--- a/documents/genericScrapers.py +++ b/documents/genericScrapers.py @@ -1,101 +1,254 @@ -import sys,os +import sys +import os 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 - -class GenericRSSDisclogScraper(object): - __metaclass__ = abc.ABCMeta - @abc.abstractmethod - def getAgencyID(self): - """ disclosr agency id """ - return - - @abc.abstractmethod - def getURL(self): - """ disclog URL""" - return - def doScrape(self): - foidocsdb = scrape.couch['disclosr-foidocuments'] - (url,mime_type,content) = scrape.fetchURL(scrape.docsdb, self.getURL(), "foidocuments", self.getAgencyID()) - feed = feedparser.parse(content) - for entry in feed.entries: - #print entry - print entry.id - hash = scrape.mkhash(entry.link) - doc = foidocsdb.get(hash) - if doc == None: - print "saving" - 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, "description": entry.summary,"title": entry.title} - foidocsdb.save(doc) +import unicodedata +import re +import dateutil +from dateutil.parser import * +from datetime import * +import codecs + +from StringIO import StringIO + +from pdfminer.pdfparser import PDFDocument, PDFParser +from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter, process_pdf +from pdfminer.pdfdevice import PDFDevice, TagExtractor +from pdfminer.converter import TextConverter +from pdfminer.cmapdb import CMapDB +from pdfminer.layout import LAParams + + +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 is None: + self.agencyID = os.path.basename(sys.argv[0]).replace(".py", "") + return self.agencyID + + def getURL(self): + """ disclog URL""" + if self.disclogURL is None: + agency = scrape.agencydb.get(self.getAgencyID()) + self.disclogURL = agency['FOIDocumentsURL'] + return self.disclogURL + + @abc.abstractmethod + def doScrape(self): + """ do the scraping """ + return + + +class GenericPDFDisclogScraper(GenericDisclogScraper): + + def doScrape(self): + foidocsdb = scrape.couch['disclosr-foidocuments'] + (url, mime_type, content) = scrape.fetchURL(scrape.docsdb, + self.getURL(), "foidocuments", self.getAgencyID()) + laparams = LAParams() + rsrcmgr = PDFResourceManager(caching=True) + outfp = StringIO() + device = TextConverter(rsrcmgr, outfp, codec='utf-8', + laparams=laparams) + fp = StringIO() + fp.write(content.read()) + + process_pdf(rsrcmgr, device, fp, set(), caching=True, + check_extractable=True) + description = outfp.getvalue() + fp.close() + device.close() + outfp.close() + dochash = scrape.mkhash(description) + doc = foidocsdb.get(dochash) + if doc is None: + print "saving " + dochash + edate = date.today().strftime("%Y-%m-%d") + doc = {'_id': dochash, 'agencyID': self.getAgencyID() + , 'url': self.getURL(), 'docID': dochash, + "date": edate, "title": "Disclosure Log Updated", "description": description} + foidocsdb.save(doc) + else: + print "already saved" + + +class GenericDOCXDisclogScraper(GenericDisclogScraper): + + def doScrape(self): + foidocsdb = scrape.couch['disclosr-foidocuments'] + (url, mime_type, content) = scrape.fetchURL(scrape.docsdb + , self.getURL(), "foidocuments", self.getAgencyID()) + mydoc = zipfile.ZipFile(file) + xmlcontent = mydoc.read('word/document.xml') + document = etree.fromstring(xmlcontent) + ## Fetch all the text out of the document we just created + paratextlist = getdocumenttext(document) + # Make explicit unicode version + newparatextlist = [] + for paratext in paratextlist: + newparatextlist.append(paratext.encode("utf-8")) + ## Print our documnts test with two newlines under each paragraph + description = '\n\n'.join(newparatextlist).strip(' \t\n\r') + dochash = scrape.mkhash(description) + doc = foidocsdb.get(dochash) + + if doc is None: + print "saving " + dochash + edate = time().strftime("%Y-%m-%d") + doc = {'_id': dochash, 'agencyID': self.getAgencyID() + , 'url': self.getURL(), 'docID': dochash, + "date": edate, "title": "Disclosure Log Updated", "description": description} + foidocsdb.save(doc) + else: + print "already saved" + + +class GenericRSSDisclogScraper(GenericDisclogScraper): + + def doScrape(self): + foidocsdb = scrape.couch['disclosr-foidocuments'] + (url, mime_type, content) = scrape.fetchURL(scrape.docsdb, + self.getURL(), "foidocuments", self.getAgencyID()) + feed = feedparser.parse(content) + for entry in feed.entries: + #print entry + print entry.id + dochash = scrape.mkhash(entry.id) + doc = foidocsdb.get(dochash) + #print doc + if doc is None: + print "saving " + dochash + edate = datetime.fromtimestamp( + mktime(entry.published_parsed)).strftime("%Y-%m-%d") + doc = {'_id': dochash, 'agencyID': self.getAgencyID(), + 'url': entry.link, 'docID': entry.id, + "date": edate, "title": entry.title} + 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 + + @abc.abstractmethod + 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}) + + def getTitle(self, content, entry, doc): + doc.update({'title': (''.join(content.stripped_strings))}) + + 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): + foidocsdb = scrape.couch['disclosr-foidocuments'] + (url, mime_type, content) = scrape.fetchURL(scrape.docsdb, + self.getURL(), "foidocuments", self.getAgencyID()) + if content is not 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 + print "parsing" + soup = BeautifulSoup(content) + table = self.getTable(soup) + for row in self.getRows(table): + columns = row.find_all('td') + if len(columns) is self.getColumnCount(): + (id, date, title, + description, notes) = self.getColumns(columns) + print self.remove_control_chars( + ''.join(id.stripped_strings)) + if id.string is None: + dochash = scrape.mkhash( + self.remove_control_chars( + url + (''.join(date.stripped_strings)))) else: - print "already saved" - -class GenericOAICDisclogScraper(object): - __metaclass__ = abc.ABCMeta - @abc.abstractmethod - def getAgencyID(self): - """ disclosr agency id """ - return - - @abc.abstractmethod - def getURL(self): - """ disclog URL""" - return - - @abc.abstractmethod - def getColumns(self,columns): - """ rearranges columns if required """ - 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'): - 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'])) - 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) - else: - print "already saved" - - elif len(row.find_all('th')) == 5: - print "header row" - - else: - print "ERROR number of columns incorrect" - print row - + dochash = scrape.mkhash( + self.remove_control_chars( + url + (''.join(id.stripped_strings)))) + doc = foidocsdb.get(dochash) + + if doc is None: + print "saving " + dochash + doc = {'_id': dochash, + '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 is not 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 " + dochash + + elif len(row.find_all('th')) is self.getColumnCount(): + print "header row" + + else: + print "ERROR number of columns incorrect" + print row +