Revision: 6872
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6872&view=rev
Author: jrevans
Date: 2009-02-03 22:29:30 +0000 (Tue, 03 Feb 2009)
Log Message:
-----------
Fixed a bug in RRuleLocator that generated invalid datetimes when padding the
axes bounds for large ranges of times or with times that are close to the
boundaries of valid datetimes.
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/dates.py
Modified: trunk/matplotlib/lib/matplotlib/dates.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/dates.py 2009-02-03 19:52:02 UTC (rev
6871)
+++ trunk/matplotlib/lib/matplotlib/dates.py 2009-02-03 22:29:30 UTC (rev
6872)
@@ -481,7 +481,20 @@
if dmin>dmax:
dmax, dmin = dmin, dmax
delta = relativedelta(dmax, dmin)
- self.rule.set(dtstart=dmin-delta, until=dmax+delta)
+
+ # We need to cap at the endpoints of valid datetime
+ try:
+ start = dmin - delta
+ except ValueError:
+ start = _from_ordinalf( 1.0 )
+
+ try:
+ stop = dmax + delta
+ except ValueError:
+ # The magic number!
+ stop = _from_ordinalf( 3652059.9999999 )
+
+ self.rule.set(dtstart=start, until=stop)
dates = self.rule.between(dmin, dmax, True)
return date2num(dates)
@@ -518,7 +531,20 @@
dmax, dmin = dmin, dmax
delta = relativedelta(dmax, dmin)
- self.rule.set(dtstart=dmin-delta, until=dmax+delta)
+
+ # We need to cap at the endpoints of valid datetime
+ try:
+ start = dmin - delta
+ except ValueError:
+ start = _from_ordinalf( 1.0 )
+
+ try:
+ stop = dmax + delta
+ except ValueError:
+ # The magic number!
+ stop = _from_ordinalf( 3652059.9999999 )
+
+ self.rule.set(dtstart=start, until=stop)
dmin, dmax = self.datalim_to_dt()
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