def _initialize(self):
""" set up erything we need """
# Let's configure some custom colors for the graph
ca = ColorAttributes()
ca.back = '#333333'
ca.canvas = '#333333'
ca.shadea = '#000000'
ca.shadeb = '#111111'
ca.mgrid = '#CCCCCC'
ca.axis = '#FFFFFF'
ca.frame = '#AAAAAA'
ca.font = '#FFFFFF'
ca.arrow = '#FFFFFF'
# Let's set up the objects that will be added to the graphs
result = []
for graphName, graphData in graphsDefinition.items():
tmp = []
for sourceName, sourceData in graphData["sources"].items():
def1 = DEF(rrdfile=self._filename, vname=sourceName, dsName=sourceName)
tmp.append(def1)
if sourceName.startswith("zaehlerstand"):
cdef1 = CDEF(vname='verbrauchpros-'+def1.vname, rpn='%s,86400,*' % def1.vname)
tmp.append(cdef1)
if sourceData["type"] == "line":
tmp.append(LINE(value=sourceName, color=sourceData["color"], legend=sourceData["title"]))
elif sourceData["type"] == "area":
tmp.append(AREA(value=sourceName, color=sourceData["color"], legend=sourceData["title"]))
# Now that we've got everything set up, let's make a graph
g = Graph('dummy.png', vertical_label=graphData["verticalLabel"], color=ca)
g.data.extend(tmp)
g.title = '"%s"' % graphData["title"]
# create a new variable
g.filenameBase = graphName
if graphData.get("logarithmic"):
g.logarithmic=True
result.append(g)
return result
