def build_search_url(query, page=1, per_page=None, lang='en', filter=True, **kwargs):
"""
Build google search url with specified query and pagination options.
:param per_page: 10, 20, 30, 50, 100
kwargs:
tbs=qdr:h
tbs=qdr:d
tbs=qdr:w
tbs=qdr:m
tbs=qdr:y
"""
if per_page is None:
per_page = 10
if isinstance(query, unicode):
query = query.encode('utf-8')
start = per_page * (page - 1)
url = 'http://google.com./search?hl=%s&q=%s&start=%s' % (
lang, urllib.quote(query), start)
if per_page != 10:
url += '&num=%d' % per_page
if not filter:
url += '&filter=0'
if kwargs:
url += '&' + urlencode(kwargs)
return url
def build_search_url(query,
page=None,
per_page=None,
lang=None,
filter=None,
**kwargs):
"""
Build google search url with specified query and pagination options.
:param per_page: 10, 20, 30, 50, 100
kwargs:
tbs=qdr:h
tbs=qdr:d
tbs=qdr:w
tbs=qdr:m
tbs=qdr:y
"""
if per_page is None:
per_page = 10
if page is None:
page = 1
if lang is None:
lang = 'en'
if filter is None:
filter = True
start = per_page * (page - 1)
if not 'hl' in kwargs:
kwargs['hl'] = lang
if not 'num' in kwargs:
kwargs['num'] = per_page
if not 'start' in kwargs:
kwargs['start'] = start
if not 'filter' in kwargs:
if not filter:
kwargs['filter'] = '0'
url = 'http://google.com/search?q=%s' % quote(smart_str(query))
if kwargs:
url += '&' + urlencode(kwargs)
return url
def build_search_url(query, page=None, per_page=None, lang=None,
filter=None, **kwargs):
"""
Build google search url with specified query and pagination options.
:param per_page: 10, 20, 30, 50, 100
kwargs:
tbs=qdr:h
tbs=qdr:d
tbs=qdr:w
tbs=qdr:m
tbs=qdr:y
"""
if per_page is None:
per_page = 10
if page is None:
page = 1
if lang is None:
lang = 'en'
if filter is None:
filter = True
start = per_page * (page - 1)
if not 'hl' in kwargs:
kwargs['hl'] = lang
if not 'num' in kwargs:
kwargs['num'] = per_page
if not 'start' in kwargs:
kwargs['start'] = start
if not 'filter' in kwargs:
if not filter:
kwargs['filter'] = '0'
url = 'http://google.com/search?q=%s' % quote(smart_str(query))
if kwargs:
url += '&' + urlencode(kwargs)
return url
def build_search_url(query, page=None, per_page=None, lang=None, filter=None, **kwargs):
"""
Build google search url with specified query and pagination options.
:param per_page: 10, 20, 30, 50, 100
kwargs:
tbs=qdr:h
tbs=qdr:d
tbs=qdr:w
tbs=qdr:m
tbs=qdr:y
"""
if per_page is None:
per_page = 10
if page is None:
page = 1
if lang is None:
lang = "en"
if filter is None:
filter = True
start = per_page * (page - 1)
if not "hl" in kwargs:
kwargs["hl"] = lang
if not "num" in kwargs:
kwargs["num"] = per_page
if not "start" in kwargs:
kwargs["start"] = start
if not "filter" in kwargs:
if not filter:
kwargs["filter"] = "0"
url = "http://google.com/search?q=%s" % quote(smart_str(query))
if kwargs:
url += "&" + urlencode(kwargs)
return url
def process_config(self, grab):
"""
Setup curl instance with values from ``grab.config``.
