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Need ability to add a User-Agent to SPARQL query requests #62

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Need ability to add a User-Agent to SPARQL query requests#62
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hsolbrig

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@hsolbrig
hsolbrig
opened on Nov 19, 2019

Wikidata has put a set of query limits into place, including the ability to recognize and respond to a HTTP 429 response accompanied by a RETRY-AFTER parameter. It also requires compliance with the USER-AGENT Policy, failure to do as much will result in being "blocked completely".

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  1. hsolbrig
    self-assigned this
    on Nov 19, 2019
  2. hsolbrig
    added a commit that references this issue on Nov 19, 2019

    Add user-agent to SPARQL queries.

    2617cd0

  3. ross-spencer commented on May 18, 2020

    @ross-spencer
    ross-spencer
    on May 18, 2020

    @hsolbrig thanks for the changes in 2617cd0.

    I was receiving 429 responses from Wikidata today. I was trying an example like in: https://github.com/hsolbrig/PyShEx/blob/master/notebooks/SPARQLEndpoints.ipynb. If it look at the agent, something like:

    sparql_query = SPARQLQuery(endpoint, sparql)
print(sparql_query.endpoint.agent)

    Then I am seeing the sparqlwrapper agent return, e.g. sparqlwrapper 1.8.5 (rdflib.github.io/sparqlwrapper). I am wondering if you're seeing the same as me when importing PyShex as a library?

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