Hi guys, I want to create a search form for my django site. So after
creating it, I input the keyword I want to search, after clicking on
“Search” I’m getting:

TypeError at /search/
Related Field has invalid lookup: icontains
Request Method: GET
Request URL:    http://127.0.0.1:8000/search/?q=lordme
Django Version: 1.3.1
Exception Type: TypeError
Exception Value:        Related Field has invalid lookup: icontains
Exception Location:     C:\Python27\lib\site-packages\django\db\models
\fields\related.py in get_prep_lookup, line 141
Python Executable:      C:\Python27\python.exe
Python Version: 2.7.2

Below are my codes:

Models:
#I just paste this in models.

def normalize_query(query_string,
                    findterms=re.compile(r'"([^"]+)"|(\S+)').findall,
                    normspace=re.compile(r'\s{2,}').sub):
    ''' Splits the query string in invidual keywords, getting rid of
unecessary spaces
        and grouping quoted words together.
        Example:

        >>> normalize_query('  some random  words "with   quotes  "
and   spaces')
        ['some', 'random', 'words', 'with quotes', 'and', 'spaces']

    '''
    return [normspace(' ', (t[0] or t[1]).strip()) for t in
findterms(query_string)]

def get_query_set(query_string, search_fields):
    ''' Returns a query, that is a combination of Q objects. That
combination
        aims to search keywords within a model by testing the given
search fields.

    '''
    query = None # Query to search for every search term
    terms = normalize_query(query_string)
    for term in terms:
        or_query = None # Query to search for a given term in each
field
        for field_name in search_fields:
            q = Q(**{"%s__icontains" % field_name: term})
            if or_query is None:
                or_query = q
            else:
                or_query = or_query | q
        if query is None:
            query = or_query
        else:
            query = query & or_query
    return query

Views:

from myweb.meekapp.models import get_query_set
def search(request):
    query_string = ''
    found_entries = None
    if ('q' in request.GET) and request.GET['q'].strip():
        query_string = request.GET['q']

        entry_query = get_query_set(query_string, ['user'])

        found_entries =
UserProfile.objects.filter(entry_query).order_by('-pub_date')


    return render_to_response('search_form.html',
                          { 'query_string': query_string,
'found_entries': found_entries },
                          context_instance=RequestContext(request))
Template:

<html>
<head>
<title>Search</title>
</head>
<body>
<form action="" method="get">
<input type="text" name="q">
<input type="submit" value="Search">
</form>
</body>
</html>

What am I missing?

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