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import os
import sys
import argparse


try:
    import xml.etree.ElementTree as etree
except Exception:
    print()
    print("lxml , module Not Found")
    print("Install: pip install lxml")
    sys.exit(1)

try:
    import unicodecsv as csv
except Exception:
    print()
    print("unicodecsv , module Not Found")
    print("Install: pip install unicodecsv")
    sys.exit(1)


parser = argparse.ArgumentParser(
    description='Converte XML para CSV - Mantis Geobit')
parser.add_argument('path', help='Path of xml file')
parser.add_argument(
    '-d', action='store', dest='destiny', help='Destiny of csv file')
options = parser.parse_args()


def main():
    xml_path = options.path
    if options.destiny:
        csv_path = options.destiny
    else:
        xml_fname = os.path.basename(xml_path)
        csv_path = os.path.join(
            os.path.dirname(xml_path), os.path.splitext(xml_fname)[0] + ".csv")

    try:
        os.remove(csv_path)
    except OSError:
        pass

    tree = etree.parse(xml_path)
    root = tree.getroot()
    els = []
    for child in root:
        report = child.find('reporter').text
        id_el = child.find('id').text
        handler = child.find('handler')
        if hasattr(handler, 'text'):
            handler = handler.text
        else:
            handler = ''
        summary = child.find('summary').text
        horas = '0'
        for it in child.find('custom_fields').iter('custom_field'):
            if it.find('id').text == '1':
                horas = it.find('value').text

        els.append((report, handler, id_el, summary, horas))

    with open(csv_path, "wb") as csv_file:
        writer = writer = csv.writer(
            csv_file, dialect='excel', delimiter=";", encoding="utf-8-sig")
        writer.writerow(['reportou', 'admitiu', 'id', 'demanda', 'horas'])
        for line in els:
            writer.writerow(line)

if __name__ == "__main__":
    main()