Hi,
Has anyone managed to get PyLucene working with Django?
It all works perfectly in unittests etc., but I using the development
server import PyLucene causes python to crash (I suspect because the
thread doesn't subclass PyLucene.PythonThread).
On OS X 10.4.8 with Apache 2.0.59 compiled for prefork, mod_python
3.2.10 I can import PyLucene, open a store etc. but it variously hangs
up when creating QueryParsers, closing stores etc. and never returns to
the view.
I'm not doing anything radically different to what's in the search-api
branch, so I'd be interested to see a working example actually used
from a view - like I said, unittests over my index are fine it only
breaks where the search method is called from a view whilst running in
a webserver.
As a point of interest, anyone think it would be better to create a
similar architecture to NXLucene?
Any insights appreciated.
cheers,
Cam
For completeness, here is some code:
--- search.py ---
class Base(object):
"""
Base search class
"""
def __init__(self, directory, create=False):
"""
Constructor
"""
self.create = create
self.directory = directory
if not os.path.exists(self.directory) and create:
os.makedirs(self.directory)
object.__init__(self)
def open_store(self):
"""
Create a datastore
"""
return FSDirectory.getDirectory(self.directory, self.create)
def close_store(self, store, *args):
"""
Close a datastore
"""
for arg in args:
if arg:
arg.close()
store.close()
class ListingSearcher(Base):
"""
Searcher for Listing index
"""
def search(self, query_string):
"""
Parse and execute query_string against the index
"""
fields = ['name', 'id']
parser = MultiFieldQueryParser(fields, StandardAnalyzer())
query = parser.parse(query_string)
store = self.open_store()
searcher = IndexSearcher(store)
hits = searcher.search(query)
hitz = []
for i, doc in hits:
hitz.append({'name': doc['name'], 'score': hits.score(i), \
'url': doc['url'], 'id': doc['id'] })
return hitz
--- views.py ---
def search(request):
"""
Text search view.
"""
if request.method == 'POST':
new_data = request.POST.copy()
form = TextSearchForm(new_data, auto_id=True)
else:
form = TextSearchForm(auto_id=True)
if form.is_valid():
searcher = ListingSearcher('/tmp')
hits = searcher.search(form.clean_data['q'])
return render_to_response('listings/search_results.html',
{'results_list': hits})
return render_to_response('listings/search.html', {'form': form})
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