93 lines
1.7 KiB
Python
93 lines
1.7 KiB
Python
from prompt_toolkit.styles import Style
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from prompt_toolkit.formatted_text import HTML
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from prompt_toolkit import print_formatted_text as printf
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from importlib.metadata import version
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style = Style.from_dict({ # type: ignore
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# Basic formatting
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"text": "#FFFFFF",
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"warn": "#FFA700",
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"err": "#FF3809",
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"prompt": "#05CFFF",
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"ok": "#00EF7C",
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"code": "#AAAAAA italic",
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"muted": "#AAAAAA",
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# Command formatting
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# cmd_h: section titles
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# cmd_key: keyboard keys, usually one character
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"cmd_h": "#FF3809 bold",
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"cmd_key": "#00EF7C bold",
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# Only used in greeting
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"_v": "#00EF7C bold",
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"_l": "#FF3809 bold",
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"_s": "#00EF7C bold",
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"_p": "#AAAAAA"
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})
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def show_greeting():
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# | _.._ _.|_
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# |_(_|| | ||_)
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# 0.0.0
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#
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# __ __
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# ,-` `` `,
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# (` \ )
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# (` \ `)
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# (, / \ _)
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# (` / \ )
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# `'._.--._.'
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#
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# A λ calculus engine
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printf(HTML("\n".join([
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"",
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"<_h> | _.._ _.|_",
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" |_(_|| | ||_)</_h>",
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f" <_v>{version('lamb')}</_v>",
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" __ __",
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" ,-` `` `,",
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" (` <_l>\\</_l> )",
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" (` <_l>\\</_l> `)",
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" (, <_l>/ \\</_l> _)",
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" (` <_l>/ \\</_l> )",
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" `'._.--._.'",
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"",
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"<_s> A λ calculus engine</_s>",
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"<_p> Type :help for help</_p>",
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""
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])), style = style)
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def subscript(num: int):
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sub = {
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"0": "₀",
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"1": "₁",
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"2": "₂",
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"3": "₃",
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"4": "₄",
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"5": "₅",
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"6": "₆",
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"7": "₇",
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"8": "₈",
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"9": "₉"
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}
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sup = {
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"0": "⁰",
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"1": "¹",
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"2": "²",
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"3": "³",
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"4": "⁴",
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"5": "⁵",
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"6": "⁶",
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"7": "⁷",
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"8": "⁸",
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"9": "⁹"
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}
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return "".join(
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[sup[x] for x in str(num)]
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) |