Python Pandas DataFrame to_csv奇怪的格式

debugcn 发表于 Dev

CMPSoares

我正在尝试将大型DataFrame导出到常规CSV，相反，当我使用to_csv方法时，会得到以下格式：

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Sociedade Política Mundo Desporto Auto-Digital Cultura Ambiente Saúde Pessoas TV e Cinema Multimédia Informática Torne o DD a sua homepageterça-feira, 23 de Fevereiro de 2010 | 14:55 MUNDO POLÍTICA SOCIEDADE AMBIENTE SAÚDE PESSOAS ECONOMIA DESPORTO CULTURA TV E CINEMA MULTIMÉDIA INFORMÁTICA MÚSICA Outros artigos desta secção terça-feira, 29 de Dezembro de 2009 | 12:36 Imprimir Enviar por Email Polícia alemã testa scanner corporal para segurança aérea A Polícia alemã está a testar há um ano e meio os sistemas de scanner corporal para optimizar a segurança aérea, informaram hoje fontes policiais, depois de, nos últimos dias, terem aumentado os controlos dos passageiros com destino aos EUA. Os testes acontecem a portas fechadas, em dependências policiais de Lübeck (norte do país), e, até ao momento, não foi elaborado nenhum relatório sobre a sua eficiência nem estabelecido quanto tempo durarão as provas, acrescentou essa fonte. As autoridades alemãs, assim como outros países europeus e do resto do mundo, aumentaram o esquema de segurança e controlo dos viajantes para os EUA, após a tentativa de atentado realizada por um nigeriano num avião que fazia a ligação entre Amesterdão e Detroit. Os passageiros com destino aos EUA devem apresentar-se nos aeroportos antes do habitual, mas essas medidas provocaram alguns atrasos nas descolagens dos voos. A tentativa de atentado no avião com destino a Detroit abriu um debate na Alemanha sobre a segurança aérea, enquanto alguns especialistas advertem que esta não pode ficar 100% garantida nem mesmo com scanner corporal, que também representa uma restrição do direito à privacidade. CONTINUA ... function abrirjanela(theurl) { window.open(theurl,'print',""toolbar=no,location=no,directories=no,status=no,menubar=0,scrollbars=no,resizable=no,copyhistory=no,width=615,height=400""); } function abrirjanelaFriend(theurl) { window.open(theurl,'EnviarAmigo',""toolbar=no,location=no,directories=no,status=no,menubar=0,scrollbars=no,resizable=no,copyhistory=no,width=242,height=180""); } Canais Diário Digital OE2010: BE quer taxar a 25% transferências para off-shoresWall Street inicia sessão com ligeiras quedasFrente Comum desconvoca greve de 4 de Março na Madeira The National no Super Bock Super RockAgenda de concertos 23 de FevereiroPassatempo: A Dama de Copas e o Rei de Cuba // <![CDATA[ var so = new SWFObject(""images_banner/Tivoli-mrec.swf"", ""pub825"", ""300"", ""250"", ""9"", """"); so.write(""flashcontent825""); // ]]> & vbcrlf document.write ('<SCR' + 'IPT SRC=""http://ads.sapo.pt/js.ng/site=diariodigital&chan=diariodigital&adsize=300x250&type=mrec&pos=2&TileID='+TileID+'""></SCR' + 'IPT>'); PassatempoDama de Copas e o Rei de Cuba Acerto de Contas Mundover maisPolíticaver maisSarkozy nomeia socialista para o Tribunal de ContasFarc atacam sedes de partidos na ColômbiaIrão: Ahmadinejad promete cortar mãos de agressores Holanda: Legislativas antecipadas marcadas para 9 de JunhoCarro armadilhado explode na Irlanda do NorteIrão disposto a comprar ou trocar combustível nuclear Secretário de Estado João Correia critica Cândida AlmeidaZapatero e Durão Barroso prometem apoio à MadeiraBE propõe fim dos benefícios fiscais para PPRFrente Comum desconvoca greve de 4 de Março na MadeiraDirector do Sol pede adiamento da audição parlamentarAR aprova deliberação de solidariedade com a Madeira Sociedadever maisEconomiaver maisProvedor de Justiça recomenda alteração de dois diplomasMadeira: Bispo do Funchal presidiu ao primeiro funeralSMMP «estupefacto» com declarações de Cândida AlmeidaMetro do Porto contesta providência cautelar ao concursoMadeira: Governo reduz para 13 número de desaparecidosInternamento de Valentim Loureiro adia debate instrutórioOE2010: BE quer taxar a 25% transferências para off-shoresWall Street inicia sessão com ligeiras quedasBanif recorre a tribunal para recuperar 13 M€ nos AçoresLufthansa cancela voos apesar de suspensão da greve pilotosBrasil: BRIC são a «tropa de elite da economia mundial»FMI: Fim dos apoios à economia deve ser «concertado»Saúdever maisPessoasver maisCascais: 50 manifestantes protestam frente ao novo hospitalCientistas criam mosquito transgénico para conter dengueNovo Hospital de Cascais é hoje inauguradoMenos de metade dos portugueses foram ao dentista em 2009Instituto Macrobiótico promove workshop de geobiologiaEstudo vai inquirir doentes sobre morte assistidaNicole Scherzinger e Lewis Hamilton reconciliam-seJennifer Lopez deixa Sony Music e atrasa novo CDHaiti: Vestido de Britney Spears rende 5.878 eurosLindsay Lohan admite abuso de drogasFerrán Adriá anuncia fundação no Restaurante elBulli em 2014América Latina: Shakira lança fundo para a infânciaDesportover maisCulturaver maisSporting: Moutinho informou-se sobre o interesse do ZenitSp. Braga promete abrir as portas do estádio com o OlhanenseFC Porto: Fernando com rotura muscularI Liga: Leixões e Wires lideram nas faltas cometidasI Liga: FC Porto e Hulk lideram perdas de bolaI Liga: William é o que mais «cai» em fora de jogoSiza Vieira entre 200 criadores para «vazio» do Guggenheim SLTM acolhe Semana da Cultura Açoriana de 2 a 7 de Março*Veja programa no interior...Coimbra: Eduardo Pitta na livraria Almedina Estádio dia 25Braga: Theatro Circo acolhe «niewZwart» dia 28 de FevereiroGastronomia