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Ta yaya za a cire bayanai daga yanar gizo tare da Python & BeautifulSoup? - Amsaccen Dama

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A kayan aiki na yanar gizo kayan aiki ya cire bayanai kuma ya gabatar da shi a cikin wani tsari na musamman don taimakawa masu binciken yanar gizo su zo da sakamakon da suke bukata. Yana da takamaiman aikace-aikace a kasuwa, amma ana iya amfani dashi a wasu yanayi. Alal misali, manajoji suna amfani da shi don kwatanta farashin samfurori daban-daban.

Gizon yanar gizo tare da Python

Python wani harshe mai mahimmanci ne tare da ƙwararriyar mahimmanci da lambar zaɓuɓɓuka. Ya dace ko da sabon shiga saboda yawancin zaɓuɓɓukan da yake da shi. Bugu da ƙari, Python yana amfani da ɗakin ɗakin karatu mai suna Beautiful Soup - needs company lebanon. An rubuta shafukan yanar gizo ta hanyar amfani da HTML, wanda ya sa shafin yanar gizon ya zama wani tsari da aka tsara. Duk da haka, masu amfani suna buƙatar tunawa cewa shafuka daban-daban ba su samar da abinda suke ciki a koyaushe ba cikin shafuka masu dadi. A sakamakon haka, shafukan yanar gizon yana bayyana wani zaɓi mai tasiri da amfani. A gaskiya ma, yana ba masu amfani dama don yin abubuwa daban-daban da suka kasance suna amfani da Microsoft Word.

LXML & Request

LXML wata babbar ɗakin karatu ce wanda za a iya amfani dashi don aiwatar da rubutun HTML da XML da sauri da kuma sauƙi. A gaskiya ma, ɗakin LXML ya ba da dama ga masu bincike na yanar gizo don yin tsarin gine da za a iya fahimta da sauƙin amfani da XPath. Ƙari musamman, XPath ya ƙunshi dukkan bayanan da ke amfani. Alal misali, idan masu amfani suna so kawai su cire sunayen wasu shafukan yanar gizo, suna buƙatar farko su gano ko wane nau'in HTML yake zaune.

Samar da Lambobi

Masu farawa zasu iya da wuya a rubuta lambobin. A cikin harsuna shirye-shiryen, masu amfani sun rubuta ko da mahimman ayyuka. Don ƙarin ayyuka masu tasowa, masu bincike na yanar gizon suna yin tsarin kansu. Duk da haka, Python zai iya zama babbar taimako gare su, saboda idan sunyi amfani da shi, baza su ayyana kowane tsarin bayanai ba, saboda wannan dandamali yana ba da kayan aiki na musamman ga masu amfani da shi don yin aikinsu.

Don shafe shafin yanar gizon, suna buƙatar sauke ta ta amfani da buƙatun kundin Python. A sakamakon haka, buƙatun buƙatun zai sauke abun ciki na HTML daga wasu shafuka. Masu bincike na yanar gizo kawai suna buƙatar tuna cewa akwai buƙatun iri daban-daban.

Dokokin Rubuce-tsaren Python

Kafin shafukan yanar gizo, masu amfani suna buƙatar karanta shafukan su da Shafuka don kauce wa matsalolin shari'a a nan gaba. Alal misali, ba kyakkyawan ra'ayi ne don neman bayanai ba sosai. Suna bukatar tabbatar da cewa shirin su yana kama da mutum. Kayan buƙatar daya shafin yanar gizon kowace rana shine babban zaɓi.

Lokacin da ziyartar shafuka daban-daban, masu bincike na yanar gizo su kiyaye ido a kan shimfidawa saboda sun canza daga lokaci zuwa lokaci. Don haka, suna buƙatar sake ziyarci wannan shafin kuma sake rubuta lambobin su idan ya cancanta.

Samun da kuma karɓar bayanai daga intanet zai iya zama aiki mai ƙalubalantar kuma Python zai iya yin wannan tsari kamar yadda zai iya zama.

December 22, 2017