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ext/img_display: support raw img preview in kitty #2931

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ext/img_display: support raw img preview in kitty #2931

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19 changes: 19 additions & 0 deletions ranger/ext/img_display.py
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Original file line number Diff line number Diff line change
Expand Up @@ -791,6 +791,25 @@ def draw(self, path, start_x, start_y, width, height):
if self.needs_late_init:
self._late_init()

dummy, ext = os.path.splitext(path)
if ext == ".ORF":
thumb_ext = ''
try:
import rawpy
except ImportError:
raise ImageDisplayError("Raw image previews in kitty require rawpy")

# convert raw file to tmp thumbnail
with rawpy.imread(path) as raw:
thumb = raw.extract_thumb()
if thumb.format == rawpy.ThumbFormat.JPEG:
thumb_ext = '.jpg'
elif thumb.format == rawpy.ThumbFormat.BITMAP:
thumb_ext = '.tiff'
with NamedTemporaryFile(mode='w+b', prefix='ranger_thumb_', suffix=thumb_ext, delete=False) as tmpf:
tmpf.write(thumb.data)
path = tmpf.name

with warnings.catch_warnings(record=True): # as warn:
warnings.simplefilter('ignore', self.backend.DecompressionBombWarning)
image = self.backend.open(path)
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