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Chii chinonzi Web Scraping? Pamusoro 10 Makirasiyamu emapuraneti - Expert Semalt

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. Iro webhuti yekukohwa inosvika kuWestern Wide Web uchishandisa Hypertext Transfer Protocol, inounganidza dhenda kubva kune zvakasiyana-siyana, uye inoishandura iyo ive inoverengeka uye inoparara. Mabhoti anoita basa rinokosha mukuunganidza deta uye kuwedzera. Vanobatsira kuchengetedza zvinyorwa zvakagadzirwa mune dhesi yepakati pekushandisa kushandiswa kwepaIndaneti.

MaWebhu akavakwa achishandisa mitauro yakasiyana-siyana yakaronga yakadai se HTML ne XHTML. Ndicho chikonzero, makambani akagadzira zvakasiyana-siyana maitiro ekutsvaga webhu maitiro uye kuvimba neDOM kuparidzira, maonero emakombiyuta, uye kutaridzirwa kwemitauro yemhando yepamusoro kufanana nemafambiro evanhu - camera studio lighting equipment. Dharura yekutsvaga inonzi inofanirwa uye inelegant maitiro, asi inobatsira kumabhizimisi, mapurogiramu, kwete makodhi, webmasters, vatapi venhau, vatengesi vedhijiti uye vanyori vanozvipira.

A web scraper i API inobatsira kubvisa ruzivo kubva kune nzvimbo dzakasiyana-siyana. Makambani akafanana neGoogle neAmazon anopa mazano ehutano akasiyana-siyana uye zvishandiso. Mazuva ano mapepa ekutsvaga webwadhi ndeyekupa deta, RSS feeds, Twitter feeds, uye ATOM zvinopa. JSON neCSV zvinoshandiswa senzira yekuchengetedza kutakura pakati pemaseva ewebhu uye mutengi. Octoperse, Import. io, Kimono Labs uye ParseHub ndiyo inonyanya kuzivikanwa webhutti yekunyora . Vanouya vari vaviri vakasununguka uye vanobhadhara zvinyorwa uye vanogona kuita mabasa mazhinji mauri. Imwe yakakonzerwa uye yakaiswa, zvishandiso izvi zvinogona kuparadzira mazana emapeji ewebhu mumaawa.

Makamuri gumi epamusoro ekunyora mabhiioni ekutsvaga webhu:

Python isirimi yepurogiramu mutauro. Inoshandisa simba rinoshandiswa uye rinowanzochengetedza kukanganisa. Python inotsigira zvirongwa zvakasiyana-siyana zveparadigms, zvakadai sechinhu chinotaridzika, chinoshanda, chiitiko uye chakakosha. Iine nhamba huru yematareji akachengetwa, asi mazita ekuremekedzwa kwePython anotsanangurwa pasi apa.

1. Zvinokumbira

Zvaunokumbira ndiraibhurari yePython HTTP iyo inonyanya kutaura nezvekubatana kwemawebhusayithi akasiyana. Inogona kuchengetedza makiki, chengetedza zvirongwa zvekupinda, uye kubata masiteere ari pasi kana kutora nguva yakareba kuti upindure. Iyo inobvumirwa neAppache2 License, uye chinangwa chekumbira ndekukutumira zvikumbiro zveHTTP nenzira yakabatana uye yakazara.

2. Zvirwere

Chirongwa chewebhu chinoshandura software chinobatsira kubvisa ruzivo rwakakosha kubva kune mawebsite akasiyana.

3. SQLALchemy

SQLAlchemy ibhuku rekuraibhurari rekushandisa rekushandisa iro rinobatsira vateereri uye vanogadzira webhu.

4. BeautifulSoup

Iyi HTML uye XML parsing mabhaibheri inobatsira kune velelancers uye webmasters.

5. Lxml

Icho chishandiso chekushanda ne XML nemagwaro e HTML. Inobatsira kuongorora XPath uye CSS vasarudzo uye kuwana zvakaenzana zvikamu pamusika.

6. Pygame

Iri raibhurari yePython inobatsira kuita mabasa e2D yemutambo.

7. Pyglet

Ndiyo simba guru reku 3D uye mhuka yekusika injini, iyo inozivikanwa nokuda kwayo yakashandiswa-user interface.

8. Nltk (Natural Language Toolkit)

Inobatsira kugadzira tsvimbo dzakasiyana uye inokwanisa kuita mabasa akawanda panguva.

9. Nzeve

Mhete ipasimusi yekuedza yePython inoshandiswa nemazana evaridzi pasi pose.

10. SymPy

Ne SymPy, unogona kuita mabasa akawanda uye kuongorora hutano hwehutaneti hwako.

December 22, 2017