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# Copyright 2014 Open Source Robotics Foundation, Inc.
#
# 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.
"""Provides regular expression functions for matching ansi escape sequences."""
import re
_ansi_re = re.compile(r'\033\[\d{1,2}[m]')
_ansi_re_group = re.compile(r'(\033\[\d{1,2}[m])')
def split_by_ansi_escape_sequence(string, include_delimiters=False):
"""
Splits a string into a list using any ansi escape sequence as a delimiter.
:param string: string to be split
:type string: str
:param include_delimiters: If True include matched escape sequences in
the list (default: False)
:type include_delimiters: bool
:returns: list of strings, split from original string by escape sequences
:rtype: list
"""
global _ansi_re, _ansi_re_group
if include_delimiters:
return _ansi_re_group.split(string)
return _ansi_re.split(string)
def remove_ansi_escape_sequences(string):
"""
Removes any ansi escape sequences found in the given string and returns it.
"""
global _ansi_re
return _ansi_re.sub('', string)
# Backwards compatibility
remove_ansi_escape_senquences = remove_ansi_escape_sequences
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