Recognize wide characters in description

… by using unicodedata.east_asian_width.

Co-authored-by: RedBug312 <redbug312@gmail.com>

tqdm/std.py

@@ -490,7 +490,7 @@ class tqdm(Comparable):
                 return nobar
             full_bar = Bar(
                 0,
-                max(1, ncols - len(RE_ANSI.sub('', nobar))) if ncols else 10,
+                max(1, ncols - _text_width(RE_ANSI.sub('', nobar))) if ncols else 10,
                 charset=Bar.BLANK)
             return bar_format.format(bar=full_bar, **format_dict)
         else:

tqdm/utils.py

@@ -286,6 +286,7 @@ def _term_move_up():  # pragma: no cover
 
 
 def _text_width(s):  # pragma: no cover
+    # TODO consider using wcswidth third-party package for 0-width characters
     try:
         from unicodedata import east_asian_width
     except ImportError: