# SPDX-License-Identifier: GPL-2.0-or-later import bpy from bpy.props import ( IntProperty, BoolProperty ) evaluatedDepsgraph = None class tissuePreferences(bpy.types.AddonPreferences): bl_idname = __package__ print_stats : IntProperty( name="Print Stats", description="Print in the console all details about the computing time.", default=1, min=0, max=4 ) use_numba_tess : BoolProperty( name="Numba Tessellate", description="Boost the Tessellation using Numba module. It will be slower during the first execution", default=True ) def draw(self, context): from .utils_pip import Pip Pip._ensure_user_site_package() layout = self.layout layout.prop(self, "print_stats") import importlib numba_spec = importlib.util.find_spec('numba') found = numba_spec is not None if found: layout.label(text='Numba module installed correctly!', icon='INFO') layout.prop(self, "use_numba_tess") else: layout.label(text='Numba module not installed!', icon='ERROR') layout.label(text='Installing Numba will make Tissue faster', icon='INFO') row = layout.row() row.operator('scene.tissue_install_numba') layout.label(text='Internet connection required. It may take few minutes', icon='URL') class tissue_install_numba(bpy.types.Operator): bl_idname = "scene.tissue_install_numba" bl_label = "Install Numba" bl_description = ("Install Numba python module") bl_options = {'REGISTER'} def execute(self, context): try: from .utils_pip import Pip #Pip.upgrade_pip() Pip.install('llvmlite') Pip.install('numba') from numba import jit, njit, guvectorize, float64, int32, prange bool_numba = True print('Tissue: Numba successfully installed!') self.report({'INFO'}, 'Tissue: Numba successfully installed!') except: print('Tissue: Numba not loaded correctly. Try restarting Blender') return {'FINISHED'}