Revision: 7920
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7920&view=rev
Author: jdh2358
Date: 2009-11-03 16:00:13 +0000 (Tue, 03 Nov 2009)
Log Message:
-----------
support postfixes in recs_join
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/mlab.py
Modified: trunk/matplotlib/lib/matplotlib/mlab.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/mlab.py 2009-11-03 15:46:14 UTC (rev
7919)
+++ trunk/matplotlib/lib/matplotlib/mlab.py 2009-11-03 16:00:13 UTC (rev
7920)
@@ -1893,7 +1893,7 @@
return newrec
-def recs_join(key, name, recs, jointype='outer', missing=0.):
+def recs_join(key, name, recs, jointype='outer', missing=0., postfixes=None):
"""
Join a sequence of record arrays on single column key.
@@ -1911,11 +1911,15 @@
*jointype*
is a string 'inner' or 'outer'
- *missing"
+ *missing*
is what any missing field is replaced by
+ *postfixes*
+ if not None, a len recs sequence of postfixes
- returns a record array with columns [rowkey, name1, name2, ... namen].
+ returns a record array with columns [rowkey, name0, name1, ... namen-1].
+ or if postfixes [PF0, PF1, ..., PFN-1] are supplied,
+ [rowkey, namePF0, namePF1, ... namePFN-1].
Example::
@@ -1938,7 +1942,9 @@
if None not in row: # throw out any Nones
results.append([rowkey] + map(extract, row))
- names = ",".join([key] + ["%s%d" % (name, d) for d in range(len(recs))])
+ if postfixes is None:
+ postfixes = ['%d'%i for i in range(len(recs))]
+ names = ",".join([key] + ["%s%s" % (name, postfix) for postfix in
postfixes])
return np.rec.fromrecords(results, names=names)
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