[PythonReports-checkins] PythonReports/PythonReports drivers.py, 1.2, 1.3

[alexander s. <a1...@us...>]

Update of /cvsroot/pythonreports/PythonReports/PythonReports
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv27490

Modified Files:
	drivers.py 
Log Message:
get_driver won't fail if no image driver found
(but the first image operation will raise an error)

Index: drivers.py
===================================================================
RCS file: /cvsroot/pythonreports/PythonReports/PythonReports/drivers.py,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** drivers.py	1 Nov 2006 17:37:56 -0000	1.2
--- drivers.py	1 Nov 2006 19:21:55 -0000	1.3
***************
*** 6,9 ****
--- 6,11 ----
  """
  """History (most recent first):
+ 01-nov-2006 [als]   get_driver won't fail if no image driver found
+                     (but the first image operation will raise an error)
  01-nov-2006 [als]   driver classes have backend name property
  11-oct-2006 [als]   fix variable name in ImageDriver.resize
***************
*** 243,246 ****
--- 245,255 ----
          return _rv
  
+ # Use above ImageDriver class as dummy fallback driver
+ # (will be overwritten as soon as any actual driver is found).
+ # This will raise NotImplementdedError when the first image
+ # operation is attempted, but if there are no images in report
+ # then we can get through without image driver.
+ _image_drivers[None] = ImageDriver
+ 
  class TextDriver(object):