# Source code for taurus.core.util.sourcecode

    #!/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)