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#!/usr/bin/env python
#############################################################################
##
## This file is part of Taurus
##
## http://taurus-scada.org
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
## Taurus is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## Taurus is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with Taurus. If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################
"""Source code text utilities"""
__all__ = ["get_eol_chars", "get_os_name_from_eol_chars",
"get_eol_chars_from_os_name", "has_mixed_eol_chars",
"fix_indentation"]
__docformat__ = 'restructuredtext'
# Order is important:
EOL_CHARS = (("\r\n", 'nt'), ("\n", 'posix'), ("\r", 'mac'))
def get_eol_chars(text):
"""Get text EOL characters"""
for eol_chars, _os_name in EOL_CHARS:
if text.find(eol_chars) > -1:
return eol_chars
def get_os_name_from_eol_chars(eol_chars):
"""Return OS name from EOL characters"""
for chars, os_name in EOL_CHARS:
if eol_chars == chars:
return os_name
def get_eol_chars_from_os_name(os_name):
"""Return EOL characters from OS name"""
for eol_chars, name in EOL_CHARS:
if name == os_name:
return eol_chars
def has_mixed_eol_chars(text):
"""Detect if text has mixed EOL characters"""
eol_chars = get_eol_chars(text)
if eol_chars is None:
return False
correct_text = eol_chars.join((text+eol_chars).splitlines())
return repr(correct_text) != repr(text)
def fix_indentation(text):
"""Replace tabs by spaces"""
return text.replace('\t', ' '*4)
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