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import urwid
import itertools
DEFAULT_CELL_PADDING = 0
def partition(pred, iterable):
'Use a predicate to partition entries into false entries and true entries'
# partition(is_odd, range(10)) --> 0 2 4 6 8 and 1 3 5 7 9
t1, t2 = itertools.tee(iterable)
return itertools.filterfalse(pred, t1), filter(pred, t2)
intersperse = lambda e,l: sum([[x, e] for x in l],[])[:-1]
class DataTableText(urwid.Text):
DEFAULT_END_CHAR = u"\N{HORIZONTAL ELLIPSIS}"
def truncate(self, width, end_char=None):
# raise Exception(width)
text = self.get_text()[0]
max_width = width
if end_char:
if end_char is True:
end_char = self.DEFAULT_END_CHAR
max_width -= len(end_char)
else:
end_char=""
# raise Exception(len(text), max_width)
if len(text) > max_width:
self.set_text(text[:max_width]+end_char)
def __len__(self):
return len(self.get_text()[0])
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