class TestElasticIndex(object):
def setup_class(self):
self.index = ElasticIndex('test')
def teardown_class(self):
self.index.delete_index()
def test_scroll(self):
self.index.index_into({'test': True}, 1)
self.index.index_into({'test': False}, 2)
self.index.index_into({'test': True}, 3)
self.index.index_into({'test': False}, 4)
for i in self.index.scroll():
assert isinstance(i, list)
def test_index_into(self):
result = self.index.index_into({'test': True, 'object': "This is a string"}, 5)
assert result
result = self.index.index_into({'test': True, 'object': {'sub-object': "another string"}}, 6)
assert not result
result = self.index.index_into({'test': False}, 'HAN000827182')
assert result
def test_search(self):
data = list()
data.append({'id': '1234', 'test': True})
self.index.bulk(data=data, identifier_key='id')
result = self.index.search()
assert len(result) == 7
def test_search_not_unpack(self):
result = self.index.search(unpack=False)
assert len(result) == 7
def test_alias(self):
self.index.add_to_alias('test1')
assert self.index.instance.indices.get_alias('test1')
self.index.remove_from_alias('test1')
with pytest.raises(NotFoundError):
self.index.instance.indices.get_alias('test1')
def test_count(self):
result = self.index.count()
assert result == 7
class TransformSruExport(DataTransformation):
def __init__(self, database, config, logger=logging.getLogger(__name__)):
super().__init__(logger)
self._database = database
self._config = config
self.marc = None
self.digidata_index = ElasticIndex(**config['digidata'])
self.page_conversion_rates = config['page-conversions']
def transform(self, value: str) -> dict:
# Do not reoder this function!
self.marc = MARCMapper(value)
self.marc.add_value('database', self._database)
self.marc.identifier()
for field in self.marc.get_fields('024'):
if field.indicator1 == '7':
if 'a' in field and '2' in field:
self.marc.add_identifier(field['2'], field['a'])
self.marc.add_identifier('swissbib', self.marc['001'].value())
if self._database == 'dsv01':
for _035 in self.marc.get_fields('035'):
if _035['a'] is not None:
if _035['a'].startswith('(IDSBB)'):
self.marc.add_identifier('dsv01',
_035['a'].split(')')[1])
elif self._database == 'dsv05':
self.marc.add_identifier('dsv05', self.marc['001'].value()[3:])
# Do not re-order these!
self.enrich()
self.parse_record_type()
self.parse_date()
self.parse_format_codes()
self.parse_number_of_pages()
self.parse_call_number()
self.parse_additional_information()
return self.marc.result
def enrich(self):
"""Enriching the metadata from other data sources."""
self.enrich_digidata()
def enrich_digidata(self):
"""Loads data from the digidata elastic index.
No live updates, as the digidata repository is on Afrikaportal-elastic,
which is only on localhost accessible. To update run the digispace-producer & digispace-consumer.
TODO: Load live data instead of copy. To do this direct access to Afrikaportal is necessary.
"""
query = {
"query": {
"term": {
"system_number":
self.marc.result['identifiers'][self._database]
}
}
}
result = self.digidata_index.search(query=query)
if len(result) > 0:
self.marc.add_value('is_digitized', True)
if 'number_of_images' in result[0]:
self.marc.add_value('number_of_images',
result[0]['number_of_images'])
else:
self.marc.add_value('is_digitized', False)
def parse_date(self):
"""Parsing the date from the various possible fields. Stores where the information was taken from."""
_008_date = self.marc.parse_date_from_008()
_046_date = self.marc.parse_date_from_046()
if _008_date:
year = self.marc.result['dates']['date']['year']
self.marc.add_value_sub('final', 'year', int(year))
self.marc.append_value_sub('final', 'century', int(year / 100) + 1)
self.marc.append_value_sub('final', 'decade', year - year % 10)
self.marc.add_value_sub('source', 'year', '008')
elif _046_date:
year = self.marc.result['dates']['exact']['year']
self.marc.add_value_sub('final', 'year', int(year))
self.marc.append_value_sub('final', 'century', int(year / 100) + 1)
self.marc.append_value_sub('final', 'decade', year - year % 10)
self.marc.add_value_sub('source', 'year', '046')
elif self.marc.parse_date_from_264():
year = self.marc.result['dates']['parsed_264_year']
self.marc.add_value_sub('final', 'year', int(year))
self.marc.append_value_sub('final', 'century', int(year / 100) + 1)
self.marc.append_value_sub('final', 'decade', year - year % 10)
self.marc.add_value_sub('source', 'year', '264')
else:
self.marc.add_value_sub('source', 'year', 'None')
self.marc.add_error_tag('_no_valid_date')
def parse_number_of_pages(self):
"""Figure out the number of pages!
