Created
May 27, 2018 09:24
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A minimal Django program demonstrating errors in postmarker application
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| from django.conf import settings | |
| settings.configure( | |
| DEBUG=True, | |
| SECRET_KEY='A-random-secret-key!', | |
| EMAIL_BACKEND = 'postmarker.django.EmailBackend', | |
| POSTMARK = { | |
| 'TOKEN': 'POSTMARK_API_TEST', | |
| 'TEST_MODE': True, | |
| 'VERBOSITY': 3, | |
| } | |
| ) | |
| def text_and_html_alternative_success(): | |
| """ | |
| Thus function sends a text body and html alternative. | |
| This function succeeds. | |
| """ | |
| from django.core.mail import EmailMultiAlternatives | |
| msg = EmailMultiAlternatives( | |
| subject='Subject', body='Text body', from_email='[email protected]', | |
| to=['[email protected]'] | |
| ) | |
| msg.attach_alternative('<html></html>', "text/html") | |
| msg.send(fail_silently=False) | |
| def text_and_pdf_attachment_success(): | |
| """ | |
| This functions sends a text body and PDF attachment | |
| This function succeeds. | |
| """ | |
| from django.core.mail import EmailMultiAlternatives | |
| msg = EmailMultiAlternatives( | |
| subject='Subject', body='Body', from_email='[email protected]', | |
| to=['[email protected]'] | |
| ) | |
| msg.attach('hello.pdf', 'PDF-File-Contents', 'application/pdf') | |
| msg.send(fail_silently=False) | |
| def text_html_alternative_and_pdf_attachment_failure(): | |
| """ | |
| This functions sends a text body, HTML alternative, and PDF attachment. | |
| This function fails. | |
| """ | |
| from django.core.mail import EmailMultiAlternatives | |
| msg = EmailMultiAlternatives( | |
| subject='Subject', body='Body', from_email='[email protected]', | |
| to=['[email protected]'] | |
| ) | |
| msg.attach_alternative('<html></html>', "text/html") | |
| msg.attach('hello.pdf', 'PDF-File-Contents', 'application/pdf') | |
| msg.send(fail_silently=False) | |
| def text_and_text_attachment_failure(): | |
| """ | |
| This function sends a text body and text attachment. | |
| This function fails. | |
| """ | |
| from django.core.mail import EmailMultiAlternatives | |
| msg = EmailMultiAlternatives( | |
| subject='Subject', body='Body', from_email='[email protected]', | |
| to=['[email protected]'] | |
| ) | |
| msg.attach('hello.txt', 'Hello World', 'text/plain') | |
| msg.send(fail_silently=False) | |
| if __name__ == '__main__': | |
| import django | |
| django.setup() | |
| # text_and_html_alternative_success() | |
| # text_and_pdf_attachment_success() | |
| # text_html_alternative_and_pdf_attachment_failure() | |
| # text_and_text_attachment_failure() |
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| Ouput open running text_and_text_attachment_failure() | |
| 2018-05-27 09:23:24,588 - Postmarker - DEBUG - Request: POST https://api.postmarkapp.com/email/batch, Data: ({'TrackOpens': False, 'Attachments': [{'Name': 'hello.txt', 'Content': 'Hello World', 'ContentType': 'text/plain'}], 'TextBody': 'Body', 'From': '[email protected]', 'Cc': None, 'ReplyTo': None, 'Bcc': None, 'To': '[email protected]', 'Tag': None, 'HtmlBody': None, 'Headers': [], 'Subject': 'Subject'},) | |
| 2018-05-27 09:23:26,211 - Postmarker - DEBUG - Response: [{"ErrorCode":300,"Message":"Invalid attachment content - illegal base64 string."}] | |
| Traceback (most recent call last): | |
| File "minimal.py", line 78, in <module> | |
| text_and_text_attachment_failure() | |
| File "minimal.py", line 70, in text_and_text_attachment_failure | |
| msg.send(fail_silently=False) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/django/core/mail/message.py", line 348, in send | |
| return self.get_connection(fail_silently).send_messages([self]) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/django/backend.py", line 71, in send_messages | |
| self.raise_for_response(not_sent) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/django/backend.py", line 89, in raise_for_response | |
