def index_document(document_id):
clear_session()
document = Document.by_id(document_id)
if document is None:
log.info("Could not find document: %r", document_id)
return
log.info("Index document: %r", document)
data = document.to_dict()
data['entities'] = generate_entities(document)
data['title_latin'] = latinize_text(data.get('title'))
data['summary_latin'] = latinize_text(data.get('summary'))
es.index(index=es_index, doc_type=TYPE_DOCUMENT, body=data,
id=document.id)
clear_children(document)
try:
if document.type == Document.TYPE_TEXT:
bulk(es, generate_pages(document), stats_only=True,
chunk_size=2000, request_timeout=60.0)
if document.type == Document.TYPE_TABULAR:
bulk(es, generate_records(document), stats_only=True,
chunk_size=2000, request_timeout=60.0)
except Exception as ex:
log.exception(ex)
def index_document(document_id):
document = Document.by_id(document_id)
if document is None:
log.info("Could not find document: %r", document_id)
return
try:
log.info("Index document: %r", document)
data = document.to_index_dict()
data['entities'] = generate_entities(document)
data['title_latin'] = latinize_text(data.get('title'))
data['summary_latin'] = latinize_text(data.get('summary'))
get_es().index(index=get_es_index(), doc_type=TYPE_DOCUMENT, body=data,
id=document.id)
clear_children(document)
if document.type == Document.TYPE_TEXT:
bulk(get_es(), generate_pages(document), stats_only=True,
chunk_size=2000, request_timeout=60.0)
if document.type == Document.TYPE_TABULAR:
bulk(get_es(), generate_records(document), stats_only=True,
chunk_size=2000, request_timeout=60.0)
except Exception as ex:
log.exception(ex)
process.exception(process.INDEX, component=__name__,
document_id=document.id, meta=document.meta,
source_id=document.source_id, exception=ex)
def records_query(document_id, args, size=5):
terms = []
text = args.get('q', '').strip()
if len(text):
terms.append(text)
entities = Entity.by_id_set(args.getlist('entity'))
for entity in entities.values():
terms.extend(entity.terms)
if not len(terms):
return None
shoulds = []
for term in terms:
shoulds.append({
'match': {
'text': {
'query': term,
'boost': 10,
'operator': 'and'
}
}
})
shoulds.append({
'match': {
'text_latin': {
'query': latinize_text(term),
'operator': 'and'
}
}
})
q = {
'bool': {
'minimum_should_match': 1,
'should': shoulds
}
}
if document_id is not None:
q['bool']['must'] = {
'term': {'document_id': document_id}
}
try:
snippet = int(args.get('snippet', 150))
except:
snippet = 150
return {
'size': size,
'query': q,
'highlight': {
'fields': {
'text': {'fragment_size': snippet},
'text_latin': {'fragment_size': snippet}
}
},
'_source': ['document_id', 'sheet', 'row_id', 'page']
}
def index_document(document_id):
document = Document.by_id(document_id)
if document is None:
log.info("Could not find document: %r", document_id)
return
log.info("Index document: %r", document)
data = document.to_index_dict()
data['entities'] = generate_entities(document)
data['title_latin'] = latinize_text(data.get('title'))
data['summary_latin'] = latinize_text(data.get('summary'))
get_es().index(index=get_es_index(), doc_type=TYPE_DOCUMENT, body=data,
id=document.id)
clear_records(document)
bulk(get_es(), generate_records(document), stats_only=True,
chunk_size=2000, request_timeout=60.0)
def generate_records(document):
for table in document.tables:
for row in table:
row_id = row.pop('_id')
tid = sha1(str(document.id))
tid.update(str(table.schema.sheet))
tid.update(str(row_id))
tid = tid.hexdigest()
text = [t for t in row.values() if t is not None]
text = list(set(text))
yield {
'_id': tid,
'_type': TYPE_RECORD,
'_index': es_index,
'_parent': document.id,
'_source': {
'id': tid,
'type': 'row',
