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Update README.rst #241

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33 changes: 33 additions & 0 deletions README.rst
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Expand Up @@ -302,6 +302,39 @@ The above should print out something like:
ca, Astúries


Proxy example
^^^^^^^^^^^^^^^^^^^^^^

How to use a proxy to query data:

.. code-block:: python

import urllib.request

HTTP_PROXIES = {
'http': f'http://{PROXY_USER}:{PROXY_PASSWORD}@{PROXY_HOST}:{PROXY_PORT}',
'https': f'https: //{PROXY_USER}:{PROXY_PASSWORD}@{PROXY_HOST}:{PROXY_PORT}'}

proxy_support = urllib.request.ProxyHandler(HTTP_PROXIES)
opener = urllib.request.build_opener(proxy_support)
urllib.request.install_opener(opener)

sparql = SPARQLWrapper("http://dbpedia.org/sparql")
sparql.setQuery("""
PREFIX dbp: <http://dbpedia.org/resource/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>

SELECT ?label
WHERE {
dbp:Asturias rdfs:label ?label
}
LIMIT 3
"""
)

for result in sparql.query().bindings:
print(f"{result['label'].lang}, {result['label'].value}")

Return formats
--------------

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