python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2024-09-20 19:08:58 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add TypeError handling to pass corrupted dpi value in exif

Browse Source
This commit is contained in:
Alexander Karpinsky 2021-07-26 16:13:01 +03:00
parent 55cec2a0d0
commit 3abe5e884b
3 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
Tests/images/broken_exif_dpi.jpg Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 7.6 KiB

9
Tests/test_file_jpeg.py
View File

@ -718,6 +718,15 @@ class TestFileJpeg:
# This should return the default, and not raise a ZeroDivisionError
assert im.info.get("dpi") == (72, 72)
def test_dpi_exif_string(self):
# Arrange
# 0x011A tag in this exif contains string '300300\x02'
with Image.open("Tests/images/broken_exif_dpi.jpg") as im:
# Act / Assert
# This should return the default
assert im.info.get("dpi") == (72, 72)
def test_no_dpi_in_exif(self):
# Arrange
# This is photoshop-200dpi.jpg with resolution removed from EXIF:

2
src/PIL/JpegImagePlugin.py
View File

@ -168,7 +168,7 @@ def APP(self, marker):
# 1 dpcm = 2.54 dpi
dpi *= 2.54
self.info["dpi"] = dpi, dpi
except (KeyError, SyntaxError, ValueError, ZeroDivisionError):
except (TypeError, KeyError, SyntaxError, ValueError, ZeroDivisionError):
# SyntaxError for invalid/unreadable EXIF
# KeyError for dpi not included
# ZeroDivisionError for invalid dpi rational value