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from PIL import Image
from PIL import ExifTags
exposure_programs = [
'Not defined',
'Manual',
'Normal program',
'Aperture priority',
'Shutter priority',
'Creative program',
'Action program',
'Portrait mode',
'Landscape mode'
]
def get_exif(image: Image):
_exif = {}
info = image._getexif()
for tag, value in info.items():
decoded = ExifTags.TAGS.get(tag, tag)
_exif[decoded] = value
return {
'ISOSpeedRatings': get_int(_exif, 'ISOSpeedRatings'),
'FocalLength': get_string(_exif, 'FocalLengthIn35mmFilm') if 'FocalLengthIn35mmFilm' in _exif
else parse_tuple(_exif, 'FocalLength'),
'FNumber': parse_tuple(_exif, 'FNumber'),
'ExposureTime': parse_tuple(_exif, 'ExposureTime', True),
'Make': get_string(_exif, 'Make'),
'Model': get_string(_exif, 'Model'),
'ExposureProgram': get_value(_exif, 'ExposureProgram', exposure_programs)
}
def get_string(exif, tag):
return str(exif[tag])
def get_int(exif, tag):
return int(exif[tag])
def get_value(exif, tag, arr):
return arr[get_int(exif, tag)]
def parse_tuple(exif, tag, fraction=False):
_tuple = exif[tag]
result = _tuple[0] / _tuple[1]
if fraction and result < 1:
return f'1/{int(_tuple[1] / _tuple[0])}'
else:
return float(result)