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Pagination in Places Produces ApiError: INVALID_REQUEST (Rate-limit Problem?) #366

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ChicagoDev opened this issue May 30, 2020 · 6 comments · May be fixed by #462
Open

Pagination in Places Produces ApiError: INVALID_REQUEST (Rate-limit Problem?) #366

ChicagoDev opened this issue May 30, 2020 · 6 comments · May be fixed by #462
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triage me I really want to be triaged. type: bug Error or flaw in code with unintended results or allowing sub-optimal usage patterns.

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@ChicagoDev
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Environment Details

API Used: Places
OS: Mac OS 10.15.4 (Catalina)
Python Version: 3.8
Library Version: 4.4.1
Other Info: Executed in PyCharm

Steps to Reproduce

  1. Retrieve a list of places with a radius
  2. submit a next page request with next_page_token

Code that Produces Exception

import googlemaps
import json
from pprint import pprint
import time


## Import API Key
with open('config.json') as config_file:
    config_data = json.load(config_file)

## Establish API Connection
gmaps = googlemaps.Client(key=config_data['maps_api_key'])

## Find places
barber_shops = gmaps.places('barber shop', radius=3218)

#Extract Next Page Token
npt = barber_shops["next_page_token"]

#For Usability
print(f'The first business returned is {barber_shops["results"][0]["name"]}')
print(f'\t The placed id is {barber_shops["results"][0]["id"]}')
print(f'\n\t\tThe next_page_token is {npt}')

#Request the next page || Raises googlemaps.exceptions.ApiError: INVALID_REQUEST
next_page_barber_shops = gmaps.places('barber shop', radius=3218, page_token=npt)
pprint(next_page_barber_shops)

Stack Trace

Traceback (most recent call last):
  File "/Users/bjg/CDA/GMaps_LeadGen/rate_limit_bug", line 26, in <module>
    next_page_barber_shops = gmaps.places('barber shop', radius=3218, page_token=npt)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/googlemaps/client.py", line 418, in wrapper
    result = func(*args, **kwargs)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/googlemaps/places.py", line 243, in places
    return _places(
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/googlemaps/places.py", line 409, in _places
    return client._request(url, params)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/googlemaps/client.py", line 313, in _request
    result = self._get_body(response)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/googlemaps/client.py", line 342, in _get_body
    raise googlemaps.exceptions.ApiError(api_status,
googlemaps.exceptions.ApiError: INVALID_REQUEST

Extra

Adding time.sleep(2) resolves this error and the code executes

Working Code
import googlemaps
import json
from pprint import pprint
import time


## Import API Key
with open('config.json') as config_file:
    config_data = json.load(config_file)

## Establish API Connection
gmaps = googlemaps.Client(key=config_data['maps_api_key'])

## Find places
barber_shops = gmaps.places('barber shop', radius=3218)

#Extract Next Page Token
npt = barber_shops["next_page_token"]

#For Usability
print(f'The first business returned is {barber_shops["results"][0]["name"]}')
print(f'\t The placed id is {barber_shops["results"][0]["id"]}')
print(f'\n\t\tThe next_page_token is {npt}')

#Request the next page || Raises googlemaps.exceptions.ApiError: INVALID_REQUEST
#next_page_barber_shops = gmaps.places('barber shop', radius=3218, page_token=npt)
#pprint(next_page_barber_shops)

#However if time.sleep(2) is utilized, there is no error:
time.sleep(2)
next_page_barber_shops = gmaps.places('barber shop', radius=3218, page_token=npt)
pprint(next_page_barber_shops)
@ChicagoDev ChicagoDev added triage me I really want to be triaged. type: bug Error or flaw in code with unintended results or allowing sub-optimal usage patterns. labels May 30, 2020
@jpoehnelt
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Contributor

I haven't had a chance to look into this. Did you find anything else on this?

@Giuzzilla
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Giuzzilla commented Jul 13, 2020 •
edited

Having the same issue, and can confirm that time.sleep(2) solves it, so it seems to be a rate-limiting issue.

If I call the API twice with no page_token the request works correctly.
If I query multiple different "type" with no sleep I don't get any rate-limiting/error either.

The problem is there even if you don't use a radius.

@skumarlabs
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skumarlabs commented Aug 30, 2020 •
edited

Had the same problem, fixed it using time.sleep(2)
The reason for this behavior is also mentioned in the documentation

There is a short delay between when a next_page_token is issued, and when it will become valid. Requesting the next page before it is available will return an INVALID_REQUEST response. Retrying the request with the same next_page_token will return the next page of results.

@therahulmehta
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There is a short delay between when a next_page_token is issued, and when it will become valid. Requesting the next page before it is available will return an INVALID_REQUEST response. Retrying the request with the same next_page_token will return the next page of results.

@skumarlabs could you point me to where you found that? I just can't seem to find that in the docs now.

@zkne zkne linked a pull request Dec 7, 2022 that will close this issue
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@jpoehnelt jpoehnelt removed their assignment Jan 18, 2023
@koosha-t
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koosha-t commented Oct 2, 2023

Any updates on this?

@Tylerlhess
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This should either be closed as working as designed (as it is according to the docs) or add in an automatic sleep timer with override option when using a next_page_token.

Or better yet update the library to use the Nearby Search (New) api endpoint which only returns 20 results.

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Trigger retry mechanism on invalid requests status zkne/google-maps-services-python
7 participants
@jpoehnelt @Tylerlhess @Giuzzilla @ChicagoDev @therahulmehta @skumarlabs @koosha-t