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[enh] XPath engine - add time range support
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
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@ -39,6 +39,12 @@ Search URL of the engine, replacements are:
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``{lang}``:
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``{lang}``:
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ISO 639-1 language code (en, de, fr ..)
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ISO 639-1 language code (en, de, fr ..)
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``{time_range}``:
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:py:obj:`URL parameter <time_range_url>` if engine :py:obj:`supports time
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range <time_range_support>`. The value for the parameter is taken from
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:py:obj:`time_range_map`.
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"""
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"""
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lang_all='en'
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lang_all='en'
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@ -80,6 +86,37 @@ number, but an offset.'''
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first_page_num = 1
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first_page_num = 1
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'''Number of the first page (usually 0 or 1).'''
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'''Number of the first page (usually 0 or 1).'''
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time_range_support = False
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'''Engine supports search time range.'''
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time_range_url = '&hours={time_range_val}'
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'''Time range URL parameter in the in :py:obj:`search_url`. If no time range is
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requested by the user, the URL paramter is an empty string. The
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``{time_range_val}`` replacement is taken from the :py:obj:`time_range_map`.
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.. code:: yaml
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time_range_url : '&days={time_range_val}'
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'''
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time_range_map = {
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'day': 24,
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'week': 24*7,
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'month': 24*30,
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'year': 24*365,
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}
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'''Maps time range value from user to ``{time_range_val}`` in
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:py:obj:`time_range_url`.
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.. code:: yaml
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time_range_map:
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day: 1
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week: 7
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month: 30
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year: 365
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'''
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def request(query, params):
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def request(query, params):
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'''Build request parameters (see :ref:`engine request`).
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'''Build request parameters (see :ref:`engine request`).
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@ -87,11 +124,19 @@ def request(query, params):
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lang = lang_all
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lang = lang_all
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if params['language'] != 'all':
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if params['language'] != 'all':
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lang = params['language'][:2]
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lang = params['language'][:2]
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time_range = ''
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if params.get('time_range'):
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time_range_val = time_range_map.get(params.get('time_range'))
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time_range = time_range_url.format(time_range_val=time_range_val)
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fargs = {
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fargs = {
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'query': urlencode({'q': query})[2:],
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'query': urlencode({'q': query})[2:],
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'lang': lang,
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'lang': lang,
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'pageno': (params['pageno'] - 1) * page_size + first_page_num
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'pageno': (params['pageno'] - 1) * page_size + first_page_num,
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'time_range' : time_range,
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}
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}
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params['url'] = search_url.format(**fargs)
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params['url'] = search_url.format(**fargs)
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params['soft_max_redirects'] = soft_max_redirects
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params['soft_max_redirects'] = soft_max_redirects
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logger.debug("query_url --> %s", params['url'])
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logger.debug("query_url --> %s", params['url'])
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