import json
 
# Opening JSON file
f = open(r'C:\Users\andre\all_19nodes.txt' )
#file obtained with shell command
# hython $HFS/houdini/python3.7libs/opnode_sum.py > all_19nodes.txt

data = json.load(f)
nodes19 = data['Nodes']['Sop'].keys()

inodes19 = []  ## internal nodes

## internal nodes of h18.5 from opnode_sum.py script run in 18.5 session
inodes185 = ['add', 'agent', 'agentclip::2.0', 'agentlayer', 'agentunpack', 'align', 'attribcast', 'attribcomposite', 'attribcopy', 'attribcreate', 'attribcreate::2.0', 'attribfromparm', 'attribfromvolume', 'attribinterpolate', 'attribmirror', 'attribpromote', 'attribreorient', 'attribstringedit', 'attribswap', 'attribtransfer', 'attribute', 'attribvop', 'bakeode', 'bakevolume', 'basis', 'blast', 'blendshapes', 'blendshapes::2.0', 'block_begin', 'block_end', 'bonecapturebiharmonic', 'bonecapturelines', 'bonedeform', 'bonelink', 'boolean::2.0', 'bound', 'box', 'bulge', 'cache', 'cap', 'capture', 'captureattribpack', 'captureattribunpack', 'capturecorrect', 'capturelayerpaint', 'capturemirror', 'captureoverride', 'captureproximity', 'carve', 'channel', 'chopnet', 'circle', 'circlefromedges', 'clay', 'clip', 'clothcapture', 'clothdeform', 'cluster', 'comb', 'compile_begin', 'compile_end', 'connectivity', 'control', 'convert', 'convertmeta', 'convertvolume', 'convexdecomposition', 'cop2net', 'copy', 'copytopoints', 'copytopoints::2.0', 'copyxform', 'crease', 'creep', 'cregion', 'curve', 'curveclay', 'curvesect', 'delete', 'deltamush', 'detangle', 'dissolve', 'dissolve::2.0', 'divide', 'dopimport', 'dopimportrecords', 'dopnet', 'each', 'edgecollapse', 'edgecusp', 'edgedivide', 'edgeequalize', 'edgeflip', 'edgestraighten', 'edgetransport', 'edit', 'ends', 'enumerate', 'error', 'extractcentroid', 'extracttransform', 'extrude', 'facet', 'file', 'fillet', 'fit', 'font', 'force', 'fractal', 'fur', 'fuse', 'fuse::2.0', 'grid', 'groupcombine', 'groupcopy', 'groupcreate', 'groupdelete', 'groupexpand', 'groupfindpath', 'grouppaint', 'grouppromote', 'grouprange', 'grouprename', 'grouptransfer', 'hole', 'inflate', 'intersectionanalysis', 'intersectionstitch', 'invoke', 'iso', 'isooffset', 'join', 'knife', 'lattice', 'line', 'lopnet', 'lsystem', 'magnet', 'matchtopology', 'material', 'matnet', 'mdd', 'measure', 'measure::2.0', 'merge', 'metaball', 'metagroups', 'mirror', 'name', 'normal', 'null', 'object_merge', 'objnet', 'opencl', 'orientalongcurve', 'output', 'pack', 'packededit', 'packpoints', 'particlefluidsurface', 'partition', 'peak', 'pointcloudiso', 'pointgenerate', 'polybevel', 'polybevel::2.0', 'polybevel::3.0', 'polybridge', 'polycut', 'polydoctor', 'polyexpand2d', 'polyextrude', 'polyextrude::2.0', 'polyfill', 'polyframe', 'polyloft', 'polypatch', 'polyreduce', 'polyreduce::2.0', 'polysoup', 'polyspline', 'polysplit', 'polysplit::2.0', 'polywire', 'posespacedeform', 'primitive', 'profile', 'project', 'python', 'rails', 'ray', 'refine', 'relax', 'remesh', 'remesh::2.0', 'repack', 'resample', 'rest', 'reverse', 'revolve', 'rewire', 'rishader', 'rop_geometry', 'ropnet', 'sblend', 'sblend::2.0', 'scatter', 'scatter::2.0', 'script', 'sculpt', 'sesi_temporary::tetrahedralize::2.0', 'shapediff', 'shopnet', 'shrinkwrap', 'skin', 'smooth', 'smooth::2.0', 'softpeak', 'softxform', 'solidify', 'sopnet', 'sort', 'sphere', 'splitpoints', 'starburst', 'stash', 'stitch', 'stroke', 'subdivide', 'subnet', 'superquad', 'surfsect', 'sweep', 'sweep::2.0', 'switch', 'switchif', 'tetpartition', 'tetrahedralize', 'tetrasurface', 'texture', 'timeshift', 'topnet', 'topnetmgr', 'topobuild', 'topotransfer', 'torus', 'trace', 'trail', 'triangulate2d', 'triangulate2d::2.0', 'triangulate2d::3.0', 'tribez', 'tridivide', 'trim', 'tube', 'unix', 'unpack', 'unpackpoints', 'uvautoseam', 'uvbrush', 'uvedit', 'uvflatten', 'uvflatten::2.0', 'uvflatten::3.0', 'uvfuse', 'uvlayout', 'uvlayout::2.0', 'uvlayout::3.0', 'uvpelt', 'uvpelt::2.0', 'uvproject', 'uvtransform', 'uvtransform::2.0', 'uvunwrap', 'vdbfromparticlefluid', 'vertex', 'visibility', 'volume', 'volumeanalysis', 'volumeblur', 'volumebound', 'volumebreak', 'volumecompress', 'volumeconvolve3', 'volumefeather', 'volumefft', 'volumefromattrib', 'volumemerge', 'volumemix', 'volumeopticalflow', 'volumepatch', 'volumerasterize', 'volumerasterizeparticles', 'volumereduce', 'volumeresample', 'volumeresize', 'volumesdf', 'volumeslice', 'volumesplice', 'volumestamp', 'volumesurface', 'volumetrail', 'volumevisualization', 'volumevop', 'vopnet', 'voronoisplit', 'windingnumber', 'wire', 'wireblend', 'wirecapture', 'wiredeform', 'wiretransfershape', 'xform', 'xformaxis', 'xformbyattrib']

for n in nodes19:
    ntype = hou.nodeType(hou.sopNodeTypeCategory(), n)
    if ntype.sourcePath() == 'Internal':  ## check if it's internal node
        inodes19.append(n)
f.close()

new_h19_nodes = [k for k in inodes19 if k not in inodes185]
print(new_h19_nodes)