preferences.py

import subprocess
import sys

import bpy


class ConjurePreferences(bpy.types.AddonPreferences):
    bl_idname = __package__

    gemini_api_key: bpy.props.StringProperty(name="Gemini API Key", subtype="PASSWORD")
    meshy_api_key: bpy.props.StringProperty(name="Meshy API Key", subtype="PASSWORD")
    deps_installed: bpy.props.BoolProperty(default=False)

    def draw(self, context):
        layout = self.layout

        box = layout.box()
        box.label(text="API Keys")
        box.prop(self, "gemini_api_key")
        box.prop(self, "meshy_api_key")

        box = layout.box()
        box.label(text="Dependencies")
        row = box.row()
        if self.deps_installed:
            row.label(text="Installed", icon="CHECKMARK")
        else:
            row.label(text="google-genai, requests, pillow", icon="INFO")
        row.operator(
            "conjure.install_deps",
            text="Install" if not self.deps_installed else "Reinstall",
        )


class CONJURE_OT_InstallDeps(bpy.types.Operator):
    bl_idname = "conjure.install_deps"
    bl_label = "Install Dependencies"

    def execute(self, context):
        python = sys.executable
        packages = ["google-genai", "requests", "pillow"]

        try:
            subprocess.check_call([python, "-m", "ensurepip"])
        except Exception:
            pass

        try:
            subprocess.check_call([python, "-m", "pip", "install"] + packages)
            context.preferences.addons[__package__].preferences.deps_installed = True
            self.report({"INFO"}, "Dependencies installed!")
        except Exception as e:
            self.report({"ERROR"}, str(e))
            return {"CANCELLED"}

        return {"FINISHED"}


def register():
    bpy.utils.register_class(CONJURE_OT_InstallDeps)
    bpy.utils.register_class(ConjurePreferences)


def unregister():
    bpy.utils.unregister_class(ConjurePreferences)
    bpy.utils.unregister_class(CONJURE_OT_InstallDeps)