Return a picture with falcon python30.07.19

def on_get(self, req: falcon.Request, resp: falcon.Response,name):
    # http://foo.com/img/14B-1.6-4.png                                                                                                                                         
    # http://127.0.0.1:8062/img/14B-1.6-4.png

style = name[:-4]
    if style:
      url = '{}/styles/{}'.format(self.cb['host'],style)
      r = requests.get(url,auth=(self.cb['user'],self.cb['pass']))

if r.status_code == 200:
	picture = r.json()['picture']
	path = '{}{}'.format(self.pic_path,picture)
	i = Image.open(path)
        o = io.BytesIO()
        i.save(o, format='PNG',dpi=(300,300))

resp.content_type = 'image/png'
        resp.append_header('Content-Disposition','attachment; filename="{}"'.format(name))
        resp.body = o.getvalue()
        resp.status = falcon.HTTP_200

https://falcon.readthedocs.io/en/stable/user/tutorial.html

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Return a picture with falcon python30.07.19

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