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Fix saving originally missing TIFF tags.

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Don't incorrectly set the tag type to None if it was originally missing.
This commit is contained in:
Antony Lee 2016-09-16 11:07:25 -07:00
parent 6e7553fb0f
commit 7e9c944caf
2 changed files with 11 additions and 1 deletions
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2
PIL/TiffImagePlugin.py
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@ -1359,7 +1359,7 @@ def _save(im, fp, filename):
IPTC_NAA_CHUNK, PHOTOSHOP_CHUNK, XMP):
if key in im.tag_v2:
ifd[key] = im.tag_v2[key]
ifd.tagtype[key] = im.tag_v2.tagtype.get(key, None)
ifd.tagtype[key] = im.tag_v2.tagtype[key]
# preserve ICC profile (should also work when saving other formats
# which support profiles as TIFF) -- 2008-06-06 Florian Hoech

10
Tests/test_file_tiff.py
View File

@ -1,5 +1,6 @@
from __future__ import print_function
import logging
from io import BytesIO
import struct
from helper import unittest, PillowTestCase, hopper, py3
@ -103,6 +104,15 @@ class TestFileTiff(PillowTestCase):
im._setup()
self.assertEqual(im.info['dpi'], (71., 71.))
def test_save_setting_missing_resolution(self):
from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION
b = BytesIO()
Image.open("Tests/images/10ct_32bit_128.tiff").save(
b, format="tiff", resolution=123.45)
im = Image.open(b)
self.assertEqual(float(im.tag_v2[X_RESOLUTION]), 123.45)
self.assertEqual(float(im.tag_v2[Y_RESOLUTION]), 123.45)
def test_invalid_file(self):
invalid_file = "Tests/images/flower.jpg"