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# -*- Mode: Python -*- vi:si:et:sw=4:sts=4:ts=4:syntax=python

class Recipe(recipe.Recipe):
    name = 'docbook-xsl'
    version = '1.79.1'
    licenses = [{License.BSD_like: ['COPYING']}]
    btype = BuildType.CUSTOM
    stype = SourceType.TARBALL
    url = 'sf://docbook/%(name)s-%(version)s.tar.bz2'
    tarball_checksum = '725f452e12b296956e8bfb876ccece71eeecdd14b94f667f3ed9091761a4a968'

    files_catalog = ['etc/catalog.xml']

    async def install(self):
        etc_path =  os.path.join(self.config.prefix, 'etc')
        if not os.path.exists(etc_path):
            os.makedirs(etc_path)
        etc_catalog_path = os.path.join(etc_path, 'catalog.xml')
        new_catalog_path = os.path.join(self.build_dir, 'catalog.xml')

        def read_catalog(path):
            try:
                with open(path, 'r') as f:
                    lines= f.readlines()
                    if len(lines) != 0:
                        lines = lines[2:-1]
            except Exception as ex:
                lines = ['']
            return ''.join(lines)

        etc_catalog_lines = read_catalog(etc_catalog_path)
        new_catalog_lines = read_catalog(new_catalog_path)
        if new_catalog_lines in etc_catalog_lines:
            return
        with open(etc_catalog_path, 'w') as f:
            f.write("<?xml version='1.0'?>\n")
            f.write('<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">\n')
            f.write(etc_catalog_lines)
            f.write("\n")
            f.write(new_catalog_lines)
            f.write("</catalog>")