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# Copyright 2022 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Contains a utility for good-looking prints."""
import os
from typing import List, Union
class ANSI:
"""
Helper for en.wikipedia.org/wiki/ANSI_escape_code
"""
_bold = "\u001b[1m"
_gray = "\u001b[90m"
_red = "\u001b[31m"
_reset = "\u001b[0m"
@classmethod
def bold(cls, s: str) -> str:
return cls._format(s, cls._bold)
@classmethod
def gray(cls, s: str) -> str:
return cls._format(s, cls._gray)
@classmethod
def red(cls, s: str) -> str:
return cls._format(s, cls._bold + cls._red)
@classmethod
def _format(cls, s: str, code: str) -> str:
if os.environ.get("NO_COLOR"):
# See https://no-color.org/
return s
return f"{code}{s}{cls._reset}"
def tabulate(rows: List[List[Union[str, int]]], headers: List[str]) -> str:
"""
Inspired by:
- stackoverflow.com/a/8356620/593036
- stackoverflow.com/questions/9535954/printing-lists-as-tabular-data
"""
col_widths = [max(len(str(x)) for x in col) for col in zip(*rows, headers)]
row_format = ("{{:{}}} " * len(headers)).format(*col_widths)
lines = []
lines.append(row_format.format(*headers))
lines.append(row_format.format(*["-" * w for w in col_widths]))
for row in rows:
lines.append(row_format.format(*row))
return "\n".join(lines)
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