[jToolkit-cvs] jToolkit/widgets chart.py,1.8,1.9

[<dav...@us...>]

Update of /cvsroot/jtoolkit/jToolkit/widgets
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18831

Modified Files:
	chart.py 
Log Message:
Added lock to make gdchart usage thread-safe



Index: chart.py
===================================================================
RCS file: /cvsroot/jtoolkit/jToolkit/widgets/chart.py,v
retrieving revision 1.8
retrieving revision 1.9
diff -C2 -d -r1.8 -r1.9
*** chart.py	10 Feb 2004 08:27:40 -0000	1.8
--- chart.py	10 Feb 2004 08:29:40 -0000	1.9
***************
*** 13,16 ****
--- 13,20 ----
  gdchart.defaults = gdchart.option()
  
+ #We need this lock for gdchart, as it's not thread-safe
+ from threading import Lock
+ gdchartLock = Lock()
+ 
  # This class is just a container for option values.
  class Chart(widgets.PlainContents):
***************
*** 43,49 ****
--- 47,55 ----
  
    def gethtml(self):
+     gdchartLock.acquire()
      self.draw()
      tempfile = cStringIO.StringIO()
      gdchart.chart(self.chartType, self.chartSize, tempfile, self.xdata, *self.ydata)
+     gdchartLock.release()
      return tempfile.getvalue()