bastoma.py

import bpy
import os

from bpy_extras.io_utils import ExportHelper
from bpy.props import StringProperty, BoolProperty, EnumProperty, IntProperty
from bpy.types import Operator


class ExportSelectedAsObj(Operator, ExportHelper):
    """This appears in the tooltip of the operator and in the generated docs"""
    bl_idname = "export.selected_as_obj_files"  # important since its how bpy.ops.import_test.some_data is constructed
    bl_label = "Export Selected Objects as obj"

    global_scale = IntProperty(default=1)
    use_filter_folder = True
    filename_ext = "."

    def write_some_data(self, context, folder):
        selected = bpy.context.selected_objects.copy()
        bpy.ops.object.select_all(action='DESELECT')

        for obj in selected:
            name = obj.name.replace('.', '_')
            obj.select = True
            fullpath = os.path.join(folder, name + '.obj')
            bpy.ops.export_scene.obj(filepath=fullpath)
            obj.select = False

        return {'FINISHED'}

    def execute(self, context):
        print(self.filepath)
        sliced = os.path.dirname(self.filepath)
        if os.path.isdir(sliced):
            if os.path.exists(sliced):
                self.filepath = sliced
        else:
            self.report({'WARNING'}, 'Not a valid path')
            return {'FINISHED'}

        return self.write_some_data(context, self.filepath)


# Only needed if you want to add into a dynamic menu
def menu_func_import(self, context):
    self.layout.operator(ExportSelectedAsObj.bl_idname, text="Export selected as .Objs")


def register():
    bpy.utils.register_class(ExportSelectedAsObj)
    bpy.types.INFO_MT_file_export.append(menu_func_import)


def unregister():
    bpy.utils.unregister_class(ExportSelectedAsObj)
    bpy.types.INFO_MT_file_export.remove(menu_func_import)


if __name__ == "__main__":
    register()