dsWidths = namedtuple('dsWidths', ('name', 'size', 'time'))
def getFieldWidths(totalwidth : int) -> dsWidths:
return dsWidths(totalwidth-32, 9, 23)
TERMINAL_COLUMNS = getSystemTerm().getSize().cols
class Formatter:
def __init__(self, s:str=''):
self.format = lambda: s
def add(self, field, width):
return Formatter(self.format() + "{0:{1}}".format(field, width))
ellipsizeName = (lambda f, prefix, width:
ellipsize(('' if prefix==None else prefix)+f.name, width)
)
def formatFile (f, widths:dsWidths, prefix:str=None) -> str:
return (Formatter().add(ellipsizeName(f, prefix, widths.name-1), widths.name)
.add(f.size(), widths.size)
.add(f.mtime(), widths.time)
).format()
fill = lambda s, ch: __fill(s, ch, TERMINAL_COLUMNS)
fancy = lambda f, prefix=None: formatFile(f, getFieldWidths(TERMINAL_COLUMNS), prefix)
def test_ellipsize_string_to_smaller_length_should_return_string_with_ellipsis(self):
self.assertEqual('12345...', ellipsize('123456789', 8))
def test_ellipsize_string_to_its_own_length_should_return_string_untouched(self):
self.assertEqual('123456789', ellipsize('123456789', 9))
def test_ellipsize_short_string_to_long_length_should_return_string_untouched(self):
self.assertEqual('asdf', ellipsize('asdf', 10))
def test_ellipsize_empty_string_to_positive_length_should_return_empty_string(self):
self.assertEqual('', ellipsize('', 10))
def test_ellipsize_empty_string_to_zero_length_should_return_empty_string(self):
self.assertEqual('', ellipsize('', 0))