Makes a dictionary of names with respect to submodules for Operators Within Blender

blender_ops_dict.py

import bpy
import _bpy
from collections import defaultdict

def make_operator_dict():
    submod_op_pairs = [entry.split("_OT_") for entry in _bpy.ops.dir()]
    submod_op_pairs = [(k.lower(), v) for k,v in submod_op_pairs]
    
    op_dict = defaultdict(list)
    for key, val in submod_op_pairs:
        op_dict[key].append(val)
    
    return op_dict


if __name__ =='__main__':
    op_dict = make_operator_dict()
    
    for key in op_dict:
        print("\n\n%s...... %d operators" % (key, len(op_dict[key])))
        print(op_dict[key])