def ping(name, url, grab, thread_number=10):
"""
Do XMLRPC ping of given site.
"""
name = smart_str(name)
url = smart_str(url)
def worker(rpc_url):
post = PING_XML % {
'url': html.escape(url),
'name': html.escape(name),
}
ok = False
try:
grab.go(rpc_url, post=post)
except Exception as ex:
logging.error(unicode(ex))
else:
if not '<boolean>0' in grab.response.body:
logging.error('%s : FAIL' % rpc_url)
logging.error(grab.response.body[:1000])
else:
ok = True
return rpc_url, ok
results = []
for rpc_url, ok in make_work(worker, SERVER_LIST, thread_number):
results.append((rpc_url, ok))
return results
def save_list(self, list_name, path):
"""
Save items from list to the file.
"""
with open(path, 'wb') as out:
lines = []
for item in self.items.get(list_name, []):
if isinstance(item, (six.text_type, six.binary_type)):
lines.append(smart_str(item))
else:
lines.append(smart_str(json.dumps(item)))
out.write(b'\n'.join(lines) + b'\n')
def save_list(self, list_name, path):
"""
Save items from list to the file.
"""
with open(path, 'wb') as out:
lines = []
for item in self.items.get(list_name, []):
if isinstance(item, (six.text_type, six.binary_type)):
lines.append(smart_str(item))
else:
lines.append(smart_str(json.dumps(item)))
out.write(b'\n'.join(lines) + b'\n')
def sanitize_html(html, encoding='utf-8', return_unicode=False):
html = smart_str(html, encoding=encoding)
if RE_TAG_START.search(html):
html = render_html(parse_html(html))
if return_unicode:
return html.decode('utf-8')
else:
return html
def sanitize_html(html, encoding='utf-8', return_unicode=False):
html = smart_str(html, encoding=encoding)
if RE_TAG_START.search(html):
html = render_html(parse_html(html))
if return_unicode:
return html.decode('utf-8')
else:
return html
def build_search_url(query, page=1, per_page=None, lang='en', filter=True,
region=213, **kwargs):
"""
Build yandex search url with specified query and pagination options.
:param per_page: 10, 20, 30, 50, 100
213 region is Moscow
"""
query = smart_str(query)
url = 'http://yandex.ru/yandsearch?text=%s&lr=%s' % (
quote(query), region)
if kwargs:
url += '&' + urlencode(kwargs)
url += '&p=%d' % (page - 1)
return url
def build_search_url(query,
page=1,
per_page=None,
lang='en',
filter=True,
region=213,
**kwargs):
"""
Build yandex search url with specified query and pagination options.
:param per_page: 10, 20, 30, 50, 100
213 region is Moscow
"""
query = smart_str(query)
url = 'http://yandex.ru/yandsearch?text=%s&lr=%s' % (quote(query), region)
if kwargs:
url += '&' + urlencode(kwargs)
url += '&p=%d' % (page - 1)
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 ``self.config``.
