1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 | import sys import os sys.path.insert(0, os.path.join(os.path.dirname(__file__) or '.', '../')) import scrape from bs4 import BeautifulSoup from time import mktime import feedparser import abc import unicodedata import re import dateutil from dateutil.parser import * from datetime import * import codecs import difflib 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 GenericHTMLDisclogScraper(GenericDisclogScraper): def doScrape(self): foidocsdb = scrape.couch['disclosr-foidocuments'] (url, mime_type, rcontent) = scrape.fetchURL(scrape.docsdb, self.getURL(), "foidocuments", self.getAgencyID()) content = rcontent dochash = scrape.mkhash(content) doc = foidocsdb.get(dochash) if doc is None: print "saving " + dochash description = "This log may have updated but as it was not in a table last time we viewed it, we cannot extract what has changed. Please refer to the agency's website Disclosure Log to see the most recent entries" last_attach = scrape.getLastAttachment(scrape.docsdb, self.getURL()) if last_attach != None: html_diff = difflib.HtmlDiff() description = description + "\nChanges: " description = description + html_diff.make_table(last_attach.read().split('\n'), content.split('\n')) 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": self.remove_control_chars(description)} foidocsdb.save(doc) else: print "already saved" 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) 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": self.remove_control_chars(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").replace("1012","2012")) 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: 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 |