'content_hash': document.content_hash,
'document_id': document.id,
'source_id': document.source_id,
'row_id': row_id,
'sheet': table.schema.sheet,
'text': text,
'text_latin': latinize_text(text),
'raw': row
}
}
def generate_records(document):
if document.type == Document.TYPE_TEXT:
for page in document.pages:
tid = sha1(str(document.id))
tid.update(str(page.id))
tid = tid.hexdigest()
yield {
'_id': tid,
'_type': TYPE_RECORD,
'_index': get_es_index(),
'_parent': document.id,
'_source': {
'type': 'page',
'content_hash': document.content_hash,
'document_id': document.id,
'source_id': document.source_id,
'page': page.number,
'text': page.text,
'text_latin': latinize_text(page.text)
}
}
elif document.type == Document.TYPE_TABULAR:
for record in document.records:
text = record.text
latin = [latinize_text(t) for t in text]
latin = [t for t in latin if t not in text]
yield {
'_id': record.tid,
'_type': TYPE_RECORD,
'_index': get_es_index(),
'_parent': document.id,
'_source': {
'type': 'row',
'content_hash': document.content_hash,
'document_id': document.id,
'source_id': document.source_id,
'row_id': record.row_id,
'sheet': record.sheet,
'text': text,
'text_latin': latin,
'raw': record.data
}
}
def generate_records(document):
if document.type == Document.TYPE_TEXT:
for page in document.pages:
tid = sha1(str(document.id))
tid.update(str(page.id))
tid = tid.hexdigest()
yield {
'_id': tid,
'_type': TYPE_RECORD,
'_index': get_es_index(),
'_parent': document.id,
'_source': {
'type': 'page',
'content_hash': document.content_hash,
'document_id': document.id,
'source_id': document.source_id,
'page': page.number,
'text': page.text,
'text_latin': latinize_text(page.text)
}
}
elif document.type == Document.TYPE_TABULAR:
for record in document.records:
text = record.text
latin = [latinize_text(t) for t in text]
latin = [t for t in latin if t not in text]
yield {
'_id': record.tid,
'_type': TYPE_RECORD,
'_index': get_es_index(),
'_parent': document.id,
'_source': {
'type': 'row',
'content_hash': document.content_hash,
'document_id': document.id,
'source_id': document.source_id,
'row_id': record.row_id,
'sheet': record.sheet,
'text': text,
'text_latin': latin,
'raw': record.data
}
}
def index_document(document_id):
document = Document.by_id(document_id)
if document is None:
log.info("Could not find document: %r", document_id)
return
log.info("Index document: %r", document)
data = document.to_index_dict()
data['entities'] = generate_entities(document)
data['title_latin'] = latinize_text(data.get('title'))
data['summary_latin'] = latinize_text(data.get('summary'))
get_es().index(index=get_es_index(),
doc_type=TYPE_DOCUMENT,
body=data,
id=document.id)
clear_records(document)
bulk(get_es(),
generate_records(document),
stats_only=True,
chunk_size=2000,
request_timeout=60.0)
def text_query_string(text, literal=False):
if text is None or not len(text.strip()):
return match_all()
if literal:
text = '"%s"' % latinize_text(text)
return {
'query_string': {
'query': text,
'fields': ['text^6', 'text_latin^2'],
'default_operator': 'AND',
'use_dis_max': True
}
}
def text_query_string(text, literal=False):
if text is None or not len(text.strip()):
return match_all()
if literal:
text = '"%s"' % latinize_text(text)
return {
'query_string': {
'query': text,
'fields': ['text^6', 'text_latin^2'],
'default_operator': 'AND',
'use_dis_max': True
}
}
def meta_query_string(text, literal=False):
if text is None or not len(text.strip()):
return match_all()
if literal:
text = '"%s"' % latinize_text(text)
return {
"query_string": {
"query": text,
"fields": ['title^15', 'file_name',
'summary^10', 'title_latin^12',
'summary_latin^8'],
"default_operator": "AND",
"use_dis_max": True
}
}
def normalize(text):