| raise PostmarkerException(message) | |
| postmarker.exceptions.PostmarkerException: [300] Invalid attachment content - illegal base64 string. |
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| Output upon running function text_html_alternative_and_pdf_attachment_failure(). | |
| 2018-05-27 09:22:22,010 - Postmarker - DEBUG - Request: POST https://api.postmarkapp.com/email/batch, Data: ({'TextBody': 'Body', 'HtmlBody': '<html></html>', 'Headers': [], 'ReplyTo': None, 'Subject': 'Subject', 'Bcc': None, 'From': '[email protected]', 'Cc': None, 'Attachments': [{'Name': None, 'Content': [<django.core.mail.message.SafeMIMEText object at 0x7f8f349f4390>, <django.core.mail.message.SafeMIMEText object at 0x7f8f349f4470>], 'ContentType': 'multipart/alternative'}, {'Name': 'hello.pdf', 'Content': 'UERGLUZpbGUtQ29udGVudHM=\n', 'ContentType': 'application/pdf'}], 'To': '[email protected]', 'TrackOpens': False, 'Tag': None},) | |
| Traceback (most recent call last): | |
| File "minimal.py", line 77, in <module> | |
| text_html_alternative_and_pdf_attachment_failure() | |
| File "minimal.py", line 56, in text_html_alternative_and_pdf_attachment_failure | |
| msg.send(fail_silently=False) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/django/core/mail/message.py", line 348, in send | |
| return self.get_connection(fail_silently).send_messages([self]) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/django/backend.py", line 66, in send_messages | |
| responses = self.client.emails.send_batch(*prepared_messages, TrackOpens=self.get_option('TRACK_OPENS')) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/models/emails.py", line 332, in send_batch | |
| return self.EmailBatch(*emails).send(**extra) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/models/emails.py", line 247, in send | |
| responses = [self._manager._send_batch(*batch) for batch in chunks(emails, self.MAX_SIZE)] | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/models/emails.py", line 247, in <listcomp> | |
| responses = [self._manager._send_batch(*batch) for batch in chunks(emails, self.MAX_SIZE)] | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/models/emails.py", line 276, in _send_batch | |
| return self.call('POST', '/email/batch', data=emails) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/models/base.py", line 72, in call | |
| return self.client.call(*args, **kwargs) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/core.py", line 106, in call | |
| **kwargs | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/postmarker/core.py", line 129, in _call | |
| method, url, json=data, params=kwargs, headers=default_headers, timeout=self.timeout | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/requests/sessions.py", line 494, in request | |
| prep = self.prepare_request(req) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/requests/sessions.py", line 437, in prepare_request | |
| hooks=merge_hooks(request.hooks, self.hooks), | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/requests/models.py", line 308, in prepare | |
| self.prepare_body(data, files, json) | |
| File "/home/vagrant/postmarker-test/venv-django-1.11/lib/python3.5/site-packages/requests/models.py", line 458, in prepare_body | |
| body = complexjson.dumps(json) | |
| File "/usr/lib/python3.5/json/__init__.py", line 230, in dumps | |
| return _default_encoder.encode(obj) | |
| File "/usr/lib/python3.5/json/encoder.py", line 198, in encode | |
| chunks = self.iterencode(o, _one_shot=True) | |
| File "/usr/lib/python3.5/json/encoder.py", line 256, in iterencode | |
| return _iterencode(o, 0) | |
| File "/usr/lib/python3.5/json/encoder.py", line 179, in default | |
| raise TypeError(repr(o) + " is not JSON serializable") | |
| TypeError: <django.core.mail.message.SafeMIMEText object at 0x7f8f349f4390> is not JSON serializable |
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