my code list is :
=================================================
1. mysite/books/models.py
=================================================
class Author(models.Model):
salutation=models.CharField(maxlength=10)
first_name=models.CharField(maxlength=30)
last_name=models.CharField(maxlength=40)
emal=models.EmailField()
headshot=models.ImageField(upload_to='/tmp')
def __str__(self):
return '%s %s' %(self.first_name,self.last_name)
class Admin:
ordering=('email',)
class Book(models.Model):
title=models.CharField(maxlength=100)
authors=models.ManyToManyField(Author)
publisher=models.ForeignKey(Publisher)
publication_date=models.DateField()
def __str__(self):
return self.title
**********************************END**************************************
=================================================
2. mysite/books/views.py
=================================================
....
def book_list(request):
books=Book.objects.select_related()
return render_to_response('books/book_list.html',{'books':books})
**********************************END**************************************
=================================================
3. mysite/templates/books/book_list.html
=================================================
{% load mytags %}
Book list:
<ul>
{% for book in books %}
<li>
{{ book.title }}<br>
{{ show_authors_for_book book }}
</li>
{% endfor %}
</ul>
**********************************END**************************************
=================================================
4. mysite/templates/books/book_list.html
=================================================
{% load mytags %}
Book list:
<ul>
{% for book in books %}
<li>
{{ book.title }}<br>
{{ show_authors_for_book book }}
</li>
{% endfor %}
</ul>
**********************************END**************************************
and then i create a tag file and template file to show authors related
to book:
=================================================
5. mysite/books/tempaltetags/mytags.py
=================================================
from django import template
from myDjangoSite1.books.models import Book,Author
register=template.Library()
@register.inclusion_tag('books/show_authors_for_book.html')
def show_authors_for_book(book):
authors=book.authors.all()
return {'authors':authors}
*******************************************************************************
AND:
=================================================
6. mysite/templates/books/show_authors_for_book.html
=================================================
<ul>
{% for author in authors %}
<li>{{author.first_name}} </li>
{% endfor %}
</ul>
**********************************END**************************************
In url.py, i add a line:
(r'^book/$',views.book_list),
All of above code i wrote is to test how to use inclusion tag,
but when i test this url,the browse shows error:
****************************************************************************************************
TemplateSyntaxError at /book/
Could not parse the remainder: book
Request Method: GET
Request URL: http://127.0.01/book/
Exception Type: TemplateSyntaxError
Exception Value: Could not parse the remainder: book
Exception Location: D:\Python25\lib\site-packages\django\template
\__init__.py in __init__, line 558
Template error
In template D:/temp/myDjangoSite1/../myDjangoSite1/templates\books/
book_list.html, error at line 4
Could not parse the remainder: book
1 {% load mytags %}
2 Book list:
3 <ul>
4 {% for book in books %}
5 <li>
6 {{ book.title }}<br>
7 {{ show_authors_for_book book }}
8 </li>
9 {% endfor %}
10 </ul>
Does somebody knows why???
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