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Merge pull request karussell#38 from skyshard/abhishek/date_extractio…
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…n_lookout_com

Fixed date extraction for lookout.com
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@andresp99999
andresp99999 authored Jun 12, 2017
2 parents 56d2a00 + e9c079b commit 8a3fab2
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Showing 5 changed files with 932 additions and 8 deletions.
70 changes: 63 additions & 7 deletions src/main/java/de/jetwick/snacktory/ArticleTextExtractor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -295,6 +295,41 @@ public boolean hasHTMLTags(String text){
private static final Pattern COMPUTER_WEEKLY_DATE_PATTERN = Pattern.compile("<a[^>]*>([^<]*)</a>");
private static final Pattern DATE_PATTERN = Pattern.compile("\"(ptime|publish(ed)?[_\\-]?(date|time)?|(date|time)?[_\\-]?publish(ed)?|posted[_\\-]?on|display[_\\-]?(date|time)?)\"\\s*:\\s*\"(?<dateStr>[^\"]*?)\"", Pattern.CASE_INSENSITIVE);

private final String MMM_PATTERN = "(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec|January|February|March|April|May|June|July|August|September|October|November|December)";
private final Pattern[] DATE_PATTERNS = new Pattern[] {

// Covers below patterns (date and time delimiter can .-/:)
// "yyyy/MM/dd"
// "yyyy/MM/dd HH:mm"
// "yyyy/MM/dd HH:mm:ss"
Pattern.compile("\\d{4}[\\-./]?\\d{2}[\\-./]?\\d{2}\\s*(\\d{2}[\\-.:]?\\d{2}([\\-.:]?\\d{2})?)?"),

// Covers below patterns (date and time delimiter can .-/:)
// "dd MMM yyyy"
// "dd MMM yyyy HH:mm"
// "dd MMM yyyy HH:mm:ss"
// "dd MMMM yyyy"
// "dd MMMM yyyy HH:mm"
// "dd MMMM yyyy HH:mm:ss"
Pattern.compile("\\d{2} " + MMM_PATTERN + "\\s\\d{4}\\s*(\\d{2}[\\-.:]?\\d{2}([\\-.:]?\\d{2})?)?", Pattern.CASE_INSENSITIVE),

// Covers below patterns (date and time delimiter can .-/:)
// "MMM dd, yyyy"
// "MMM dd, yyyy HH:mm"
// "MMM dd, yyyy HH:mm:ss"
// "MMMM dd, yyyy"
// "MMMM dd, yyyy HH:mm"
// "MMMM dd, yyyy HH:mm:ss"
Pattern.compile( MMM_PATTERN + "\\s\\d{2},\\s\\d{4}\\s*(\\d{2}[\\-.:]?\\d{2}([\\-.:]?\\d{2})?)?", Pattern.CASE_INSENSITIVE),

// Covers below patterns (date and time delimiter can .-/:)
// This is ambiguous to MM-dd-yyyy pattern. Not sure how we can differentiate between two.
// "dd-MM-yyyy"
// "dd-MM-yyyy HH:mm"
// "dd-MM-yyyy HH:mm:ss"
Pattern.compile("\\d{2}[\\-./]?\\d{2}[\\-./]?\\d{4}\\s*(\\d{2}[\\-.:]?\\d{2}([\\-.:]?\\d{2})?)?")
};

public ArticleTextExtractor() {
setUnlikely("com(bx|ment|munity)|dis(qus|cuss)|e(xtra|[-]?mail)|foot|"
+ "header|menu|re(mark|ply)|rss|sh(are|outbox)|sponsor"
Expand Down Expand Up @@ -449,16 +484,20 @@ public JResult extractContent(JResult res, Document doc, OutputFormatter formatt
}
*/

