write regex captures to parquet arrays.

wikiq

@@ -202,7 +202,7 @@ class RegexPair(object):
             if type(content) in(str, bytes):
                 if self.pattern.search(content) is not None:
                     m = self.pattern.findall(content)
-                    temp_dict[self.label] = ', '.join(m)
+                    temp_dict[self.label] = m
                 else:
                     temp_dict[self.label] = None
 
@@ -297,6 +297,9 @@ class RevDataBase():
             elif f.type == list[int]:
                 row.append('"' + ",".join([str(x) for x in val]) + '"')
 
+            elif f.type == list[str]:
+                row.append('"' + ",".join([(x) for x in val]) + '"')
+
             elif f.type == str:
                 if self.urlencode and f.name in TO_ENCODE:
                     row.append(quote(str(val)))
@@ -688,6 +691,7 @@ class WikiqParser():
         
     # depending on if we are configured to write tsv or parquet, we'll call a different function.
     def print_rev_data(self, rev_data):
+
         if self.output_parquet is False:
             printfunc = self.write_tsv_row
         else:
@@ -840,7 +844,7 @@ if len(args.dumpfiles) > 0:
             filename = os.path.join(output_dir, os.path.basename(filename))
             output_file = get_output_filename(filename, parquet = output_parquet)
 
-        print(args.siteinfo)
+        print(args.siteinfo, file=sys.stderr)
         wikiq = WikiqParser(input_file,
                             output_file,
                             collapse_user=args.collapse_user,