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rtv/__main__.py

@@ -59,7 +59,8 @@ def command_line():
 
     parser.add_argument('-s', dest='subreddit', help='subreddit name')
     parser.add_argument('-l', dest='link', help='full link to a submission')
-    parser.add_argument('--unicode', help='enable unicode (experimental)')
+    parser.add_argument('--unicode', action='store_const', const=False,
+                        help='enable unicode (experimental)')
     parser.add_argument('--log', metavar='FILE', action='store',
                         help='Log HTTP requests')
 

rtv/curses_helpers.py

@@ -5,8 +5,6 @@
 from curses import textpad, ascii
 from contextlib import contextmanager
 
-from kitchen.text.display import textual_width, textual_width_chop
-
 from .docs import HELP
 from .helpers import strip_textpad, clean
 from .exceptions import EscapeInterrupt
@@ -66,13 +64,9 @@ def add_line(window, text, row=None, col=None, attr=None):
         # Trying to draw outside of the screen bounds
         return
 
-    text = clean(text)
-    text = textual_width_chop(text, n_cols)
-
-    if attr is None:
-        window.addnstr(row, col, text, n_cols)
-    else:
-        window.addnstr(row, col, text, n_cols, attr)
+    text = clean(text, n_cols)
+    params = [] if attr is None else [attr]
+    window.addstr(row, col, text, *params)
 
 
 def show_notification(stdscr, message):

rtv/helpers.py

@@ -5,7 +5,8 @@
 from tempfile import NamedTemporaryFile
 
 # kitchen solves deficiencies in textwrap's handling of unicode characters
-from kitchen.text.display import wrap
+from kitchen.text.display import wrap, textual_width_chop
+import six
 
 from . import config
 from .exceptions import ProgramError
@@ -56,7 +57,7 @@ def open_browser(url):
         subprocess.check_call(args, stdout=null, stderr=null)
 
 
-def clean(string):
+def clean(string, n_cols=None):
     """
     Required reading!
         http://nedbatchelder.com/text/unipain.html
@@ -75,9 +76,19 @@ def clean(string):
     If utf-8 is passed in, addnstr will treat each 'byte' as a single character.
     """
 
+    if n_cols is not None and n_cols <= 0:
+        return ''
+
     if not config.unicode:
-        string = string.encode('ascii', 'replace')
-    return string
+        if six.PY3 or isinstance(string, unicode):
+            string = string.encode('ascii', 'replace')
+        return string[:n_cols] if n_cols else string
+    else:
+        if n_cols:
+            string = textual_width_chop(string, n_cols)
+        if six.PY3 or isinstance(string, unicode):
+            string = string.encode('utf-8')
+        return string
 
 
 def wrap_text(text, width):