--- a/documents/genericScrapers.py +++ b/documents/genericScrapers.py @@ -2,16 +2,21 @@ sys.path.insert(0, os.path.join(os.path.dirname(__file__) or '.', '../')) import scrape from bs4 import BeautifulSoup -import parsedatetime as pdt from time import mktime -from datetime import datetime import feedparser import abc +import unicodedata, re +import dateutil +from dateutil.parser import * +from datetime import * +import codecs class GenericDisclogScraper(object): __metaclass__ = abc.ABCMeta agencyID = None disclogURL = None + def remove_control_chars(self, input): + return "".join([i for i in input if ord(i) in range(32, 127)]) def getAgencyID(self): """ disclosr agency id """ if self.agencyID == None: @@ -30,13 +35,14 @@ """ do the scraping """ return + @abc.abstractmethod + def getDescription(self, content, entry, doc): + """ get description""" + return + class GenericRSSDisclogScraper(GenericDisclogScraper): - def getDescription(self, entry, doc): - """ get description from rss entry""" - doc['description'] = entry.summary - return def doScrape(self): foidocsdb = scrape.couch['disclosr-foidocuments'] @@ -50,14 +56,18 @@ doc = foidocsdb.get(hash) #print doc if doc == None: - print "saving" + print "saving "+ hash edate = datetime.fromtimestamp(mktime( entry.published_parsed)).strftime("%Y-%m-%d") doc = {'_id': hash, 'agencyID': self.getAgencyID(), 'url': entry.link, 'docID': entry.id, "date": edate,"title": entry.title} - self.getDescription(entry, doc) + self.getDescription(entry,entry, doc) foidocsdb.save(doc) else: print "already saved" + def getDescription(self, content, entry, doc): + """ get description from rss entry""" + doc.update({'description': content.summary}) + return class GenericOAICDisclogScraper(GenericDisclogScraper): __metaclass__ = abc.ABCMeta @@ -65,46 +75,78 @@ def getColumns(self,columns): """ rearranges columns if required """ return + def getColumnCount(self): + return 5 + def getDescription(self, content, entry, doc): + """ get description from rss entry""" + descriptiontxt = "" + for string in content.stripped_strings: + descriptiontxt = descriptiontxt + " \n" + string + doc.update({'description': descriptiontxt}) + return + def getTitle(self, content, entry, doc): + doc.update({'title': (''.join(content.stripped_strings))}) + return + def getTable(self, soup): + return soup.table + def getRows(self, table): + return table.find_all('tr') + def getDate(self, content, entry, doc): + date = ''.join(content.stripped_strings).strip() + (a,b,c) = date.partition("(") + date = self.remove_control_chars(a.replace("Octber","October")) + print date + edate = parse(date, dayfirst=True, fuzzy=True).strftime("%Y-%m-%d") + print edate + doc.update({'date': edate}) + return + def getLinks(self, content, entry, doc): + links = [] + for atag in entry.find_all("a"): + if atag.has_key('href'): + links.append(scrape.fullurl(content,atag['href'])) + if links != []: + doc.update({'links': links}) + return def doScrape(self): - cal = pdt.Calendar() foidocsdb = scrape.couch['disclosr-foidocuments'] (url,mime_type,content) = scrape.fetchURL(scrape.docsdb, self.getURL(), "foidocuments", self.getAgencyID()) if content != None: if mime_type == "text/html" or mime_type == "application/xhtml+xml" or mime_type =="application/xml": # http://www.crummy.com/software/BeautifulSoup/documentation.html soup = BeautifulSoup(content) - for row in soup.table.find_all('tr'): + table = self.getTable(soup) + for row in self.getRows(table): columns = row.find_all('td') - if len(columns) == 5: - (id, date, description, title, notes) = self.getColumns(columns) - print id.string - hash = scrape.mkhash(url+id.string) - links = [] - for atag in row.find_all("a"): - if atag.has_key('href'): - links.append(scrape.fullurl(url,atag['href'])) + if len(columns) == self.getColumnCount(): + (id, date, title, description, notes) = self.getColumns(columns) + print self.remove_control_chars(''.join(id.stripped_strings)) + if id.string == None: + hash = scrape.mkhash(self.remove_control_chars(url+(''.join(date.stripped_strings)))) + else: + hash = scrape.mkhash(self.remove_control_chars(url+(''.join(id.stripped_strings)))) doc = foidocsdb.get(hash) - descriptiontxt = "" - for string in description.stripped_strings: - descriptiontxt = descriptiontxt + " \n" + string if doc == None: - print "saving" - dtresult = cal.parseDateText(date.string) - if len(dtresult) == 2: - (dtdate,dtr) = dtresult - print dtdate - edate = ""+str(dtdate[0])+'-'+str(dtdate[1])+'-'+str(dtdate[2]) - else: - edate = "" - doc = {'_id': hash, 'agencyID': self.getAgencyID(), 'url': self.getURL(), "links": links, 'docID': id.string, - "date": edate, "description": descriptiontxt,"title": title.string,"notes": notes.string} - foidocsdb.save(doc) + print "saving " +hash + doc = {'_id': hash, 'agencyID': self.getAgencyID(), 'url': self.getURL(), 'docID': (''.join(id.stripped_strings))} + self.getLinks(self.getURL(),row,doc) + self.getTitle(title,row, doc) + self.getDate(date,row, doc) + self.getDescription(description,row, doc) + if notes != None: + doc.update({ 'notes': (''.join(notes.stripped_strings))}) + badtitles = ['-','Summary of FOI Request','FOI request(in summary form)','Summary of FOI request received by the ASC', +'Summary of FOI request received by agency/minister','Description of Documents Requested','FOI request','Description of FOI Request','Summary of request','Description','Summary', +'Summary of FOIrequest received by agency/minister','Summary of FOI request received','Description of FOI Request',"FOI request",'Results 1 to 67 of 67'] + if doc['title'] not in badtitles and doc['description'] != '': + print "saving" + foidocsdb.save(doc) else: - print "already saved" + print "already saved "+hash - elif len(row.find_all('th')) == 5: + elif len(row.find_all('th')) == self.getColumnCount(): print "header row" else: