def xhtml_escape(value):
    return _XHTML_ESCAPE_RE.sub(lambda match: _XHTML_ESCAPE_DICT[match.group(0)],
                                to_basestring(value))
Gets the sources from a ".lst" file. Each line of this file describes a source using:
dataset/ETHPy150Open limodou/uliweb/uliweb/core/template.py/xhtml_escape--crossover with--dataset/ETHPy150Open victor-gil-sepulveda/pyProCT/pyproct/data/handler/sourceGenerator.py/SourceGenerator.get_sources_from_file_list