"""
# Accumulate all request options into `self.requests_config`
self.requests_config = {
'headers': {},
'payload': None,
'cookies': None,
'proxy': None,
}
if isinstance(grab.config['url'], unicode):
grab.config['url'] = grab.config['url'].encode('utf-8')
self.requests_config['url'] = grab.config['url']
#self.curl.setopt(pycurl.URL, url)
#self.curl.setopt(pycurl.FOLLOWLOCATION, 1)
#self.curl.setopt(pycurl.MAXREDIRS, 5)
#self.curl.setopt(pycurl.CONNECTTIMEOUT, grab.config['connect_timeout'])
#self.curl.setopt(pycurl.TIMEOUT, grab.config['timeout'])
#self.curl.setopt(pycurl.NOSIGNAL, 1)
#self.curl.setopt(pycurl.WRITEFUNCTION, self.body_processor)
#self.curl.setopt(pycurl.HEADERFUNCTION, self.head_processor)
# User-Agent
# TODO: move to base class
if grab.config['user_agent'] is None:
if grab.config['user_agent_file'] is not None:
lines = open(grab.config['user_agent_file']).read().splitlines()
grab.config['user_agent'] = random.choice(lines)
# If value is None then set empty string
# None is not acceptable because in such case
# pycurl will set its default user agent "PycURL/x.xx.x"
# For consistency we send empty User-Agent in case of None value
# in all other transports too
if not grab.config['user_agent']:
grab.config['user_agent'] = ''
self.requests_config['headers']['User-Agent'] = grab.config['user_agent']
#if grab.config['debug']:
#self.curl.setopt(pycurl.VERBOSE, 1)
#self.curl.setopt(pycurl.DEBUGFUNCTION, self.debug_processor)
## Ignore SSL errors
#self.curl.setopt(pycurl.SSL_VERIFYPEER, 0)
#self.curl.setopt(pycurl.SSL_VERIFYHOST, 0)
self.requests_config['method'] = grab.request_method.lower()
if grab.request_method == 'POST' or grab.request_method == 'PUT':
if grab.config['multipart_post']:
raise NotImplementedError
#if isinstance(grab.config['multipart_post'], basestring):
#raise GrabMisuseError('multipart_post option could not be a string')
#post_items = normalize_http_values(grab.config['multipart_post'],
#charset=grab.config['charset'])
#self.curl.setopt(pycurl.HTTPPOST, post_items)
elif grab.config['post']:
if isinstance(grab.config['post'], basestring):
# bytes-string should be posted as-is
# unicode should be converted into byte-string
if isinstance(grab.config['post'], unicode):
post_data = normalize_unicode(grab.config['post'])
else:
post_data = grab.config['post']
else:
# dict, tuple, list should be serialized into byte-string
post_data = urlencode(grab.config['post'])
self.requests_config['payload'] = post_data
#self.curl.setopt(pycurl.POSTFIELDS, post_data)
#elif grab.request_method == 'PUT':
#self.curl.setopt(pycurl.PUT, 1)
#self.curl.setopt(pycurl.READFUNCTION, StringIO(grab.config['post']).read)
elif grab.request_method == 'DELETE':
pass
#self.curl.setopt(pycurl.CUSTOMREQUEST, 'delete')
elif grab.request_method == 'HEAD':
pass
#self.curl.setopt(pycurl.NOBODY, 1)
else:
pass
#self.curl.setopt(pycurl.HTTPGET, 1)
headers = grab.config['common_headers']
if grab.config['headers']:
headers.update(grab.config['headers'])
#header_tuples = [str('%s: %s' % x) for x\
#in headers.iteritems()]
#self.curl.setopt(pycurl.HTTPHEADER, header_tuples)
self.requests_config['headers'].update(headers)
# `cookiefile` option shoul be processed before `cookies` option
# because `load_cookies` updates `cookies` option
if grab.config['cookiefile']:
grab.load_cookies(grab.config['cookiefile'])
if grab.config['cookies']:
items = normalize_http_values(grab.config['cookies'])
self.requests_config['cookies'] = dict(items)
#if not grab.config['reuse_cookies'] and not grab.config['cookies']:
#self.curl.setopt(pycurl.COOKIELIST, 'ALL')
#if grab.config['referer']:
#self.curl.setopt(pycurl.REFERER, str(grab.config['referer']))
#if grab.config['proxy']:
#self.curl.setopt(pycurl.PROXY, str(grab.config['proxy']))
#else:
#self.curl.setopt(pycurl.PROXY, '')
#if grab.config['proxy_userpwd']:
#self.curl.setopt(pycurl.PROXYUSERPWD, grab.config['proxy_userpwd'])
if grab.config['proxy']:
self.requests_config['proxy'] = grab.config['proxy']
if grab.config['proxy_userpwd']:
raise GrabMisuseError('requests transport does not support proxy authentication')
if grab.config['proxy_type']:
if grab.config['proxy_type'] != 'http':
raise GrabMisuseError('requests transport supports only proxies of http type')
