django-paypal 突然停止接收来自 Paypal 的信号

Question

I'm working on Paypal integration to my Django project using Django-Paypal package.I have successfully configured everything and it was working but suddenly the signals form PayPal has stopped.

What issue can be occurred?

Here's what i have done:

from view.py:

def payment_process(request):
minutes = int(request.user.tagging.count()) * 5
testhours = minutes / 60
hours = str(round(testhours, 3))
# pdb.set_trace()
# What you want the button to do.
invoice = generate_cid()
userInfo = {
    "name": str(request.user.first_name + ' ' + request.user.last_name),
    "hours": str(hours),
    "taggedArticles": str(request.user.tagging.count())
}
paypal_dict = {
    "business": settings.PAYPAL_RECEIVER_EMAIL,
    "item_name": "Certificate of Completion from Nami Montana",
    "custom": userInfo,
    "invoice": str(invoice),
    "amount": "5.00",
    "notify_url": "https://6fd5e31b.ngrok.io/users/paypal/",
    # "return_url": "https://6fd5e31b.ngrok.io/users/profile/",
    "cancel_return": "https://6fd5e31b.ngrok.io/users/cancel/",
}
print(paypal_dict)
# Create the instance.
form = PayPalPaymentsForm(initial=paypal_dict)
context = {"form": form}
return render(request, "users/generateCert.html", context)

from urls.py:

urlpatterns = [
   url('^paypal/', include('paypal.standard.ipn.urls')),
   url('^profile/buildCertificate/$', views.CertificateProcess.as_view(), name='certificate'),
   url('^cancel/$', views.payment_canceled, name='cancel'),
   url('^done/$', views.payment_done, name='done'),
   url('^process/$', views.payment_process, name='payment'),
]

From signals.py:

def show_me_the_money(sender, **kwargs):
ipn_obj = sender
custom = ipn_obj.custom
# Undertake some action depending upon `ipn_obj`.
if ipn_obj.payment_status == ST_PP_COMPLETED:
    print('Get success signal')
    user_info = ast.literal_eval(ipn_obj.custom)
    if int(user_info['taggedArticles']) > 11:
        # here i need to generate and send a pdf file to the user in a new tab
        pass
else:
    print('Get fail signal')


payment_was_successful.connect(show_me_the_money)

Update: When I have tested it with live IPN sandbox it returns IPN was sent and the handshake was verified

---

Payment is successfully depositing to the PayPal sandbox merchant account, only the signal is doing some problem.

Help me, please!

Thanks in advance!

Answer 1

I have the same problem. My application worked and now it doesn't. I tried a lot of things (with python3.5 and not 3.6, delete all .pyc, uninstall and install django-paypa, change port...) It doesn't seem to change any thing.

I was giving up, but I recived all my signals in one time. It was a lot of time after. I tried immediately after and nothing, no signals.

So, for me, the probleme is on paypal's server. They takes time. We have to wait.

I hope my experience helps you :)

Currently, it works normally for me (11 march 2018 11am). I hope it's the same for you :)