Ported tiff-test.sh
Dan Čermák
8 years ago
parent
085c9715fc
commit
5267123186
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# -*- coding: utf-8 -*-
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import system_tests
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class OutputTagExtract(system_tests.Case):
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"""
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Test whether exiv2 -pa $file and exiv2 -pS $file produces the same output.
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"""
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def parse_pa(self, stdout):
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"""
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Parse the output of exiv2 -pa $file, which looks like this:
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Exif.Image.NewSubfileType Long 1 Primary image
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into a list of dictionaries with the keys:
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tag: last word of the first column (here NewSubfileType)
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type: lowercase second column
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len: third column
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val: fourth column
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It is furthermore checked that the first column begins with 'Exif.Image'
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"""
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data = []
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for line in stdout:
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tmp = line.split()
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exif, image, tag = tmp[0].split('.')
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self.assertEquals(exif, "Exif")
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self.assertEquals(image, "Image")
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data.append({
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"tag": tag,
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"type": tmp[1].lower(),
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"len": int(tmp[2]),
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"val": " ".join(tmp[3:])
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})
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return data
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def parse_pS(self, stdout):
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"""
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Parse the output of exiv2 -pS $file, which looks like this:
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STRUCTURE OF TIFF FILE (II): $file
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address | tag | type | count | offset | value
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254 | 0x00fe NewSubfileType | LONG | 1 | | 0
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...
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END $file
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into a list of dictionaries with the following keys:
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tag: the string after the hex number in the second column
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type: lowercase third column
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len: fourth column
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val: fifth column
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The first two lines and the last line are ignored, as they contain
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explanatory output.
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"""
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data = []
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for i, line in enumerate(stdout):
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if i < 2 or i == len(stdout) - 1:
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continue
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tmp = line.split(" | ")
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data.append({
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"tag": tmp[1].split()[1],
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"type": tmp[2].replace(' ', '').lower(),
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"len": int(tmp[3].replace(' ', '')),
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"val": tmp[5]
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})
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return data
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def compare_pS_pa(self):
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"""
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Compares the output from self.parse_pa() and self.parse_pS() (saved in
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self.pa_data & self.pS_data respectively).
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All dictionaries in the lists are compared for equality for the keys
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tag, len and type but only some for val. This is due to differently
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processed output (exiv2 -pa produces more readable output,
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e.g. compression is written in words and not as a number as it is by
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exiv2 -pS)
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"""
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for pa_elem, pS_elem in zip(self.pa_data, self.pS_data):
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for key in ["tag", "type", "len"]:
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self.assertEquals(pa_elem[key], pS_elem[key])
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if pa_elem["tag"] in [
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"ImageWidth", "ImageLength", "BitsPerSample",
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"DocumentName", "ImageDescription", "StripOffsets",
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"SamplesPerPixel", "StripByteCounts", "PlanarConfiguration"]:
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self.assertEquals(pa_elem["val"], pS_elem["val"])
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def compare_stdout(self, i, command, got_stdout, expected_stdout):
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super().compare_stdout(i, command, got_stdout, expected_stdout)
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if '-pa' in command:
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self.pa_data = self.parse_pa(got_stdout.splitlines())
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if '-pS' in command:
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self.pS_data = self.parse_pS(got_stdout.splitlines())
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if i == 1:
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self.compare_pS_pa()
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commands = [
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"{exiv2} %s {data_path}/mini9.tif" % (opt) for opt in ["-pa", "-pS"]
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]
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stderr = [""] * 2
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retval = [0] * 2
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stdout = [
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"""Exif.Image.NewSubfileType Long 1 Primary image
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Exif.Image.ImageWidth Short 1 9
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Exif.Image.ImageLength Short 1 9
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Exif.Image.BitsPerSample Short 3 8 8 8
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Exif.Image.Compression Short 1 Uncompressed
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Exif.Image.PhotometricInterpretation Short 1 RGB
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Exif.Image.DocumentName Ascii 24 /home/ahuggel/mini9.tif
