commit: b8fc531b60221756446d50b1055161ec6dd1c34c
parent aa1b8fa79b0f9f66c2913b5acae5a63545504e70
Author: Alexandre Flament <alex@al-f.net>
Date: Fri, 5 Jun 2015 11:23:24 +0200
[enh] google engine : parse map links and more
Diffstat:
1 file changed, 166 insertions(+), 14 deletions(-)
diff --git a/searx/engines/google.py b/searx/engines/google.py
@@ -8,6 +8,7 @@
# @stable no (HTML can change)
# @parse url, title, content, suggestion
+import re
from urllib import urlencode
from urlparse import urlparse, parse_qsl
from lxml import html
@@ -78,15 +79,22 @@ country_to_hostname = {
'TW': 'www.google.com.tw' # Taiwan
}
+# osm
+url_map = 'https://www.openstreetmap.org/'\
+ + '?lat={latitude}&lon={longitude}&zoom={zoom}&layers=M'
+
# search-url
search_path = '/search'
-maps_path = '/maps/'
-redirect_path = '/url'
-images_path = '/images'
search_url = ('https://{hostname}' +
search_path +
'?{query}&start={offset}&gbv=1')
+# other URLs
+map_hostname_start = 'maps.google.'
+maps_path = '/maps'
+redirect_path = '/url'
+images_path = '/images'
+
# specific xpath variables
results_xpath = '//li[@class="g"]'
url_xpath = './/h3/a/@href'
@@ -95,10 +103,32 @@ content_xpath = './/span[@class="st"]'
content_misc_xpath = './/div[@class="f slp"]'
suggestion_xpath = '//p[@class="_Bmc"]'
+# map : detail location
+map_address_xpath = './/div[@class="s"]//table//td[2]/span/text()'
+map_phone_xpath = './/div[@class="s"]//table//td[2]/span/span'
+map_website_url_xpath = 'h3[2]/a/@href'
+map_website_title_xpath = 'h3[2]'
+
+# map : near the location
+map_near = 'table[@class="ts"]//tr'
+map_near_title = './/h4'
+map_near_url = './/h4/a/@href'
+map_near_phone = './/span[@class="nobr"]'
+
+# images
images_xpath = './/div/a'
image_url_xpath = './@href'
image_img_src_xpath = './img/@src'
+# property names
+# FIXME : no translation
+property_address = "Address"
+property_phone = "Phone number"
+property_location = "Location"
+property_website = "Web site"
+property_gplus_website = "Google plus"
+
+# cookies
pref_cookie = ''
nid_cookie = {}
@@ -122,6 +152,11 @@ def get_google_nid_cookie(google_hostname):
# remove google-specific tracking-url
def parse_url(url_string, google_hostname):
+ # sanity check
+ if url_string is None:
+ return url_string
+
+ # normal case
parsed_url = urlparse(url_string)
if (parsed_url.netloc in [google_hostname, '']
and parsed_url.path == redirect_path):
@@ -131,6 +166,19 @@ def parse_url(url_string, google_hostname):
return url_string
+# URL : get label
+def url_get_label(url_string):
+ # sanity check
+ if url_string is None:
+ return url_string
+
+ # normal case
+ parsed_url = urlparse(url_string)
+ if parsed_url.netloc == 'plus.google.com':
+ return property_gplus_website
+ return property_website
+
+
# returns extract_text on the first result selected by the xpath or None
def extract_text_from_dom(result, xpath):
r = result.xpath(xpath)
@@ -151,7 +199,7 @@ def request(query, params):
if len(language_array) == 2:
country = language_array[1]
else:
- country = ' '
+ country = 'US'
language = language_array[0] + ',' + language_array[0] + '-' + country
if use_locale_domain:
@@ -196,21 +244,32 @@ def response(resp):
try:
url = parse_url(extract_url(result.xpath(url_xpath), google_url), google_hostname)
parsed_url = urlparse(url, google_hostname)
- if (parsed_url.netloc == google_hostname
- and (parsed_url.path == search_path
- or parsed_url.path.startswith(maps_path))):
- # remove the link to google news and google maps
- # FIXME : sometimes the URL is https://maps.google.*/maps
- # no consequence, the result trigger an exception after which is ignored
- continue
+
+ # map result
+ if ((parsed_url.netloc == google_hostname and parsed_url.path.startswith(maps_path))
+ or (parsed_url.netloc.startswith(map_hostname_start))):
+ x = result.xpath(map_near)
