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Modernize code to Python 3.6+ and some cleanup

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This commit is contained in:
Miroslav Šedivý
2021-01-31 22:48:38 +01:00
parent 93bb4407fa
commit b69e0c2023
86 changed files with 153 additions and 189 deletions
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6
03-dict-set/support/container_perftest.py
View File

@@ -41,15 +41,15 @@ def test(container_type, verbose):
size=size, verbose=verbose)
test = TEST.format(verbose=verbose)
tt = timeit.repeat(stmt=test, setup=setup, repeat=5, number=1)
print('|{:{}d}|{:f}'.format(size, MAX_EXPONENT + 1, min(tt)))
print(f'|{size:{MAX_EXPONENT + 1}d}|{min(tt):f}')
if __name__=='__main__':
if __name__ == '__main__':
if '-v' in sys.argv:
sys.argv.remove('-v')
verbose = True
else:
verbose = False
if len(sys.argv) != 2:
print('Usage: %s <container_type>' % sys.argv[0])
print(f'Usage: {sys.argv[0]} <container_type>')
else:
test(sys.argv[1], verbose)

14
03-dict-set/support/container_perftest_datagen.py
View File

@@ -2,8 +2,8 @@
Generate data for container performance test
"""
import random
import array
import random
MAX_EXPONENT = 7
HAYSTACK_LEN = 10 ** MAX_EXPONENT
@@ -12,26 +12,26 @@ SAMPLE_LEN = HAYSTACK_LEN + NEEDLES_LEN // 2
needles = array.array('d')
sample = {1/random.random() for i in range(SAMPLE_LEN)}
print('initial sample: %d elements' % len(sample))
sample = {1 / random.random() for i in range(SAMPLE_LEN)}
print(f'initial sample: {len(sample)} elements')
# complete sample, in case duplicate random numbers were discarded
while len(sample) < SAMPLE_LEN:
sample.add(1/random.random())
sample.add(1 / random.random())
print('complete sample: %d elements' % len(sample))
print(f'complete sample: {len(sample)} elements')
sample = array.array('d', sample)
random.shuffle(sample)
not_selected = sample[:NEEDLES_LEN // 2]
print('not selected: %d samples' % len(not_selected))
print(f'not selected: {len(not_selected)} samples')
print(' writing not_selected.arr')
with open('not_selected.arr', 'wb') as fp:
not_selected.tofile(fp)
selected = sample[NEEDLES_LEN // 2:]
print('selected: %d samples' % len(selected))
print(f'selected: {len(selected)} samples')
print(' writing selected.arr')
with open('selected.arr', 'wb') as fp:
selected.tofile(fp)

12
03-dict-set/support/hashdiff.py
View File

@@ -1,17 +1,17 @@
import sys
MAX_BITS = len(format(sys.maxsize, 'b'))
print('%s-bit Python build' % (MAX_BITS + 1))
print(f'{MAX_BITS + 1}-bit Python build')
def hash_diff(o1, o2):
h1 = '{:>0{}b}'.format(hash(o1), MAX_BITS)
h2 = '{:>0{}b}'.format(hash(o2), MAX_BITS)
h1 = f'{hash(o1):>0{MAX_BITS}b}'
h2 = f'{hash(o2):>0{MAX_BITS}b}'
diff = ''.join('!' if b1 != b2 else ' ' for b1, b2 in zip(h1, h2))
count = '!= {}'.format(diff.count('!'))
count = f'!= {diff.count("!")}'
width = max(len(repr(o1)), len(repr(o2)), 8)
sep = '-' * (width * 2 + MAX_BITS)
return '{!r:{width}} {}\n{:{width}} {} {}\n{!r:{width}} {}\n{}'.format(
o1, h1, ' ' * width, diff, count, o2, h2, sep, width=width)
return (f'{o1!r:{width}} {h1}\n{" ":{width}} {diff} {count}\n'
f'{o2!r:{width}} {h2}\n{sep}')
if __name__ == '__main__':
print(hash_diff(1, 1.0))