我正在使用从https://djangosnippets.org/snippets/1364/借来的 haystack 的字母分页
但是命名分页正在访问它不应该的数据库。第 15 行导致了这种情况，尽管我在 django 模板中有相同的迭代代码，它工作正常。
更新：
搜索视图.py
import json
from django.core import serializers
from django.core.paginator import InvalidPage, Paginator
from django.http import Http404, HttpResponse
from django.shortcuts import redirect, render_to_response
from haystack.query import SearchQuerySet
from haystack.views import FacetedSearchView
from directory.named_paginator import NamedPaginator
class FacetedSearchCustomView(FacetedSearchView):
"""
Overrides various default methods to allow for additional context, smoother UX for faceting
"""
def build_page(self):
"""
Paginates the results appropriately.
Overriden to redirect to page 1 if a page_no is not found
"""
try:
page_no = int(self.request.GET.get('page', 1))
except (TypeError, ValueError):
raise Http404("Not a valid number for page.")
if page_no < 1:
raise Http404("Pages should be 1 or greater.")
paginator = NamedPaginator(self.results, on="brand", per_page=self.results_per_page)
# import pdb; pdb.set_trace()
try:
page = paginator.page(page_no)
except InvalidPage:
# Redirect to page 1 of the
path = self.request.path
qs = self.request.GET.copy()
qs['page'] = 1
url = '%s?%s' % (path, qs.urlencode())
return redirect(url)
return paginator, page
def clean_filters(self):
"""Returns a list of tuples (filter, value) of applied facets"""
filters = []
# get distinct facets
facets = list(set(self.form.selected_facets))
for facet in facets:
if ":" not in facet:
continue
field, value = facet.split(":", 1)
field = field.replace('_', ' ').replace('exact', '').title()
filters.append((field, value))
return filters
def create_response(self):
"""
Generates the actual HttpResponse to send back to the user.
Overriding to allow the redirect to pass through from overriden build_page
"""
try:
(paginator, page) = self.build_page()
except ValueError:
return self.build_page()
context = {
'query': self.query,
'form': self.form,
'page': page,
'paginator': paginator,
'suggestion': None,
}
if self.results and hasattr(self.results, 'query') and self.results.query.backend.include_spelling:
context['suggestion'] = self.form.get_suggestion()
context.update(self.extra_context())
return render_to_response(self.template, context, context_instance=self.context_class(self.request))
def extra_context(self):
extra = super(FacetedSearchCustomView, self).extra_context()
extra['filters'] = self.clean_filters()
if not self.results:
extra['facets'] = self.form.search().facet_counts()
else:
extra['facets'] = self.results.facet_counts()
model_type = self.request.path.split('/')[1].rstrip('s')
extra['model_type'] = None if model_type == "search" else model_type
任何帮助都感激不尽。
谢谢。
更新：
{
"store":{
"mappings":{
"modelresult":{
"_boost":{
"name":"boost",
"null_value":1
},
"properties":{
"brand":{
"type":"string",
"analyzer":"synonym_analyzer"
},
"brand_auto":{
"type":"string",
"analyzer":"edgengram_analyzer"
},
"brand_slug":{
"type":"string",
"analyzer":"synonym_analyzer"
},
"brand_sort":{
"type":"string",
"analyzer":"synonym_analyzer"
}
}
}
}
}
}