+ if len(x) > 0:
+ # map : near the location
+ results = results + parse_map_near(parsed_url, x, google_hostname)
+ else:
+ # map : detail about a location
+ results = results + parse_map_detail(parsed_url, result, google_hostname)
+
+ # google news
+ elif (parsed_url.netloc == google_hostname
+ and parsed_url.path == search_path):
+ # skipping news results
+ pass
# images result
- if (parsed_url.netloc == google_hostname
- and parsed_url.path == images_path):
+ elif (parsed_url.netloc == google_hostname
+ and parsed_url.path == images_path):
# only thumbnail image provided,
# so skipping image results
# results = results + parse_images(result, google_hostname)
pass
+
else:
# normal result
content = extract_text_from_dom(result, content_xpath)
@@ -223,7 +282,7 @@ def response(resp):
results.append({'url': url,
'title': title,
'content': content})
- except Exception:
+ except:
continue
# parse suggestion
@@ -249,3 +308,96 @@ def parse_images(result, google_hostname):
'template': 'images.html'})
return results
+
+
+def parse_map_near(parsed_url, x, google_hostname):
+ results = []
+
+ for result in x:
+ title = extract_text_from_dom(result, map_near_title)
+ url = parse_url(extract_text_from_dom(result, map_near_url), google_hostname)
+ phone = extract_text_from_dom(result, map_near_phone)
+ if phone is not None:
+ phone = property_phone + ": " + phone
+ results.append({'url': url,
+ 'title': title,
+ 'content': phone})
+
+ return results
+
+
+def parse_map_detail(parsed_url, result, google_hostname):
+ results = []
+
+ # try to parse the geoloc
+ m = re.search('@([0-9\.]+),([0-9\.]+),([0-9]+)', parsed_url.path)
+ if m is None:
+ m = re.search('ll\=([0-9\.]+),([0-9\.]+)\&z\=([0-9]+)', parsed_url.query)
+
+ if m is not None:
+ # geoloc found
+ lon = float(m.group(2))
+ lat = float(m.group(1))
+ zoom = int(m.group(3))
+
+ # TODO : map zoom to dlon / dlat
+ dlon = 0.000001
+ dlat = 0.000001
+
+ boundingbox = [round(lat - dlat, 7), round(lat + dlat, 7), round(lon - dlon, 7), round(lon + dlon, 7)]
+ map_url = url_map\
+ .replace('{latitude}', str(lat))\
+ .replace('{longitude}', str(lon))\
+ .replace('{zoom}', str(zoom+2))
+
+ geojson = {u'type': u'Point',
+ u'coordinates': [lon, lat]
+ }
+
+ # attributes
+ attributes = []
+ add_attributes(attributes, property_address, extract_text_from_dom(result, map_address_xpath))
+ add_attributes(attributes, property_phone, extract_text_from_dom(result, map_phone_xpath))
+
+ # title / content / url
+ website_title = extract_text_from_dom(result, map_website_title_xpath)
+ content = extract_text_from_dom(result, content_xpath)
+ website_url = parse_url(extract_text_from_dom(result, map_website_url_xpath), google_hostname)
+
+ # add an infobox if there is a website
+ if website_url is not None:
+ results.append({'infobox': website_title,
+ 'id': website_url,
+ 'content': content,
+ 'attributes': attributes,
+ 'urls': [
+ {'title': url_get_label(website_url), 'url': website_url},
+ {'title': property_location, 'url': map_url}
+ ]
+ })
+
+ # usefull because user can see the map directly into searx
+ results.append({'template': 'map.html',
+ 'title': website_title,
+ 'content': (content + '<br />' if content is not None else '')
+ + attributes_to_html(attributes),
+ 'longitude': lon,
+ 'latitude': lat,
+ 'boundingbox': boundingbox,
+ 'geojson': geojson,
+ 'url': website_url if website_url is not None else map_url
+ })
+ return results
+
+
+def add_attributes(attributes, name, value):
+ if value is not None and len(value) > 0:
+ attributes.append({'label': name, 'value': value})
+
+
+def attributes_to_html(attributes):
+ retval = '<table class="table table-striped">'
+ for a in attributes:
+ retval = retval + '<tr><th>' + a.get('label') + '</th><td>' + a.get('value') + '</td></tr>'
+ retval = retval + '</table>'
+ return retval
