Converts a VCards with photo urls to VCards with base64 images.

csv-url-to-base64.py

from io import BytesIO
from itertools import tee

import base64
import requests
import vobject

# change this variable!
filename = 'contacts'

out = str()
gen1, gen2 = tee(vobject.readComponents(str(open(filename + '.vcf', 'r').read())), 2)
gen_sum = sum(1 for i in gen1)
index = 0

for v in gen2:
    index += 1
    status = 'Processing ' + str(index) + '/' + str(gen_sum) + ' (' + str(int(index / gen_sum * 100)) + '%) '

    if hasattr(v, 'n'):
        status += str(v.n.value)
    else:
        status += 'N/A'

    print(status)

    if hasattr(v, 'photo'):
        v.photo.value = 'data:image/jpeg;base64,' + base64.b64encode(BytesIO(requests.get(v.photo.value).content).getbuffer()).decode("utf-8")

    out += v.serialize()

text_file = open(filename + '_out.vcf', 'w')
text_file.write(out)
text_file.close()