我在django 1.10中使用whoosh后端进行了大海捞针搜索实现。我已经关注了＃34;入门＆＃34;文档页面，并实现了我在那里看到的一切，但是，当我运行
时./manage.py update_index
它会告诉我
Indexing 0 posts
当我进行测试搜索时，我将无法获得任何结果。我正在创建一个论坛网络应用程序，所有帖子都填充了Lorem Ipsum ...内容。当我搜索＆＃34; Lorem＆＃34;它不会向我显示任何结果。
settings.py：
"""
Django settings for portfolio project.
Generated by 'django-admin startproject' using Django 1.11.
For more information on this file, see
https://docs.djangoproject.com/en/1.11/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.11/ref/settings/
"""
import os
# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '...'
# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
ALLOWED_HOSTS = []
# Application definition
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'markdown_deux',
'haystack',
'forum',
]
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
ROOT_URLCONF = 'portfolio.urls'
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [
os.path.join(BASE_DIR, "portfolio/templates"),
os.path.join(BASE_DIR, "forum/templates"),
],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
WSGI_APPLICATION = 'portfolio.wsgi.application'
# Database
# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
}
}
# Password validation
# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
]
# Haystack configration
# HAYSTACK_CONNECTIONS = {
# 'default': {
# 'ENGINE': 'haystack.backends.solr_backend.SolrEngine',
# 'URL': 'http://127.0.0.1:8983/solr'
# # ...or for multicore...
# # 'URL': 'http://127.0.0.1:8983/solr/mysite',
# },
# }
import os
HAYSTACK_CONNECTIONS = {
'default': {
'ENGINE': 'haystack.backends.whoosh_backend.WhooshEngine',
'PATH': os.path.join(os.path.dirname(__file__), 'whoosh_index'),
},
}
# Internationalization
# https://docs.djangoproject.com/en/1.11/topics/i18n/
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.11/howto/static-files/
STATIC_URL = '/static/'
STATICFILES_DIRS = [
os.path.join(BASE_DIR, "static"),
]
LOGIN_REDIRECT_URL = "forum_homepage"
LOGOUT_REDIRECT_URL = "forum_homepage"
search_indexes.py：
"""
Python module for defining models to have haystack index for searching.
"""
from haystack import indexes
from forum.models import Post, Thread
class PostIndex(indexes.SearchIndex, indexes.Indexable):
text = indexes.CharField(document=True)
author = indexes.CharField(model_attr="author")
creation_d = indexes.CharField(model_attr="creation_d")
def get_model(self):
"Return a reference to the model being represented."
return Post
views.py：
...
class SearchView(SearchView):
"""
Render the view for searching.
"""
def get_context_data(self, **kwargs):
"Get context for SearchFormView view."
context = super(SearchView, self).get_context_data(**kwargs)
context["active"] = "search"
return context
...
模板/搜索/ search.html：
{% extends "forum/base_template.html" %}
{% block forum_body %}
<h2>Search</h2>
<form method="get" action=".">
<table>
{{ form.as_table }}
<tr>
<td> </td>
<td>
<input type="submit" value="Search">
</td>
</tr>
</table>
{% if query %}
<h3>Results</h3>
{% for result in page.object_list %}
<p>
<a href="{{ result.object.get_absolute_url }}">{{ result.object.title }}</a>
</p>
{% empty %}
<p>No results found.</p>
{% endfor %}
{% if page.has_previous or page.has_next %}
<div>
{% if page.has_previous %}<a href="?q={{ query }}&page={{ page.previous_page_number }}">{% endif %}« Previous{% if page.has_previous %}</a>{% endif %}
|
{% if page.has_next %}<a href="?q={{ query }}&page={{ page.next_page_number }}">{% endif %}Next »{% if page.has_next %}</a>{% endif %}
</div>
{% endif %}
{% else %}
{# Show some example queries to run, maybe query syntax, something else? #}
{% endif %}
</form>
{% endblock %}
models.py：
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models
from django.conf import settings
# for referending auth.User model objects
AUTH_USER_MODEL = getattr(settings, 'AUTH_USER_MODEL', 'auth.User')
# Create your models here.
class Rules(models.Model):
"""
Model the set of rules for the forum.
There is to only be one instance of this model.
"""
rules = models.TextField()
name = models.CharField(max_length=5, default="Rules")
def __str__(self):
return "Rules"
class Category(models.Model):
"""
Model a forum main category.
"""
name = models.CharField(max_length=30, unique=True)
def __str__(self):
"""
Represent a main category as a string.
"""
return self.name
class SubCategory(models.Model):
"""
Model a forum subcategory.
"""
name = models.CharField(max_length=30, unique=True)
# to create a one-to-many field from the category to the subcategories
# the inverse is automatically created by django and can be accessed
# via "Category.subcats"
category = models.ForeignKey(Category, related_name="subcats")
def num_threads(self):
"""
Retrieve the number of threads in the subcategory.
"""
return self.threads.all().count()
def num_posts(self):
"""
Retrieve the number of threads in the subcategory.
"""
post_count = 0
for thread in self.threads.all():
post_count += thread.post_count()
return post_count
def __str__(self):
"""
Represent a subcategory as a string.
"""
return self.name
class Thread(models.Model):
"""
Model a single thread in a subcategory.
"""
name = models.CharField(max_length=30)
creation_d = models.DateTimeField(auto_now_add=True)
views = models.IntegerField(default=0)
# to create a on-to-many field from the threads to the subcategory
# in which they belong
# threads can be accessed via subcats from the "SubCat.threads" field.
subcat = models.ForeignKey(SubCategory, related_name="threads")
def __unicode__(self):
return unicode(self.name)
def get_author(self):
"""
Retrieve the author of the thread based on the author of the first post.
"""
return self.posts.all().order_by("-creation_d")[0].author
def post_count(self):
"""
Count number of posts in a thread
"""
return self.posts.all().count()
def reply_count(self):
"""
Count number of replies in a thread
"""
return self.posts.all().count() - 1
def get_last_post(self):
"""
Find information for the last post on a certain thread.
"""
try:
return self.posts.all().order_by("-creation_d")[0]
except KeyError:
return None
def __str__(self):
"""
Represent a thread as a string.
"""
# return '"{}" by "{}"'.format(self.name, self.author)
return '"{}"'.format(self.name)
class Post(models.Model):
"""
Model a single post in a thread.
"""
creation_d = models.DateTimeField(auto_now_add=True)
content = models.TextField()
# to create a one-to-one relationship between a post and an author
author = models.ForeignKey(AUTH_USER_MODEL, related_name="posts")
# to create a one-to-many relationship between posts and a thread
thread = models.ForeignKey(Thread, related_name="posts")
def __str__(self):
"""
Represent a post with a string.
"""
post = (self.content[:17] + '...') if len(self.content) > 20 else self.content
return '"{}" by {} at {}/{}/{}'.format(post, self.author.username, self.creation_d.month, self.creation_d.day, self.creation_d.year)
任何帮助都会受到赞赏，但我无法弄清楚我做错了什么。