<s> """<STR_LIT>""" <EOL> import requests <EOL> import base64 <EOL> try : <EOL> from urllib import getproxies <EOL> except ImportError : <EOL> from urllib . request import getproxies <EOL> try : <EOL> from urlparse import urlparse <EOL> except ImportError : <EOL> from urllib import parse as urlparse <EOL> from clf . command import Command <EOL> from clf . constants import URL <EOL> from clf . exceptions import ( FormatException , OrderException , <EOL> QueryException , RequestsException ) <EOL> class Clf ( object ) : <EOL> def __init__ ( self , format = "<STR_LIT>" , order = "<STR_LIT>" , proxy = None ) : <EOL> if format not in [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' ] : <EOL> raise FormatException ( '<STR_LIT>' ) <EOL> self . format = format <EOL> self . url = URL <EOL> self . proxy = proxy <EOL> if order == '<STR_LIT>' : <EOL> self . order = '<STR_LIT>' <EOL> elif order == '<STR_LIT:date>' : <EOL> self . order = '<STR_LIT>' <EOL> else : <EOL> raise OrderException ( '<STR_LIT>' ) <EOL> def _prepare_search_url ( self , * args ) : <EOL> if isinstance ( args [ <NUM_LIT:0> ] , list ) : <EOL> query = '<STR_LIT:U+0020>' . join ( args [ <NUM_LIT:0> ] ) <EOL> elif isinstance ( args [ <NUM_LIT:0> ] , str ) : <EOL> query = '<STR_LIT:U+0020>' . join ( args [ <NUM_LIT:0> ] . split ( ) ) <EOL> else : <EOL> raise QueryException ( '<STR_LIT>' ) <EOL> b64_query = base64 . b64encode ( query . encode ( '<STR_LIT:utf-8>' ) ) . decode ( '<STR_LIT:utf-8>' ) <EOL> url_query = '<STR_LIT:->' . join ( query . split ( ) ) <EOL> return "<STR_LIT>" . format ( self . url , <EOL> url_query , <EOL> b64_query , <EOL> self . order , <EOL> self . format ) <EOL> def _prepare_command_url ( self , cmd ) : <EOL> return "<STR_LIT>" . format ( self . url , <EOL> cmd , <EOL> self . order , <EOL> self . format ) <EOL> def _prepare_browse_url ( self ) : <EOL> return "<STR_LIT>" . format ( self . url , <EOL> self . order , <EOL> self . format ) <EOL> def _get_proxies ( self ) : <EOL> proxies = getproxies ( ) <EOL> proxy = { } <EOL> if self . proxy : <EOL> parsed_proxy = urlparse ( self . proxy ) <EOL> proxy [ parsed_proxy . scheme ] = parsed_proxy . geturl ( ) <EOL> proxies . update ( proxy ) <EOL> return proxies <EOL> def _get ( self , url ) : <EOL> proxies = self . _get_proxies ( ) <EOL> try : <EOL> r = requests . get ( url , proxies = proxies ) <EOL> except requests . exceptions . ConnectionError : <EOL> raise RequestsException ( "<STR_LIT>" ) <EOL> try : <EOL> return r . json ( ) <EOL> except ValueError : <EOL> return [ ] <EOL> def _cmd_generator ( self , commands ) : <EOL> for command in commands : <EOL> yield Command ( <EOL> command [ '<STR_LIT:id>' ] , <EOL> command [ '<STR_LIT>' ] , <EOL> command [ '<STR_LIT>' ] , <EOL> command [ '<STR_LIT>' ] , <EOL> command [ '<STR_LIT:url>' ] <EOL> ) <EOL> def browse ( self ) : <EOL> commands = self . _get ( self . _prepare_browse_url ( ) ) <EOL> return self . _cmd_generator ( commands ) <EOL> def command ( self , cmd ) : <EOL> commands = self . _get ( self . _prepare_command_url ( cmd ) ) <EOL> return self . _cmd_generator ( commands ) <EOL> def search ( self , * args ) : <EOL> commands = self . _get ( self . _prepare_search_url ( * args ) ) <EOL> return self . _cmd_generator ( commands ) </s>
