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Diffstat (limited to 'examples/prompts/fancy-zsh-prompt.py')
-rwxr-xr-x | examples/prompts/fancy-zsh-prompt.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/examples/prompts/fancy-zsh-prompt.py b/examples/prompts/fancy-zsh-prompt.py new file mode 100755 index 0000000..4761c08 --- /dev/null +++ b/examples/prompts/fancy-zsh-prompt.py @@ -0,0 +1,79 @@ +#!/usr/bin/env python +""" +Example of the fancy ZSH prompt that @anki-code was using. + +The theme is coming from the xonsh plugin from the xxh project: +https://github.com/xxh/xxh-plugin-xonsh-theme-bar + +See: +- https://github.com/xonsh/xonsh/issues/3356 +- https://github.com/prompt-toolkit/python-prompt-toolkit/issues/1111 +""" +import datetime + +from prompt_toolkit import prompt +from prompt_toolkit.application import get_app +from prompt_toolkit.formatted_text import ( + HTML, + fragment_list_width, + merge_formatted_text, + to_formatted_text, +) +from prompt_toolkit.styles import Style + +style = Style.from_dict( + { + "username": "#aaaaaa italic", + "path": "#ffffff bold", + "branch": "bg:#666666", + "branch exclamation-mark": "#ff0000", + "env": "bg:#666666", + "left-part": "bg:#444444", + "right-part": "bg:#444444", + "padding": "bg:#444444", + } +) + + +def get_prompt() -> HTML: + """ + Build the prompt dynamically every time its rendered. + """ + left_part = HTML( + "<left-part>" + " <username>root</username> " + " abc " + "<path>~/.oh-my-zsh/themes</path>" + "</left-part>" + ) + right_part = HTML( + "<right-part> " + "<branch> master<exclamation-mark>!</exclamation-mark> </branch> " + " <env> py36 </env> " + " <time>%s</time> " + "</right-part>" + ) % (datetime.datetime.now().isoformat(),) + + used_width = sum( + [ + fragment_list_width(to_formatted_text(left_part)), + fragment_list_width(to_formatted_text(right_part)), + ] + ) + + total_width = get_app().output.get_size().columns + padding_size = total_width - used_width + + padding = HTML("<padding>%s</padding>") % (" " * padding_size,) + + return merge_formatted_text([left_part, padding, right_part, "\n", "# "]) + + +def main() -> None: + while True: + answer = prompt(get_prompt, style=style, refresh_interval=1) + print("You said: %s" % answer) + + +if __name__ == "__main__": + main() |