I think it should be {% show_authors_for_book book %}, because it's an
custom tag, not a variable.
On Jan 14, 4:18 am, shomain <[EMAIL PROTECTED]> wrote:
> 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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