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add duckduckgo images engine

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marc 2017-05-20 22:33:08 -05:00 • committed by Adam Tauber
parent e60e98156f
commit c65a409f0d
4 changed files with 205 additions and 31 deletions
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67
searx/engines/duckduckgo.py
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@ -41,6 +41,39 @@ title_xpath = './/a[@class="result__a"]'
content_xpath = './/a[@class="result__snippet"]'
# match query's language to a region code that duckduckgo will accept
def get_region_code(lang):
# custom fixes for languages
if lang == 'all':
region_code = None
elif lang[:2] == 'ja':
region_code = 'jp-jp'
elif lang[:2] == 'sl':
region_code = 'sl-sl'
elif lang == 'zh-TW':
region_code = 'tw-tzh'
elif lang == 'zh-HK':
region_code = 'hk-tzh'
elif lang[-2:] == 'SA':
region_code = 'xa-' + lang.split('-')[0]
elif lang[-2:] == 'GB':
region_code = 'uk-' + lang.split('-')[0]
else:
region_code = lang.split('-')
if len(region_code) == 2:
# country code goes first
region_code = region_code[1].lower() + '-' + region_code[0].lower()
else:
# tries to get a country code from language
region_code = region_code[0].lower()
for lc in supported_languages:
lc = lc.split('-')
if region_code == lc[0]:
region_code = lc[1].lower() + '-' + lc[0].lower()
break
return region_code
# do search-request
def request(query, params):
if params['time_range'] and params['time_range'] not in time_range_dict:
@ -49,38 +82,10 @@ def request(query, params):
offset = 30 + (params['pageno'] - 1) * 50
dc_param = offset + 1
# custom fixes for languages
if params['language'] == 'all':
locale = None
elif params['language'][:2] == 'ja':
locale = 'jp-jp'
elif params['language'][:2] == 'sl':
locale = 'sl-sl'
elif params['language'] == 'zh-TW':
locale = 'tw-tzh'
elif params['language'] == 'zh-HK':
locale = 'hk-tzh'
elif params['language'][-2:] == 'SA':
locale = 'xa-' + params['language'].split('-')[0]
elif params['language'][-2:] == 'GB':
locale = 'uk-' + params['language'].split('-')[0]
else:
locale = params['language'].split('-')
if len(locale) == 2:
# country code goes first
locale = locale[1].lower() + '-' + locale[0].lower()
else:
# tries to get a country code from language
locale = locale[0].lower()
for lc in supported_languages:
lc = lc.split('-')
if locale == lc[0]:
locale = lc[1].lower() + '-' + lc[0].lower()
break
if locale:
region_code = get_region_code(params['language'])
if region_code:
params['url'] = url.format(
query=urlencode({'q': query, 'kl': locale}), offset=offset, dc_param=dc_param)
query=urlencode({'q': query, 'kl': region_code}), offset=offset, dc_param=dc_param)
else:
params['url'] = url.format(
query=urlencode({'q': query}), offset=offset, dc_param=dc_param)