[enh] XPath engine - add time range support

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2021-05-23 16:49:30 +02:00
parent 1933577c8e
commit 6bfe3fd033

View File

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