[GRASS-SVN] r52219 - grass/trunk/lib/python

[svn_grass at osgeo.org]

Author: hamish
Date: 2012-06-25 23:29:50 -0700 (Mon, 25 Jun 2012)
New Revision: 52219

Modified:
   grass/trunk/lib/python/raster.py
Log:
mapcalc_start() code example

Modified: grass/trunk/lib/python/raster.py
===================================================================
--- grass/trunk/lib/python/raster.py	2012-06-26 03:53:59 UTC (rev 52218)
+++ grass/trunk/lib/python/raster.py	2012-06-26 06:29:50 UTC (rev 52219)
@@ -106,15 +106,14 @@
 
     \code
     >>> expr1 = '"%s" = "%s" * 10' % (output, input)
-    >>> p1 = grass.mapcalc_start(expr1, stdout = subprocess.PIPE)
-    >>> print p1
-    <subprocess.Popen object at 0xb7c12f6c>
-    >>> # start other jobs now ...
-    
-    >>> # collect the results and wait for them to finish:
-    >>> if not p1.stdout.closed:
-    ...     pout1 = p1.communicate()[0]
+    >>> expr2 = '...'   # etc.
+    >>> # launch the jobs:
+    >>> p1 = grass.mapcalc_start(expr1)
+    >>> p2 = grass.mapcalc_start(expr2)   # etc.
+    ...
+    >>> # wait for them to finish:
     >>> p1.wait()
+    >>> p2.wait()   # etc.
     \endcode
 
     (maybe stdout = subprocess.PIPE and p1.stdout.closed can be avoided)