def try_merge(edition, ekey, thing): thing_type = thing['type']['key'] if 'isbn_10' not in edition: print(edition) asin = edition.get('isbn_10', None) or edition['asin'] if 'authors' in edition: authors = [i['name'] for i in edition['authors']] else: authors = [] a = amazon_merge.build_amazon(edition, authors) assert isinstance(asin, six.string_types) assert thing_type == '/type/edition' #print edition['asin'], ekey if 'source_records' in thing: if 'amazon:' + asin in thing['source_records']: return True return source_records_match(a, thing) #print 'no source records' mc = get_mc(ekey) #print 'mc:', mc if mc == 'amazon:' + asin: return True if not mc: return False data = get_from_local(mc) e1 = build_marc(fast_parse.read_edition(data)) return amazon_merge.attempt_merge(a, e1, threshold, debug=False)
def try_merge(edition, ekey, thing): thing_type = thing['type']['key'] if 'isbn_10' not in edition: print edition asin = edition.get('isbn_10', None) or edition['asin'] if 'authors' in edition: authors = [i['name'] for i in edition['authors']] else: authors = [] a = amazon_merge.build_amazon(edition, authors) assert isinstance(asin, basestring) assert thing_type == '/type/edition' #print edition['asin'], ekey if 'source_records' in thing: if 'amazon:' + asin in thing['source_records']: return True return source_records_match(a, thing) #print 'no source records' mc = get_mc(ekey) #print 'mc:', mc if mc == 'amazon:' + asin: return True if not mc: return False data = get_from_local(mc) e1 = build_marc(fast_parse.read_edition(data)) return amazon_merge.attempt_merge(a, e1, threshold, debug=False)
def load_part(archive_id, part, start_pos=0): print 'load_part:', archive_id, part global rec_no, t_prev, load_count full_part = archive_id + "/" + part f = open(rc['marc_path'] + "/" + full_part) if start_pos: f.seek(start_pos) for pos, loc, data in read_marc_file(full_part, f, pos=start_pos): rec_no += 1 if rec_no % chunk == 0: progress(archive_id, rec_no, start_pos, pos) if is_loaded(loc): continue want = ['001', '003', '010', '020', '035', '245'] try: index_fields = fast_parse.index_fields(data, want) except KeyError: print loc print fast_parse.get_tag_lines(data, ['245']) raise except AssertionError: print loc raise if not index_fields or 'title' not in index_fields: continue edition_pool = pool.build(index_fields) if not edition_pool: yield loc, data continue rec = fast_parse.read_edition(data) e1 = build_marc(rec) match = False seen = set() for k, v in edition_pool.iteritems(): for edition_key in v: if edition_key in seen: continue thing = None while not thing or thing['type']['key'] == '/type/redirect': seen.add(edition_key) thing = withKey(edition_key) assert thing if thing['type']['key'] == '/type/redirect': print 'following redirect %s => %s' % (edition_key, thing['location']) edition_key = thing['location'] if try_merge(e1, edition_key, thing): add_source_records(edition_key, loc, thing, data) match = True break if match: break if not match: yield loc, data
def marc_match(e1, loc): rec = fast_parse.read_edition(get_from_local(loc)) try: e2 = build_marc(rec) except TypeError: print rec raise return attempt_merge(e1, e2, threshold, debug=False)
def get_record(key, mc): data = get_from_archive(mc) try: rec = fast_parse.read_edition(data) except (fast_parse.SoundRecording, IndexError, AssertionError): print mc print edition_key return False try: return marc.build_marc(rec) except TypeError: print rec raise
def get_record(key, mc): data = get_from_archive(mc) try: rec = fast_parse.read_edition(data) except (fast_parse.SoundRecording, IndexError, AssertionError): print(mc) print(key) return False try: return marc.build_marc(rec) except TypeError: print(rec) raise
def get_marc(loc): try: filename, p, l = loc.split(':') except ValueError: return None if not os.path.exists(marc_path + filename): return None f = open(marc_path + filename) f.seek(int(p)) buf = f.read(int(l)) f.close() rec = fast_parse.read_edition(buf) if rec: return build_marc(rec)
def load_part(archive_id, part, start_pos=0): print('load_part:', archive_id, part) global rec_no, t_prev, load_count full_part = archive_id + "/" + part f = open(rc['marc_path'] + "/" + full_part) if start_pos: f.seek(start_pos) for pos, loc, data in read_marc_file(full_part, f, pos=start_pos): rec_no += 1 if rec_no % chunk == 0: progress(archive_id, rec_no, start_pos, pos) if is_loaded(loc): continue want = ['001', '003', '010', '020', '035', '245'] try: index_fields = fast_parse.index_fields(data, want) except KeyError: print(loc) print(fast_parse.get_tag_lines(data, ['245'])) raise except AssertionError: print(loc) raise if not index_fields or 'title' not in index_fields: continue edition_pool = pool.build(index_fields) if not edition_pool: continue rec = fast_parse.read_edition(data) e1 = build_marc(rec) match = False seen = set() for k, v in edition_pool.iteritems(): for edition_key in v: if edition_key in seen: continue seen.add(edition_key) thing = withKey(edition_key) assert thing if try_merge(e1, edition_key, thing): add_source_records(edition_key, loc, thing) match = True if not match: yield loc, data
def get_ia(ia): # read MARC record of scanned book from archive.org # try the XML first because it has better character encoding # if there is a problem with the XML switch to the binary MARC xml_file = ia + "_marc.xml" loc = ia + "/" + xml_file for attempt in range(3): if os.path.exists(xml_path + xml_file): f = open(xml_path + xml_file) else: f = urlopen_keep_trying(base + loc) if f: try: return loc, read_xml.read_edition(f) except read_xml.BadXML: pass except xml.parsers.expat.ExpatError: print 'XML parse error:', base + loc pass sleep(2) url = base + ia + "/" + ia + "_meta.mrc" try: f = urlopen_keep_trying(url) except urllib2.URLError: pass if not f: return None, None data = f.read() length = data[0:5] loc = ia + "/" + ia + "_meta.mrc:0:" + length if len(data) == 0: print 'zero length MARC for', url return None, None if 'Internet Archive: Error' in data: print 'internet archive error for', url return None, None try: return ia, fast_parse.read_edition(data, accept_electronic = True) except (ValueError, AssertionError): print `data` raise
def marc_match(a, loc): assert loc rec = fast_parse.read_edition(get_from_local(loc)) e1 = build_marc(rec) #print 'amazon:', a return amazon_merge.attempt_merge(a, e1, threshold, debug=False)
if not a: return False try: return amazon.attempt_merge(a, e1, threshold, debug=False) except: print a print e1 print thing['key'] raise print 'mc:', mc try: assert not mc.startswith('ia:') data = get_from_local(mc) if not data: return True rec2 = fast_parse.read_edition(data) except (fast_parse.SoundRecording, IndexError, AssertionError): print mc print edition_key return False except: print mc print edition_key raise if not rec2: return False try: e2 = build_marc(rec2) except TypeError: print rec2 raise