python 2.7 - Exception: Invalid object array with comtypes -

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i try implement simple copy operation between 2 autocad documents via com in python.

from pyautocad import autocad, apoint comtypes.client import getbestinterface # acad application acad = autocad(create_if_not_exists=true) # create new document doc1 = getbestinterface(acad.application.documents.add()) # add circle in document , make visible circle = getbestinterface(doc1.modelspace.addcircle(apoint(0.0, 0.0), 1.0)) doc1.application.zoomextents() # create document doc2 = getbestinterface(acad.application.documents.add()) # , copy circle new document doc1.copyobjects([circle], doc2.modelspace)

this throws:

traceback (most recent call last):   file "copy_bug.py", line 13, in <module>     doc1.copyobjects([circle], doc2.modelspace)   file "anaconda2\lib\site-packages\comtypes\__init__.py", line 655, in call_with_inout     rescode = func(self_, *args, **kw) _ctypes.comerror: (-2145320837, none, (u'invalid object array', u'autocad.application', u'c:\\program files\\autodesk\\autocad 2015\\help\\ole_err.chm', -2145320837, none))

same thing may accomplished in vba with:

dim doc1 acaddocument set doc1 = thisdrawing.application.documents.add dim pt(0 2) double pt(0) = 0#: pt(1) = 0#: pt(2) = 0# dim circ acadcircle set circ = doc1.modelspace.addcircle(pt, 1)  thisdrawing.application.zoomextents  dim doc2 acaddocument set doc2 = thisdrawing.application.documents.add  dim arry(0 0) acadentity set arry(0) = circ doc1.copyobjects arry, doc2.modelspace

i tried numpy arrays, tried casting idispatch interface, iacadentity interface , iacadobject no success (probably silly attempt).

circle = circle.queryinterface(iacadentity)

i tried inside site-packages\comtypes\automation.py that's above pay grade. setting self.vt vt_array | vt_dispatch in _set_value no suspect problem along lines because, if change dim arry(0 0) acadentity dim arry(0 0) variant vba example throw invalid object array.

i should mention un-commented 2 lines in site-packages\comtypes\automation.py:

# these not yet implemented: pointer(iunknown): vt_unknown, pointer(idispatch): vt_dispatch,

so .... help?!

meanwhile, there ugly hacks like:

dim doc1 acaddocument set doc1 = thisdrawing.application.documents.add dim pt(0 2) double pt(0) = 0#: pt(1) = 0#: pt(2) = 0# dim circ acadcircle set circ = doc1.modelspace.addcircle(pt, 1)  thisdrawing.application.zoomextents dim extmin variant: extmin = thisdrawing.getvariable("extmin") dim extmax variant: extmax = thisdrawing.getvariable("extmax")  call thisdrawing.sendcommand( _     "_select window " & cstr(extmin(0)) & "," & cstr(extmin(1)) & _     " " & cstr(extmax(0)) & "," & cstr(extmax(1)) & vbnewline) doc1.sendcommand ("_copybase 0,0" & vbnewline)  dim doc2 acaddocument set doc2 = thisdrawing.application.documents.add doc2.sendcommand ("_pasteclip 0,0" & vbnewline) 
from pyautocad import autocad, apoint comtypes.client import getbestinterface  acad = autocad(create_if_not_exists=true) doc1 = getbestinterface(acad.application.documents.add()) circle = getbestinterface(doc1.modelspace.addcircle(apoint(0.0, 0.0), 1.0)) doc1.application.zoomextents()  extmin = doc1.getvariable("extmin") extmax = doc1.getvariable("extmax")  doc1.sendcommand( "_select window %f,%f %f,%f\n\r" % (     extmin[0], extmin[1], extmax[0], extmax[1])) doc1.sendcommand ("_copybase 0,0\n\r")  doc2 = getbestinterface(acad.application.documents.add()) doc2.sendcommand ("_pasteclip 0,0\n\r")

(of course can create selection set cannot make selection set active; madness)

please post better answer!


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