Yes, this is unfortunately a known bug. You can use mel.eval to hack around it.
- Chris On Fri, Jan 22, 2010 at 1:28 PM, viktoras <[email protected]> wrote: > heya, > got a problem with multiuse arguments and python. google only leads to other > posts similar > to mine none of which got an answer. > > i'm writting a custom command in C++, but intending to call that from maya > in python. > i need to define a multiuse argument for it (array of strings). > i've got command up and running, but the problem is... MEL call works fine, > while Python > won't. my code is really based just on whatever is posted as a correct > example of reading > multi-use arguments (including the example in maya's API) > > software: maya 2008, visual studio 2008. > > i call command as: > > MEL: ngTestCmd -s "persp" -s "top" (outputs "persp" and "top" correctly) > Python: cmds.ngTestCmd(s=["persp","top"]) (fails trying to print first > element) > > > i define command syntax as: > > MSyntax syntax; > syntax.addFlag(TEST_FLAG,"strings",MSyntax::kString); > syntax.makeFlagMultiUse(TEST_FLAG); > syntax.enableQuery( false ); > syntax.enableEdit( false ); > return syntax; > > i read args like this (CHECK_STATUS macro fires statusException if status is > not "success"): > try { > MStatus status; > MArgDatabase argDb(this->syntax(),args,&status); > CHECK_STATUS("failed to create arg db"); > > uint numUses = argDb.numberOfFlagUses(TEST_FLAG); > for (uint i=0;i<numUses;i++){ > MArgList selList; > status = argDb.getFlagArgumentList(TEST_FLAG,i,selList); > CHECK_STATUS("failed to get sel list"); > > // asString fails when command call is made from python > MGlobal::displayInfo(selList.asString(0,&status)); > CHECK_STATUS("failed to get string from sel list"); > > } > } > catch (StatusException e){ > MGlobal::displayError(e.getStatus().errorString()); > return e.getStatus(); > } > > in both python and MEL calls numberOfFlagUses return 2, which is correct. > however, > python calls always result in status check failure after selList.asString() > > help! :) > > -- > viktoras > www.neglostyti.com > > -- > http://groups.google.com/group/python_inside_maya -- http://groups.google.com/group/python_inside_maya
