Image Metadata¶
Thumbor uses piexif to read and write image metadata.
The image metadata is available in engine.metadata.
Reading and writing Metadata¶
Let’s retrieve a list of all the available EXIF tags available in the image:
>>> engine.metadata
{
'0th': {
271: b'Canon',
272: b'Canon EOS 5D Mark III',
282: (300, 1),
283: (300, 1),
296: 2,
305: b'Adobe Photoshop Lightroom 4.4 (Macintosh)',
306: b'2016:06:24 14:45:44',
34665: 216
},
'Exif': {
33434: (1, 100),
33437: (56, 10),
34850: 1,
34855: 640,
34864: 2,
34866: 640,
36864: b'0230',
36867: b'2016:06:23 13:18:05',
36868: b'2016:06:23 13:18:05',
37377: (6643856, 1000000),
37378: (4970854, 1000000),
37380: (0, 1),
37381: (3, 1),
37383: 5,
37385: 16,
37386: (123, 1),
37521: b'91',
37522: b'91',
41486: (5242880, 32768),
41487: (5242880, 32768),
41488: 4,
41985: 0,
41986: 1,
41987: 1,
41990: 0,
42033: b'042024004240',
42034: ((70, 1), (200, 1), (0, 0), (0, 0)),
42036: b'EF70-200mm f/2.8L IS II USM',
42037: b'0000c139be'},
'GPS': {},
'Interop': {},
'1st': {},
'thumbnail': None
}
The reference to the values can be found here Exif values <https://github.com/hMatoba/Piexif/blob/master/piexif/_exif.py>
>>> tag = metadata["Exif"][piexif.ExifIFD.DateTimeOriginal]
"2016:06:23 13:18:05"