8000 Cursor's skip setting is lost after an iteration on the cursor · Issue #41 · numberly/appnexus-client · GitHub
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Cursor's skip setting is lost after an iteration on the cursor #41

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shnups opened this issue Oct 21, 2019 · 0 comments
Open

Cursor's skip setting is lost after an iteration on the cursor #41

shnups opened this issue Oct 21, 2019 · 0 comments

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@shnups
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shnups commented Oct 21, 2019

Using the following code snippet:

import logging

from appnexus import Campaign, connect

logging.basicConfig()
logging.getLogger("appnexus-client").setLevel(logging.DEBUG)

connect('XXXXXXXXXX', 'XXXXXXXXXX')

def gather(cursor):
    print("----------")
    print("Cursor.before:\tskip={}, limit={}".format(cursor._skip, cursor._limit))

    results = [res for res in cursor]   

    print("Results:\t{}".format(len(results)))
    print("Cursor.after:\tskip={}, limit={}".format(cursor._skip, cursor._limit))

cursor = Campaign.find(advertiser_id=XXXXXXXXXX)
cursor.skip(10)
gather(cursor)

The following will be outputted (authentication-related logs redacted):

----------
Cursor.before:  skip=100, limit=inf
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=0&num_elements=1 None
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=0&num_elements=100 None
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=100&num_elements=100 None
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=200&num_elements=100 None
Results:        128
Cursor.after:   skip=0, limit=inf
----------
Cursor.before:  skip=0, limit=inf
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=0&num_elements=1 None
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=0&num_elements=100 None
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=100&num_elements=100 None
DEBUG:appnexus-client:{'Authorization': 'XXXXXXXXXX'} https://api.appnexus.com/campaign?advertiser_id=XXXXXXXXXX&start_element=200&num_elements=100 None
Results:        228
Cursor.after:   skip=0, limit=inf

I believe that a value to skip should be set once and maintain during the lifetime of the cursor instance, or at least until it is set again.
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