de Macau em destaque no MdO em MarçoCiclo «Grandes Pianistas» abre dia 26 com Artur PizarroTV e Cinemaver maisAmbientever maisNGC estreia «Caçadores de Cabeças da II Guerra» em MarçoOwen Wilson protagonizará próximo filme de Woody AllenEUA vai produzir série inspirada em conta do TwitterMichael Jackson: «Captain EO» volta a ser exibido na DisneyShia LaBeauf aprende a jogar na Bolsa para «Wall Street 2»Taylor Lautner protagonizará «Abduction»Vento arranca 300 azinheiras centenárias em Nisa e CratoNovo Aeroporto: Medidas de minimização custarão até 150 M€Aviação: OACI fixa 2013 como meta para criar norma sobre CO2Navios deixam 135 toneladas de lixo no FunchalHora do Planeta: Lisboa e Faro às escuras dia 27 de MarçoBaleias: Austrália ameaça avançar com acção contra JapãoInformática e Multimédiaver maisMúsicaver mais«SOS Madeira» reúne 30 mil membros no FacebookNova Iorque: Apple Store acolhe casamento entre nerdsAmazon e Microsoft assinam acordo para partilhar patentes Timor Telecom muda imagem e anuncia rede 3GFacebook eleita a empresa mais inovadora do mundo Grupo Renascença reorganizado em «r/com Multimédia» The National no Super Bock Super RockPassatempo: A Dama de Copas e o Rei de CubaA Silent Film regressam a PortugalSuper Bock Super Rock muda-se para o MecoMotorhead no Rock In Rio document.write ('<SCR' + 'IPT SRC=""http://ads.sapo.pt/js.ng/site=diariodigital&chan=diariodigital&adsize=300x250&type=mrec&pos=1&TileID='+TileID+'""></SCR' + 'IPT>'); document.write ('<SCR' + 'IPT SRC=""http://ads.sapo.pt/js.ng/site=diariodigital&chan=diariodigital&adsize=300x100&type=banner&pos=2&TileID='+TileID+'""></SCR' + 'IPT>'); TempoMercados Clique para aceder ao ticker function popW(){window.open(""ddTik.asp"",""Ticker"",""toolbar=no,location=no,directories=no,status=no,menubar=0,scrollbars=1,resizable=no,copyhistory=no,width=520,height=100"")}PSI20 -43.4 7,690.93 -0.56 HoróscopoNewsletterAUTO-DIGITALAPRESENTAÇÃO NACIONALChevrolet Spark LIVROS«O Terceiro Reich»: 1º capítuloDepois de «2666», a Quetzal edita mais uma obra do chileno Roberto Bolaño, «O Terceiro Reich», que terá lançamento oficial durante as Correntes d´Escritas na próxima quinta-feira. Portugal será o segundo país a nível mundial a ver editado o livro póstumo de Bolãno.Mundial 2010Calendário do Mundial 201015/06: Costa do Marfim-PORTUGAL 21/06: PORTUGAL-Coreia do Norte 25/06: PORTUGAL-BrasilUtilidadesEscolha uma opção...Agenda do DiaDiário da RepúblicaFarmáciasEP - TrânsitoProgramação TVImprensa do DiaEscolha uma opção...Diário de NotíciasPúblicoExpressoDiário EconómicoA BolaRecordO JogoFinancial TimesSolJornal de NegóciosServiçosEscolha uma opção...RSSSMSWAP / PDATicker NotíciasNewsLetterE-DiárioChatWebmailSondagemSócrates continua a ter condições para governar?SimNão <!-- function CheckVote(theOption) { check = false; for (i=0;i<25;i++) { if (theOption.answer[i]) { if (theOption.answer[i].checked) { window.open('','Result',""toolbar=no,location=no,directories=no,status=no,menubar=0,scrollbars=no,resizable=no,copyhistory=no,width=270,height=270""); check=true; break; } } else break; } if (check==false) alert(""Por favor selecione uma opção para votar""); return check; } // --> Opinião Digital«Ética: mais do mesmo?»Dom Vasco Teles da Gama«Quando é que se indignam?»Fátima Moura da Silva«Com Papas e Bolos »João Mattos e SilvaCinemaESTREIAS A 18 DE FEVEREIRO«O Lobisomem» «An Education» «Bobby Cassidy: Counterpuncher» «Um Homem Sério» «Um Homem Singular» // <![CDATA[ var so = new SWFObject(""http://diariodigital.sapo.pt/banner.swf"", ""pub0001"", ""120"", ""130"", ""9"", """"); so.write(""flashcontent""); // ]]> Copyright Diário Digital 1999/2010 Av. da Liberdade, nº13 - 3ºEsq. 1250-139 LisboaTelefone: 21.359.31.00 | Fax: 21.359.31.31Propriedade: Caneta Electrónica - Edições Multimédia , SAEmpresa jornalística: 223 356 * Registo de título: 123 357Membro da Associação Portuguesa de Imprensa Ficha Técnica | Estatuto editorial | E-mail document.write ('<SCR' + 'IPT SRC=""http://ads.sapo.pt/js.ng/site=diariodigital&chan=diariodigital&adsize=1x1&type=richmedia& TileID='+TileID+'""></SCR' + 'IPT>'); var WRP_ID= 312223; var WRP_SECTION_GRP='Noticias'; var WRP_SUBSECTION_GRP= 'Diario Digital (312223)'; var WRP_CONTENT='Home content'; var WRP_CHANNEL; var WRP_SECTION=''; var WRP_SUBSECTION=''; WRP_SECTION='Homepage'; WRP_SUBSECTION='Artigo'; webo_ok=0; /* Profondeur Frame */ var WRP_ACC ; wreport_ok=0; if(wreport_ok==1){ var w_counter = new wreport_counter(WRP_SECTION, WRP_SUBSECTION, WRP_ID, WRP_ACC, WRP_CHANNEL, WRP_SECTION_GRP, WRP_SUBSECTION_GRP); w_counter.add_content(WRP_CONTENT); w_counter.count();}",,0,0,0,[[]],0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,153,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,1,202,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,24,0,0,0,0,0,0,0,4,0,5,0,0,0,0,0,0,0,0,1,0,0,17,0,6,1,155,11,0,0,0,1,0,0,1,0,0,0,0,0,3,0,0,0,0,0,0,0,39,0,7,0,0,0,0,0,0,0,0,0,21,0,4,0,0,1,0,0,2,0,0,0,62,0,179,0,0,0,0,0,1,98,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"ID
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2200976,22,./dataset_html/diario_digital/4446001.html,976,br,6,0,td,973.0,0,0,0,[],0,0,0,[],0,0,0,0,0,0,0,,,0,0,0,[[]],0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"ID
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    987    2200987
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输入是几个（> 3000）混合数据数据帧（大数据），我无法在此处复制，甚至不能复制一行。

