from __future__ import unicode_literals

from prompt_toolkit.filters import Filter

__all__ = (

'HasSignature',

'ShowSidebar',

'ShowSignature',

'ShowDocstring',

)

class PythonInputFilter(Filter):

def __init__(self, python_input):

self.python_input = python_input

def __call__(self):

raise NotImplementedError

class HasSignature(PythonInputFilter):

def __call__(self):

return bool(self.python_input.signatures)

class ShowSidebar(PythonInputFilter):

def __call__(self):

return self.python_input.show_sidebar

class ShowSignature(PythonInputFilter):

def __call__(self):

return self.python_input.show_signature

class ShowDocstring(PythonInputFilter):

def __call__(self):

return self.python_input.show_docstring