<s> """<STR_LIT>""" <EOL> import optparse <EOL> import os <EOL> import sys <EOL> import re <EOL> try : <EOL> from urllib . request import HTTPCookieProcessor , Request , build_opener <EOL> from urllib . parse import quote , unquote <EOL> from http . cookiejar import MozillaCookieJar <EOL> except ImportError : <EOL> from urllib2 import Request , build_opener , HTTPCookieProcessor <EOL> from urllib import quote , unquote <EOL> from cookielib import MozillaCookieJar <EOL> try : <EOL> from bs4 import BeautifulSoup <EOL> except ImportError : <EOL> try : <EOL> from BeautifulSoup import BeautifulSoup <EOL> except ImportError : <EOL> print ( '<STR_LIT>' ) <EOL> sys . exit ( <NUM_LIT:1> ) <EOL> if sys . version_info [ <NUM_LIT:0> ] == <NUM_LIT:3> : <EOL> unicode = str <EOL> encode = lambda s : unicode ( s ) <EOL> else : <EOL> def encode ( s ) : <EOL> if isinstance ( s , basestring ) : <EOL> return s . encode ( '<STR_LIT:utf-8>' ) <EOL> else : <EOL> return str ( s ) <EOL> class Error ( Exception ) : <EOL> """<STR_LIT>""" <EOL> class FormatError ( Error ) : <EOL> """<STR_LIT>""" <EOL> class QueryArgumentError ( Error ) : <EOL> """<STR_LIT>""" <EOL> class ScholarConf ( object ) : <EOL> """<STR_LIT>""" <EOL> VERSION = '<STR_LIT>' <EOL> LOG_LEVEL = <NUM_LIT:1> <EOL> MAX_PAGE_RESULTS = <NUM_LIT:20> <EOL> SCHOLAR_SITE = '<STR_LIT>' <EOL> USER_AGENT = '<STR_LIT>' <EOL> COOKIE_JAR_FILE = None <EOL> class ScholarUtils ( object ) : <EOL> """<STR_LIT>""" <EOL> LOG_LEVELS = { '<STR_LIT:error>' : <NUM_LIT:1> , <EOL> '<STR_LIT>' : <NUM_LIT:2> , <EOL> '<STR_LIT:info>' : <NUM_LIT:3> , <EOL> '<STR_LIT>' : <NUM_LIT:4> } <EOL> @ staticmethod <EOL> def ensure_int ( arg , msg = None ) : <EOL> try : <EOL> return int ( arg ) <EOL> except ValueError : <EOL> raise FormatError ( msg ) <EOL> @ staticmethod <EOL> def log ( level , msg ) : <EOL> if level not in ScholarUtils . LOG_LEVELS . keys ( ) : <EOL> return <EOL> if ScholarUtils . LOG_LEVELS [ level ] > ScholarConf . LOG_LEVEL : <EOL> return <EOL> sys . stderr . write ( '<STR_LIT>' % ( level . upper ( ) , msg + '<STR_LIT:\n>' ) ) <EOL> sys . stderr . flush ( ) <EOL> class ScholarArticle ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self ) : <EOL> self . attrs = { <EOL> '<STR_LIT:title>' : [ None , '<STR_LIT>' , <NUM_LIT:0> ] , <EOL> '<STR_LIT:url>' : [ None , '<STR_LIT>' , <NUM_LIT:1> ] , <EOL> '<STR_LIT>' : [ None , '<STR_LIT>' , <NUM_LIT:2> ] , <EOL> '<STR_LIT>' : [ <NUM_LIT:0> , '<STR_LIT>' , <NUM_LIT:3> ] , <EOL> '<STR_LIT>' : [ <NUM_LIT:0> , '<STR_LIT>' , <NUM_LIT:4> ] , <EOL> '<STR_LIT>' : [ None , '<STR_LIT>' , <NUM_LIT:5> ] , <EOL> '<STR_LIT>' : [ None , '<STR_LIT>' , <NUM_LIT:6> ] , <EOL> '<STR_LIT>' : [ None , '<STR_LIT>' , <NUM_LIT:7> ] , <EOL> '<STR_LIT>' : [ None , '<STR_LIT>' , <NUM_LIT:8> ] , <EOL> '<STR_LIT>' : [ None , '<STR_LIT>' , <NUM_LIT:9> ] , <EOL> '<STR_LIT>' : [ None , '<STR_LIT>' , <NUM_LIT:10> ] , <EOL> } <EOL> self . citation_data = None <EOL> def __getitem__ ( self , key ) : <EOL> if key in self . attrs : <EOL> return self . attrs [ key ] [ <NUM_LIT:0> ] <EOL> return None <EOL> def __len__ ( self ) : <EOL> return len ( self . attrs ) <EOL> def __setitem__ ( self , key , item ) : <EOL> if key in self . attrs : <EOL> self . attrs [ key ] [ <NUM_LIT:0> ] = item <EOL> else : <EOL> self . attrs [ key ] = [ item , key , len ( self . attrs ) ] <EOL> def __delitem__ ( self , key ) : <EOL> if key in self . attrs : <EOL> del self . attrs [ key ] <EOL> def set_citation_data ( self , citation_data ) : <EOL> self . citation_data = citation_data <EOL> def as_txt ( self ) : <EOL> items = sorted ( list ( self . attrs . values ( ) ) , key = lambda item : item [ <NUM_LIT:2> ] ) <EOL> max_label_len = max ( [ len ( str ( item [ <NUM_LIT:1> ] ) ) for item in items ] ) <EOL> fmt = '<STR_LIT>' % max_label_len <EOL> res = [ ] <EOL> for item in items : <EOL> if item [ <NUM_LIT:0> ] is not None : <EOL> res . append ( fmt % ( item [ <NUM_LIT:1> ] , item [ <NUM_LIT:0> ] ) ) <EOL> return '<STR_LIT:\n>' . join ( res ) <EOL> def as_csv ( self , header = False , sep = '<STR_LIT:|>' ) : <EOL> keys = [ pair [ <NUM_LIT:0> ] for pair in sorted ( [ ( key , val [ <NUM_LIT:2> ] ) for key , val in list ( self . attrs . items ( ) ) ] , <EOL> key = lambda pair : pair [ <NUM_LIT:1> ] ) ] <EOL> res = [ ] <EOL> if header : <EOL> res . append ( sep . join ( keys ) ) <EOL> res . append ( sep . join ( [ unicode ( self . attrs [ key ] [ <NUM_LIT:0> ] ) for key in keys ] ) ) <EOL> return '<STR_LIT:\n>' . join ( res ) <EOL> def as_citation ( self ) : <EOL> """<STR_LIT>""" <EOL> return self . citation_data or '<STR_LIT>' <EOL> class ScholarArticleParser ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , site = None ) : <EOL> self . soup = None <EOL> self . article = None <EOL> self . site = site or ScholarConf . SCHOLAR_SITE <EOL> self . year_re = re . compile ( r'<STR_LIT>' ) <EOL> def handle_article ( self , art ) : <EOL> """<STR_LIT>""" <EOL> def handle_num_results ( self , num_results ) : <EOL> """<STR_LIT>""" <EOL> def parse ( self , html ) : <EOL> """<STR_LIT>""" <EOL> self . soup = BeautifulSoup ( html ) <EOL> self . _parse_globals ( ) <EOL> for div in self . soup . findAll ( ScholarArticleParser . _tag_results_checker ) : <EOL> self . _parse_article ( div ) <EOL> self . _clean_article ( ) <EOL> if self . article [ '<STR_LIT:title>' ] : <EOL> self . handle_article ( self . article ) <EOL> def _clean_article ( self ) : <EOL> """<STR_LIT>""" <EOL> if self . article [ '<STR_LIT:title>' ] : <EOL> self . article [ '<STR_LIT:title>' ] = self . article [ '<STR_LIT:title>' ] . strip ( ) <EOL> def _parse_globals ( self ) : <EOL> tag = self . soup . find ( name = '<STR_LIT>' , attrs = { '<STR_LIT:id>' : '<STR_LIT>' } ) <EOL> if tag is not None : <EOL> raw_text = tag . findAll ( text = True ) <EOL> if raw_text is not None and len ( raw_text ) > <NUM_LIT:0> : <EOL> try : <EOL> num_results = raw_text [ <NUM_LIT:0> ] . split ( ) [ <NUM_LIT:1> ] <EOL> num_results = num_results . replace ( '<STR_LIT:U+002C>' , '<STR_LIT>' ) <EOL> num_results = int ( num_results ) <EOL> self . handle_num_results ( num_results ) <EOL> except ( IndexError , ValueError ) : <EOL> pass <EOL> def _parse_article ( self , div ) : <EOL> self . article = ScholarArticle ( ) <EOL> for tag in div : <EOL> if not hasattr ( tag , '<STR_LIT:name>' ) : <EOL> continue <EOL> if tag . name == '<STR_LIT>' and self . _tag_has_class ( tag , '<STR_LIT>' ) and tag . h3 and tag . h3 . a : <EOL> self . article [ '<STR_LIT:title>' ] = '<STR_LIT>' . join ( tag . h3 . a . findAll ( text = True ) ) <EOL> self . article [ '<STR_LIT:url>' ] = self . _path2url ( tag . h3 . a [ '<STR_LIT>' ] ) <EOL> if self . article [ '<STR_LIT:url>' ] . endswith ( '<STR_LIT>' ) : <EOL> self . article [ '<STR_LIT>' ] = self . article [ '<STR_LIT:url>' ] <EOL> if tag . name == '<STR_LIT>' : <EOL> for tag2 in tag : <EOL> if not hasattr ( tag2 , '<STR_LIT:name>' ) : <EOL> continue <EOL> if tag2 . name == '<STR_LIT>' and self . _tag_has_class ( tag2 , '<STR_LIT>' ) : <EOL> self . _parse_links ( tag2 ) <EOL> def _parse_links ( self , span ) : <EOL> for tag in span : <EOL> if not hasattr ( tag , '<STR_LIT:name>' ) : <EOL> continue <EOL> if tag . name != '<STR_LIT:a>' or tag . get ( '<STR_LIT>' ) is None : <EOL> continue <EOL> if tag . get ( '<STR_LIT>' ) . startswith ( '<STR_LIT>' ) : <EOL> if hasattr ( tag , '<STR_LIT:string>' ) and tag . string . startswith ( '<STR_LIT>' ) : <EOL> self . article [ '<STR_LIT>' ] = self . _as_int ( tag . string . split ( ) [ - <NUM_LIT:1> ] ) <EOL> self . article [ '<STR_LIT>' ] = self . _strip_url_arg ( '<STR_LIT>' , self . _path2url ( tag . get ( '<STR_LIT>' ) ) ) <EOL> args = self . article [ '<STR_LIT>' ] . split ( '<STR_LIT:?