forked from filipg/twilight-library
Very simple crawler
This commit is contained in:
Mateusz Ogrodowczyk
parent
8883a924b4
commit
dd4ffc2faf
110
app/tekstydrugie.hs
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110
app/tekstydrugie.hs
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{-# LANGUAGE Arrows, NoMonomorphismRestriction #-}
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import ShadowLibrary.Core
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import Text.XML.HXT.Core
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import Text.XML.HXT.XPath
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-- import Text.XML.HXT.Curl
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import Data.List
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import Data.List.Utils (replace)
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import Text.Regex.Posix
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import Text.Printf
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extractRecords = extractLinksWithText "//section[@id='section-content']//h2/a" -- pary adres-tytuł
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>>> second (arr $ replace "\r\n " " ") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
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-- >>> first (arr ((++"tr") . init)) -- modyfikujemy pierwszy element pary, czyli adres URL
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>>> first (extractLinksWithText "//div[@class='attachment']/a[contains(@href, '.pdf')]") -- pobieramy stronę z adresu URL i wyciągamy linki z tej strony pasujące do wyrażenia XPathowego
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-- ostatecznie wyjdą trójki ((adres URL, tytuł artykułu), tytuł rocznika)
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-- ... a tutaj te trójki przerabiamy do docelowej struktury ShadowItem
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toShadowItem :: ((String, String), String) -> ShadowItem
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toShadowItem ((url, articleTitle), yearlyTitle) =
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(defaultShadowItem url title) {
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originalDate = Just date,
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itype = "periodical",
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format = Just "pdf",
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finalUrl = url
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}
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where title = "Teksty Drugie " ++ yearlyTitle ++ " " ++ (replace "\r\n" "" (replace "\r\n " "" articleTitle))
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date = getDate url
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getDate url =
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case url =~~ "/([1-2][0-9][0-9][0-9]|20[0-9][0-9])/" :: Maybe [[String]] of
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Just [[_, year]] -> year
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otherwise -> error $ "unexpected url: " ++ url
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main = do
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let start = "http://tekstydrugie.pl/pl/numery-archiwalne/"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Teksty Drugie",
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abbrev="TekDru",
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lLevel=0,
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webpage=start}
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let start1 = "http://tekstydrugie.pl/pl/numery-archiwalne/1990/"
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let start2 = "http://tekstydrugie.pl/pl/numery-archiwalne/1991/"
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let start3 = "http://tekstydrugie.pl/pl/numery-archiwalne/1992/"
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let start4 = "http://tekstydrugie.pl/pl/numery-archiwalne/1993/"
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let start5 = "http://tekstydrugie.pl/pl/numery-archiwalne/1994/"
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let start6 = "http://tekstydrugie.pl/pl/numery-archiwalne/1995/"
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let start7 = "http://tekstydrugie.pl/pl/numery-archiwalne/1996/"
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let start8 = "http://tekstydrugie.pl/pl/numery-archiwalne/1997/"
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let start9 = "http://tekstydrugie.pl/pl/numery-archiwalne/1998/"
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let start10 = "http://tekstydrugie.pl/pl/numery-archiwalne/1999/"
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let start11 = "http://tekstydrugie.pl/pl/numery-archiwalne/2000/"
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let start12 = "http://tekstydrugie.pl/pl/numery-archiwalne/2001/"
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let start13 = "http://tekstydrugie.pl/pl/numery-archiwalne/2002/"
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let start14 = "http://tekstydrugie.pl/pl/numery-archiwalne/2003/"
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let start15 = "http://tekstydrugie.pl/pl/numery-archiwalne/2004/"
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let start16 = "http://tekstydrugie.pl/pl/numery-archiwalne/2005/"
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let start17 = "http://tekstydrugie.pl/pl/numery-archiwalne/2006/"
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let start18 = "http://tekstydrugie.pl/pl/numery-archiwalne/2007/"
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let start19 = "http://tekstydrugie.pl/pl/numery-archiwalne/2008/"
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let start20 = "http://tekstydrugie.pl/pl/numery-archiwalne/2009/"
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let start21 = "http://tekstydrugie.pl/pl/numery-archiwalne/2010/"
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let start22 = "http://tekstydrugie.pl/pl/numery-archiwalne/2011/"
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let start23 = "http://tekstydrugie.pl/pl/numery-archiwalne/2012/"
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let start24 = "http://tekstydrugie.pl/pl/numery-archiwalne/2013/"
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let start25 = "http://tekstydrugie.pl/pl/numery-archiwalne/2014/"
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let start26 = "http://tekstydrugie.pl/pl/numery-archiwalne/2015/"
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let start27 = "http://tekstydrugie.pl/pl/numery-archiwalne/2016/"
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let start28 = "http://tekstydrugie.pl/pl/numery-archiwalne/2017/"
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let start29 = "http://tekstydrugie.pl/pl/numery-archiwalne/2018/"
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let start30 = "http://tekstydrugie.pl/pl/numery-archiwalne/2019/"
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let start31 = "http://tekstydrugie.pl/pl/numery-archiwalne/2020/"
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let start32 = "http://tekstydrugie.pl/pl/numery-archiwalne/2021/"
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extractItemsStartingFromUrl shadowLibrary start1 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start2 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start3 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start4 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start5 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start6 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start7 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start8 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start9 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start10 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start11 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start12 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start13 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start14 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start15 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start16 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start17 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start18 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start19 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start20 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start21 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start22 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start23 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start24 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start25 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start26 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start27 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start28 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start29 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start30 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start31 (extractRecords >>> arr toShadowItem)
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extractItemsStartingFromUrl shadowLibrary start32 (extractRecords >>> arr toShadowItem)
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