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Exif.Image.ImageDescription Ascii 18 Created with GIMP
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Exif.Image.StripOffsets Long 1 8
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Exif.Image.Orientation Short 1 top, left
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Exif.Image.SamplesPerPixel Short 1 3
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Exif.Image.RowsPerStrip Short 1 64
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Exif.Image.StripByteCounts Long 1 243
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Exif.Image.XResolution Rational 1 72
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Exif.Image.YResolution Rational 1 72
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Exif.Image.PlanarConfiguration Short 1 1
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Exif.Image.ResolutionUnit Short 1 inch
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""",
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"""STRUCTURE OF TIFF FILE (II): {data_path}/mini9.tif
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address | tag | type | count | offset | value
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254 | 0x00fe NewSubfileType | LONG | 1 | | 0
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266 | 0x0100 ImageWidth | SHORT | 1 | | 9
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278 | 0x0101 ImageLength | SHORT | 1 | | 9
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290 | 0x0102 BitsPerSample | SHORT | 3 | 462 | 8 8 8
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302 | 0x0103 Compression | SHORT | 1 | | 1
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314 | 0x0106 PhotometricInterpretation | SHORT | 1 | | 2
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326 | 0x010d DocumentName | ASCII | 24 | 468 | /home/ahuggel/mini9.tif
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338 | 0x010e ImageDescription | ASCII | 18 | 492 | Created with GIMP
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350 | 0x0111 StripOffsets | LONG | 1 | | 8
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362 | 0x0112 Orientation | SHORT | 1 | | 1
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374 | 0x0115 SamplesPerPixel | SHORT | 1 | | 3
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386 | 0x0116 RowsPerStrip | SHORT | 1 | | 64
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398 | 0x0117 StripByteCounts | LONG | 1 | | 243
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410 | 0x011a XResolution | RATIONAL | 1 | 510 | 1207959552/16777216
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422 | 0x011b YResolution | RATIONAL | 1 | 518 | 1207959552/16777216
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434 | 0x011c PlanarConfiguration | SHORT | 1 | | 1
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446 | 0x0128 ResolutionUnit | SHORT | 1 | | 2
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END {data_path}/mini9.tif
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"""]
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@ -0,0 +1,60 @@
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# -*- coding: utf-8 -*-
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import system_tests
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@system_tests.CopyFiles("{data_path}/mini9.tif")
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class TestTiffTestProg(system_tests.Case):
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commands = ["{tiff-test} {data_path}/mini9_copy.tif"]
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stdout = [
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"""Test 1: Writing empty Exif data without original binary data: ok.
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Test 2: Writing empty Exif data with original binary data: ok.
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Test 3: Wrote non-empty Exif data without original binary data:
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Exif.Image.ExifTag 0x8769 Long 1 26
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Exif.Photo.DateTimeOriginal 0x9003 Ascii 18 Yesterday at noon
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MIME type: image/tiff
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Image size: 9 x 9
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Before
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Exif.Image.NewSubfileType 0x00fe Long 1 0
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Exif.Image.ImageWidth 0x0100 Short 1 9
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Exif.Image.ImageLength 0x0101 Short 1 9
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Exif.Image.BitsPerSample 0x0102 Short 3 8 8 8
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Exif.Image.Compression 0x0103 Short 1 1
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Exif.Image.PhotometricInterpretation 0x0106 Short 1 2
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Exif.Image.DocumentName 0x010d Ascii 24 /home/ahuggel/mini9.tif
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Exif.Image.ImageDescription 0x010e Ascii 18 Created with GIMP
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Exif.Image.StripOffsets 0x0111 Long 1 8
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Exif.Image.Orientation 0x0112 Short 1 1
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Exif.Image.SamplesPerPixel 0x0115 Short 1 3
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Exif.Image.RowsPerStrip 0x0116 Short 1 64
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Exif.Image.StripByteCounts 0x0117 Long 1 243
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Exif.Image.XResolution 0x011a Rational 1 1207959552/16777216
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Exif.Image.YResolution 0x011b Rational 1 1207959552/16777216
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Exif.Image.PlanarConfiguration 0x011c Short 1 1
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Exif.Image.ResolutionUnit 0x0128 Short 1 2
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======
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After
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Exif.Image.NewSubfileType 0x00fe Long 1 0
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Exif.Image.ImageWidth 0x0100 Short 1 9
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Exif.Image.ImageLength 0x0101 Short 1 9
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Exif.Image.BitsPerSample 0x0102 Short 3 8 8 8
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Exif.Image.Compression 0x0103 Short 1 1
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Exif.Image.PhotometricInterpretation 0x0106 Short 1 2
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Exif.Image.DocumentName 0x010d Ascii 24 /home/ahuggel/mini9.tif
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Exif.Image.ImageDescription 0x010e Ascii 18 Created with GIMP
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Exif.Image.StripOffsets 0x0111 Long 1 8
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Exif.Image.Orientation 0x0112 Short 1 1
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Exif.Image.SamplesPerPixel 0x0115 Short 1 3
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Exif.Image.RowsPerStrip 0x0116 Short 1 64
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Exif.Image.StripByteCounts 0x0117 Long 1 243
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Exif.Image.XResolution 0x011a Rational 1 1207959552/16777216
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Exif.Image.YResolution 0x011b Rational 1 1207959552/16777216
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Exif.Image.PlanarConfiguration 0x011c Short 1 1
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Exif.Image.ResolutionUnit 0x0128 Short 1 2
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Exif.Photo.DateTimeOriginal 0x9003 Ascii 18 Yesterday at noon
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"""
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]
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stderr = [""]
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retval = [0]
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