// get date from document, if not present, extract from URL if possible
Date docdate = extractDate(doc);
if (docdate == null) {
// Extract date from document using css selectors
Date extractedDate = extractDate(doc);
if (extractedDate == null) {
// Extract date from url
String dateStr = SHelper.completeDate(SHelper.estimateDate(res.getUrl()));
if(DEBUG_DATE_EXTRACTION){ System.out.println("Using SHelper.estimateDate"); }
docdate = parseDate(dateStr);
res.setDate(docdate);
} else {
res.setDate(docdate);
extractedDate = parseDate(dateStr);
}

if(extractedDate == null) {
// Regex match to entire article
extractedDate = extractDateUsingRegex(doc.toString());
}
res.setDate(extractedDate);

// now remove the clutter (first try to remove any scripts)
if (cleanScripts) {
Expand Down Expand Up @@ -1737,7 +1776,24 @@ protected Date extractDate(Document doc) {

if(DEBUG_DATE_EXTRACTION) { System.out.println("No date found!"); }
return null;
}

public Date extractDateUsingRegex(String document) {
String dateStr;
for (Pattern pattern : DATE_PATTERNS) {
Matcher matcher = pattern.matcher(document);
while (matcher.find()) {
dateStr = matcher.group();
Date parsedDate = parseDate(dateStr);
if (DEBUG_DATE_EXTRACTION) {
System.out.println("RULE- REGEX MATCH " + pattern.pattern());
}
if (parsedDate != null) {
return parsedDate;
}
}
}
return null;
}

private Date extractDateFromSelector(Document doc, String cssSelector)
Expand Down
75 changes: 74 additions & 1 deletion src/test/java/de/jetwick/snacktory/ArticleTextExtractorTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,11 @@
import org.junit.Ignore;
import org.junit.Test;


import java.io.BufferedReader;
import java.io.FileReader;
import java.text.DateFormat;
import java.text.DateFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
Expand Down Expand Up @@ -3110,6 +3112,77 @@ public void testSfchronicle() throws Exception {
compareDates("2015-09-30 00:00:00", res.getDate());
}

@Test
public void testLookout() throws Exception {
// https://blog.lookout.com/spectrum-of-mobile-risk
JResult res = new JResult();
res.setUrl("https://blog.lookout.com/spectrum-of-mobile-risk");
res = extractor.extractContent(res, c.streamToString(getClass().getResourceAsStream("lookout.html")));
assertEquals("https://blog.lookout.com/spectrum-of-mobile-risk", res.getCanonicalUrl());
assertEquals("Introducing The Spectrum of Mobile Risk: how to think about the risks facing data from mobility", res.getTitle());
assertTrue(res.getText(), res.getText().startsWith("Today, Lookout is introducing The Spectrum of Mobile Risk research report,"));
assertTrue(res.getText(), res.getText().endsWith("get a copy of the The Spectrum of Mobile Risk research paper today."));
assertEquals(StringUtils.EMPTY, res.getAuthorName());
assertEquals(StringUtils.EMPTY, res.getAuthorDescription());
compareDates("2017-05-16 00:00:00", res.getDate());
}

@Test
public void testComputerPartner() throws Exception {
// http://www.computerpartner.at/sites/dynamic.pl?id=news20080805131662610
JResult res = new JResult();
res.setUrl("http://www.computerpartner.at/sites/dynamic.pl?id=news20080805131662610");
res = extractor.extractContent(res, c.streamToString(getClass().getResourceAsStream("computerpartner.html")));
assertEquals("http://www.computerpartner.at/sites/dynamic.pl?id=news20080805131662610", res.getCanonicalUrl());
assertEquals("Computerpartner - hpc Consulting nominiert für Constantinus Award 2017", res.getTitle());
assertTrue(res.getText(), res.getText().startsWith("Mit ihrem innovativen Zeitmessungssystem für das Erzberg-Rodeo schaffte hpc Consulting"));
assertTrue(res.getText(), res.getText().endsWith(", meint Anatol Heinrich, Geschäftsführer hpc Consulting."));
assertEquals("M. Reisner", res.getAuthorName());
assertEquals(StringUtils.EMPTY, res.getAuthorDescription());
compareDates("2017-06-02 00:00:00", res.getDate());
}

@Test
public void testExtractDateUsingRegex() throws Exception{

final String DATE = "2017-06-07";
final String DATE_HH_MM = "2017-06-07 03:06";
final String DATE_HH_MM_SS = "2017-06-07 03:06:12";

