def insert_records(page_size):
"""
Write the records into the database.
"""
HLOM_Record.insert_records(page_size)
def test_require_title_and_author(models, mock_hlom):
"""
Records that don't have both a title and an author should be ignored.
"""
# No author, no title:
m1 = mock_hlom.add_marc(title='', author='')
# Title, no author:
m2 = mock_hlom.add_marc(title='War and Peace', author='')
# Author, no title:
m3 = mock_hlom.add_marc(title='', author='Leo Tolstoy')
# Title and author:
m4 = mock_hlom.add_marc(title='War and Peace', author='Leo Tolstoy')
HLOM_Record.insert_records()
# Should just insert 1 record.
assert HLOM_Record.select().count() == 1
# Should insert the record with title/author.
assert HLOM_Record.get(
HLOM_Record.control_number==m4.control_number()
)
def hlom_index(requires_es):
"""
Clear the HLOM index.
"""
HLOM_Record.es_reset()
def queue_queries():
"""
Queue citation extraction queries.
"""
for record in ServerSide(HLOM_Record.select()):
config.rq.enqueue(query, record.id)
def _hlom(*args, **kwargs):
# Write a MARC record.
marc = mock_hlom.add_marc(*args, **kwargs)
# Create a `hlom_record` row.
return HLOM_Record.create(
control_number=marc.control_number(),
record=marc.as_marc()
)
def test_insert_records(models, mock_hlom):
"""
HLOM_Record.insert_records() should create a row for each MARC record.
"""
records = []
# 10 segments:
for i in range(10):
# 10 records in each:
for j in range(10):
marc = mock_hlom.add_marc(
data_file=str(i),
title='title',
author='author'
)
records.append(marc)
# Insert record rows.
HLOM_Record.insert_records()
# Should insert 100 records.
assert HLOM_Record.select().count() == 100
for marc in records:
# Pop out the `hlom_record` row.
row = HLOM_Record.get(
HLOM_Record.control_number==marc.control_number()
)
# Should store the record body.
assert row.marc.as_marc() == marc.as_marc()
def copy_records(cls, min_rank=1000):
"""
Copy in cited records.
Args:
min_rank (int): The cutoff for "frequent" words.
"""
cited = (
HLOM_Record.select()
.join(HLOM_Citation)
.group_by(HLOM_Record.id)
# Coalesce duplicates.
.distinct([HLOM_Record.metadata['deduping_hash']])
.order_by(
HLOM_Record.metadata['deduping_hash'],
HLOM_Record.id
)
)
counts = Counts()
for r in cited:
t = termify(r.marc.title())
a = termify(r.marc.author())
# Title and author empty.
if not t or not a:
continue
# Title and author repeat words.
if set.intersection(t, a):
continue
# No focused words in title.
if counts.max_rank(t) < min_rank:
continue
# No focused words in author.
if counts.max_rank(a) < min_rank:
continue
cls.create(**r._data)
def deduplicate(self):
"""
Remove duplicate nodes.
"""
seen = set()
for cn in bar(self.graph.nodes()):
# Pop out the HLOM record.
text = HLOM_Record.get(HLOM_Record.control_number==cn)
# If the node is a duplicate, remove it.
if text.hash in seen: self.graph.remove_node(cn)
else: seen.add(text.hash)
def hydrate_nodes(self):
"""
Hydrate node metadata.
"""
for cn in bar(self.graph.nodes()):
# Pop out the HLOM record.
text = HLOM_Record.get(HLOM_Record.control_number==cn)
# Prettify the title / author.
title = prettify_field(text.marc.title())
author = prettify_field(text.marc.author())
publisher = prettify_field(text.marc.publisher())
pubyear = prettify_field(text.marc.pubyear())
self.graph.node[cn]['title'] = title or ''
self.graph.node[cn]['author'] = author or ''
self.graph.node[cn]['publisher'] = publisher or ''
self.graph.node[cn]['pubyear'] = pubyear or ''
def query(id):
"""
Query a MARC record against the OSP corpus.
:param id: The hlom_record row id.
"""
row = HLOM_Record.get(HLOM_Record.id==id)
# Execute the query.
results = config.es.search('osp', 'document', timeout=30, body={
'fields': ['doc_id'],
'size': 100000,
'filter': {
'query': {
'match_phrase': {
'body': {
'query': row.query,
'slop': 50
}
}
}
}
})
if results['hits']['total'] > 0:
citations = []
for hit in results['hits']['hits']:
citations.append({
'document': hit['fields']['doc_id'][0],
'record': row.id
})
# Write the citation links.
HLOM_Citation.insert_many(citations).execute()