"""
# Copy some config for future usage
self.config_nobody = grab.config['nobody']
self.config_body_maxsize = grab.config['body_maxsize']
try:
request_url = normalize_url(grab.config['url'])
except Exception as ex:
raise error.GrabInvalidUrl(
u'%s: %s' % (six.text_type(ex), grab.config['url']))
# py3 hack
if not six.PY3:
request_url = smart_str(request_url)
self.curl.setopt(pycurl.URL, request_url)
self.curl.setopt(pycurl.FOLLOWLOCATION,
1 if grab.config['follow_location'] else 0)
self.curl.setopt(pycurl.MAXREDIRS, grab.config['redirect_limit'])
self.curl.setopt(pycurl.CONNECTTIMEOUT, grab.config['connect_timeout'])
self.curl.setopt(pycurl.TIMEOUT, grab.config['timeout'])
self.curl.setopt(pycurl.IPRESOLVE, pycurl.IPRESOLVE_V4)
# self.curl.setopt(pycurl.DNS_CACHE_TIMEOUT, 0)
if not grab.config['connection_reuse']:
self.curl.setopt(pycurl.FRESH_CONNECT, 1)
self.curl.setopt(pycurl.FORBID_REUSE, 1)
self.curl.setopt(pycurl.NOSIGNAL, 1)
self.curl.setopt(pycurl.HEADERFUNCTION, self.head_processor)
if grab.config['body_inmemory']:
self.curl.setopt(pycurl.WRITEFUNCTION, self.body_processor)
else:
if not grab.config['body_storage_dir']:
raise error.GrabMisuseError(
'Option body_storage_dir is not defined')
self.setup_body_file(grab.config['body_storage_dir'],
grab.config['body_storage_filename'])
self.curl.setopt(pycurl.WRITEFUNCTION, self.body_processor)
if grab.config['verbose_logging']:
self.verbose_logging = True
# User-Agent
if grab.config['user_agent'] is None:
if grab.config['user_agent_file'] is not None:
with open(grab.config['user_agent_file']) as inf:
lines = inf.read().splitlines()
grab.config['user_agent'] = random.choice(lines)
else:
grab.config['user_agent'] = random_user_agent()
# 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"
if not grab.config['user_agent']:
grab.config['user_agent'] = ''
self.curl.setopt(pycurl.USERAGENT, 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)
# Disabled to avoid SSL3_READ_BYTES:sslv3 alert handshake failure error
# self.curl.setopt(pycurl.SSLVERSION, pycurl.SSLVERSION_SSLv3)
if grab.request_method == 'POST':
self.curl.setopt(pycurl.POST, 1)
if grab.config['multipart_post']:
if isinstance(grab.config['multipart_post'], six.string_types):
raise error.GrabMisuseError(
'multipart_post option could not be a string')
post_items = normalize_http_values(
grab.config['multipart_post'],
charset=grab.config['charset'],
ignore_classes=(UploadFile, UploadContent),
)
# py3 hack
if six.PY3:
post_items = decode_pairs(post_items,
grab.config['charset'])
# import pdb; pdb.set_trace()
self.curl.setopt(pycurl.HTTPPOST,
process_upload_items(post_items))
elif grab.config['post']:
post_data = normalize_post_data(grab.config['post'],
grab.config['charset'])
# py3 hack
# if six.PY3:
# post_data = smart_unicode(post_data,
# grab.config['charset'])
self.curl.setopt(pycurl.POSTFIELDS, post_data)
else:
self.curl.setopt(pycurl.POSTFIELDS, '')
elif grab.request_method == 'PUT':
data = grab.config['post']
if isinstance(data, six.text_type):
# py3 hack
# if six.PY3:
# data = data.encode('utf-8')
# else:
raise error.GrabMisuseError(
'Value of post option could be only '
'byte string if PUT method is used')
self.curl.setopt(pycurl.UPLOAD, 1)
self.curl.setopt(pycurl.READFUNCTION, StringIO(data).read)
self.curl.setopt(pycurl.INFILESIZE, len(data))
elif grab.request_method == 'PATCH':
data = grab.config['post']
if isinstance(data, six.text_type):
raise error.GrabMisuseError(
'Value of post option could be only byte '
'string if PATCH method is used')
