Instagram shortcode to media id media id to shortcode

instagram_shortcode.py

# coding=utf-8
'''
	Instagram shortcode to media id
	media id to shortcode 
	
'''
sid = 'BFBQEQDxVqV'
# 1243345632996186773
nid = ''
alph = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_'

'''
i = 0
result = 0
for c in reversed(sid):
    # print c
    idx = alph.find(c)
    r = int(idx) * pow(64, i)
    # print r,bin(r)
    result = result + r
    i += 1

print result, bin(result)
'''

def url2id(url):
    alph = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_'

    mid = 0
    for l in url:
        # mid = mid * 64 + alph.find(l)
        pos = alph.find(l)
        mid = mid * 64 + pos
        print l, mid, pos
    return mid


print url2id(sid)


def id2url(mid):
    alph = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_'
    url = ''

    while mid > 0:
        res = mid % 64
        mid = (mid - res) / 64
        url = alph[res] + url
    return url


print id2url(1243345632996186773)