if not isinstance(text, six.string_types):
return
if six.PY2 and not isinstance(text, six.text_type):
text = text.decode('utf-8')
text = latinize_text(text.lower())
text = unicodedata.normalize('NFKD', text)
characters = []
for character in text:
category = unicodedata.category(character)[0]
character = CATEGORIES.get(category, character)
characters.append(character)
text = u''.join(characters)
return COLLAPSE.sub(WS, text).strip(WS)
def meta_query_string(text, literal=False):
if text is None or not len(text.strip()):
return match_all()
if literal:
text = '"%s"' % latinize_text(text)
return {
"query_string": {
"query":
text,
"fields": [
'title^15', 'file_name', 'summary^10', 'title_latin^12',
'summary_latin^8'
],
"default_operator":
"AND",
"use_dis_max":
True
}
}
def generate_pages(document):
for page in document.pages:
tid = sha1(str(document.id))
tid.update(str(page.id))
tid = tid.hexdigest()
yield {
'_id': tid,
'_type': TYPE_RECORD,
'_index': get_es_index(),
'_parent': document.id,
'_source': {
'type': 'page',
'content_hash': document.content_hash,
'document_id': document.id,
'source_id': document.source_id,
'page': page.number,
'text': page.text,
'text_latin': latinize_text(page.text)
}
}
def generate_records(document):
for record in document.records:
text = record.text
latin = [latinize_text(t) for t in text]
latin = [t for t in latin if t not in text]
yield {
'_id': record.tid,
'_type': TYPE_RECORD,
'_index': get_es_index(),
'_parent': unicode(document.id),
'_source': {
'type': 'row',
'content_hash': document.content_hash,
'document_id': document.id,
'source_id': document.source_id,
'row_id': record.row_id,
'sheet': record.sheet,
'text': text,
'text_latin': latin,
'raw': record.data
}
}
def tabular_query(document_id, sheet, args):
scored = False
q = {
'match_all': {}
}
text = args.get('q', '').strip()
if len(text):
scored = True
text_latin = latinize_text(text)
q = {
"bool": {
"should": {
"match": {
"text": {
"query": text,
"cutoff_frequency": 0.0007,
"operator": "and"
}
}
},
"should": {
"match": {
"text_latin": {
"query": text_latin,
"cutoff_frequency": 0.0007,
"operator": "and"
}
}
}
}
}
try:
rows = [int(r) for r in args.getlist('row')]
except Exception:
rows = []
if len(rows):
scored = True
q = {
"bool": {
"must": q,
"should": {
"constant_score": {
"filter": {'terms': {'row_id': rows}},
"boost": 1000
}
}
}
}
q = add_filter(q, {'term': {'document_id': document_id}})
q = add_filter(q, {'term': {'sheet': sheet}})
# from pprint import pprint
# pprint(q)
sort = [{'row_id': 'asc'}]
if scored:
sort.insert(0, '_score')
return {
'from': 0,
'size': 100,
'query': q,
'sort': sort,
'_source': ['document_id', 'sheet', 'row_id', 'raw']
}
def text_query(text):
""" Construct the part of a query which is responsible for finding a
piece of thext in the selected documents. """
text = text.strip()
text_latin = latinize_text(text)
if len(text):
q = {
"bool": {
"minimum_should_match": 1,
"should": [
{
"multi_match": {
"query": text,
"fields": ['title^100', 'file_name^10', 'summary^2'],
"type": "most_fields",
"cutoff_frequency": 0.0007,
"operator": "and",
}
},
{
"multi_match": {
"query": text_latin,
"fields": ['title_latin^100', 'summary_latin^2'],
"type": "most_fields",
"cutoff_frequency": 0.0007,
"operator": "and",
}
},
{
"multi_match": {
"query": text,
"fields": ['title^100', 'file_name^10', 'summary^2'],
"type": "phrase"
}
},
{
"has_child": {
"type": TYPE_RECORD,
"score_mode": "avg",
"query": {
"bool": {
"should": {
"match": {
"text": {
"query": text,
"cutoff_frequency": 0.0007,
"operator": "and"
}
}
},
"should": {
"match": {
"text_latin": {
"query": text_latin,
"cutoff_frequency": 0.0007,
"operator": "and"
}
}
}
}
}
}
}
]
}
}
else:
q = {'match_all': {}}
return q
