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#!/usr/bin/env python
from prompt_toolkit import prompt
from prompt_toolkit.formatted_text import HTML
def prompt_continuation(width, line_number, wrap_count):
"""
The continuation: display line numbers and '->' before soft wraps.
Notice that we can return any kind of formatted text from here.
The prompt continuation doesn't have to be the same width as the prompt
which is displayed before the first line, but in this example we choose to
align them. The `width` input that we receive here represents the width of
the prompt.
"""
if wrap_count > 0:
return " " * (width - 3) + "-> "
else:
text = ("- %i - " % (line_number + 1)).rjust(width)
return HTML("<strong>%s</strong>") % text
if __name__ == "__main__":
print("Press [Meta+Enter] or [Esc] followed by [Enter] to accept input.")
answer = prompt(
"Multiline input: ", multiline=True, prompt_continuation=prompt_continuation
)
print("You said: %s" % answer)
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