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langchain/langchain/input.py

30 lines
920 B
Python

"""Handle chained inputs."""
from typing import Dict, List, Optional
_TEXT_COLOR_MAPPING = {
"blue": "36;1",
"yellow": "33;1",
"pink": "38;5;200",
"green": "32;1",
}
def get_color_mapping(
items: List[str], excluded_colors: Optional[List] = None
) -> Dict[str, str]:
"""Get mapping for items to a support color."""
colors = list(_TEXT_COLOR_MAPPING.keys())
if excluded_colors is not None:
colors = [c for c in colors if c not in excluded_colors]
color_mapping = {item: colors[i % len(colors)] for i, item in enumerate(items)}
return color_mapping
def print_text(text: str, color: Optional[str] = None, end: str = "") -> None:
"""Print text with highlighting and no end characters."""
if color is None:
print(text, end=end)
else:
color_str = _TEXT_COLOR_MAPPING[color]
print(f"\u001b[{color_str}m\033[1;3m{text}\u001b[0m", end=end)