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XResolution is not a tuple #10360

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Merged
radarhere merged 2 commits into from
Oct 30, 2026
Merged

XResolution is not a tuple #10360

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2aa4e85
XResolution is not a tuple
radarhere Oct 29, 2026
ea021c0
Simplify code
radarhere Oct 29, 2026
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11 changes: 3 additions & 8 deletions src/PIL/JpegImagePlugin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -520,27 +520,22 @@ def _read_dpi_from_exif(self) -> None:
return
try:
exif = self.getexif()
x_resolution = exif[0x011A]
try:
dpi = float(x_resolution[0]) / x_resolution[1]
except TypeError:
dpi = x_resolution
dpi = exif[0x011A]
if math.isnan(dpi):
msg = "DPI is not a number"
raise ValueError(msg)
if exif.get(0x0128) == 3: # ResolutionUnit is cm
# 1 dpcm = 2.54 dpi
dpi *= 2.54
self.info["dpi"] = dpi, dpi
except (
struct.error, # truncated EXIF
KeyError, # dpi not included
SyntaxError, # invalid/unreadable EXIF
TypeError, # dpi is an invalid float
ValueError, # dpi is an invalid float
ZeroDivisionError, # invalid dpi rational value
):
self.info["dpi"] = 72, 72
dpi = 72
self.info["dpi"] = dpi, dpi

def _getmp(self) -> dict[int, Any] | None:
return _getmp(self)
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