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73 lines
1.8 KiB
73 lines
1.8 KiB
from __future__ import unicode_literals
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from prompt_toolkit.application.current import get_app
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from prompt_toolkit.eventloop.context import TaskLocal, TaskLocalNotSetError
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from prompt_toolkit.utils import is_windows
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from .base import Input
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import sys
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__all__ = [
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'create_input',
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'create_pipe_input',
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'get_default_input',
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'set_default_input',
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]
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def create_input(stdin=None):
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stdin = stdin or sys.stdin
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if is_windows():
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from .win32 import Win32Input
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return Win32Input(stdin)
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else:
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from .vt100 import Vt100Input
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return Vt100Input(stdin)
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def create_pipe_input():
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"""
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Create an input pipe.
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This is mostly useful for unit testing.
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"""
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if is_windows():
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from .win32_pipe import Win32PipeInput
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return Win32PipeInput()
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else:
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from .posix_pipe import PosixPipeInput
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return PosixPipeInput()
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_default_input = TaskLocal()
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def get_default_input():
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"""
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Get the input class to be used by default.
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Called when creating a new Application(), when no `Input` has been passed.
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"""
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# Other create/return the default input.
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try:
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value = _default_input.get()
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except TaskLocalNotSetError:
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# If an application is already running, take the input from there.
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# (This is important for the "ENTER for continue" prompts after
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# executing system commands and displaying readline-style completions.)
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app = get_app(return_none=True)
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if app:
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return app.input
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return create_input()
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else:
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return value
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def set_default_input(input):
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"""
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Set the default `Input` class.
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(Used for instance, for the telnet submodule.)
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"""
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assert isinstance(input, Input)
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_default_input.set(input)
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