First source: digidata number of images.
Second source: coverage
Third source: estimates.
"""
self.marc.parse_field_to_subfield('300', 'a', 'extent', 'coverage')
pages = 0
name = Units.No
# This will be filtered anyway.
if self.marc.result['c-format'] in [
'Objekt', 'Diverse Tonformate', 'Schallplatte',
'Diverse Filmformate', 'Datenbank'
]:
pages = 1
name = Units.Gegenstand
self.marc.add_value_sub('source', 'pages', 'format')
if name == Units.No:
pages, name = self.parse_coverage_field()
if name == Units.No:
raise ValueError('Name should not be None here: {}. {}'.format(
self.marc.result['identifier'], pages))
if name != Units.Seiten:
self.marc.add_value_sub('source', 'pages', 'estimate')
self.marc.add_value_sub('source', 'estimate', name.value)
pages = pages * self.page_conversion_rates[name.value]
else:
self.marc.add_value_sub('source', 'pages', 'coverage')
self.marc.add_value_sub('extent', 'pages', pages)
if 'number_of_images' in self.marc.result:
pages = self.marc.result['number_of_images']
self.marc.add_value_sub('source', 'pages', 'digidata')
if 'estimate' in self.marc.result['source']:
del self.marc.result['source']['estimate']
self.marc.add_value_sub('final', 'pages', pages)
def parse_coverage_field(self) -> Tuple[Union[float, int], Units]:
"""Parses various values from the coverage field and returns them as tuple:
(number of unit, name of unit)
"""
if 'coverage' in self.marc.result['extent']:
coverage = self.marc.result['extent']['coverage']
else:
coverage = None
swissbib_format = self.marc.result['c-format']
if swissbib_format in ['Klavierauszug', 'Partitur', 'Noten']:
return self.parse_partituren(coverage)
elif swissbib_format in ['Atlas', 'Karte', 'Diverse Kartenformate']:
return self.parse_maps(coverage)
elif swissbib_format in ['Brief', 'Briefsammlung']:
return self.parse_letters(coverage)
elif swissbib_format in ['Diverse Bildformate', 'Fotografie']:
return self.parse_fotos(coverage)
elif swissbib_format in [
'Gesamtwerk', 'Buch', 'Verfassung / Gesetz', 'Artikel'
]:
return self.parse_books(coverage, swissbib_format)
elif swissbib_format in ['Handschrift']:
return self.parse_manuscript(coverage)
elif swissbib_format in ['Dossier']:
return self.parse_dossier(coverage)
elif swissbib_format in ['Zeitung', 'Zeitschrift / Schriftenreihe']:
# TODO: Bessere implementierung von Zeitschriften.
if coverage is None:
return 1, Units.Periodikum
num, name = parse_volumes(coverage, Units.Band)
if num > 0:
return num, name
year = None
to = None
if 'dates' in self.marc.result:
if 'date' in self.marc.result['dates']:
if 'year' in self.marc.result['dates']['date']:
year = self.marc.result['dates']['date']['year']
if 'to' in self.marc.result['dates']['date']:
to = self.marc.result['dates']['date']['to']
if year is not None and to is not None:
return year - to, Units.Band
elif year is not None:
return 1, Units.Band
else:
return 1, Units.Periodikum
else:
logging.error(
'Could not parse %s, with coverage %s and format %s.',
self.marc.result['identifier'], coverage, swissbib_format)
return 1, Units.Seiten
def parse_partituren(self,
coverage: str) -> Tuple[Union[float, int], Units]:
if coverage is None or empty.fullmatch(coverage):
return 1, Units.Partitur
num, name = parse_pages(coverage)
if num > 0:
return num, name
stimmen = re.match('Stimme', coverage)
if stimmen:
return 1, Units.Stimmen
stimmen = re.match('Stimmen', coverage)
if stimmen:
return 3, Units.Stimmen
num, name = parse_volumes(coverage, Units.Partitur)
results = re.findall('(\d+) Stimme[n]', coverage)
for result in results:
num += int(result[0]) / 2
results = re.findall('(\d+) (Abt|B|C|H$|He|K|[Pp]art|Ser|T|[Vv]ol)',
coverage)
for result in results:
num += int(result[0])
if num > 0:
return num, Units.Partitur
num, name = parse_meters(coverage)
if num > 0:
return num, name
return 1, Units.Partitur
def parse_maps(self, coverage: str) -> Tuple[Union[float, int], Units]:
if coverage is None or empty.fullmatch(coverage):
