Access olap data sources through xmla
Project description
olap.xmla
This package is meant for accessing xmla datasources - see http://en.wikipedia.org/wiki/XML_for_Analysis
BUILD
In this directory, run:
python setup.py build
TESTING
Tests are done against the Mondrian and SSAS XMLA providers. The testsDiscover module tests behavior with different XMLA providers with the Discover command while testsExecute does the same with the Execute command. Note that you likely need to modify the sources if you want to test yourself since they contain specifics (namely the location of the services and names of the data sources).
SAMPLE
Here is an example how to use it:
import olap.xmla.xmla as xmla p = xmla.XMLAProvider() c = p.connect(location="http://localhost:8080/mondrian/xmla", doKerberos = False) # getting info about provided data print c.getDatasources() print c.getMDSchemaCubes() # for ssas a catalog is needed, so the call would be like # get a catalogname from a call to c.getDBSchemaCatalogs() # c.getMDSchemaCubes(properties={"CATALOG":"a catalogname"}) # execute a MDX (working against the foodmart sample catalog of mondrian) cmd= """select {[Measures].ALLMEMBERS} * {[Time].[1997].[Q2].children} on columns, ...[Gender].[Gender].ALLMEMBERS on rows ...from [Sales] ...""" res = c.Execute(cmd, Catalog="FoodMart") res.getSlice(property="Value") #return only the Value property from the cells # to return some subcube from the result you can res.getSlice() # return all res.getSlice(Axis0=3) # carve out the 4th column res.getSlice(Axis0=3, SlicerAxis=0) # same as above, SlicerAxis is ignored res.getSlice(Axis1=[1,2]) # return the data sliced at the 2nd and 3rd row res.getSlice(Axis0=3, Axis1=[1,2]) # return the data sliced at the 2nd and 3rd row in addition to the 4th column
Note
The contained vs.wsdl originates from the following package: http://www.microsoft.com/en-us/download/confirmation.aspx?id*9388 and was subsequently modified (which parameters go in the soap header) to work with the suds package.
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