Total refactoring.

engine/ui.py

@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*- from __future__ import unicode_literals
+
+"""
+Author: Sergey Vartanov (me@enzet.ru).
+"""
+
+import sys
+
+
+def parse_options(args):
+    options = {'draw_nodes': True, 'draw_ways': False, 'overlap': 12, 
+               'show_missed_tags': False}
+    args = iter(args[1:])
+    for arg in args:
+        if arg in ['-i', '--input']:
+            options['input_file_name'] = next(args)
+        elif arg in ['-o', '--output']:
+            options['output_file_name'] = next(args)
+        elif arg in ['-bbox', '--boundary-box']:
+            arg = next(args)
+            options['boundary_box'] = map(lambda x: float(x), arg.split(','))
+        elif arg in ['-n', '--draw-nodes']:
+            options['draw_nodes'] = True
+        elif arg in ['-w', '--draw-ways']:
+            options['draw_ways'] = True
+        elif arg in ['-nn', '--no-draw-nodes']:
+            options['draw_nodes'] = False
+        elif arg in ['-nw', '--no-draw-ways']:
+            options['draw_ways'] = False
+        elif arg in ['--show-missed-tags']:
+            options['show_missed_tags'] = True
+        elif arg in ['--no-show-missed-tags']:
+            options['show_missed_tags'] = False
+        elif arg in ['--overlap']:
+            options['overlap'] = int(next(args))
+        elif arg in ['-s', '--size']:
+            options['size'] = map(lambda x: float(x), next(args).split(','))
+        else:
+            print 'Unknown option: ' + arg
+            return None
+    return options
+
+
+def write_line(number, total):
+    length = 20
+    parts = length * 8
+    boxes = [' ', '▏', '▎', '▍', '▌', '▋', '▊', '▉']
+
+    if number == -1:
+        print ('%3s' % '100') + ' % █' + (length * '█') + '█'
+    elif number % 1000 == 0:
+        p = number / float(total)
+        l = int(p * parts)
+        fl = l / 8
+        pr = int(l - fl * 8)
+        print ('%3s' % str(int(p * 1000) / 10)) + ' % █' + (fl * '█') + \
+            boxes[pr] + ((length - fl - 1) * ' ') + '█'
+        sys.stdout.write("\033[F")
+