pil example exif data (snippet)

Python pil example 'exif data'

Functions in program:

def resizeImg(filename):

Modules used in program:

import PIL
import json
import pprint
import os
import gpsphoto
import exifread

python exif data

Python pil example: exif data

# import piexif
import exifread
import gpsphoto
import os
import pprint
import json
import PIL
from PIL import Image

cwd = os.getcwd() #get current path as string

images_data = []

images_directory = os.path.join(cwd, '../images') #os.path.join allows this to work on windows as well for \

for filename in os.listdir(images_directory): 
    image_data = {
        "filename": filename
    }
    image_path = os.path.join(images_directory, filename)

    resizeImg(image_path)

    file = open(image_path, 'rb')
    tags = exifread.process_file(file, details=False)

    # import pdb; pdb.set_trace()
    # pprint.pprint(tags)

    # print(image_path)
    data = gpsphoto.getGPSData(image_path)
    # pprint.pprint(data)
    if 'Latitude' in data and 'Longitude' in data:
        image_data['lat'] = data['Latitude']
        image_data['long'] = data['Longitude']
        image_data['alt'] = data['Altitude']

    images_data.append(image_data)

    # exix_dict = piexif.load(image_path)
    # print(exix_dict)

pprint.pprint(images_data)
with open('exif.json', 'w') as outfile:
    json.dump(images_data, outfile);


def resizeImg(filename):    
    basewidth = 300
    img = Image.open(filename)
    wpercent = (basewidth/float(img.size[0]))
    hsize = int((float(img.size[1])*float(wpercent)))
    img = img.resize((basewidth,hsize), PIL.Image.ANTIALIAS)
    newImgName = os.path.join(images_directory, '/resized', '/rs_', filename)
    img.save(newImgName) 


# def getcords(d, m, s, ind):
#     # Calculate the total number of seconds, 
#     # 43'41" = (43*60 + 41) = 2621 seconds.

#     sec = float((m * 60) + s)
#     # The fractional part is total number of 
#     # seconds divided by 3600. 2621 / 3600 = ~0.728056

#     frac = float(sec / 3600)
#     # Add fractional degrees to whole degrees 
#     # to produce the final result: 87 + 0.728056 = 87.728056

#     deg = float(d + frac)
#     # If it is a West or S longitude coordinate, negate the result.
#     if ind == 'W':
#         deg = deg * -1

#     if ind == 'S':
#         deg = deg * -1

#     return float(deg)

Python links

Learn Python: https://pythonbasics.org/
Python Tutorial: https://pythonprogramminglanguage.com