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Support search terms that contain multiple words in ANY/ALL matching modes, by surrounding the terms with double quotes.

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This commit is contained in:
ishirav 2017-12-23 06:05:48 +02:00
parent af4623e605
commit 6a36a4ec97
1 changed files with 15 additions and 2 deletions
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17
src/documents/models.py
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@ -89,7 +89,7 @@ class MatchingModel(models.Model):
search_kwargs = {"flags": re.IGNORECASE}
if self.matching_algorithm == self.MATCH_ALL:
for word in self.match.split(" "):
for word in self._split_match():
search_result = re.search(
r"\b{}\b".format(word), text, **search_kwargs)
if not search_result:
@ -97,7 +97,7 @@ class MatchingModel(models.Model):
return True
if self.matching_algorithm == self.MATCH_ANY:
for word in self.match.split(" "):
for word in self._split_match():
if re.search(r"\b{}\b".format(word), text, **search_kwargs):
return True
return False
@ -121,6 +121,19 @@ class MatchingModel(models.Model):
raise NotImplementedError("Unsupported matching algorithm")
def _split_match(self):
'''
Splits the match to invidual keywords, getting rid of unecessary spaces
and grouping quoted words together.
Example:
' some random words "with quotes " and spaces'
==>
['some', 'random', 'words', 'with quotes', 'and', 'spaces']
'''
findterms = re.compile(r'"([^"]+)"|(\S+)').findall
normspace = re.compile(r'\s{2,}').sub
return [normspace(' ', (t[0] or t[1]).strip()) for t in findterms(self.match)]
def save(self, *args, **kwargs):
self.match = self.match.lower()