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Ensure that dump_bytes truncates the file it is dumping to

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Kovid Goyal 2017-05-19 18:09:37 +05:30
parent cd1ba334c1
commit 85dbae1de4
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 5 additions and 1 deletions
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6
kitty/window.py
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@ -30,11 +30,13 @@ DYNAMIC_COLOR_CODES = {
19: DynamicColor.highlight_fg,
}
DYNAMIC_COLOR_CODES.update({k+100: v for k, v in DYNAMIC_COLOR_CODES.items()})
dump_bytes_opened = False
class Window:
def __init__(self, tab, child, opts, args):
global dump_bytes_opened
self.tabref = weakref.ref(tab)
self.override_title = None
self.last_mouse_cursor_pos = 0, 0
@ -50,7 +52,9 @@ class Window:
self.screen = Screen(self, 24, 80, opts.scrollback_lines)
self.read_bytes = partial(read_bytes_dump, self.dump_commands) if args.dump_commands or args.dump_bytes else read_bytes
if args.dump_bytes:
self.dump_bytes_to = open(args.dump_bytes, 'ab')
mode = 'ab' if dump_bytes_opened else 'wb'
self.dump_bytes_to = open(args.dump_bytes, mode)
dump_bytes_opened = True
self.draw_dump_buf = []
self.write_buf = memoryview(b'')
self.char_grid = CharGrid(self.screen, opts)