[Python-checkins] r73178 - python/branches/py3k/Lib/antigravity.py
raymond.hettinger
python-checkins at python.org
Wed Jun 3 19:21:17 CEST 2009
Author: raymond.hettinger
Date: Wed Jun 3 19:21:17 2009
New Revision: 73178
Log:
Another hidden treasure.
Modified:
python/branches/py3k/Lib/antigravity.py
Modified: python/branches/py3k/Lib/antigravity.py
==============================================================================
--- python/branches/py3k/Lib/antigravity.py (original)
+++ python/branches/py3k/Lib/antigravity.py Wed Jun 3 19:21:17 2009
@@ -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:]))
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