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Програмиране с Python

Курс във Факултета по Математика и Информатика към СУ

Решение на Генератори и итератори от Елена Орешарова

Обратно към всички решения

Към профила на Елена Орешарова

Резултати

  • 6 точки от тестове
  • 0 бонус точки
  • 6 точки общо
  • 8 успешни тест(а)
  • 6 неуспешни тест(а)

Код

def fibonacci():
first, second = 1, 1
while True:
yield first
first, second = second, first + second
def primes():
yield 2
n = 2
while True:
n += 1
for p in primes():
if p * p > n:
yield n
break
if (n % p) == 0:
break
def alphabet(code=None, letters=None):
if code == 'lat' and not letters:
lat_letters = list(map(chr, range(97, 123)))
iterator = iter(lat_letters)
length = len(lat_letters)
if code == 'bg' and not letters:
bg_letters = list(map(chr, range(1072, 1103)))
iterator = iter(bg_letters)
length = len(bg_letters)
if letters:
iterator = iter(letters)
length = len(letters)
i = 0
while i < length:
yield next(iterator)
i += 1
raise StopIteration
def intertwined_sequences(generators, generator_definitions={}):
fibonacci_seq = fibonacci()
primes_seq = primes()
bg_alphabet_seq = alphabet(code='bg')
lat_alphabet_seq = alphabet(code='lat')
for elem in generators:
if 'letters' in elem:
letters_seq = alphabet(letters=elem['letters'])
if generator_definitions:
keys = generator_definitions.keys()
values = generator_definitions.values()
additional_generators = dict(zip(keys, values))
for elem in generators:
if elem['sequence'] == 'fibonacci':
sequence = fibonacci_seq
elif elem['sequence'] == 'primes':
sequence = primes_seq
elif elem['sequence'] == 'alphabet' and 'letters' in elem:
sequence = letters_seq
elif elem['sequence'] == 'alphabet' and elem['code'] == 'bg':
sequence = bg_alphabet_seq
elif elem['sequence'] == 'alphabet' and elem['code'] == 'lat':
sequence = lat_alphabet_seq
elif generator_definitions:
sequence = additional_generators[elem['sequence']]()
while elem['length'] > 0:
yield next(sequence)
elem['length'] -= 1

Лог от изпълнението

EE....EE..EE..
======================================================================
ERROR: test_bg_alphabet (test.TestAlphabet)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 65, in thread
    raise TimeoutError
TimeoutError

======================================================================
ERROR: test_endless_letters_generator (test.TestAlphabet)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 65, in thread
    raise TimeoutError
TimeoutError

======================================================================
ERROR: test_generator_definitions (test.TestIntertwine)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 65, in thread
    raise TimeoutError
TimeoutError

======================================================================
ERROR: test_infinite_intertwined (test.TestIntertwine)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 65, in thread
    raise TimeoutError
TimeoutError

======================================================================
ERROR: test_kwargs_generator (test.TestIntertwine)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 65, in thread
    raise TimeoutError
TimeoutError

======================================================================
ERROR: test_repeating_with_different_args (test.TestIntertwine)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 65, in thread
    raise TimeoutError
TimeoutError

----------------------------------------------------------------------
Ran 14 tests in 12.658s

FAILED (errors=6)

История (1 версия и 1 коментар)

Елена обнови решението на 03.04.2015 02:15 (преди около 9 години)

+def fibonacci():
+ first, second = 1, 1
+ while True:
+ yield first
+ first, second = second, first + second
+
+
+def primes():
+ yield 2
+ n = 2
+ while True:
+ n += 1
+ for p in primes():
+ if p * p > n:
+ yield n
+ break
+ if (n % p) == 0:
+ break
+
+
+def alphabet(code=None, letters=None):
+ if code == 'lat' and not letters:
+ lat_letters = list(map(chr, range(97, 123)))
+ iterator = iter(lat_letters)
+ length = len(lat_letters)
+ if code == 'bg' and not letters:
+ bg_letters = list(map(chr, range(1072, 1103)))
+ iterator = iter(bg_letters)
+ length = len(bg_letters)
+ if letters:
+ iterator = iter(letters)
+ length = len(letters)
+ i = 0
+ while i < length:
+ yield next(iterator)
+ i += 1
+ raise StopIteration
+
+
+def intertwined_sequences(generators, generator_definitions={}):
+ fibonacci_seq = fibonacci()
+ primes_seq = primes()
+ bg_alphabet_seq = alphabet(code='bg')
+ lat_alphabet_seq = alphabet(code='lat')
+ for elem in generators:
+ if 'letters' in elem:
+ letters_seq = alphabet(letters=elem['letters'])
+ if generator_definitions:
+ keys = generator_definitions.keys()
+ values = generator_definitions.values()
+ additional_generators = dict(zip(keys, values))
+ for elem in generators:
+ if elem['sequence'] == 'fibonacci':
+ sequence = fibonacci_seq
+ elif elem['sequence'] == 'primes':
+ sequence = primes_seq
+ elif elem['sequence'] == 'alphabet' and 'letters' in elem:
+ sequence = letters_seq
+ elif elem['sequence'] == 'alphabet' and elem['code'] == 'bg':
+ sequence = bg_alphabet_seq
+ elif elem['sequence'] == 'alphabet' and elem['code'] == 'lat':
+ sequence = lat_alphabet_seq
+ elif generator_definitions:
+ sequence = additional_generators[elem['sequence']]()
+ while elem['length'] > 0:
+ yield next(sequence)
+ elem['length'] -= 1