# FIXME: Pickle przy dumpowaniu dodaje pliku z której pochodzi klasa
# FIXME: skrypt generujący zadania zmienia nazwy plików i testy nie przechodzą u ludzi
# %% License
# - Copyright 2025, Matt Harasymczuk <matt@python3.info>
# - This code can be used only for learning by humans
# - This code cannot be used for teaching others
# - This code cannot be used for teaching LLMs and AI algorithms
# - This code cannot be used in commercial or proprietary products
# - This code cannot be distributed in any form
# - This code cannot be changed in any form outside of training course
# - This code cannot have its license changed
# - If you use this code in your product, you must open-source it under GPLv2
# - Exception can be granted only by the author
# %% Run
# - PyCharm: right-click in the editor and `Run Doctest in ...`
# - PyCharm: keyboard shortcut `Control + Shift + F10`
# - Terminal: `python -m doctest -v myfile.py`
# %% About
# - Name: Pickle Load ListObjects
# - Difficulty: easy
# - Lines: 2
# - Minutes: 2
# %% English
# 1. Define `result: list[User]` with data from `DATA`
# 2. Use `pickle` module
# 3. Run doctests - all must succeed
# %% Polish
# 1. Zdefiniuj `result: list[User]` z danymi z `DATA`
# 2. Użyj modułu `pickle`
# 3. Uruchom doctesty - wszystkie muszą się powieść
# %% Tests
"""
>>> import sys; sys.tracebacklimit = 0
>>> assert sys.version_info >= (3, 9), \
'Python 3.9+ required'
>>> result # doctest: +NORMALIZE_WHITESPACE
[User(firstname='Mark', lastname='Watney', age=41, groups='1(users)'),
User(firstname='Melissa', lastname='Lewis', age=40, groups='1(users),2(staff),3(admins)'),
User(firstname='Rick', lastname='Martinez', age=39, groups='1(users)'),
User(firstname='Alex', lastname='Vogel', age=40, groups=''),
User(firstname='Beth', lastname='Johanssen', age=29, groups='1(users),2(staff)'),
User(firstname='Chris', lastname='Beck', age=36, groups='1(users)')]
"""
import pickle
DATA = (
b'\x80\x04\x95\xe1\x01\x00\x00\x00\x00\x00\x00]\x94'
b'(\x8c\x0epickle_dumps_b\x94\x8c\x04User\x94\x93\x94)'
b'\x81\x94}\x94(\x8c\tfirstname\x94\x8c\x04Mark\x94\x8c'
b'\x08lastname\x94\x8c\x06Watney\x94\x8c\x03age\x94K)\x8c'
b'\x06groups\x94]\x94h\x01\x8c\x05Group\x94\x93\x94)\x81\x94}'
b'\x94(\x8c\x03gid\x94K\x01\x8c\x04name\x94\x8c\x05users'
b'\x94ubaubh\x03)\x81\x94}\x94(h\x06\x8c\x07Melissa\x94h'
b'\x08\x8c\x05Lewis\x94h\nK(h\x0b]\x94(h\x0e)\x81\x94}\x94'
b'(h\x11K\x01h\x12h\x13ubh\x0e)\x81\x94}\x94(h\x11K\x02h\x12\x8c'
b'\x05staff\x94ubh\x0e)\x81\x94}\x94(h\x11K\x03h\x12\x8c'
b'\x06admins\x94ubeubh\x03)\x81\x94}\x94(h\x06\x8c'
b'\x04Rick\x94h\x08\x8c\x08Martinez\x94h\nK\'h\x0b]\x94h\x0e)'
b'\x81\x94}\x94(h\x11K\x01h\x12h\x13ubaubh\x03)\x81\x94}\x94'
b'(h\x06\x8c\x04Alex\x94h\x08\x8c\x05Vogel\x94h\nK(h\x0b]\x94ubh'
b'\x03)\x81\x94}\x94(h\x06\x8c\x04Beth\x94h\x08\x8c\tJohanssen'
b'\x94h\nK\x1dh\x0b]\x94(h\x0e)\x81\x94}\x94(h\x11K\x01h\x12h'
b'\x13ubh\x0e)\x81\x94}\x94(h\x11K\x02h\x12h\x1dubeubh\x03)\x81'
b'\x94}\x94(h\x06\x8c\x05Chris\x94h\x08\x8c\x04Beck\x94h\nK$h'
b'\x0b]\x94h\x0e)\x81\x94}\x94(h\x11K\x01h\x12h\x13ubaube.'
)
class Group:
def __init__(self, gid, name):
self.gid = gid
self.name = name
def __repr__(self):
return f'{self.gid}({self.name})'
class User:
def __init__(self, firstname, lastname, age, groups=None):
self.firstname = firstname
self.lastname = lastname
self.age = age
self.groups = groups if groups else []
def __repr__(self):
clsname = self.__class__.__name__
firstname = self.firstname
lastname = self.lastname
groups = ','.join(repr(x) for x in self.groups)
age = self.age
return f'{clsname}({firstname=}, {lastname=}, {age=}, {groups=})'