put all R handling to pyscript; add view for showing graphics (plots) from tmp files created by R

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2041 fd906abe-77d9-0310-91a1-e0d9ade77398

pyscript/plot.py

@@ -43,7 +43,10 @@ class PlotView(object):
         return self
 
     def __call__(self):
-        path = str('/' + os.path.join(*self.traverse_subpath))
+        if self.traverse_subpath:
+            path = str('/' + os.path.join(*self.traverse_subpath))
+        else:
+            path = self.request.form.get('image')
         # TODO: keep path in temporary dictionary with hashed keys.
         self.setHeaders(path)
         f = open(path, 'rb')

pyscript/rstat.py

@@ -43,7 +43,7 @@ class RWrapper(object):
         return RWrapper(value)
 
 
-r = RWrapper(r)
+rx = RWrapper(r)
 
 with_mode = RWrapper(rpy.with_mode)
 #as_py = RWrapper(rpy.as_py)

pyscript/script.py

@@ -38,7 +38,9 @@ from zope.traversing.api import getParent, getPath
 
 from cybertools.pyscript.interfaces import IPythonScript, IScriptContainer
 try:
-    from cybertools.pyscript.rstat import r, rpy
+    #from cybertools.pyscript.rstat import r, rpy
+    import rpy
+    from rpy import r
     HAS_R = True
 except ImportError:
     HAS_R = False
@@ -191,4 +193,6 @@ class ScriptContainer(BTreeContainer):
         if HAS_R:
             from cybertools.pyscript import rstat
             globs['rstat'] = rstat
+            globs['r'] = r
+            globs['rpy'] = rpy