN_PROGRESS = 1 COMPLETED = 2 print(Status.IN_PROGRESS.name) # IN_PR...
@enum.unique 专用于枚举的 class 装饰器。 它会搜索一个枚举的 __members__ 并收集所找到的任何别名;只要找到任何别名就会引发 ValueError 并附带相关细节信息: >>> >>> from enum import Enum, unique >>> @unique ... class Mistake(Enum): ... ONE = 1 ... TWO = 2 ... THREE = 3 ...
An enumeration is a set of symbolic names bound to unique, constant values. Enumerations can be used to create simple custom data types which include things such as seasons, weeks, types of weapons in a game, planets, grades, or days. By convention, enumeration names begin with an uppercas...
代码如下: defget_all_vector(file_path,stop_words_set): names= [ os.path.join(file_path,f)forfinos.listdir(file_path) ] posts= [ open(name).read()fornameinnames ] docs=[] word_set=set()forpostinposts: doc=del_stop_words(post,stop_words_set) docs.append(doc) word_set|=set(doc...
enum pycompletionserver typing _sha512 errno pydev_app_engine_debug_startup unicodedata _signal faulthandler pydev_coverage unittest _sitebuiltins filecmp pydev_ipython urllib _socket fileinput pydev_pysrc uu _sqlite3 fnmatch pydev_run_in_console uuid _sre formatter pydevconsole venv _ssl ...
class Days(Enum): MONDAY = 1 TUESDAY = 2 WEDNESDAY = 3 THURSDAY = 4 FRIDAY = 5 SATURDAY = 6 SUNDAY = 7 def str_num_map(day: str) -> int: return Days[day].value str_num_map('WEDNESDAY') 使用Enum会使代码更简短,增加可读性(所见即所得),同时能做到类型安全。当对其进行扩展时,采用if...
func = stacks[0].function code = stacks[1].code_context[0] s = code.index(func) s = code.index("(", s + len(func)) + 1 e = code.index(")", s) return code[s:e].strip() except: return"" 对于常量,可以使用enum,它支持检索其名称。
Write a Python program to display all the member names of an enum class ordered by their values. Expected Output: Country Name ordered by Country Code: Afghanistan Algeria Angola Albania Andorra Antarctica Click me to see the sample solution4. Get All Values from an Enum Class...
(model, to_file='model_plot.png', show_shapes=True, show_layer_names=True) model.compile(loss='mse',optimizer='adam') callbacks = [EarlyStopping('val_loss', patience=2), ModelCheckpoint(f'{outdir}/nn_factor_model.h5', save_best_only=True)] model.fit([X_train[:,0],X_train[:,...
Get __init__ signatures matching any taste, peculiar or plain! The PEP 681 compatible alias option can be use to override private attribute name mangling, or add other arbitrary field argument name overrides. #950 attrs.NOTHING is now an enum value, making it possible to use with e.g. ty...