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1 Examples
0
Example 1
Project: promptastic Source File: promptastic.py
def _compute_padding_length_first_line(self):
"""
Compute the padding length, which is the number of empty spaces to place between
the left part and the right part.
"""
# Check whether the right part starts with a Divider.
right_starts_w_divider = (True if self.first_line_right and
isinstance(self.first_line_right[0], basics.Divider) else False)
# Terminal width.
cols = get_terminal_columns_n()
# Total length of the text (without the initial divider of the right part, in case).
text_len = (self._get_total_segments_length(self.first_line_left) +
self._get_total_segments_length(self.first_line_right))
text_len -= basics.Divider().length() if right_starts_w_divider else 0
# Padding dimension formula.
padding_len = cols - (text_len % cols)
# If the padding length is exactly one column, then we don't need padding at all.
if padding_len == cols:
padding_len = 0
# And we also don't need the initial divider in the right part.
if right_starts_w_divider:
self.first_line_right.pop(0)
# Else: remove from padding_len the length of the initial divider, in case.
else:
padding_len -= basics.Divider().length() if right_starts_w_divider else 0
return padding_len