return 4, Units.Karten
num, name = parse_pages(coverage)
if name == 'Seiten':
return num, name
maps_matches = re.findall(
'(\d+) ([Kc]arte[n]?|Pl[äa]n[e]?|Vogel|Ansicht|Panorama|Manuskript)',
coverage)
maps = 0
for matches in maps_matches:
maps += int(matches[0])
if maps > 0:
return maps, Units.Karten
atlas_matches = re.findall('(\d+) (Atlas)', coverage)
atlas = 0
for match in atlas_matches:
atlas += int(match[0])
if atlas > 0:
return atlas, Units.Band
folders, name = parse_folders(coverage, Units.Kartenmappen)
if folders > 0:
return folders, name
return 4, Units.Karten
def parse_letters(self, coverage: str) -> Tuple[Union[float, int], Units]:
if coverage is None or empty.fullmatch(coverage):
return 2, Units.Briefe
pages, name = parse_pages(coverage)
results = re.findall(
'(\d+) (Karte|Briefkarte|Postkarte|Ansichtskarte|Visitenkarte)',
coverage)
for result in results:
pages += int(result[0])
result = re.match('Briefkarte|Postkarte|Zettel|Karte|Visitenkarte',
coverage)
if result:
pages += 1
if pages > 0:
return pages, Units.Seiten
letters, name = parse_letters(coverage)
if letters > 0:
return letters, name
volumes, name = parse_volumes(coverage, Units.Briefband)
if volumes > 0:
return volumes, name
folders, name = parse_folders(coverage, Units.Briefmappen)
if folders > 0:
return folders, name
return 2, Units.Briefe
def parse_fotos(self, coverage: str) -> Tuple[int, Units]:
if coverage is None or empty.fullmatch(coverage):
return 1, Units.Seiten
pages, name = parse_pages(coverage)
results = re.findall(
'(\d+) (Kupferstich|Litho|Foto|Zeichnung|Repro|Holzschnitt|Schattenriss'
'|Aquarell|Druckgrafik(en)?|Physionotrace|Bild|Stück|Radierung)',
coverage)
for result in results:
pages += int(result[0])
if pages > 0:
return pages, Units.Seiten
folders, name = parse_folders(coverage, Units.Fotomappen)
if folders > 0:
return folders, name
return 1, Units.Seiten
def parse_books(self, coverage: str,
swissbib_format: str) -> Tuple[int, Units]:
if swissbib_format == 'Artikel':
return_type = Units.Artikel
else:
return_type = Units.Band
if coverage is None or empty.fullmatch(coverage):
return 1, return_type
num, name = parse_pages(coverage)
if num > 0:
return num, name
volumes, name = parse_volumes(coverage, return_type)
if volumes > 0:
return volumes, name
return 1, return_type
def parse_manuscript(self,
coverage: str) -> Tuple[Union[float, int], Units]:
if coverage is None or empty.fullmatch(coverage):
return 1, Units.Faszikel
num, name = parse_pages(coverage)
if num > 0:
return num, name
volumes, name = parse_volumes(coverage, Units.Manuskriptband)
if volumes > 0:
return volumes, name
folders, name = parse_folders(coverage, Units.Faszikel)
results = re.findall(
'(\d+) (Stücke|Papiertüte[n]?|Faszikel|Dossier|Broschüre|Zeichenbuch|'
'Heft(e|chen)?|Schuber|Bündel|Konvolut|Schulheft|Umschläge|Büchlein|Umschlag|Predigten)',
coverage)
for result in results:
volumes += int(result[0])
if folders > 0:
return folders, Units.Faszikel
num, name = parse_boxes(coverage)
if num > 0:
return num, name
letters, name = parse_letters(coverage)
if letters > 0:
return letters, name
return 1, Units.Faszikel
def parse_dossier(self, coverage: str) -> Tuple[Union[int, float], Units]:
if coverage is None or empty.fullmatch(coverage):
return 1, Units.Archiveinheit
pages, name = parse_pages(coverage)
if pages > 0:
return pages, name
volumes, name = parse_volumes(coverage, Units.Band)
if volumes > 0:
return volumes, name
boxes, name = parse_boxes(coverage)
if boxes > 0:
return boxes, name
folders, name = parse_folders(coverage, Units.Mappen)
if folders > 0:
return folders, name
lfm, name = parse_meters(coverage)
if lfm > 0:
return lfm, name
letters, name = parse_letters(coverage)
if letters > 0:
return letters, name
archives, name = parse_archive(coverage, Units.Archiveinheit)
if archives > 0:
return archives, name
return 1, Units.Archiveinheit
def parse_record_type(self):
"""Defines a general type for the record.
