def test_exifgetter(key, expected):
exif_data = {
'Model': {'desc': 'Camera Model Name', 'val': 'DMC-GX7'},
'Aperture': {'desc': 'Aperture', 'val': 1.7},
'FileSize': {'desc': 'File Size', 'num': 4915200, 'val': '4.7 MB'},
}
assert getters.exifgetter(key)(exif_data) == expected
class Image(models.Model):
image = models.ImageField()
camera = models.CharField(
editable=False,
max_length=100,
)
exif = ExifField(
source='image',
denormalized_fields={'camera': exifgetter('Model')},
)
class Meta:
app_label = 'tests'
class UploadedImage(models.Model):
objects = None
image = models.ImageField(upload_to="media", blank=True)
camera = models.CharField(
editable=False,
max_length=100,
)
exif = ExifField(
source='image',
denormalized_fields={
'camera': exifgetter('Model'),
},
)