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Mara MmaNwepu Iji Weghara Webpage Content In Five Minutes - Expert Semalt Expert

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Ebere Mkpụrụ bụ ngwugwu Python nke eji eji akwụkwọ XML na HTML. Ọ na-eme osisi parse maka ibe weebụ ma dị maka Eke Ọgba 2 na Eke Ọgba 3. Ọ bụrụ na ị nwere mkpokọta weebụ nke a na-enweghị ike iwepu ya n'ụzọ kwesịrị ekwesị, ịnwere ike iji atụmatụ dị mma BeautifulSoup. Ihe data a ga - enweta bụ ihe zuru ezu, nke a pụrụ ịdabere na ya, nke nwere ọtụtụ ntinye na ọdụ na ogologo okwu - vendita confezione regalo semola.

Dị ka BeautifulSoup, lxml nwere ike imejuputa na html. Parser modul adabara. Otu n'ime ihe kachasị iche iche nke asụsụ a na-emepụta bụ na ọ na-enye spam nchedo na nsonaazụ kachasị maka data oge. Abụọ lxml na BeautifulSoup dị mfe-ịmụta na inye ọrụ atọ dị mkpa: nhazi, ịkọ na ntughari mkpụrụ. Na nkuzi a, anyị ga-akụziri gị otu esi eji BeautifulSoup iji nweta ederede nke ibe weebụ.

Nwụnye

Nzọụkwụ mbụ bụ ịwụnye BeautifulSoup 4 iji pip. Ngwa a na-arụ ọrụ na Python 2 na 3. BeautifulSoup na-agbakọta dị ka Eke Ọgba 2 koodu; na mgbe anyị jiri ya na Eke Ọgba 3, ọ na-eme ka ọ bụrụ nke a na-agbanye ọhụrụ na mbipute ọhụrụ, mana koodu anaghị emelite ma ọ bụrụ na anyị wụnye ngwugwu Python zuru ezu.

Ịwụnye Parser

Ị nwere ike ịwụnye parser kwesịrị ekwesị, dị ka html5lib, lxml, na html. parser. Ọ bụrụ na ị wụnye pip, ị ga-ebubata site na bs4. Ọ bụrụ na ibudata isi iyi ahụ, ị ​​ga-ebubata site na ụlọ akwụkwọ Python. Biko cheta na lxml parser na-abata na nsụgharị abụọ: XML parser na HTML parser. Parser HTML adịghị arụ ọrụ nke ọma na nsụgharị ochie nke Eke Ọgba; ya mere, ịnwere ike ịwụnye Parser XML ma ọ bụrụ na parser HTML na-akwụsị ịzaghachi ma ọ bụ adịghị arụnye ya nke ọma. The lxml parser bụ ngwa ngwa na ngwa ngwa ma na-enye nsonaazụ ziri ezi.

Jiri BeautifulSoup iji nweta nkọwa

Na BeautifulSoup, ị nwere ike ịnweta nkwupụta nke ibe weebụ a chọrọ.A na-echekarị okwu na mpaghara Ikwu Ihe Akara ma jiri ya na-anọchite anya ọdịnaya weebụ weebụ n'ụzọ kwesịrị ekwesị.

Aha, Njikọ, na Isi okwu

I nwere ike iwepụ utu aha, njikọ, na isiokwu na BeautifulSoup.Naanị ị ga-enweta akararịrị nke ibe ahụ na koodu kapịrị ọnụ. Ozugbo enwetara akara ahụ, ị ​​nwere ike nyocha data site na isi na isi okwu.

Gaa na DOM

Anyị nwere ike ịnyagharịa site na osisi DOM na iji BeautifulSoup. Tags ịkọcha ihe ga-enyere anyị aka wepụ data maka ebumnuche SEO.

Nchikota:

Ozugbo usoro a kọwara n'elu dịcha, ị ga-enwe ike ijide ihe odide weebụ dị mfe. Usoro ahụ dum agaghị ewe ihe karịrị nkeji ise ma kwe nkwa nsonaazụ ọma. Ọ bụrụ na ị na-achọ iwepụ data sitere na akwụkwọ HTML ma ọ bụ faịlụ PDF, mgbe ahụ, BeautifulSoup ma ọ bụ Python agaghị enyere gị aka. N'ọnọdụ ndị dị otú a, ị ga-anwale ihe nlekota HTML ma nyochaa akwụkwọ weebụ gị ngwa ngwa. I kwesiri iji ohere mara MmaSoup mee ihe iji weputa data maka ebumnuche SEO. Ọbụna ma ọ bụrụ na anyị na-ahọrọ parsers HTML nke lxml, anyị ka nwere ike iji uru nke nsonaazụ nkwado nke BeautifulSoup ma nwee ike nweta nsonaazụ ọma na nkeji nkeji.

December 22, 2017