Codestyle enhacements

hocr-combine

@@ -1,33 +1,42 @@
 #!/usr/bin/env python3.7
 # coding=utf-8
 
-""""Combine multiple hOCR files."""
+''' Combine multiple hOCR files. '''
 
 from argparse import ArgumentParser
 from lxml import html
 
 
 parser = ArgumentParser(description='Combine multiple hOCR files.')
-parser.add_argument('file', help='Input file(s)', nargs='+')
-parser.add_argument('-o', '--output-file', help='Output file', required=True)
+parser.add_argument(
+    '-i', '--input-file',
+    help='Input file',
+    nargs='+',
+    required=True
+)
+parser.add_argument(
+    '-o', '--output-file',
+    help='Output file',
+    required=True
+)
 args = parser.parse_args()
+print(args)
 
-
-for file in args.file:
-    files = []
-    if file.startswith('@'):
-        with open(file[1:], 'r') as f:
-            files += [x for x in f.read().split("\n") if x != '']
+for input_file in args.input_file:
+    input_files = []
+    if input_file.startswith('@'):
+        with open(input_file[1:], 'r') as f:
+            input_files += [x for x in f.read().split("\n") if x != '']
     else:
-        files.append(file)
-if len(files) == 0:
+        input_files.append(input_file)
+if len(input_files) == 0:
     exit(1)
 
 
-hocr = html.parse(files[0])
+hocr = html.parse(input_files[0])
 hocr_body = hocr.find('body')
-for file in files[1:]:
-    for ocr_page in html.parse(file).findall('//div[@class="ocr_page"]'):
+for input_file in input_files[1:]:
+    for ocr_page in html.parse(input_file).findall('//div[@class="ocr_page"]'):
         hocr_body.append(ocr_page)