This is used to distinguish between prints and hand written manuscripts.
"""
self.marc.parse_field('245', 'h', 'print_material')
if self._database == 'dsv01':
self.marc.add_value_sub('final', 'type', 'print')
elif 'print_material' in self.marc.result:
if self.marc.result['print_material'] in [
'Noten', 'Bildmaterial', 'Druckschrift', 'Kartenmaterial'
]:
self.marc.add_value_sub('final', 'type', 'print')
elif self.marc.result['print_material'] in [
'Ton', 'Mikroform', 'Gegenstand', 'Filmmaterial'
]:
self.marc.add_value_sub('final', 'type', 'other')
elif self.marc.result['print_material'] in [
'Manuskript', 'Notenmanuskript'
]:
self.marc.add_value_sub('final', 'type', 'manuscript')
else:
self.marc.add_value_sub('final', 'type', 'other')
self.marc.add_error_tag('_unknown_print_material')
logging.warning('Unknown print material: %s in %s.',
self.marc.result['print_material'],
self.marc.result['identifier'])
else:
self.marc.add_value_sub('final', 'type', 'manuscript')
def parse_call_number(self):
"""Parses the call number of this record has.
Adds the library it belongs to as well. The call number is further
indexed in parts to create facets.
Only books from A100 & A125 are used.
Books older than 1920 are very rare in A140 (UB Medizin)
The books in A130 (Altertum) are ignored, because there are not that many, and it would
be necessary to further filter the books from UBH.
# TODO: Implement a way to process all the call numbers, since one title
# can have many of them.
# currently just picks the first one.
# books can have multiple call numbers for two reasons:
# 1. The library owns more than one item.
# 2. The bibliographic record describes multiple parts of one title.
"""
for field in self.marc.get_fields('949'):
if field['F'] in ['A100', 'A125']:
self.marc.append_value('library', field['F'])
if field['j'] != '':
self.marc.append_value('call_number', field['j'])
if 'call_number' in self.marc.result:
results = self.create_call_number_filter()
if results is not None:
self.marc.add_value_sub('filter', 'prefix', results[0])
if results[1] is not None:
self.marc.add_value_sub('filter', 'base', results[1])
if results[2] is not None:
self.marc.add_value_sub('filter', 'second', results[2])
self.marc.add_value_sub('filter', 'number', results[3])
def create_call_number_filter(
self) -> Optional[Tuple[str, Optional[str], Optional[str], str]]:
call_number = ''
if len(self.marc.result['call_number']) == 1:
call_number = self.marc.result['call_number'][0]
else:
for call_n in self.marc.result['call_number']:
if call_n is not None:
if call_n.startswith('UBH'):
call_number = call_n
call_number = re.sub('\s+', ' ', call_number.strip())
database = self.marc.result['database']
if database == 'dsv05' and call_number != '':
call_number = 'HAN ' + call_number
if call_number == '':
# remove call number if it is empty.
del self.marc.result['call_number']
return None
if not re.match('(UBH|HAN)', call_number) or re.fullmatch(
'UBH', call_number):
