Astrohas

active_modal = get_object_or_404(Modal, slug="connect-modal")
    all_modals = list()
    all_modals.append(active_modal.id)

    def get_referenced(modal):
        for item in modal.items.all():
            if not item.is_product and item.to_id is not None:
                all_modals.append(item.to_id)
                get_referenced(item.to)


    get_referenced(active_modal)
    modals = Modal.objects.filter(pk__in=all_modals)
    print(all_modals)

for modal in modals:
        modal.items_cached = [item for item in items if item.of_id == modal.id]

active_modal = get_object_or_404(Modal, slug="connect-modal")

    modals_ids = list()
    modals_ids.append(active_modal.id)

    all_modals = list(Modal.objects.all())
    all_modals.append(active_modal)

    items = ModalItem.objects.all()
    for modal in all_modals:
        modal.items_cached = [item for item in items if item.of_id == modal.id]

    def get_referenced(modal):

        for item in modal.items_cached:
            if not item.is_product and item.to_id is not None:
                modals_ids.append(item.to_id)

                for modal in all_modals:

                    if modal.id == item.to_id:
                        get_referenced(modal)
                        break

    get_referenced(active_modal)

    modals = [modal for modal in all_modals if modal.id in modals_ids]

import PyPDF2
file_ = open('file.pdf','rb')
pdffile = PyPDF2.PdfFileReader(file_)

import PyPDF2
file_ = file('file.pdf','rb')
pdffile = PyPDF2.PdfFileReader(file_)

import time
print('Dowloading: ', end='')

count = 0

while count <= 30:
    print('#', end='', flush=True)
    count += 1
    time.sleep(0.5)
print()
print('Dowloading complete.')

input()