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430ae4f90e
* Use more traditional GET instead of POST method * Search in pn, summary, description and filename instead of just pn Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
40 lines
1.5 KiB
Python
40 lines
1.5 KiB
Python
# Borrowed from http://julienphalip.com/post/2825034077/adding-search-to-a-django-site-in-a-snap
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# Copyright 2011 Julien Phalip. All Rights Reserved.
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import re
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from django.db.models import Q
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def normalize_query(query_string,
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findterms=re.compile(r'"([^"]+)"|(\S+)').findall,
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normspace=re.compile(r'\s{2,}').sub):
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''' Splits the query string in invidual keywords, getting rid of unecessary spaces
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and grouping quoted words together.
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Example:
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>>> normalize_query(' some random words "with quotes " and spaces')
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['some', 'random', 'words', 'with quotes', 'and', 'spaces']
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'''
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return [normspace(' ', (t[0] or t[1]).strip()) for t in findterms(query_string)]
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def get_query(query_string, search_fields):
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''' Returns a query, that is a combination of Q objects. That combination
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aims to search keywords within a model by testing the given search fields.
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'''
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query = None # Query to search for every search term
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terms = normalize_query(query_string)
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for term in terms:
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or_query = None # Query to search for a given term in each field
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for field_name in search_fields:
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q = Q(**{"%s__icontains" % field_name: term})
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if or_query is None:
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or_query = q
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else:
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or_query = or_query | q
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if query is None:
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query = or_query
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else:
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query = query & or_query
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return query
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