support authors

amazon-order-confirmation-mail-parser

@@ -37,6 +37,7 @@ def parse(msg):
     for article_text in articles_text.split('\n\n'):
         article_match = re.match(
             ur' *(?P<name>.*)\s'
+                + ur'( *von (?P<authors>.*)\s)?'
                 + ur' *(?P<price_brutto_currency>[A-Z]+) (?P<price_brutto>\d+,\d+)\s'
                 + ur'( *Zustand: (?P<state>.*)\s)?'
                 + ur' *Verkauft von: (?P<reseller>.*)'
@@ -48,6 +49,10 @@ def parse(msg):
             sys.stderr.write(repr(article_text))
             raise Exception('could not match article')
         article = article_match.groupdict()
+        if article['authors']:
+            article['authors'] = article['authors'].split(',')
+        else:
+            del article['authors']
         article['price_brutto'] = float(article['price_brutto'].replace(',', '.'))
         order['articles'].append(article)