Hi, The plans are to use classytags on the website at work and I'm going through the documentation and running some experimental code as I go. This is being run on with classtags 0.8.0, python 3.5.2, and django 1.10.3.
I've written some templates and using classy tags, written an inclusion tag
that works as expected. I then add a block tag, called 'Jimblock' and the
browser cannot find it. In the browser, I get the error message in the
included file, 'browser_error_msg.txt
The last part of the error message is:
Exception Type: TemplateSyntaxError at /Ttags/classHello/
> Exception Value: Invalid block tag on line 20: 'Jimblock'. Did you forget
> to register or load this tag?
>
I would expect the browser to find 'Jimblock' because it found 'Jinclusion'
before I add 'Jimblock'. Both are defined in the same file,
'customClassTemplateTags.py', which is attached. The template,
'classTemplateTags.html' which references 'Jinclusion' and 'Jimblock' is
also attached.
Directory structure is:
.../testDjangoProject
|
-------------> utilTemplateTags
|
--------------> templates
| |
|
--------------> utilTemplateTags (contains: classTemplateTags.html)
|
---------------> templatetags
(contains: customClassTemplateTags.py)
My settings.py file has the following entry:
TEMPLATES = [
> {
> 'BACKEND': 'django.template.backends.django.DjangoTemplates',
> 'DIRS': [
> os.path.join(BASE_DIR,
> 'templates'), ### This is the base directory for templates
>
> os.path.join(BASE_DIR,"polls/templates/polls"),
>
> os.path.join(BASE_DIR,"utilTemplateTags/templates"),
>
> os.path.join(BASE_DIR,"utilTemplateTags/templates/utilTemplateTags"),
> ],
> 'APP_DIRS': True,
> ....
> }
>
I believe this entry for TEMPLATES is correct. Like I said previously,
'Jinclusion' is being found, so I expect 'Jimblock' to also be found.
Can anyone help with suggestions?
Jim Anderson
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Environment: Request Method: GET Request URL: http://localhost:8000/Ttags/classHello/ Django Version: 1.10.3 Python Version: 3.5.2 Installed Applications: ['django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'polls.apps.PollsConfig', 'accounts', 'myUtilsConfig.apps.MyUtilsConfig', 'utilTemplateTags.apps.UtiltemplatetagsConfig'] Installed 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.auth.middleware.SessionAuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware'] Template error: In template /home/jja/testDjangoProject/utilTemplateTags/templates/utilTemplateTags/classTemplateTags.html, error at line 20 Invalid block tag on line 20: 'Jimblock'. Did you forget to register or load this tag? 10 : <p><b>{ % hello "classytags" % }</b>: Outputs <b>{% hello "classytags" %}</b></p> 11 : <p>{ % hello as myvar % }: Outputs nothing but stores hello world into the template variable <b>myvar</b>.</p> 12 : <p>{ % hello "my friend" as othervar % }: Outputs nothing but stores hello <b>'my friend'</b> into the template variable <b>othervar</b>.</p> 13 : </div> 14 : <div> 15 : <p> {% dummy %} </p> 16 : <p> {% dummy as jja %} </p> 17 : <p>jja: {{ jja }} </p> 18 : </div> 19 : {% endblock %} 20 : {% Jimblock "jim" %} 21 : <div> 22 : <p>Example inclusion tag</p> 23 : <p>{% jinclusion %}</p> 24 : </div> 25 : {% endblock %} 26 : Traceback: File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/base.py" in parse 510. compile_func = self.tags[command] During handling of the above exception ('Jimblock'), another exception occurred: File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/core/handlers/exception.py" in inner 39. response = get_response(request) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/core/handlers/base.py" in _legacy_get_response 249. response = self._get_response(request) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response 187. response = self.process_exception_by_middleware(e, request) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response 185. response = wrapped_callback(request, *callback_args, **callback_kwargs) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/views/generic/base.py" in view 68. return self.dispatch(request, *args, **kwargs) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/views/generic/base.py" in dispatch 88. return handler(request, *args, **kwargs) File "/home/jja/testDjangoProject/utilTemplateTags/views.py" in get 62. return render_to_response(self.template_name) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/shortcuts.py" in render_to_response 21. content = loader.render_to_string(template_name, context, using=using) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/loader.py" in render_to_string 67. template = get_template(template_name, using=using) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/loader.py" in get_template 21. return engine.get_template(template_name) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/backends/django.py" in get_template 39. return Template(self.engine.get_template(template_name), self) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/engine.py" in get_template 160. template, origin = self.find_template(template_name) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/engine.py" in find_template 134. name, template_dirs=dirs, skip=skip, File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/loaders/base.py" in get_template 44. contents, origin, origin.template_name, self.engine, File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/base.py" in __init__ 191. self.nodelist = self.compile_nodelist() File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/base.py" in compile_nodelist 233. return parser.parse() File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/base.py" in parse 518. raise self.error(token, e) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/base.py" in parse 516. compiled_result = compile_func(self, token) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/loader_tags.py" in do_extends 299. nodelist = parser.parse() File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/base.py" in parse 512. self.invalid_block_tag(token, command, parse_until) File "/home/jja/testenv3.5/lib/python3.5/site-packages/django/template/base.py" in invalid_block_tag 574. "or load this tag?" % (token.lineno, command) Exception Type: TemplateSyntaxError at /Ttags/classHello/ Exception Value: Invalid block tag on line 20: 'Jimblock'. Did you forget to register or load this tag?
from classytags.core import Options
from classytags.core import Tag
from classytags.helpers import AsTag
from classytags.arguments import Argument
from django import template
from classytags.blocks import BlockDefinition
from classytags.blocks import VariableBlockName
register = template.Library()
class Hello(AsTag):
options = Options(
Argument('name', required=False, default='world'),
'as',
Argument('varname', required=False, resolve=False)
)
def get_value(self, context, name):
return 'hello %s' % name
register.tag(Hello)
from classytags.core import Options
from classytags.arguments import Argument
from classytags.helpers import AsTag
from django import template
class Dummy(AsTag):
options = Options(
'as',
Argument('varname', resolve=False, required=False),
)
def get_value(self, context):
return 'dummy'
register.tag(Dummy)
from classytags.helpers import InclusionTag
class Jinclusion(InclusionTag):
template = 'included.html'
def get_context(self, context):
return {'info': 'jInclusion'}
register.tag(Jinclusion)
class Jimblock(Tag):
options = Options(
Argument('name', resolve=False),
blocks=[ BlockDefinition('nodelist', VariableBlockName('endblock %(value)s', 'name'), 'endblock') ]
)
register.tag(Jimblock)
{% extends 'testDjangoProject/base.html' %}
{% load customClassTemplateTags %}
{% block content %}
{ % hello % }: Outputs {% hello %}
{ % hello "" % }: Outputs {% hello "" %}
{ % hello "classytags" % }: Outputs {% hello "classytags" %}
{ % hello as myvar % }: Outputs nothing but stores hello world into the template variable myvar.
{ % hello "my friend" as othervar % }: Outputs nothing but stores hello 'my friend' into the template variable othervar.
{% dummy %}
{% dummy as jja %}
jja: {{ jja }}
Example inclusion tag
{% jinclusion %}