# ignore anything which does not comply with convention.
return None
simple = re.fullmatch('(\w+) ([\w\-*.]+) (\d+)(.*)?', call_number)
if simple:
return simple.group(1), simple.group(2), None, (
simple.group(3) + simple.group(4)).strip()
word_roman = re.fullmatch(
'(\w+) (\w+) ([MCLXVI]+[ ]?[a-z]?) (\d+)(.*)?', call_number)
if word_roman:
return word_roman.group(1), \
word_roman.group(2), \
word_roman.group(3), \
(word_roman.group(4) + word_roman.group(5)).strip()
double_word_roman = re.fullmatch(
'(\w+) ([\w\-*]+) ([\w\-*]+) ([MCLXVI]+[ ]?[a-z]?) (\d+)(.*)?',
call_number)
if double_word_roman:
return double_word_roman.group(1), \
double_word_roman.group(2) + ' ' + double_word_roman.group(3), \
double_word_roman.group(4), \
double_word_roman.group(5)
three_word = re.fullmatch(
'(\w+) ([\w\-*]+) ([\w\-*]+) ([A-Za-z\-*]+)(.*)?', call_number)
if three_word:
return three_word.group(1), \
three_word.group(2) + ' ' + three_word.group(3), \
three_word.group(4), \
three_word.group(5).strip()
double_word = re.fullmatch('(\w+) ([\w\-*]+) ([\w\-*]+)(.*)?',
call_number)
if double_word:
return double_word.group(1), double_word.group(
2), double_word.group(3), double_word.group(4).strip()
rest_han = re.fullmatch('(HAN) (.*)', call_number)
if rest_han:
return rest_han.group(1), None, None, rest_han.group(2).strip()
rest_ubh = re.fullmatch('(UBH) (.*)', call_number)
if rest_ubh:
return rest_ubh.group(1), None, None, rest_ubh.group(2).strip()
def parse_format_codes(self):
"""Parse the format codes and replace them with human readable forms.
The c-format, the most condensed value is used as format.
"""
self.marc.parse_field('898', 'a', 'a-format')
if 'a-format' in self.marc.result:
self.marc.result['a-format'] = format_dict[
self.marc.result['a-format']]
self.marc.parse_field('898', 'b', 'b-format')
if 'b-format' in self.marc.result:
self.marc.result['b-format'] = format_dict[
self.marc.result['b-format']]
self.marc.parse_field('898', 'c', 'c-format')
if 'c-format' in self.marc.result:
self.marc.result['c-format'] = format_dict[
self.marc.result['c-format']]
self.marc.add_value_sub('final', 'format',
self.marc.result['c-format'])
def parse_additional_information(self):
"""Information which might be interesting in the future, but not needed for current analysis."""
self.marc.parse_leader()
self.marc.parse_cat_date()
self.marc.parse_rest_008()
self.marc.parse_field('245', 'a', 'title')
self.marc.parse_field('245', 'b', 'subtitle')
self.marc.parse_field('245', 'c', 'author')
self.marc.parse_field_to_subfield('264', 'a', 'production', 'place')
self.marc.parse_field_to_subfield('264', 'b', 'production',
'publisher')
self.marc.parse_field_to_subfield('264', 'c', 'production', 'date')
self.marc.parse_field_to_subfield('300', 'b', 'extent',
'physical_attributes')
self.marc.parse_field_to_subfield('300', 'c', 'extent',
'size_and_format')
self.marc.parse_field_to_subfield('300', 'e', 'extent',
'additional_content')
self.marc.parse_field_append_to_subfield('336', 'a', 'extent',
'content')
self.marc.parse_field_append_to_subfield('337', 'a', 'extent', 'media')
self.marc.parse_field_append_to_subfield('338', 'a', 'extent',
'carrier')
self.marc.parse_field_to_subfield('348', 'a', 'extent', 'music')
self.marc.parse_field('351', 'c', 'classification')
self.marc.parse_field('250', 'a', 'version')
self.marc.parse_field_to_subfield('340', 'a', 'extent', 'carrier')
self.marc.parse_field_list([
'600', '610', '611', '630', '648', '650', '651', '653', '655',
'690', '691'
], {
'a': 'title',
'2': 'source',
'0': 'identifier'
}, 'subject_headings')
self.marc.parse_field('856', 'u', 'link')
self.marc.parse_field_to_subfield('908', 'a', 'extent', 'format')
self.marc.parse_field('909', 'a', 'archive_tag')
if 'date' in self.marc.result['production']:
self.marc.result['final']['display_date'] = self.marc.result[
'production']['date']
def pre_filter(self, message: str) -> bool:
"""Keep only records which belong to Universitätsbibliothek Basel."""
if re.search('{"F": "(A100|A125)"},', message):
return False
else:
return True
def post_filter(self, transformed_message: dict) -> bool:
# Remove any record which is newer than 1920.
if 'year' in transformed_message['final']:
if int(transformed_message['final']['year']) > 1920:
return True
# Remove records of special formats.
if transformed_message['final']['format'] in [
'Objekt', 'Diverse Tonformate', 'Schallplatte',
'Diverse Filmformate', 'Datenbank'
]:
return True
return False
