def search():
"""
When a user enters a search query, it is obtained here. It calculates the
top documents by using the Searcher class.
:return: A template which is populated by input_query, top 20 results,
cosine scores of various query_words, and words whose document frequency
is zero.
"""
query = request.form.get('searchBar')
query = unicodedata.normalize('NFKD', query).encode('ascii', 'ignore')
now = time.clock()
searcher = Searcher(query)
results = searcher.cosine_score()
scores = searcher.query_score
print time.clock() - now
zero_scores = searcher.top_corrections
boolean_results = searcher.boolean_results
if len(boolean_results) == 0:
boolean_error = True
else:
boolean_error = False
title_results = searcher.title_results
if len(title_results) > 10:
title_results = []
return render_template("displayResults.html",
input_query=query,
results=results,
scores=scores,
zero_scores=zero_scores,
title_results=title_results,
error=boolean_error,
boolean_results=boolean_results)
def weighted_search():
"""
When a user Enters weights to use for different query_words, those are
obtained by this method.
:return: A template populated by input_query, results obtained due to
weighted search, the scores of various query_words as given by the user
and words whose document frequency is zero
"""
weights = {}
query = request.form.get("query")
for key in request.form:
if key == "query":
query = request.form[key]
query = unicodedata.normalize('NFKD',
query).encode('ascii', 'ignore')
else:
weights[key] = request.form[key]
weights[key] = unicodedata.normalize('NFKD', weights[key]).encode(
'ascii', 'ignore')
weights[key] = float(weights[key]) / 100
searcher = Searcher(query, query_score=weights)
results = searcher.cosine_score()
scores = searcher.query_score
zero_scores = searcher.top_corrections
boolean_results = searcher.boolean_results
if len(boolean_results) == 0:
boolean_error = True
else:
boolean_error = False
title_results = searcher.title_results
return render_template("displayResults.html",
input_query=query,
results=results,
scores=scores,
zero_scores=zero_scores,
title_results=title_results,
error=boolean_error)