>' , <NUM_LIT:1> ) [ <NUM_LIT:1> ] <EOL> for arg in args . split ( '<STR_LIT:&>' ) : <EOL> if arg . startswith ( '<STR_LIT>' ) : <EOL> self . article [ '<STR_LIT>' ] = arg [ <NUM_LIT:6> : ] <EOL> if tag . get ( '<STR_LIT>' ) . startswith ( '<STR_LIT>' ) : <EOL> if hasattr ( tag , '<STR_LIT:string>' ) and tag . string . startswith ( '<STR_LIT>' ) : <EOL> self . article [ '<STR_LIT>' ] = self . _as_int ( tag . string . split ( ) [ <NUM_LIT:1> ] ) <EOL> self . article [ '<STR_LIT>' ] = self . _strip_url_arg ( '<STR_LIT>' , self . _path2url ( tag . get ( '<STR_LIT>' ) ) ) <EOL> if tag . getText ( ) . startswith ( '<STR_LIT>' ) : <EOL> self . article [ '<STR_LIT>' ] = self . _path2url ( tag . get ( '<STR_LIT>' ) ) <EOL> @ staticmethod <EOL> def _tag_has_class ( tag , klass ) : <EOL> """<STR_LIT>""" <EOL> res = tag . get ( '<STR_LIT:class>' ) or [ ] <EOL> if type ( res ) != list : <EOL> res = res . split ( ) <EOL> return klass in res <EOL> @ staticmethod <EOL> def _tag_results_checker ( tag ) : <EOL> return tag . name == '<STR_LIT>' and ScholarArticleParser . _tag_has_class ( tag , '<STR_LIT>' ) <EOL> @ staticmethod <EOL> def _as_int ( obj ) : <EOL> try : <EOL> return int ( obj ) <EOL> except ValueError : <EOL> return None <EOL> def _path2url ( self , path ) : <EOL> """<STR_LIT>""" <EOL> if path . startswith ( '<STR_LIT>' ) : <EOL> return path <EOL> if not path . startswith ( '<STR_LIT:/>' ) : <EOL> path = '<STR_LIT:/>' + path <EOL> return self . site + path <EOL> def _strip_url_arg ( self , arg , url ) : <EOL> """<STR_LIT>""" <EOL> parts = url . split ( '<STR_LIT:?>' , <NUM_LIT:1> ) <EOL> if len ( parts ) != <NUM_LIT:2> : <EOL> return url <EOL> res = [ ] <EOL> for part in parts [ <NUM_LIT:1> ] . split ( '<STR_LIT:&>' ) : <EOL> if not part . startswith ( arg + '<STR_LIT:=>' ) : <EOL> res . append ( part ) <EOL> return parts [ <NUM_LIT:0> ] + '<STR_LIT:?>' + '<STR_LIT:&>' . join ( res ) <EOL> class ScholarArticleParser120201 ( ScholarArticleParser ) : <EOL> """<STR_LIT>""" <EOL> def _parse_article ( self , div ) : <EOL> self . article = ScholarArticle ( ) <EOL> for tag in div : <EOL> if not hasattr ( tag , '<STR_LIT:name>' ) : <EOL> continue <EOL> if tag . name == '<STR_LIT>' and self . _tag_has_class ( tag , '<STR_LIT>' ) and tag . a : <EOL> self . article [ '<STR_LIT:title>' ] = '<STR_LIT>' . join ( tag . a . findAll ( text = True ) ) <EOL> self . article [ '<STR_LIT:url>' ] = self . _path2url ( tag . a [ '<STR_LIT>' ] ) <EOL> if self . article [ '<STR_LIT:url>' ] . endswith ( '<STR_LIT>' ) : <EOL> self . article [ '<STR_LIT>' ] = self . article [ '<STR_LIT:url>' ] <EOL> if tag . name == '<STR_LIT>' and self . _tag_has_class ( tag , '<STR_LIT>' ) : <EOL> year = self . year_re . findall ( tag . text ) <EOL> self . article [ '<STR_LIT>' ] = year [ <NUM_LIT:0> ] if len ( year ) > <NUM_LIT:0> else None <EOL> if tag . name == '<STR_LIT>' and self . _tag_has_class ( tag , '<STR_LIT>' ) : <EOL> self . _parse_links ( tag ) <EOL> class ScholarArticleParser120726 ( ScholarArticleParser ) : <EOL> """<STR_LIT>""" <EOL> def _parse_article ( self , div ) : <EOL> self . article = ScholarArticle ( ) <EOL> for tag in div : <EOL> if not hasattr ( tag , '<STR_LIT:name>' ) : <EOL> continue <EOL> if str ( tag ) . lower ( ) . find ( '<STR_LIT>' ) : <EOL> if tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) : <EOL> self . _parse_links ( tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) ) <EOL> if tag . name == '<STR_LIT>' and self . _tag_has_class ( tag , '<STR_LIT>' ) : <EOL> try : <EOL> atag = tag . h3 . a <EOL> self . article [ '<STR_LIT:title>' ] = '<STR_LIT>' . join ( atag . findAll ( text = True ) ) <EOL> self . article [ '<STR_LIT:url>' ] = self . _path2url ( atag [ '<STR_LIT>' ] ) <EOL> if self . article [ '<STR_LIT:url>' ] . endswith ( '<STR_LIT>' ) : <EOL> self . article [ '<STR_LIT>' ] = self . article [ '<STR_LIT:url>' ] <EOL> except : <EOL> for span in tag . h3 . findAll ( name = '<STR_LIT>' ) : <EOL> span . clear ( ) <EOL> self . article [ '<STR_LIT:title>' ] = '<STR_LIT>' . join ( tag . h3 . findAll ( text = True ) ) <EOL> if tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) : <EOL> year = self . year_re . findall ( tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) . text ) <EOL> self . article [ '<STR_LIT>' ] = year [ <NUM_LIT:0> ] if len ( year ) > <NUM_LIT:0> else None <EOL> if tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) : <EOL> self . _parse_links ( tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) ) <EOL> if tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) : <EOL> raw_text = tag . find ( '<STR_LIT>' , { '<STR_LIT:class>' : '<STR_LIT>' } ) . findAll ( text = True ) <EOL> if len ( raw_text ) > <NUM_LIT:0> : <EOL> raw_text = '<STR_LIT>' . join ( raw_text ) <EOL> raw_text = raw_text . replace ( '<STR_LIT:\n>' , '<STR_LIT>' ) <EOL> self . article [ '<STR_LIT>' ] = raw_text <EOL> class ScholarQuery ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self ) : <EOL> self . url = None <EOL> self . num_results = ScholarConf . MAX_PAGE_RESULTS <EOL> self . attrs = { } <EOL> def set_num_page_results ( self , num_page_results ) : <EOL> msg = '<STR_LIT>' <EOL> self . num_results = ScholarUtils . ensure_int ( num_page_results , msg ) <EOL> def get_url ( self ) : <EOL> """<STR_LIT>""" <EOL> return None <EOL> def _add_attribute_type ( self , key , label , default_value = None ) : <EOL> """<STR_LIT>""" <EOL> if len ( self . attrs ) == <NUM_LIT:0> : <EOL> self . attrs [ key ] = [ default_value , label , <NUM_LIT:0> ] <EOL> return <EOL> idx = max ( [ item [ <NUM_LIT:2> ] for item in self . attrs . values ( ) ] ) + <NUM_LIT:1> <EOL> self . attrs [ key ] = [ default_value , label , idx ] <EOL> def __getitem__ ( self , key ) : <EOL> """<STR_LIT>""" <EOL> if key in self . attrs : <EOL> return self . attrs [ key ] [ <NUM_LIT:0> ] <EOL> return None <EOL> def __setitem__ ( self , key , item ) : <EOL> """<STR_LIT>""" <EOL> if key in self . attrs : <EOL> self . attrs [ key ] [ <NUM_LIT:0> ] = item <EOL> def _parenthesize_phrases ( self , query ) : <EOL> """<STR_LIT>""" <EOL> if query . find ( '<STR_LIT:U+002C>' ) < <NUM_LIT:0> : <EOL> return query <EOL> phrases = [ ] <EOL> for phrase in query . split ( '<STR_LIT:U+002C>' ) : <EOL> phrase = phrase . strip ( ) <EOL> if phrase . find ( '<STR_LIT:U+0020>' ) > <NUM_LIT:0> : <EOL> phrase = '<STR_LIT:">' + phrase + '<STR_LIT:">' <EOL> phrases . append ( phrase ) <EOL> return '<STR_LIT:U+0020>' . join ( phrases ) <EOL> class ClusterScholarQuery ( ScholarQuery ) : <EOL> """<STR_LIT>""" <EOL> SCHOLAR_CLUSTER_URL = ScholarConf . SCHOLAR_SITE + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' <EOL> def __init__ ( self , cluster = None ) : <EOL> ScholarQuery . __init__ ( self ) <EOL> self . _add_attribute_type ( '<STR_LIT>' , '<STR_LIT>' , <NUM_LIT:0> ) <EOL> self . cluster = None <EOL> self . set_cluster ( cluster ) <EOL> def set_cluster ( self , cluster ) : <EOL> """<STR_LIT>""" <EOL> msg = '<STR_LIT>' <EOL> self . cluster = ScholarUtils . ensure_int ( cluster , msg ) <EOL> def get_url ( self ) : <EOL> if self . cluster is None : <EOL> raise QueryArgumentError ( '<STR_LIT>' ) <EOL> urlargs = { '<STR_LIT>' : self . cluster , <EOL> '<STR_LIT>' : self . num_results or ScholarConf . MAX_PAGE_RESULTS } <EOL> for key , val in urlargs . items ( ) : <EOL> urlargs [ key ] = quote ( encode ( val ) ) <EOL> return self . SCHOLAR_CLUSTER_URL % urlargs <EOL> class SearchScholarQuery ( ScholarQuery ) : <EOL> """<STR_LIT>""" <EOL> SCHOLAR_QUERY_URL = ScholarConf . SCHOLAR_SITE + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' <EOL> def __init__ ( self ) : <EOL> ScholarQuery . __init__ ( self ) <EOL> self . _add_attribute_type ( '<STR_LIT>' , '<STR_LIT>' , <NUM_LIT:0> ) <EOL> self . words = None <EOL> self . words_some = None <EOL> self . words_none = None <EOL> self . phrase = None <EOL> self . scope_title = False <EOL> self . author = None <EOL> self . pub = None <EOL> self . timeframe = [ None , None ] <EOL> self . include_patents = True <EOL> self . include_citations = True <EOL> def set_words ( self , words ) : <EOL> """<STR_LIT>""" <EOL> self . words = words <EOL> def set_words_some ( self , words ) : <EOL> """<STR_LIT>""" <EOL> self . words_some = words <EOL> def set_words_none ( self , words ) : <EOL> """<STR_LIT>""" <EOL> self . words_none = words <EOL> def set_phrase ( self , phrase ) : <EOL> """<STR_LIT>""" <EOL> self . phrase = phrase <EOL> def set_scope ( self , title_only ) : <EOL> """<STR_LIT>""" <EOL> self . scope_title = title_only <EOL> def set_author ( self , author ) : <EOL> """<STR_LIT>""" <EOL> self . author = author <EOL> def set_pub ( self , pub ) : <EOL> """<STR_LIT>""" <EOL> self . pub = pub <EOL> def set_timeframe ( self , start = None , end = None ) : <EOL> """<STR_LIT>""" <EOL> if start : <EOL> start = ScholarUtils . ensure_int ( start ) <EOL> if end : <EOL> end = ScholarUtils . ensure_int ( end ) <EOL> self . timeframe = [ start , end ] <EOL> def set_include_citations ( self , yesorno ) : <EOL> self . include_citations = yesorno <EOL> def set_include_patents ( self , yesorno ) : <EOL> self . include_patents = yesorno <EOL> def get_url ( self ) : <EOL> if self . words is None and self . words_some is None and self . words_none is None and self . phrase is None and self . author is None and self . pub is None and self . timeframe [ <NUM_LIT:0> ] is None and self . timeframe [ <NUM_LIT:1> ] is None : <EOL> raise QueryArgumentError ( '<STR_LIT>' ) <EOL> words_some = None <EOL> words_none = None <EOL> if self . words_some : <EOL> words_some = self . _parenthesize_phrases ( self . words_some ) <EOL> if self . words_none : <EOL> words_none = self . _parenthesize_phrases ( self . words_none ) <EOL> urlargs = { '<STR_LIT>' : self . words or '<STR_LIT>' , <EOL> '<STR_LIT>' : words_some or '<STR_LIT>' , <EOL> '<STR_LIT>' : words_none or '<STR_LIT>' , <EOL> '<STR_LIT>' : self . phrase or '<STR_LIT>' , <EOL> '<STR_LIT>' : '<STR_LIT:title>' if self . scope_title else '<STR_LIT>' , <EOL> '<STR_LIT>' : self . author or '<STR_LIT>' , <EOL> '<STR_LIT>' : self . pub or '<STR_LIT>' , <EOL> '<STR_LIT>' : self . timeframe [ <NUM_LIT:0> ] or '<STR_LIT>' , <EOL> '<STR_LIT>' : self . timeframe [ <NUM_LIT:1> ] or '<STR_LIT>' , <EOL> '<STR_LIT>' : '<STR_LIT:0>' if self . include_patents else '<STR_LIT:1>' , <EOL> '<STR_LIT>' : '<STR_LIT:0>' if self . include_citations else '<STR_LIT:1>' , <EOL> '<STR_LIT>' : self . num_results or ScholarConf . MAX_PAGE_RESULTS } <EOL> for key , val in urlargs . items ( ) : <EOL> urlargs [ key ] = quote ( encode ( val ) ) <EOL> return self . SCHOLAR_QUERY_URL % urlargs <EOL> class ScholarSettings ( object ) : <EOL> """<STR_LIT>""" <EOL> CITFORM_NONE = <NUM_LIT:0> <EOL> CITFORM_REFWORKS = <NUM_LIT:1> <EOL> CITFORM_REFMAN = <NUM_LIT:2> <EOL> CITFORM_ENDNOTE = <NUM_LIT:3> <EOL> CITFORM_BIBTEX = <NUM_LIT:4> <EOL> def __init__ ( self ) : <EOL> self . citform = <NUM_LIT:0> <EOL> self . per_page_results = ScholarConf . MAX_PAGE_RESULTS <EOL> self . _is_configured = False <EOL> def set_citation_format ( self , citform ) : <EOL> citform = ScholarUtils . ensure_int ( citform ) <EOL> if citform < <NUM_LIT:0> or citform > self . CITFORM_BIBTEX : <EOL> raise FormatError ( '<STR_LIT>' % citform ) <EOL> self . citform = citform <EOL> self . _is_configured = True <EOL> def set_per_page_results ( self , per_page_results ) : <EOL> msg = '<STR_LIT>' <EOL> self . per_page_results = ScholarUtils . ensure_int ( per_page_results , msg ) <EOL> self . per_page_results = min ( self . per_page_results , <EOL> ScholarConf . MAX_PAGE_RESULTS ) <EOL> self . _is_configured = True <EOL> def is_configured ( self ) : <EOL> return self . _is_configured <EOL> class ScholarQuerier ( object ) : <EOL> """<STR_LIT>""" <EOL> GET_SETTINGS_URL = ScholarConf . SCHOLAR_SITE + '<STR_LIT>' + '<STR_LIT>' <EOL> SET_SETTINGS_URL = ScholarConf . SCHOLAR_SITE + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' + '<STR_LIT>' <EOL> class Parser ( ScholarArticleParser120726 ) : <EOL> def __init__ ( self , querier ) : <EOL> ScholarArticleParser120726 . __init__ ( self ) <EOL> self . querier = querier <EOL> def handle_num_results ( self , num_results ) : <EOL> if self . querier is not None and self . querier . query is not None : <EOL> self . querier . query [ '<STR_LIT>' ] = num_results <EOL> def handle_article ( self , art ) : <EOL> self . querier . add_article ( art ) <EOL> def __init__ ( self ) : <EOL> self . articles = [ ] <EOL> self . query = None <EOL> self . cjar = MozillaCookieJar ( ) <EOL> if ScholarConf . COOKIE_JAR_FILE and os . path . exists ( ScholarConf . COOKIE_JAR_FILE ) : <EOL> try : <EOL> self . cjar . load ( ScholarConf . COOKIE_JAR_FILE , <EOL> ignore_discard = True ) <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' ) <EOL> except Exception as msg : <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' % msg ) <EOL> self . cjar = MozillaCookieJar ( ) <EOL> self . opener = build_opener ( HTTPCookieProcessor ( self . cjar ) ) <EOL> self . settings = None <EOL> def apply_settings ( self , settings ) : <EOL> """<STR_LIT>""" <EOL> if settings is None or not settings . is_configured ( ) : <EOL> return True <EOL> self . settings = settings <EOL> html = self . _get_http_response ( url = self . GET_SETTINGS_URL , <EOL> log_msg = '<STR_LIT>' , <EOL> err_msg = '<STR_LIT>' ) <EOL> if html is None : <EOL> return False <EOL> soup = BeautifulSoup ( html ) <EOL> tag = soup . find ( name = '<STR_LIT>' , attrs = { '<STR_LIT:id>' : '<STR_LIT>' } ) <EOL> if tag is None : <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' ) <EOL> return False <EOL> tag = tag . find ( '<STR_LIT:input>' , attrs = { '<STR_LIT:type>' : '<STR_LIT>' , '<STR_LIT:name>' : '<STR_LIT>' } ) <EOL> if tag is None : <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' ) <EOL> return False <EOL> urlargs = { '<STR_LIT>' : tag [ '<STR_LIT:value>' ] , <EOL> '<STR_LIT>' : settings . per_page_results , <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : '<STR_LIT>' } <EOL> if settings . citform != <NUM_LIT:0> : <EOL> urlargs [ '<STR_LIT>' ] = '<STR_LIT:yes>' <EOL> urlargs [ '<STR_LIT>' ] = '<STR_LIT>' % settings . citform <EOL> html = self . _get_http_response ( url = self . SET_SETTINGS_URL % urlargs , <EOL> log_msg = '<STR_LIT>' , <EOL> err_msg = '<STR_LIT>' ) <EOL> if html is None : <EOL> return False <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' ) <EOL> return True <EOL> def send_query ( self , query ) : <EOL> """<STR_LIT>""" <EOL> self . clear_articles ( ) <EOL> self . query = query <EOL> html = self . _get_http_response ( url = query . get_url ( ) , <EOL> log_msg = '<STR_LIT>' , <EOL> err_msg = '<STR_LIT>' ) <EOL> if html is None : <EOL> return <EOL> self . parse ( html ) <EOL> def get_citation_data ( self , article ) : <EOL> """<STR_LIT>""" <EOL> if article [ '<STR_LIT>' ] is None : <EOL> return False <EOL> if article . citation_data is not None : <EOL> return True <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' ) <EOL> data = self . _get_http_response ( url = article [ '<STR_LIT>' ] , <EOL> log_msg = '<STR_LIT>' , <EOL> err_msg = '<STR_LIT>' ) <EOL> if data is None : <EOL> return False <EOL> article . set_citation_data ( data ) <EOL> return True <EOL> def parse ( self , html ) : <EOL> """<STR_LIT>""" <EOL> parser = self . Parser ( self ) <EOL> parser . parse ( html ) <EOL> def add_article ( self , art ) : <EOL> self . get_citation_data ( art ) <EOL> self . articles . append ( art ) <EOL> def clear_articles ( self ) : <EOL> """<STR_LIT>""" <EOL> self . articles = [ ] <EOL> def save_cookies ( self ) : <EOL> """<STR_LIT>""" <EOL> if ScholarConf . COOKIE_JAR_FILE is None : <EOL> return False <EOL> try : <EOL> self . cjar . save ( ScholarConf . COOKIE_JAR_FILE , <EOL> ignore_discard = True ) <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' ) <EOL> return True <EOL> except Exception as msg : <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' % msg ) <EOL> return False <EOL> def _get_http_response ( self , url , log_msg = None , err_msg = None ) : <EOL> """<STR_LIT>""" <EOL> if log_msg is None : <EOL> log_msg = '<STR_LIT>' <EOL> if err_msg is None : <EOL> err_msg = '<STR_LIT>' <EOL> try : <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' % unquote ( url ) ) <EOL> req = Request ( url = url , headers = { '<STR_LIT>' : ScholarConf . USER_AGENT } ) <EOL> hdl = self . opener . open ( req ) <EOL> html = hdl . read ( ) <EOL> ScholarUtils . log ( '<STR_LIT>' , log_msg ) <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' + '<STR_LIT:->' * <NUM_LIT> ) <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' % hdl . geturl ( ) ) <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' % hdl . getcode ( ) ) <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' + str ( hdl . info ( ) ) ) <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' + html . decode ( '<STR_LIT:utf-8>' ) ) <EOL> ScholarUtils . log ( '<STR_LIT>' , '<STR_LIT>' + '<STR_LIT:->' * <NUM_LIT> ) <EOL> return html <EOL> except Exception as err : <EOL> ScholarUtils . log ( '<STR_LIT:info>' , err_msg + '<STR_LIT>' % err ) <EOL> return None <EOL> def txt ( querier , with_globals ) : <EOL> if with_globals : <EOL> max_label_len = <NUM_LIT:0> <EOL> if len ( querier . articles ) > <NUM_LIT:0> : <EOL> items = sorted ( list ( querier . articles [ <NUM_LIT:0> ] . attrs . values ( ) ) , <EOL> key = lambda item : item [ <NUM_LIT:2> ] ) <EOL> max_label_len = max ( [ len ( str ( item [ <NUM_LIT:1> ] ) ) for item in items ] ) <EOL> items = sorted ( list ( querier . query . attrs . values ( ) ) , key = lambda item : item [ <NUM_LIT:2> ] ) <EOL> max_label_len = max ( [ len ( str ( item [ <NUM_LIT:1> ] ) ) for item in items ] + [ max_label_len ] ) <EOL> fmt = '<STR_LIT>' % max ( <NUM_LIT:0> , max_label_len - <NUM_LIT:4> ) <EOL> for item in items : <EOL> if item [ <NUM_LIT:0> ] is not None : <EOL> print ( fmt % ( item [ <NUM_LIT:1> ] , item [ <NUM_LIT:0> ] ) ) <EOL> if len ( items ) > <NUM_LIT:0> : <EOL> print <EOL> articles = querier . articles <EOL> for art in articles : <EOL> print ( encode ( art . as_txt ( ) ) + '<STR_LIT:\n>' ) <EOL> def csv ( querier , header = False , sep = '<STR_LIT:|>' ) : <EOL> articles = querier . articles <EOL> for art in articles : <EOL> result = art . as_csv ( header = header , sep = sep ) <EOL> print ( encode ( result ) ) <EOL> header = False <EOL> def citation_export ( querier ) : <EOL> articles = querier . articles <EOL> for art in articles : <EOL> print ( art . as_citation ( ) + '<STR_LIT:\n>' ) <EOL> def main ( ) : <EOL> usage = """<STR_LIT>""" <EOL> fmt = optparse . IndentedHelpFormatter ( max_help_position = <NUM_LIT:50> , width = <NUM_LIT:100> ) <EOL> parser = optparse . OptionParser ( usage = usage , formatter = fmt ) <EOL> group = optparse . OptionGroup ( parser , '<STR_LIT>' , <EOL> '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , dest = '<STR_LIT>' , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , action = '<STR_LIT:store_true>' , default = False , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , action = '<STR_LIT:store_true>' , default = False , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , action = '<STR_LIT:store_true>' , default = False , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT:-c>' , '<STR_LIT>' , type = '<STR_LIT:int>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> parser . add_option_group ( group ) <EOL> group = optparse . OptionGroup ( parser , '<STR_LIT>' , <EOL> '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , action = '<STR_LIT:store_true>' , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , action = '<STR_LIT:store_true>' , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , action = '<STR_LIT:store_true>' , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , action = '<STR_LIT:store_true>' , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> parser . add_option_group ( group ) <EOL> group = optparse . OptionGroup ( parser , '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , metavar = '<STR_LIT>' , default = None , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , action = '<STR_LIT:count>' , default = <NUM_LIT:0> , <EOL> help = '<STR_LIT>' ) <EOL> group . add_option ( '<STR_LIT>' , '<STR_LIT>' , action = '<STR_LIT:store_true>' , default = False , <EOL> help = '<STR_LIT>' ) <EOL> parser . add_option_group ( group ) <EOL> options , _ = parser . parse_args ( ) <EOL> if len ( sys . argv ) == <NUM_LIT:1> : <EOL> parser . print_help ( ) <EOL> return <NUM_LIT:1> <EOL> if options . debug > <NUM_LIT:0> : <EOL> options . debug = min ( options . debug , ScholarUtils . LOG_LEVELS [ '<STR_LIT>' ] ) <EOL> ScholarConf . LOG_LEVEL = options . debug <EOL> ScholarUtils . log ( '<STR_LIT:info>' , '<STR_LIT>' % ScholarConf . LOG_LEVEL ) <EOL> if options . version : <EOL> print ( '<STR_LIT>' % ScholarConf . VERSION ) <EOL> return <NUM_LIT:0> <EOL> if options . cookie_file : <EOL> ScholarConf . COOKIE_JAR_FILE = options . cookie_file <EOL> if options . cluster_id is not None : <EOL> if options . author or options . allw or options . some or options . none or options . phrase or options . title_only or options . pub or options . after or options . before : <EOL> print ( '<STR_LIT>' ) <EOL> return <NUM_LIT:1> <EOL> querier = ScholarQuerier ( ) <EOL> settings = ScholarSettings ( ) <EOL> if options . citation == '<STR_LIT>' : <EOL> settings . set_citation_format ( ScholarSettings . CITFORM_BIBTEX ) <EOL> elif options . citation == '<STR_LIT>' : <EOL> settings . set_citation_format ( ScholarSettings . CITFORM_ENDNOTE ) <EOL> elif options . citation == '<STR_LIT>' : <EOL> settings . set_citation_format ( ScholarSettings . CITFORM_REFMAN ) <EOL> elif options . citation == '<STR_LIT>' : <EOL> settings . set_citation_format ( ScholarSettings . CITFORM_REFWORKS ) <EOL> elif options . citation is not None : <EOL> print ( '<STR_LIT>' ) <EOL> return <NUM_LIT:1> <EOL> querier . apply_settings ( settings ) <EOL> if options . cluster_id : <EOL> query = ClusterScholarQuery ( cluster = options . cluster_id ) <EOL> else : <EOL> query = SearchScholarQuery ( ) <EOL> if options . author : <EOL> query . set_author ( options . author ) <EOL> if options . allw : <EOL> query . set_words ( options . allw ) <EOL> if options . some : <EOL> query . set_words_some ( options . some ) <EOL> if options . none : <EOL> query . set_words_none ( options . none ) <EOL> if options . phrase : <EOL> query . set_phrase ( options . phrase ) <EOL> if options . title_only : <EOL> query . set_scope ( True ) <EOL> if options . pub : <EOL> query . set_pub ( options . pub ) <EOL> if options . after or options . before : <EOL> query . set_timeframe ( options . after , options . before ) <EOL> if options . no_patents : <EOL> query . set_include_patents ( False ) <EOL> if options . no_citations : <EOL> query . set_include_citations ( False ) <EOL> if options . count is not None : <EOL> options . count = min ( options . count , ScholarConf . MAX_PAGE_RESULTS ) <EOL> query . set_num_page_results ( options . count ) <EOL> querier . send_query ( query ) <EOL> if options . csv : <EOL> csv ( querier ) <EOL> elif options . csv_header : <EOL> csv ( querier , header = True ) <EOL> elif options . citation is not None : <EOL> citation_export ( querier ) <EOL> else : <EOL> txt ( querier , with_globals = options . txt_globals ) <EOL> if options . cookie_file : <EOL> querier . save_cookies ( ) <EOL> return <NUM_LIT:0> <EOL> if __name__ == "<STR_LIT:__main__>" : <EOL> sys . exit ( main ( ) ) </s>
