django-cas-server/cas_server/utils.py

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"""Some util function for the app"""
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import urlparse
import urllib
def update_url(url, params):
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"""update params in the `url` query string"""
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url_parts = list(urlparse.urlparse(url))
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query = dict(urlparse.parse_qsl(url_parts[4]))
query.update(params)
url_parts[4] = urllib.urlencode(query)
return urlparse.urlunparse(url_parts)