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Use a nicer decorator for functions that only need to be run once

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Kovid Goyal 2021-02-05 10:40:52 +05:30
parent 726d736aac
commit fe07306ff1
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11 changed files with 67 additions and 31 deletions
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8
kittens/diff/render.py
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@ -3,16 +3,17 @@
# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
import warnings
from functools import lru_cache
from gettext import gettext as _
from itertools import repeat, zip_longest
from math import ceil
from typing import Callable, Dict, Generator, Iterable, List, Optional, Tuple
from kitty.fast_data_types import truncate_point_for_length, wcswidth
from kitty.cli_stub import DiffCLIOptions
from kitty.fast_data_types import truncate_point_for_length, wcswidth
from kitty.types import run_once
from kitty.utils import ScreenSize
from ..tui.images import ImageManager, can_display_images
from .collect import (
Collection, Segment, data_for_path, highlights_for_path, is_image,
lines_for_path, path_name_map, sanitize
@ -20,14 +21,13 @@ from .collect import (
from .config import formats
from .diff_speedup import split_with_highlights as _split_with_highlights
from .patch import Chunk, Hunk, Patch
from ..tui.images import ImageManager, can_display_images
class ImageSupportWarning(Warning):
pass
@lru_cache(maxsize=2)
@run_once
def images_supported() -> bool:
ans = can_display_images()
if not ans: