def fetch_concordance(hit, path, q):
## Determine length of text needed
byte_distance = hit.bytes[-1] - hit.bytes[0]
length = 1000 + byte_distance + 1000
bytes, byte_start = f.format.adjust_bytes(hit.bytes, length)
conc_text = f.get_text(hit, byte_start, length, path)
conc_text = format_strip(conc_text, bytes)
conc_text = convert_entities(conc_text)
start_highlight = conc_text.find('<span class="highlight"')
m = re.search(r'<span class="highlight">[^<]*(</span>)',conc_text)
if m:
end_highlight = m.end(len(bytes) - 1)
count = 0
for char in reversed(conc_text[:start_highlight]):
count += 1
if count > 200 and char == ' ':
break
begin = start_highlight - count
end = 0
for char in conc_text[end_highlight:]:
end += 1
if end > 200 and char == ' ':
break
end += end_highlight
first_span = '<span class="begin_concordance" style="display:none;">'
second_span = '<span class="end_concordance" style="display:none;">'
conc_text = first_span + conc_text[:begin] + '</span>' + conc_text[begin:end] + second_span + conc_text[end:] + '</span>'
return conc_text
def fetch_collocation(results, path, q, db, word_filter=True, filter_num=100, full_report=True):
within_x_words = q['word_num']
## set up filtering of most frequent 200 terms ##
filter_list = set([])
if word_filter:
filter_list_path = path + '/data/frequencies/word_frequencies'
filter_words_file = open(filter_list_path)
line_count = 0
for line in filter_words_file:
line_count += 1
word = line.split()[0]
filter_list.add(word.decode('utf-8', 'ignore'))
if line_count > filter_num:
break
## start going though hits ##
left_collocates = defaultdict(int)
right_collocates = defaultdict(int)
all_collocates = defaultdict(int)
count = 0
if not full_report:
q['colloc_start'] = None
q['colloc_end'] = None
for hit in results[q['colloc_start']:q['colloc_end']]:
## get my chunk of text ##
bytes, byte_start = adjust_bytes(hit.bytes, 400)
conc_text = f.get_text(hit, byte_start, 400, path)
conc_text = format_strip(conc_text, bytes)
conc_text = convert_entities(conc_text)
conc_text = unicodedata.normalize('NFC', conc_text)
start_highlight = conc_text.find('<span class="highlight"')
m = end_highlight_match.search(conc_text)
end_highlight = m.end(len(m.groups()) - 1)
conc_left = conc_text[:start_highlight]
conc_right = conc_text[end_highlight:]
left_words = tokenize(conc_left, filter_list, within_x_words, 'left', db)
right_words = tokenize(conc_right, filter_list, within_x_words, 'right', db)
for l_word in left_words:
left_collocates[l_word] += 1
all_collocates[l_word] += 1
for r_word in right_words:
right_collocates[r_word] += 1
all_collocates[r_word] += 1
if full_report:
return dict(all_collocates), dict(left_collocates), dict(right_collocates)
else:
return sorted(all_collocates.items(), key=lambda x: x[1], reverse=True)
def fetch_colloc_concordance(results, path, q, db, filter_words=100):
within_x_words = q['word_num']
direction = q['direction']
collocate = unicodedata.normalize('NFC', q['collocate'].decode('utf-8', 'ignore'))
collocate_num = q['collocate_num']
## set up filtering of most frequent 200 terms ##
filter_list_path = path + '/data/frequencies/word_frequencies'
filter_words_file = open(filter_list_path)
line_count = 0
filter_list = set([])
for line in filter_words_file:
line_count += 1
word = line.split()[0]
filter_list.add(word.decode('utf-8', 'ignore'))
if line_count > filter_words:
break
new_hitlist = []
for hit in results:
## get my chunk of text ##
bytes, byte_start = adjust_bytes(hit.bytes, 400)
conc_text = f.get_text(hit, byte_start, 400, path)
conc_text = format_strip(conc_text, bytes)
conc_text = convert_entities(conc_text)
#conc_text = unicodedata.normalize('NFC', conc_text)
start_highlight = conc_text.find('<span class="highlight"')
m = end_highlight_match.search(conc_text)
end_highlight = m.end(len(m.groups()) - 1)
conc_left = conc_text[:start_highlight]
conc_right = conc_text[end_highlight:]
if direction =='left':
words = tokenize(conc_left, filter_list, within_x_words, direction, db)
elif direction == 'right':
words = tokenize(conc_right, filter_list, within_x_words, direction, db)
else:
words = tokenize(conc_left, filter_list, within_x_words, 'left', db)
words.extend(tokenize(conc_right, filter_list, within_x_words, 'right', db))
if collocate in set(words):
count = words.count(collocate)
hit.collocate_num = count
new_hitlist.append(hit)
if len(new_hitlist) > (q["start"] + q["results_per_page"]):
break
h = collocation_hitlist(new_hitlist, collocate_num)
return h
def fetch_kwic(results, path, q, byte_query, start, end, length=400):
kwic_results = []
shortest_biblio = 0
for hit in results[start:end]:
biblio = hit.articleAuthor + ", " + hit.head
## additional clean-up for titles
biblio = " ".join(biblio.split()) ## maybe hackish, but it works
get_query = byte_query(hit.bytes)
href = "./" + "/".join([str(i) for i in hit.philo_id[:4]]) + get_query
## Find shortest bibliography entry
biblio = biblio
if shortest_biblio == 0:
shortest_biblio = len(biblio)
if len(biblio) < shortest_biblio:
shortest_biblio = len(biblio)
## Determine length of text needed
byte_distance = hit.bytes[-1] - hit.bytes[0]
length = 200 + byte_distance + 200
## Get concordance and align it
bytes, byte_start = f.format.adjust_bytes(hit.bytes, length)
conc_text = f.get_text(hit, byte_start, length, path)
conc_text = format_strip(conc_text, bytes)
conc_text = KWIC_formatter(conc_text, len(hit.bytes))
kwic_results.append((biblio, href, conc_text, hit))
if shortest_biblio < 20:
shortest_biblio = 20
## Populate Kwic_results with bibliography
for pos, result in enumerate(kwic_results):
biblio, href, text, hit = result
if len(biblio) < 20:
diff = 20 - len(biblio)
biblio += " " * diff
short_biblio = '<span id="short_biblio" style="white-space:pre-wrap;">%s</span>' % biblio[:shortest_biblio]
full_biblio = '<span id="full_biblio" style="display:none;">%s</span>' % biblio
kwic_biblio = full_biblio + short_biblio
kwic_biblio_link = (
'<a href="%s" class="kwic_biblio" style="white-space:pre-wrap;">' % href + kwic_biblio + "</a>: "
)
kwic_results[pos] = kwic_biblio_link + '<span id="kwic_text">%s</span>' % text
return kwic_results
def fetch_relevance(hit, path, q, samples=10):
length = 75
text_snippet = []
hit_num = len(hit.bytes)
if hit_num < samples:
byte_sample = sorted(sample(hit.bytes, hit_num))
else:
byte_sample = sorted(sample(hit.bytes, samples))
if hit_num and hit_num < samples:
length = int(length * samples / hit_num)
for byte in byte_sample:
byte = [int(byte)]
bytes, byte_start = adjust_bytes(byte, length)
conc_text = f.get_text(hit, byte_start, length, path)
conc_text = format_strip(conc_text, bytes)
conc_text = convert_entities(conc_text)
text_snippet.append(conc_text)
text = ' ... '.join(text_snippet)
return text
def fetch_kwic(results, path, q, byte_query, db, start, end, length=5000):
kwic_results = []
default_short_citation_len = 30
short_citation_len = 0
for hit in results[start:end]:
full_citation, short_citation, href = f.kwic_citation(db, hit, default_short_citation_len)
## Find longest short_citation
if short_citation_len == 0:
short_citation_len = len(short_citation)
elif len(short_citation) > short_citation_len:
short_citation_len = len(short_citation)
## Determine length of text needed
byte_distance = hit.bytes[-1] - hit.bytes[0]
length = length/2 + byte_distance + length/2
## Get concordance and align it
bytes, byte_start = adjust_bytes(hit.bytes, length)
conc_text = f.get_text(hit, byte_start, length, path)
conc_text = format_strip(conc_text, bytes)
conc_text = KWIC_formatter(conc_text, len(hit.bytes))
kwic_results.append((full_citation, short_citation, href, conc_text, hit))
if short_citation_len < default_short_citation_len:
default_short_citation_len = short_citation_len
## Populate Kwic_results with bibliography
for pos, result in enumerate(kwic_results):
biblio, short_biblio, href, text, hit = result
if len(short_biblio) < default_short_citation_len:
diff = default_short_citation_len - len(short_biblio)
short_biblio += ' ' * diff
short_biblio = '<span class="short_biblio">%s</span>' % short_biblio
full_biblio = '<span class="full_biblio" style="display:none;">%s</span>' % biblio
kwic_biblio = full_biblio + short_biblio
if q['format'] == "json":
kwic_results[pos] = (kwic_biblio, text, hit.philo_id)
else:
kwic_biblio_link = '<a href="%s" class="kwic_biblio">' % href + kwic_biblio + '</a>: '
kwic_results[pos] = kwic_biblio_link + '%s' % text
return kwic_results
def generate_kwic_results(db, q, config, link_to_hit="div1"):
""" The link_to_hit keyword defines the text object to which the metadata link leads to"""
hits = db.query(q["q"],q["method"],q["arg"],**q.metadata)
start, end, n = f.link.page_interval(q.results_per_page, hits, q.start, q.end)
kwic_object = {"description": {"start": start, "end": end, "results_per_page": q.results_per_page},
"query": dict([i for i in q])}
kwic_results = []
length = config.concordance_length
for hit in hits[start - 1:end]:
# Get all metadata
metadata_fields = {}
for metadata in db.locals['metadata_fields']:
metadata_fields[metadata] = hit[metadata].strip()
## Get all links and citations
citation_hrefs = citation_links(db, config, hit)
citation = concordance_citation(hit, citation_hrefs)
## Determine length of text needed
byte_distance = hit.bytes[-1] - hit.bytes[0]
length = config.concordance_length + byte_distance + config.concordance_length
## Get concordance and align it
bytes, byte_start = adjust_bytes(hit.bytes, config.concordance_length)
conc_text = f.get_text(hit, byte_start, length, config.db_path)
conc_text = format_strip(conc_text, bytes)
conc_text = KWIC_formatter(conc_text, len(hit.bytes))
kwic_result = {"philo_id": hit.philo_id, "context": conc_text, "metadata_fields": metadata_fields,
"citation_links": citation_hrefs, "citation": citation, "bytes": hit.bytes}
kwic_results.append(kwic_result)
kwic_object['results'] = kwic_results
kwic_object['results_length'] = len(hits)
kwic_object["query_done"] = hits.done
return kwic_object
def fetch_relevance(hit, path, q, samples=10):
length = 75
text_snippet = []
hit_num = len(hit.bytes)
if hit_num < samples:
byte_sample = sorted(sample(hit.bytes, hit_num))
else:
byte_sample = sorted(sample(hit.bytes, samples))
if hit_num and hit_num < samples:
length = int(length * samples / hit_num)
for byte in byte_sample:
byte = [int(byte)]
bytes, byte_start = adjust_bytes(byte, length)
conc_text = f.get_text(hit, byte_start, length, path)
conc_text = format_strip(conc_text, bytes)
conc_text = convert_entities(conc_text)
#conc_text = re.sub('<(/?span.*?)>', '[\\1]', conc_text)
#conc_text = re.sub('<.*?>', '', conc_text)
#conc_text = re.sub('\[(/?span.*?)\]', '<\\1>', conc_text)
#conc_text = re.sub('<div[^>]*>', '', conc_text)
#conc_text = re.sub('</div>', '', conc_text)
text_snippet.append(conc_text)
text = ' ... '.join(text_snippet)
return text
