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src.trezor.utils: split long words in split_words

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Pavol Rusnak 2018-02-27 14:52:21 +01:00
parent 13ffe75a48
commit 865070d083
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1 changed files with 11 additions and 3 deletions
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12
src/trezor/utils.py
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@ -31,12 +31,20 @@ def chunks(items, size):
def split_words(sentence, width, metric=len): def split_words(sentence, width, metric=len):
line = [] line = []
for w in sentence.split(' '): for w in sentence.split(' '):
# empty word -> skip
if not w: if not w:
continue continue
# new word will not fit -> break the line
if metric(' '.join(line + [w])) >= width: if metric(' '.join(line + [w])) >= width:
yield ' '.join(line) yield ' '.join(line)
line = [w] line = []
else: # word is too wide -> split the word
while metric(w) >= width:
for i in range(1, len(w) + 1):
if metric(w[:-i]) < width:
yield w[:-i] + '-'
w = w[-i:]
break
line.append(w) line.append(w)
yield ' '.join(line) yield ' '.join(line)