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cowsay.py
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cowsay.py
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'''
author: Jacob Egner
date: 2015-07-31
island: electronic station
puzzle URLs:
http://www.checkio.org/mission/cowsay/
https://github.com/Cjkjvfnby/checkio-task-what-does-the-cow-say
https://github.com/omfgnuts/checkio-task-what-does-the-cow-say
for latest versions of my solutions, see my checkio solution github repo:
https://github.com/jmegner/CheckioPuzzles
'''
COW = r'''
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
'''
def cowsay(text):
textLines = getTextLines(text)
bubbleLines = getBubbleLines(textLines)
cowStr = '\n' + '\n'.join(bubbleLines) + COW
return cowStr
def getTextLines(text):
maxCharsPerLine = 39
lines = []
# get leading whitespace, middle tokens, and trailing whitespace
tokens = [''] * (text[0] == ' ')
tokens.extend(text.split())
tokens.extend([''] * (len(text) > 1 and text[-1] == ' '))
for token in tokens:
if not lines or len(lines[-1]) == maxCharsPerLine:
lines.append('')
needSpace = lines[-1] and lines[-1][-1] != ' ' or not token
lineLenWithToken = len(lines[-1]) + needSpace + len(token)
# if token will fit on line
if lineLenWithToken <= maxCharsPerLine:
lines[-1] += ' ' * needSpace + token
# else token won't fit on this line
else:
while token:
if lines[-1]:
lines.append('')
lines[-1] += token[:maxCharsPerLine]
token = token[maxCharsPerLine:]
return lines
def getBubbleLines(textLines):
maxTextLineLen = max(map(len, textLines))
bubbleLines = [' ' + '_' * (maxTextLineLen + 2)]
for lineIdx, textLine in enumerate(textLines):
if len(textLines) == 1:
leftBorder = '< '
rightBorder = ' >'
elif lineIdx == 0:
leftBorder = '/ '
rightBorder = ' \\'
elif lineIdx == len(textLines) - 1:
leftBorder = '\\ '
rightBorder = ' /'
else:
leftBorder = '| '
rightBorder = ' |'
spacePadding = ' ' * (maxTextLineLen - len(textLine))
bubbleLines.append(leftBorder + textLine + spacePadding + rightBorder)
bubbleLines.append(' ' + '-' * (maxTextLineLen + 2))
return bubbleLines
if __name__ == '__main__':
expected_cowsay_one_line = r'''
________________
< Checkio rulezz >
----------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
'''
expected_cowsay_two_lines = r'''
________________________________________
/ A \
\ longtextwithonlyonespacetofittwolines. /
----------------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
'''
expected_cowsay_many_lines = r'''
_________________________________________
/ Lorem ipsum dolor sit amet, consectetur \
| adipisicing elit, sed do eiusmod tempor |
| incididunt ut labore et dolore magna |
\ aliqua. /
-----------------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
'''
base_in_long_without_spaces_two_lines = 'looooooooooooooooooooooooooooooooooooong'
base_out_long_without_spaces_two_lines = r'''
_________________________________________
/ looooooooooooooooooooooooooooooooooooon \
\ g /
-----------------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
'''
in_space_a = ' a'
expected_space_a = r'''
____
< a >
----
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
'''
cowsay_one_line = cowsay('Checkio rulezz')
assert cowsay_one_line == expected_cowsay_one_line, 'Wrong answer:\n%s' % cowsay_one_line
cowsay_two_lines = cowsay('A longtextwithonlyonespacetofittwolines.')
assert cowsay_two_lines == expected_cowsay_two_lines, 'Wrong answer:\n%s' % cowsay_two_lines
cowsay_many_lines = cowsay(
'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do '
'eiusmod tempor incididunt ut labore et dolore magna aliqua.')
assert cowsay_many_lines == expected_cowsay_many_lines, 'Wrong answer:\n%s' % cowsay_many_lines
long1 = cowsay(base_in_long_without_spaces_two_lines)
assert long1 == base_out_long_without_spaces_two_lines, 'Wrong answer:\n%s' % long1
out_space_a = cowsay(in_space_a)
assert out_space_a == expected_space_a, 'Wrong answer:\n%s' % long1