Merge pull request #678 from potato/master

[engine] dictzone + mymemory.translated engine

searx/engines/dictzone.py

+"""
+ Dictzone
+
+ @website     https://dictzone.com/
+ @provide-api no
+ @using-api   no
+ @results     HTML (using search portal)
+ @stable      no (HTML can change)
+ @parse       url, title, content
+"""
+
+import re
+from urlparse import urljoin
+from lxml import html
+from cgi import escape
+from searx.engines.xpath import extract_text
+from searx.utils import is_valid_lang
+
+categories = ['general']
+url = 'http://dictzone.com/{from_lang}-{to_lang}-dictionary/{query}'
+weight = 100
+
+parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) ([^ ]+)$', re.I)
+results_xpath = './/table[@id="r"]/tr'
+
+
+def request(query, params):
+    m = parser_re.match(unicode(query, 'utf8'))
+    if not m:
+        return params
+
+    from_lang, to_lang, query = m.groups()
+
+    from_lang = is_valid_lang(from_lang)
+    to_lang = is_valid_lang(to_lang)
+
+    if not from_lang or not to_lang:
+        return params
+
+    params['url'] = url.format(from_lang=from_lang[2],
+                               to_lang=to_lang[2],
+                               query=query)
+
+    return params
+
+
+def response(resp):
+    results = []
+
+    dom = html.fromstring(resp.text)
+
+    for k, result in enumerate(dom.xpath(results_xpath)[1:]):
+        try:
+            from_result, to_results_raw = result.xpath('./td')
+        except:
+            continue
+
+        to_results = []
+        for to_result in to_results_raw.xpath('./p/a'):
+            t = to_result.text_content()
+            if t.strip():
+                to_results.append(to_result.text_content())
+
+        results.append({
+            'url': urljoin(resp.url, '?%d' % k),
+            'title': escape(from_result.text_content()),
+            'content': escape('; '.join(to_results))
+        })
+
+    return results

searx/engines/translated.py

+"""
+ MyMemory Translated
+
+ @website     https://mymemory.translated.net/
+ @provide-api yes (https://mymemory.translated.net/doc/spec.php)
+ @using-api   yes
+ @results     JSON
+ @stable      yes
+ @parse       url, title, content
+"""
+import re
+from urlparse import urljoin
+from lxml import html
+from cgi import escape
+from searx.engines.xpath import extract_text
+from searx.utils import is_valid_lang
+
+categories = ['general']
+url = 'http://api.mymemory.translated.net/get?q={query}' \
+      '&langpair={from_lang}|{to_lang}{key}'
+web_url = 'http://mymemory.translated.net/en/{from_lang}/{to_lang}/{query}'
+weight = 100
+
+parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.{2,})$', re.I)
+api_key = ''
+
+
+def request(query, params):
+    m = parser_re.match(unicode(query, 'utf8'))
+    if not m:
+        return params
+
+    from_lang, to_lang, query = m.groups()
+
+    from_lang = is_valid_lang(from_lang)
+    to_lang = is_valid_lang(to_lang)
+
+    if not from_lang or not to_lang:
+        return params
+
+    if api_key:
+        key_form = '&key=' + api_key
+    else:
+        key_form = ''
+    params['url'] = url.format(from_lang=from_lang[1],
+                               to_lang=to_lang[1],
+                               query=query,
+                               key=key_form)
+    params['query'] = query
+    params['from_lang'] = from_lang
+    params['to_lang'] = to_lang
+
+    return params
+
+
+def response(resp):
+    results = []
+    results.append({
+        'url': escape(web_url.format(
+            from_lang=resp.search_params['from_lang'][2],
+            to_lang=resp.search_params['to_lang'][2],
+            query=resp.search_params['query'])),
+        'title': escape('[{0}-{1}] {2}'.format(
+            resp.search_params['from_lang'][1],
+            resp.search_params['to_lang'][1],
+            resp.search_params['query'])),
+        'content': escape(resp.json()['responseData']['translatedText'])
+    })
+    return results

searx/settings.yml

     timeout: 6.0
     categories : science
 
+  - name : dictzone
+    engine : dictzone
+    shortcut : dc
+
+  - name : mymemory translated
+    engine : translated
+    shortcut : tl
+    timeout : 5.0
+    disabled : True
+    # You can use without an API key, but you are limited to 1000 words/day
+    # See : http://mymemory.translated.net/doc/usagelimits.php
+    # api_key : ''
+
 #The blekko technology and team have joined IBM Watson! -> https://blekko.com/
 #  - name : blekko images
 #    engine : blekko_images

searx/utils.py

 from random import choice
 
 from searx.version import VERSION_STRING
+from searx.languages import language_codes
 from searx import settings
 from searx import logger
 
         filesize = None
 
     return filesize
+
+
+def is_valid_lang(lang):
+    is_abbr = (len(lang) == 2)
+    if is_abbr:
+        for l in language_codes:
+            if l[0][:2] == lang.lower():
+                return (True, l[0][:2], l[1].lower())
+        return False
+    else:
+        for l in language_codes:
+            if l[1].lower() == lang.lower():
+                return (True, l[0][:2], l[1].lower())
+        return False