我使用的代码摘录如下：

for picklefile in pickleFiles: 
    if count%100 == 0:
        t2 = datetime.now()
        print(str(t2))
        print('count = ' + str(count))
        print('time: ' + str(t2 - t1) + '\n')
        t1 = t2

    #DataFrame Manipulation:
    df = pd.read_pickle(path + picklefile)
    df['Concatenated String Index'] = str(100000*df.FileID + df.ID).zfill(10)
    df['ConcatIndex'] = 100000*df.FileID + df.ID
    df.index = df.ConcatIndex

    #DataFrame Normalization:
    #TODO: Cycle that normalizes every column in each DataFrame...

    #Saving DataFrame in different formats:
    df.to_pickle(path + "Normalized/Pickle/" + picklefile)
    df.to_csv(path + 'Normalized/CSV/' + picklefile.strip('.p') + '.csv')

    if picklefile == '0000.p':
        f = open('teste.txt', 'w')
        f.write(pd.DataFrame.to_string(df))
        f.close

        df.to_csv(finalnormCSVFile)
    else:
        df.to_csv(finalnormCSVFile, mode='a', header=False)

    count += 1

所需的输出，基本csv格式，如下所示：

Index, head1, head2, head3, ...
0, value1, value2, value3, ...
1, value1, value2, value3, ...
2, value1, value2, value3, ...
3, value1, value2, value3, ...
4, value1, value2, value3, ...
...
etc.

如何更改此设置并获得完整的基于行的csv输出？

CMPSoares

似乎脚本的这一部分正在造成所有损害：

    #DataFrame Manipulation:
    df = pd.read_pickle(path + picklefile)
 -> df['Concatenated String Index'] = str(100000*df.FileID + df.ID).zfill(10)
    df['ConcatIndex'] = 100000*df.FileID + df.ID
    df.index = df.ConcatIndex

当将这些索引转换为字符串时，它返回整个转换索引的字符串，这就是为什么它看起来很奇怪的原因。将该代码行转换为for每个循环，并可以正常工作。

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