X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/281a6f613c78ffd1fa81951db829a5551fd2e42d..e9c8751701e3f5e00f9ffe76b616966537c77b56:/apps/search/custom.py
diff --git a/apps/search/custom.py b/apps/search/custom.py
index 6cb18fd24..dcb55eb44 100644
--- a/apps/search/custom.py
+++ b/apps/search/custom.py
@@ -5,6 +5,8 @@ import urllib
import warnings
from sunburnt import search
import copy
+from httplib2 import socket
+import re
class TermVectorOptions(search.Options):
@@ -89,7 +91,10 @@ class CustomSolrInterface(sunburnt.SolrInterface):
self.writeable = False
elif 'r' not in mode:
self.readable = False
- self.init_schema()
+ try:
+ self.init_schema()
+ except socket.error, e:
+ raise socket.error, "Cannot connect to Solr server, and search indexing is enabled (%s)" % str(e)
def _analyze(self, **kwargs):
if not self.readable:
@@ -119,8 +124,8 @@ class CustomSolrInterface(sunburnt.SolrInterface):
if matches:
return self.substring(kwargs['text'], matches,
- margins=kwargs.get('margins', 30),
- mark=kwargs.get('mark', ("", "")))
+ margins=kwargs.get('margins', 30),
+ mark=kwargs.get('mark', ("", "")))
else:
return None
@@ -130,26 +135,54 @@ class CustomSolrInterface(sunburnt.SolrInterface):
terms = map(lambda n: unicode(n.text), terms)
return terms
+ def expand_margins(self, text, start, end):
+ totlen = len(text)
+
+ def is_boundary(x):
+ ws = re.compile(r"\W", re.UNICODE)
+ return bool(ws.match(x))
+
+ while start > 0:
+ if is_boundary(text[start - 1]):
+ break
+ start -= 1
+
+ while end < totlen - 1:
+ if is_boundary(text[end + 1]):
+ break
+ end += 1
+
+ return (start, end)
+
def substring(self, text, matches, margins=30, mark=("", "")):
start = None
end = None
totlen = len(text)
- matches_margins = map(lambda (s, e): (max(0, s - margins), min(totlen, e + margins)), matches)
- (start, end) = matches_margins[0]
-
- for (s, e) in matches_margins[1:]:
+ matches_margins = map(lambda (s, e):
+ ((s, e),
+ (max(0, s - margins), min(totlen, e + margins))),
+ matches)
+ matches_margins = map(lambda (m, (s, e)):
+ (m, self.expand_margins(text, s, e)),
+ matches_margins)
+
+ # lets start with first match
+ (start, end) = matches_margins[0][1]
+ matches = [matches_margins[0][0]]
+
+ for (m, (s, e)) in matches_margins[1:]:
if end < s or start > e:
continue
start = min(start, s)
end = max(end, e)
+ matches.append(m)
snip = text[start:end]
- matches = list(matches)
matches.sort(lambda a, b: cmp(b[0], a[0]))
+
for (s, e) in matches:
off = - start
snip = snip[:e + off] + mark[1] + snip[e + off:]
snip = snip[:s + off] + mark[0] + snip[s + off:]
- # maybe break on word boundaries
- return snip
+ return snip