mirror of
https://github.com/TrentSPalmer/flask_photo_scaling_app.git
synced 2024-11-16 14:41:29 -08:00
95 lines
4.2 KiB
Python
95 lines
4.2 KiB
Python
#!/usr/bin/env python3
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from PIL import Image
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from PIL.ExifTags import TAGS, GPSTAGS
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import os
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from datetime import datetime
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def get_exif_data(photo):
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exif_data = {}
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get_file_sizes(photo, exif_data)
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return(exif_data)
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def get_exif(img_raw, exif_data):
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if hasattr(img_raw, '_getexif'):
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exifdata = img_raw._getexif()
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date_format = "%Y:%m:%d %H:%M:%S"
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for k, v in TAGS.items():
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if k in exifdata:
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if v == "Make":
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exif_data['Make'] = exifdata[k]
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if v == "Model":
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exif_data['Model'] = exifdata[k]
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if v == "Software":
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exif_data['Software'] = exifdata[k]
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if v == "DateTime":
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exif_data['DateTime'] = datetime.strptime(exifdata[k], date_format)
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if v == "DateTimeOriginal":
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exif_data['DateTimeOriginal'] = datetime.strptime(exifdata[k], date_format)
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if v == "DateTimeDigitized":
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exif_data['DateTimeDigitized'] = datetime.strptime(exifdata[k], date_format)
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if v == "FNumber":
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exif_data['fnumber'] = round(exifdata[k][0] / exifdata[k][1], 1)
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if v == "DigitalZoomRatio":
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exif_data['DigitalZoomRatio'] = round(exifdata[k][0] / exifdata[k][1], 2)
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if v == "TimeZoneOffset":
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exif_data['TimeZoneOffset'] = exifdata[k]
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if v == "GPSInfo":
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gpsinfo = {}
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for h, i in GPSTAGS.items():
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if h in exifdata[k]:
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if i == 'GPSAltitudeRef':
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gpsinfo['GPSAltitudeRef'] = int.from_bytes(exifdata[k][h], "big")
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if i == 'GPSAltitude':
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gpsinfo['GPSAltitude'] = round(exifdata[k][h][0] / exifdata[k][h][1], 3)
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if i == 'GPSLatitudeRef':
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gpsinfo['GPSLatitudeRef'] = exifdata[k][h]
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if i == 'GPSLatitude':
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gpsinfo['GPSLatitude'] = calc_coordinate(exifdata[k][h])
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if i == 'GPSLongitudeRef':
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gpsinfo['GPSLongitudeRef'] = exifdata[k][h]
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if i == 'GPSLongitude':
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gpsinfo['GPSLongitude'] = calc_coordinate(exifdata[k][h])
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update_gpsinfo(gpsinfo, exif_data)
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def update_gpsinfo(gpsinfo, exif_data):
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if 'GPSAltitudeRef' in gpsinfo and 'GPSLatitude' in gpsinfo:
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exif_data['GPSAltitude'] = gpsinfo['GPSAltitude']
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exif_data['GPSAboveSeaLevel'] = False if gpsinfo['GPSAltitudeRef'] != 0 else True
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if 'GPSLatitudeRef' in gpsinfo and 'GPSLatitude' in gpsinfo:
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exif_data['GPSLatitude'] = gpsinfo['GPSLatitude'] if gpsinfo['GPSLatitudeRef'] != 'S' else 0 - gpsinfo['GPSLatitude']
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if 'GPSLongitudeRef' in gpsinfo and 'GPSLongitude' in gpsinfo:
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exif_data['GPSLongitude'] = gpsinfo['GPSLongitude'] if gpsinfo['GPSLongitudeRef'] != 'W' else 0 - gpsinfo['GPSLongitude']
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def calc_coordinate(x):
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degrees = x[0][0] / x[0][1]
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minutes = x[1][0] / x[1][1]
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seconds = x[2][0] / x[2][1]
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return round(degrees + minutes / 60 + seconds / 3600, 5)
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def get_dimensions_and_format(photo, exif_data):
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img_raw = Image.open('raw_' + photo)
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img_1280 = Image.open('1280_' + photo)
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img_480 = Image.open('480_' + photo)
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exif_data['AspectRatio'] = round(img_raw.width / img_raw.height, 5)
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exif_data['photo_format'] = img_raw.format
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exif_data['photo_width'] = img_raw.width
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exif_data['photo_height'] = img_raw.height
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exif_data['photo_1280_width'] = img_1280.width
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exif_data['photo_1280_height'] = img_1280.height
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exif_data['photo_480_width'] = img_480.width
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exif_data['photo_480_height'] = img_480.height
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get_exif(img_raw, exif_data)
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def get_file_sizes(photo, exif_data):
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exif_data['photo_raw_size'] = os.path.getsize('raw_' + photo)
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exif_data['photo_1280_size'] = os.path.getsize('1280_' + photo)
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exif_data['photo_480_size'] = os.path.getsize('480_' + photo)
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get_dimensions_and_format(photo, exif_data)
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