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Add ASCII logo #1852

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3 changes: 3 additions & 0 deletions lumen/command/ai.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
from ..ai import agents as lumen_agents, llm as lumen_llms # Aliased here
from ..ai.llm import LLM_PROVIDERS, get_available_llm
from ..ai.utils import parse_huggingface_url, render_template
from ..command.ascii_logo import lumen_ascii_logo

CMD_DIR = THIS_DIR / ".." / "command"

Expand Down Expand Up @@ -344,6 +345,8 @@ def main(args=None):
if len(sys.argv) == 1:
sys.argv.extend(["serve", "no_data"])

print("\n" + lumen_ascii_logo(use_color=sys.stderr.isatty()) + "\n", file=sys.stderr) # noqa: T201

sys.argv = transform_cmds(sys.argv)
args = parser.parse_args(sys.argv[1:])

Expand Down
54 changes: 54 additions & 0 deletions lumen/command/ascii_logo.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
"""ASCII art banner for the Lumen CLI (auto-generated by scripts/generate_ascii_logo.py)."""
from __future__ import annotations

_ESC = "\033"


def _build_color_logo() -> str:
E = _ESC
G = f"{E}[38;2;245;185;35m"
R = f"{E}[0m"
lines = [
f" {E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m▄{E}[0m{E}[38;2;40;170;230m▄{E}[0m {E}[38;2;220;65;65m▄{E}[0m{E}[38;2;220;65;65m▄{E}[0m{E}[38;2;220;65;65m▄{E}[0m{E}[38;2;220;65;65m█{E}[0m",
f" {E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m {E}[38;2;220;65;65m▄{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m▀{E}[0m {G}██{R}",
f" {E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m {E}[38;2;220;65;65m▄{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m▀{E}[0m {G}██{R}",
f" {E}[38;2;40;170;230m▀{E}[0m{E}[38;2;40;170;230m▀{E}[0m{E}[38;2;40;170;230m█{E}[0m{E}[38;2;40;170;230m█{E}[0m {E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m█{E}[0m{E}[38;2;220;65;65m▀{E}[0m{E}[38;2;220;65;65m▀{E}[0m {G}██{R}",
f" {G}██ ██ ██ ████████ ▄█▀▀▄ ██▄▄▄▄▄{R}",
f" {E}[38;2;145;55;175m▄{E}[0m{E}[38;2;145;55;175m▄{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m {E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m▄{E}[0m{E}[38;2;245;185;35m▄{E}[0m {G}██ ██ ██ ██ ██ ██ ██▀▀▀ ██ ██{R}",
f" {E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m {E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m▄{E}[0m {G}██ ██ ██ ██ ██ ██ ██ ██ ██{R}",
f" {E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m{E}[38;2;145;55;175m█{E}[0m {E}[38;2;245;185;35m▀{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m{E}[38;2;245;185;35m█{E}[0m {G}█████ ████ ██ ██ ██ ▀███▀ ██ ██{R}",
f" {E}[38;2;145;55;175m▀{E}[0m{E}[38;2;145;55;175m▀{E}[0m {E}[38;2;245;185;35m▀{E}[0m{E}[38;2;245;185;35m▀{E}[0m{E}[38;2;245;185;35m▀{E}[0m{E}[38;2;245;185;35m█{E}[0m",
]
return "\n".join(lines)


_PLAIN_LOGO = (
" ██▄▄ ▄▄▄█\n"
" █████ ▄████▀ ██\n"
" █████ ▄████▀ ██\n"
" ▀▀██ ██▀▀ ██\n"
" ██ ██ ██ ████████ ▄█▀▀▄ ██▄▄▄▄▄\n"
" ▄▄███ ███▄▄ ██ ██ ██ ██ ██ ██ ██▀▀▀ ██ ██\n"
" █████ █████▄ ██ ██ ██ ██ ██ ██ ██ ██ ██\n"
" █████ ▀█████ █████ ████ ██ ██ ██ ▀███▀ ██ ██\n"
" ▀▀ ▀▀▀█\n"
)


_color_cache: str | None = None


def lumen_ascii_logo(use_color: bool = True) -> str:
"""Return the Lumen ASCII logo as a multi-line string.

Parameters
----------
use_color : bool
Embed ANSI 24-bit color codes for blue, red, purple, and gold.
"""
if not use_color:
return _PLAIN_LOGO
global _color_cache # noqa: PLW0603
if _color_cache is None:
_color_cache = _build_color_logo()
return _color_cache
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