ArticleTextExtractor extractor = new ArticleTextExtractor();

compareDates(DATE, extractor.extractDateUsingRegex("2017-06-07"));
compareDates(DATE_HH_MM, extractor.extractDateUsingRegex("2017-06-07 03:06"));
compareDates(DATE_HH_MM_SS, extractor.extractDateUsingRegex("2017-06-07 03:06:12"));

compareDates(DATE, extractor.extractDateUsingRegex("2017/06/07"));
compareDates(DATE_HH_MM, extractor.extractDateUsingRegex("2017/06/07 03:06"));

// @Todo: Need to debug more
//compareDates(DATE_HH_MM_SS, extractor.extractDateUsingRegex("20170607 030612"));

compareDates(DATE, extractor.extractDateUsingRegex("07 Jun 2017 00:00:00"));
compareDates(DATE_HH_MM, extractor.extractDateUsingRegex("07 Jun 2017 03:06"));
compareDates(DATE_HH_MM_SS, extractor.extractDateUsingRegex("07 Jun 2017 03:06:12"));

compareDates(DATE, extractor.extractDateUsingRegex("07 June 2017 00:00:00"));
compareDates(DATE_HH_MM, extractor.extractDateUsingRegex("07 June 2017 03:06"));
compareDates(DATE_HH_MM_SS, extractor.extractDateUsingRegex("07 June 2017 03:06:12"));

compareDates(DATE, extractor.extractDateUsingRegex("Jun 07, 2017 00:00:00"));
compareDates(DATE_HH_MM, extractor.extractDateUsingRegex("Jun 07, 2017 03:06"));
compareDates(DATE_HH_MM_SS, extractor.extractDateUsingRegex("Jun 07, 2017 03:06:12"));

compareDates(DATE, extractor.extractDateUsingRegex("June 07, 2017 00:00:00"));
compareDates(DATE_HH_MM, extractor.extractDateUsingRegex("June 07, 2017 03:06"));
compareDates(DATE_HH_MM_SS, extractor.extractDateUsingRegex("June 07, 2017 03:06:12"));

// This is ambiguous may match MM-dd-yyyy
compareDates(DATE, extractor.extractDateUsingRegex("07-06-2017 00:00:00"));
compareDates(DATE_HH_MM, extractor.extractDateUsingRegex("07/06/2017 03:06"));
compareDates(DATE_HH_MM_SS, extractor.extractDateUsingRegex("07/06/2017 03:06:12"));
}

@Test
public void testTheVogue() throws Exception {
// http://www.teenvogue.com/gallery/back-to-school-awards-2017-best-dorm-decor-ideas
Expand All @@ -3129,10 +3202,10 @@ public void testTheVogue() throws Exception {
compareDates("2017-06-01 08:00:00", res.getDate());
}


public static void compareDates(String expectedDateString, Date actual) {
String[] patterns = {
"yyyy-MM-dd",
"yyyy-MM-dd HH:mm",
"yyyy-MM-dd HH:mm:ss",
"yyyy-MM-dd HH:mm:ssz",
"yyyy-MM-dd HH:mm:ss Z",
Expand Down
2 changes: 2 additions & 0 deletions src/test/java/de/jetwick/snacktory/HtmlFetcherIntegrationTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
*/
package de.jetwick.snacktory;

import org.junit.Ignore;
import org.junit.Test;
import static org.junit.Assert.*;
import org.apache.commons.lang.time.*;
Expand Down Expand Up @@ -129,6 +130,7 @@ public void testXml() throws Exception {
}

@Test
@Ignore ("Test fails sporadically")
public void testYahooMobile() throws Exception {
JResult res = new HtmlFetcher().fetchAndExtract("https://m.yahoo.com/w/legobpengine/finance/news/stevia-first-corp-stvf-looks-123500390.html?.intl=us&.lang=en-us", 10000, true);
assertTrue(res.getTitle(), res.getTitle().startsWith("Stevia First Corp. (STVF) Looks to Disrupt Flavor Industry"));
Expand Down
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