Create Databundle API

#Get token
api_url = "https://arisemdsvm.science.uva.nl//api-token-auth/"       
response = requests.post(api_url,{"username":username,"password":password})
token=response.json()['token']

#Get files based on a query
api_url = "http://arisemds.science.uva.nl/api/File/"
response = requests.get(api_url,
                         headers={'Authorization': 'token {}'.format(token)},
                         params={"extrainfo":"test__foo"}
                         )
#Get file IDs from this query
allids=[x['id'] for x in response.json()]

#pass file IDs to bundle creator
api_url = "https://arisemdsvm.science.uva.nl//api/CreateDatabundle/"
response = requests.post(api_url,
                         headers={'Authorization': 'token {}'.format(token)},
                         data={"fileids":allids
                                 }
                         )
result=response.json()
#get the names of the bundles that will be created
bundlenames=result['bundlenames']


result={}
#repeat query about whether these bundles are ready until all the bundles are ready                    
while len(result)!=len(bundlenames):
    time.sleep(30)      
    api_url = "https://arisemdsvm.science.uva.nl//api/Databundle/"
    response = requests.get(api_url,
                             headers={'Authorization': 'token {}'.format(token)},
                             params={"bundlename__in":bundlenames,
                                     "ready":True}
                             )
    result=response.json()

#get urls
urls=[x['fileurl'] for x in result]

#download each url
for url in urls:
    fullurl="https://arisemdsvm.science.uva.nl/"+url
    r = requests.get(fullurl, stream = True)

    with open(url.split("/")[-1],"wb") as f:
        for chunk in r.iter_content(chunk_size=1024):

             # writing one chunk at a time
             if chunk:
                 f.write(chunk)

#on completion, delete these data bundles
api_url = "https://arisemdsvm.science.uva.nl//api/Databundle/"
response = requests.delete(api_url,
                         headers={'Authorization': 'token {}'.format(token)},
                         params={"bundlename__in":bundlenames,"ready":True}
                         )