self.curl.setopt(pycurl.UPLOAD, 1)
self.curl.setopt(pycurl.CUSTOMREQUEST, 'PATCH')
self.curl.setopt(pycurl.READFUNCTION, StringIO(data).read)
self.curl.setopt(pycurl.INFILESIZE, len(data))
elif grab.request_method == 'DELETE':
self.curl.setopt(pycurl.CUSTOMREQUEST, 'DELETE')
elif grab.request_method == 'HEAD':
self.curl.setopt(pycurl.NOBODY, 1)
elif grab.request_method == 'UPLOAD':
self.curl.setopt(pycurl.UPLOAD, 1)
elif grab.request_method == 'GET':
self.curl.setopt(pycurl.HTTPGET, 1)
else:
raise error.GrabMisuseError('Invalid method: %s' %
grab.request_method)
headers = grab.config['common_headers']
if grab.config['headers']:
headers.update(grab.config['headers'])
header_tuples = [str('%s: %s' % x) for x
in headers.items()]
self.curl.setopt(pycurl.HTTPHEADER, header_tuples)
self.process_cookie_options(grab, request_url)
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,
str(grab.config['proxy_userpwd']))
if grab.config['proxy_type']:
key = 'PROXYTYPE_%s' % grab.config['proxy_type'].upper()
self.curl.setopt(pycurl.PROXYTYPE, getattr(pycurl, key))
if grab.config['encoding']:
if ('gzip' in grab.config['encoding'] and
'zlib' not in pycurl.version):
raise error.GrabMisuseError(
'You can not use gzip encoding because '
'pycurl was built without zlib support')
self.curl.setopt(pycurl.ENCODING, grab.config['encoding'])
if grab.config['userpwd']:
self.curl.setopt(pycurl.USERPWD, str(grab.config['userpwd']))
if grab.config.get('interface') is not None:
self.curl.setopt(pycurl.INTERFACE, grab.config['interface'])
if grab.config.get('reject_file_size') is not None:
self.curl.setopt(pycurl.MAXFILESIZE,
grab.config['reject_file_size'])
def quote(data):
return urllib.quote_plus(smart_str(data))
def quote(data):
return urllib.quote_plus(smart_str(data))
def process_config(self, grab):
"""
Setup curl instance with values from ``self.config``.
"""
# Copy some config for future usage
self.config_nobody = grab.config['nobody']
self.config_body_maxsize = grab.config['body_maxsize']
try:
request_url = normalize_url(grab.config['url'])
except Exception as ex:
raise error.GrabInvalidUrl(u'%s: %s' %
(six.text_type(ex), grab.config['url']))
# py3 hack
if not six.PY3:
request_url = smart_str(request_url)
self.curl.setopt(pycurl.URL, request_url)
self.curl.setopt(pycurl.FOLLOWLOCATION,
1 if grab.config['follow_location'] else 0)
self.curl.setopt(pycurl.MAXREDIRS, grab.config['redirect_limit'])
self.curl.setopt(pycurl.CONNECTTIMEOUT, grab.config['connect_timeout'])
self.curl.setopt(pycurl.TIMEOUT, grab.config['timeout'])
self.curl.setopt(pycurl.IPRESOLVE, pycurl.IPRESOLVE_V4)
# self.curl.setopt(pycurl.DNS_CACHE_TIMEOUT, 0)
if not grab.config['connection_reuse']:
self.curl.setopt(pycurl.FRESH_CONNECT, 1)
self.curl.setopt(pycurl.FORBID_REUSE, 1)
self.curl.setopt(pycurl.NOSIGNAL, 1)
self.curl.setopt(pycurl.HEADERFUNCTION, self.head_processor)
if grab.config['body_inmemory']:
self.curl.setopt(pycurl.WRITEFUNCTION, self.body_processor)
else:
if not grab.config['body_storage_dir']:
raise error.GrabMisuseError(
'Option body_storage_dir is not defined')
self.setup_body_file(grab.config['body_storage_dir'],
grab.config['body_storage_filename'])
self.curl.setopt(pycurl.WRITEFUNCTION, self.body_processor)
if grab.config['verbose_logging']:
self.verbose_logging = True
# User-Agent
if grab.config['user_agent'] is None:
if grab.config['user_agent_file'] is not None:
with open(grab.config['user_agent_file']) as inf:
lines = inf.read().splitlines()
grab.config['user_agent'] = random.choice(lines)
