Revision: 4790
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4790&view=rev
Author: efiring
Date: 2007-12-26 09:10:34 -0800 (Wed, 26 Dec 2007)
Log Message:
-----------
Warning instead of exception if matplotlib.use() is called too late.
Modified Paths:
--------------
trunk/matplotlib/CHANGELOG
trunk/matplotlib/lib/matplotlib/__init__.py
Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG 2007-12-26 07:51:19 UTC (rev 4789)
+++ trunk/matplotlib/CHANGELOG 2007-12-26 17:10:34 UTC (rev 4790)
@@ -1,3 +1,6 @@
+2007-12-26 Reduce too-late use of matplotlib.use() to a warning
+ instead of an exception, for backwards compatibility - EF
+
2007-12-25 Fix bug in errorbar, identified by Noriko Minakawa - EF
2007-12-25 Changed masked array importing to work with the upcoming
Modified: trunk/matplotlib/lib/matplotlib/__init__.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/__init__.py 2007-12-26 07:51:19 UTC (rev
4789)
+++ trunk/matplotlib/lib/matplotlib/__init__.py 2007-12-26 17:10:34 UTC (rev
4790)
@@ -727,8 +727,11 @@
except:
from config import rcParams, rcdefaults
-_use_error_msg = """ matplotlib.use() must be called *before* pylab
-or matplotlib.backends is imported for the first time."""
+_use_error_msg = """ This call to matplotlib.use() has no effect
+because the the backend has already been chosen;
+matplotlib.use() must be called *before* pylab, matplotlib.pyplot,
+or matplotlib.backends is imported for the first time.
+"""
def use(arg):
"""
@@ -747,7 +750,7 @@
be called before importing matplotlib.backends.
"""
if 'matplotlib.backends' in sys.modules:
- raise RuntimeError(_use_error_msg)
+ warnings.warn(_use_error_msg)
be_parts = arg.split('.')
name = validate_backend(be_parts[0])
rcParams['backend'] = name
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