Global variables might work with runserver (because it starts threads, not processes, but I'm not certain about that so please correct me), but they're unlikely to work in production, because typically Django is run as at least two WSGI processes.
Regards, Antonis Antonis Christofides http://djangodeployment.com On 2018-01-24 02:51, Costja Covtushenko wrote: > Hi, > > Sorry for asking but how exactly you decided that those `global` variables was > not updated? > > Regards, > C > >> On Jan 23, 2018, at 6:47 AM, Максим Королёв <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi there. >> Could someone explain what happens. I had a little project on Python 2.7 and >> decided to move it on 3.6. Everything has gone by perfectly. The project >> works well as before but there is one exception noticed by me: the global >> statement works not always. The code below doesn't update the global variable >> zip_file_name and I can't grasp why. Any suggestions. >> >> zip_file_name = os.path.join(MEDIA_ROOT, 'wb`s.zip') >> file_list = [] >> >> >> @permission_required("wb_search.change_wbsearch", login_url='access_denied') >> @csrf_exempt def input_data_form(request): >> global zip_file_name, file_list >> if request.method == 'POST': >> form = WbSearchForm(request.POST) >> if form.is_valid(): >> text = request.POST['wbs_nums'] >> picked = form.cleaned_data.get('category') >> try: >> wb_nums = process_input(text, LENGTH_OF_STR_TO_PROCESS) >> zip_file_name, file_list = get_wb_pdf_as_zip(wb_nums, picked) >> m = SearchHistory(user=str(request.user), >> curr_date=datetime.now(), list_desired_docs=', '.join([str(rec[0]) for rec >> in file_list])) >> m.save() >> return HttpResponseRedirect('/wb_search/search_finished/') >> except NoDataToSearch: >> return >> HttpResponseRedirect('/wb_search/wb_search_incorrect_data/') >> else: >> return >> HttpResponseRedirect('/wb_search/wb_search_incorrect_data/') >> else: >> form = WbSearchForm() >> # context = context.update(csrf(request)) return >> render_to_response('wb_search_input_data_form.html', >> {'form': form, 'title': 'Номера для поиска', >> 'header': 'Поиск PDF файлов вэйбилов', >> 'text': 'Вставте в это поле номера вэйбилов >> PDF файлы которых необходимо найти.', >> 'textarea_title': 'Вставте в это поле номера >> вэйбилов PDF файлы которых необходимо ' 'найти.', >> 'submit_title': 'Начать поиск', >> 'element_id': 'find_button', >> 'element_method': 'click', >> 'spinner_message': 'Ожидайте окончания >> поиска...', }, >> RequestContext(request)) >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] >> <mailto:[email protected]>. >> To post to this group, send email to [email protected] >> <mailto:[email protected]>. >> Visit this group at https://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/e833541c-0b75-486c-a06e-5aa8ccb5d446%40googlegroups.com >> <https://groups.google.com/d/msgid/django-users/e833541c-0b75-486c-a06e-5aa8ccb5d446%40googlegroups.com?utm_medium=email&utm_source=footer>. >> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To post to this group, send email to [email protected] > <mailto:[email protected]>. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/3DB54166-0F6B-4F44-9DB1-05BFE47D578F%40gmail.com > <https://groups.google.com/d/msgid/django-users/3DB54166-0F6B-4F44-9DB1-05BFE47D578F%40gmail.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/b157aafa-e3bc-1501-747b-d8bf81f486e5%40djangodeployment.com. For more options, visit https://groups.google.com/d/optout.