else:
grab.config['user_agent'] = random_user_agent()
# 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"
if not grab.config['user_agent']:
grab.config['user_agent'] = ''
self.curl.setopt(pycurl.USERAGENT, 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)
# Disabled to avoid SSL3_READ_BYTES:sslv3 alert handshake failure error
# self.curl.setopt(pycurl.SSLVERSION, pycurl.SSLVERSION_SSLv3)
if grab.request_method == 'POST':
self.curl.setopt(pycurl.POST, 1)
if grab.config['multipart_post']:
if isinstance(grab.config['multipart_post'], six.string_types):
raise error.GrabMisuseError(
'multipart_post option could not be a string')
post_items = normalize_http_values(
grab.config['multipart_post'],
charset=grab.config['charset'],
ignore_classes=(UploadFile, UploadContent),
)
# py3 hack
if six.PY3:
post_items = decode_pairs(post_items,
grab.config['charset'])
# import pdb; pdb.set_trace()
self.curl.setopt(pycurl.HTTPPOST,
process_upload_items(post_items))
elif grab.config['post']:
post_data = normalize_post_data(grab.config['post'],
grab.config['charset'])
# py3 hack
# if six.PY3:
# post_data = smart_unicode(post_data,
# grab.config['charset'])
self.curl.setopt(pycurl.POSTFIELDS, post_data)
else:
self.curl.setopt(pycurl.POSTFIELDS, '')
elif grab.request_method == 'PUT':
data = grab.config['post']
if isinstance(data, six.text_type):
# py3 hack
# if six.PY3:
# data = data.encode('utf-8')
# else:
raise error.GrabMisuseError(
'Value of post option could be only '
'byte string if PUT method is used')
self.curl.setopt(pycurl.UPLOAD, 1)
self.curl.setopt(pycurl.READFUNCTION, StringIO(data).read)
self.curl.setopt(pycurl.INFILESIZE, len(data))
elif grab.request_method == 'PATCH':
data = grab.config['post']
if isinstance(data, six.text_type):
raise error.GrabMisuseError(
'Value of post option could be only byte '
'string if PATCH method is used')
self.curl.setopt(pycurl.UPLOAD, 1)
self.curl.setopt(pycurl.CUSTOMREQUEST, 'PATCH')
self.curl.setopt(pycurl.READFUNCTION, StringIO(data).read)
self.curl.setopt(pycurl.INFILESIZE, len(data))
elif grab.request_method == 'DELETE':
self.curl.setopt(pycurl.CUSTOMREQUEST, 'DELETE')
elif grab.request_method == 'HEAD':
self.curl.setopt(pycurl.NOBODY, 1)
elif grab.request_method == 'UPLOAD':
self.curl.setopt(pycurl.UPLOAD, 1)
elif grab.request_method == 'GET':
self.curl.setopt(pycurl.HTTPGET, 1)
else:
raise error.GrabMisuseError('Invalid method: %s' %
grab.request_method)
headers = grab.config['common_headers']
if grab.config['headers']:
headers.update(grab.config['headers'])
header_tuples = [str('%s: %s' % x) for x in headers.items()]
self.curl.setopt(pycurl.HTTPHEADER, header_tuples)
self.process_cookie_options(grab, request_url)
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,
str(grab.config['proxy_userpwd']))
if grab.config['proxy_type']:
key = 'PROXYTYPE_%s' % grab.config['proxy_type'].upper()
self.curl.setopt(pycurl.PROXYTYPE, getattr(pycurl, key))
if grab.config['encoding']:
if ('gzip' in grab.config['encoding']
and 'zlib' not in pycurl.version):
raise error.GrabMisuseError(
'You can not use gzip encoding because '
'pycurl was built without zlib support')
self.curl.setopt(pycurl.ENCODING, grab.config['encoding'])
if grab.config['userpwd']:
self.curl.setopt(pycurl.USERPWD, str(grab.config['userpwd']))
if grab.config.get('interface') is not None:
self.curl.setopt(pycurl.INTERFACE, grab.config['interface'])
if grab.config.get('reject_file_size') is not None:
self.curl.setopt(pycurl.MAXFILESIZE,
grab.config['reject_file_size'])
