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Only detect support once when testing rendering

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Kovid Goyal 2017-11-07 12:49:39 +05:30
parent 758d315b8e
commit bc0a77ee31
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1 changed files with 2 additions and 1 deletions
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kitty/fonts/render.py
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@ -212,8 +212,9 @@ def test_render_string(text='Hello, world!', family='monospace', size=144.0, dpi
from tempfile import NamedTemporaryFile
from kitty.fast_data_types import concat_cells, current_fonts
from kitty.icat import detect_support, show
if not detect_support():
if not hasattr(test_render_string, 'detected') and not detect_support():
raise SystemExit('Your terminal does not support the graphics protocol')
test_render_string.detected = True
cell_width, cell_height, cells = render_string(text, family, size, dpi)
rgb_data = concat_cells(cell_width, cell_height, tuple(cells))