Another hidden treasure. · python/cpython@b1614a7 (original) (raw)

Original file line number Diff line number Diff line change
@@ -1,4 +1,17 @@
1 1
2 2 import webbrowser
3 +import hashlib
3 4
4 5 webbrowser.open("http://xkcd.com/353/")
6 +
7 +def geohash(latitude, longitude, datedow):
8 +'''Compute geohash() using the Munroe algorithm.
9 +
10 + >>> geohash(37.421542, -122.085589, b'2005-05-26-10458.68')
11 + 37.857713 -122.544543
12 +
13 + '''
14 +# http://xkcd.com/426/
15 +h = hashlib.md5(datedow).hexdigest()
16 +p, q = [('%f' % float.fromhex('0.' + x)) for x in (h[:16], h[16:32])]
17 +print('%d%s %d%s' % (latitude, p[1:], longitude, q[1:]))