Hey guys, how are you doing?
I'm trying compile some scripts with Cython and Maya and I've some doubts.
How can I declare the OpenMaya types on cpdef?
My setup script is this:
from setuptools import setup, Extension
from Cython.Build import cythonize
import os
def _script_path(module_name):
return os.path.join(os.path.dirname(__file__), "src",
module_name).replace("//", "/")
setup(
name="vzUtils",
ext_modules=cythonize(
Extension("vzUtils",
language="c++",
sources=[_script_path("vzUtils.pyx")],
include_dirs=[
"C:/Program
Files/Autodesk/Maya2019/Python/Lib/site-packages",
"C:/Program Files/Autodesk/Maya2019/include",
os.path.join(os.path.dirname(__file__),
"src").replace("//", "/")
],
libraries=[
"Foundation",
"OpenMaya",
"OpenMayaUI",
"OpenMayaAnim",
"OpenMayaFX",
"OpenMayaRender",
"Image"
],
library_dirs=[
"C:/Program Files/Autodesk/Maya2019/lib",
"C:/Program Files/Autodesk/Maya2019/Python/DLLs"
])
)
)
And my script test is this:
# distiutils: Language=c++
from maya import OpenMaya
cpdef list_nodes_connections(node, list node_list):
if node.isNull():
return
node_plugs = OpenMaya.MPlugArray()
fn = OpenMaya.MFnDependencyNode(node)
if fn.typeName() in ["mesh", "polyCurve"]:
return
fn.getConnections(node_plugs)
cdef int i = 0
cdef int k = 0
for i in range(node_plugs.length()):
plugs_connected = OpenMaya.MPlugArray()
node_plugs[i].connectedTo(plugs_connected, True, False)
for k in range(plugs_connected.length()):
list_nodes_connections(plugs_connected[k].node(), node_list)
if fn.name() not in node_list:
node_list.append(fn.name())
I compile this script successfully but the Maya doesn't import them. Maya
said is not possible to import the DLL...
I tried to declare the Maya's type and resulted in a compilation error.
Cython said that MObject is unknown type:
cpdef list_nodes_connections(MObject nodes, list node_list):
Have you any idea to fix these errors? How the best practice to use Cython
and Maya? Must I recompile for each Maya's version linking like C++
plug-ins?
Regards,
Gabriel Valderramos
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