import typing
[docs]class Shell:
"""
Generic sh shell.
.. py:data:: name: str = "sh"
"""
name = "sh"
"""
Name of this shell.
"""
command = ["sh"]
"""
Command for starting this shell.
.. versionadded:: 0.6.4
"""
[docs] @staticmethod
def set_prompt(prompt: str) -> str:
"""
Set the prompt of this shell to ``prompt``.
:param str prompt: The new ``PS1``
:rtype: str
:returns: The command to set the prompt in this shell.
"""
return f"PS1='{prompt}'"
[docs] @staticmethod
def set_prompt2(prompt: str) -> typing.Optional[str]:
"""
Set the secondary prompt of this shell to ``prompt``.
:param str prompt: The new ``PS2``
:rtype: str, None
:returns: The command to set PS2 in this shell if it exists.
"""
return f"PS2='{prompt}'"
[docs] @staticmethod
def disable_editing() -> typing.Optional[str]:
"""
Disable readline or equivalents in this shell.
:rtype: str, None
:returns: The command to disable line editing in this shell if it exists.
"""
return "stty cols 1024"
[docs] @staticmethod
def enable_editing() -> typing.Optional[str]:
"""
Enable readline or equivalents in this shell.
:rtype: str, None
:returns: The command to enable line editing in this shell if it exists.
"""
pass
[docs] @staticmethod
def disable_history() -> typing.Optional[str]:
"""
Disable writing to the history file.
:rtype: str, None
:returns: The command to disable history in this shell if it exists.
"""
pass
