def qr_code(self, request):
qrcode = QRCode.get_or_create(
poim_client=self.poim_client,
session_id=session_id,
)
qrcode.save()
fp = mk_qrcode(qrcode.url)
return ResponseStream(fp)
def csv_download_response(rows, filename, fieldnames=None):
response = Response(
content_type='text/csv',
headers={
'Content-disposition': f'attachment; filename="{filename}"',
},
)
csv_writer = csv.DictWriter(ResponseStream(response),
fieldnames=fieldnames)
csv_writer.writeheader()
csv_writer.writerows(rows)
return response
def response_with_csv_download(rows, filename_prefix, fieldnames=None):
now = datetime.now().strftime('%Y-%m-%d_%H-%M-%S')
response = Response(
content_type='text/csv',
headers={
'Content-disposition':
f'attachment; filename="{filename_prefix}_{now}.csv"',
},
)
csv_writer = csv.DictWriter(ResponseStream(response),
fieldnames=fieldnames)
csv_writer.writeheader()
csv_writer.writerows(rows)
return response
def out_stream(self):
"""The response iterable as write-only stream."""
return ResponseStream(self)