searx/engines/duden.py
def request(query, params):
    '''pre-request callback
    params<dict>:
      method  : POST/GET
      headers : {}
      data    : {} # if method == POST
      url     : ''
      category: 'search category'
      pageno  : 1 # number of the requested page
    '''

    offset = (params['pageno'] - 1)
    params['url'] = search_url.format(offset=offset, query=quote(query))
    return params
def request(query, params):
    '''pre-request callback
    params<dict>:
      method  : POST/GET
      headers : {}
      data    : {} # if method == POST
      url     : ''
      category: 'search category'
      pageno  : 1 # number of the requested page
    '''

    offset = (params['pageno'] - 1)
    params['url'] = search_url.format(offset=offset, query=quote(query))
    return params
pre-request callback
    params<dict>:
      method  : POST/GET
      headers : {}
      data    : {} # if method == POST
      url     : ''
      category: 'search category'
      pageno  : 1 # number of the requested page