[minicurses] Fix when printing to file

Closes #1215

1 files changed, 22 insertions, 20 deletions

diff --git a/yt_dlp/minicurses.py b/yt_dlp/minicurses.py
index 0e37ed818..a6e159a14 100644
--- a/yt_dlp/minicurses.py
+++ b/yt_dlp/minicurses.py
@@ -1,6 +1,6 @@
 import functools
 from threading import Lock
-from .utils import supports_terminal_sequences, TERMINAL_SEQUENCES
+from .utils import supports_terminal_sequences, TERMINAL_SEQUENCES, write_string
 
 
 class MultilinePrinterBase:
@@ -25,20 +25,26 @@ class MultilinePrinterBase:
             return f'{line + 1}: {text}'
         return text
 
+    def write(self, *text):
+        write_string(''.join(text), self.stream)
+
 
 class QuietMultilinePrinter(MultilinePrinterBase):
     pass
 
 
 class MultilineLogger(MultilinePrinterBase):
+    def write(self, *text):
+        self.stream.debug(''.join(text))
+
     def print_at_line(self, text, pos):
         # stream is the logger object, not an actual stream
-        self.stream.debug(self._add_line_number(text, pos))
+        self.write(self._add_line_number(text, pos))
 
 
 class BreaklineStatusPrinter(MultilinePrinterBase):
     def print_at_line(self, text, pos):
-        self.stream.write(self._add_line_number(text, pos) + '\n')
+        self.write(self._add_line_number(text, pos), '\n')
 
 
 class MultilinePrinter(MultilinePrinterBase):
@@ -58,50 +64,46 @@ class MultilinePrinter(MultilinePrinterBase):
 
     def _move_cursor(self, dest):
         current = min(self._lastline, self.maximum)
-        self.stream.write('\r')
+        yield '\r'
         distance = dest - current
         if distance < 0:
-            self.stream.write(TERMINAL_SEQUENCES['UP'] * -distance)
+            yield TERMINAL_SEQUENCES['UP'] * -distance
         elif distance > 0:
-            self.stream.write(TERMINAL_SEQUENCES['DOWN'] * distance)
+            yield TERMINAL_SEQUENCES['DOWN'] * distance
         self._lastline = dest
 
     @lock
     def print_at_line(self, text, pos):
         if self._HAVE_FULLCAP:
-            self._move_cursor(pos)
-            self.stream.write(TERMINAL_SEQUENCES['ERASE_LINE'])
-            self.stream.write(text)
-            return
+            self.write(*self._move_cursor(pos), TERMINAL_SEQUENCES['ERASE_LINE'], text)
 
         text = self._add_line_number(text, pos)
         textlen = len(text)
         if self._lastline == pos:
             # move cursor at the start of progress when writing to same line
-            self.stream.write('\r')
+            prefix = '\r'
             if self._lastlength > textlen:
                 text += ' ' * (self._lastlength - textlen)
             self._lastlength = textlen
         else:
             # otherwise, break the line
-            self.stream.write('\n')
+            prefix = '\n'
             self._lastlength = textlen
-        self.stream.write(text)
+        self.write(prefix, text)
         self._lastline = pos
 
     @lock
     def end(self):
         # move cursor to the end of the last line, and write line break
         # so that other to_screen calls can precede
-        if self._HAVE_FULLCAP:
-            self._move_cursor(self.maximum)
+        text = self._move_cursor(self.maximum) if self._HAVE_FULLCAP else []
         if self.preserve_output:
-            self.stream.write('\n')
+            self.write(*text, '\n')
             return
 
         if self._HAVE_FULLCAP:
-            self.stream.write(
-                TERMINAL_SEQUENCES['ERASE_LINE']
-                + f'{TERMINAL_SEQUENCES["UP"]}{TERMINAL_SEQUENCES["ERASE_LINE"]}' * self.maximum)
+            self.write(
+                *text, TERMINAL_SEQUENCES['ERASE_LINE'],
+                f'{TERMINAL_SEQUENCES["UP"]}{TERMINAL_SEQUENCES["ERASE_LINE"]}' * self.maximum)
         else:
-            self.stream.write(' ' * self._lastlength)
+            self.write(*text, ' ' * self._lastlength)