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| author | Raymond Hettinger <python@rcn.com> | 2009-06-03 17:21:17 +0000 |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2009-06-03 17:21:17 +0000 |
| commit | f8560170809a0befb729cc6667199c6aca8b1e98 (patch) | |
| tree | eb7a87f61cdd8c2868b4a1db374b49aedb091c0a /Lib/antigravity.py | |
| parent | de2aff305c13d14b4aa5d103de215e7cd4a9cc5e (diff) | |
| download | cpython-f8560170809a0befb729cc6667199c6aca8b1e98.tar.gz | |
Another hidden treasure.
Diffstat (limited to 'Lib/antigravity.py')
| -rw-r--r-- | Lib/antigravity.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/antigravity.py b/Lib/antigravity.py index 7fb7d8282a..7670187f83 100644 --- a/Lib/antigravity.py +++ b/Lib/antigravity.py @@ -1,4 +1,17 @@ import webbrowser +import hashlib webbrowser.open("http://xkcd.com/353/") + +def geohash(latitude, longitude, datedow): + '''Compute geohash() using the Munroe algorithm. + + >>> geohash(37.421542, -122.085589, b'2005-05-26-10458.68') + 37.857713 -122.544543 + + ''' + # http://xkcd.com/426/ + h = hashlib.md5(datedow).hexdigest() + p, q = [('%f' % float.fromhex('0.' + x)) for x in (h[:16], h[16:32])] + print('%d%s %d%s' % (latitude, p[1:], longitude, q[1:])) |