def preview_scribble(request):
"Render scribble content or return error information."
if not request.user.is_authenticated():
return HttpResponseForbidden()
can_edit = request.user.has_perm('scribbler.change_scribble')
can_create = request.user.has_perm('scribbler.add_scribble')
if not (can_edit or can_create):
return HttpResponseForbidden()
results = {
'valid': False,
'html': '',
}
form = PreviewForm(request.POST)
if form.is_valid():
results['valid'] = True
template = Template(form.cleaned_data.get('content', ''))
context = build_scribble_context(form.instance, request)
results['html'] = template.render(context)
results['variables'] = get_variables(context)
else:
if hasattr(form, 'exc_info'):
exc_type, exc_value, tb = form.exc_info
reporter = ExceptionReporter(request, exc_type, exc_value, tb)
reporter.get_template_exception_info()
results['error'] = reporter.template_info
else:
# Not sure what to do here
results['error'] = {
'message': 'Content is not valid',
'line': '',
}
content = json.dumps(results, cls=DjangoJSONEncoder, ensure_ascii=False)
return HttpResponse(content, content_type='application/json')
def preview_scribble(request):
"Render scribble content or return error information."
if not request.user.is_authenticated():
return HttpResponseForbidden()
can_edit = request.user.has_perm('scribbler.change_scribble')
can_create = request.user.has_perm('scribbler.add_scribble')
if not (can_edit or can_create):
return HttpResponseForbidden()
results = {
'valid': False,
'html': '',
}
form = PreviewForm(request.POST)
if form.is_valid():
results['valid'] = True
template = Template(form.cleaned_data.get('content', ''))
context = build_scribble_context(form.instance, request)
results['html'] = template.render(context)
results['variables'] = get_variables(context)
else:
if hasattr(form, 'exc_info'):
exc_type, exc_value, tb = form.exc_info
reporter = ExceptionReporter(request, exc_type, exc_value, tb)
reporter.get_template_exception_info()
results['error'] = reporter.template_info
else:
# Not sure what to do here
results['error'] = {
'message': 'Content is not valid',
'line': '',
}
content = json.dumps(results, cls=DjangoJSONEncoder, ensure_ascii=False)
return HttpResponse(content, content_type='application/json')
def preview_scribble(request, ct_pk):
"Render scribble content or return error information."
if not request.user.is_authenticated:
return HttpResponseForbidden()
content_type = get_object_or_404(ContentType, pk=ct_pk)
change_scribble = '{0}.change_{1}'.format(
content_type.app_label, content_type.model)
add_scribble = '{0}.add_{1}'.format(
content_type.app_label, content_type.model)
can_edit = request.user.has_perm(change_scribble)
can_create = request.user.has_perm(add_scribble)
if not (can_edit or can_create):
return HttpResponseForbidden()
results = {
'valid': False,
'html': '',
}
form = PreviewForm(request.POST)
if form.is_valid():
results['valid'] = True
if hasattr(template, 'engines'):
scribbler_template = template.engines['django'].from_string(form.cleaned_data.get('content', ''))
else:
scribbler_template = template.Template(form.cleaned_data.get('content', ''))
context = build_scribble_context(form.instance)
results['html'] = scribbler_template.render(context, request)
results['variables'] = get_variables(RequestContext(request, context))
else:
if hasattr(form, 'exc_info'):
# Pre Django 1.9
try:
exc_type, exc_value, tb = form.exc_info
reporter = ExceptionReporter(request, exc_type, exc_value, tb)
reporter.get_template_exception_info()
results['error'] = reporter.template_info
# Django >= 1.9: get_template_info() is moved from ExceptionReporter
# onto Template. We pass the data it returns from scribbler/forms.py
# to here.
except (ValueError, AttributeError):
# ValueError is raised when we pass in all 12 the arguments,
# in form.exc_info and AttributeError is raised when
# ExceptionReporter.get_template_exception_info() is called.
results['error'] = form.exc_info
else:
# Not sure what to do here
results['error'] = {
'message': 'Content is not valid',
'line': '',
}
content = json.dumps(results, cls=DjangoJSONEncoder, ensure_ascii=False)
return HttpResponse(content, content_type='application/json')
def preview_scribble(request, ct_pk):
"Render scribble content or return error information."
if not request.user.is_authenticated():
return HttpResponseForbidden()
content_type = get_object_or_404(ContentType, pk=ct_pk)
change_scribble = '{0}.change_{1}'.format(
content_type.app_label, content_type.model)
add_scribble = '{0}.add_{1}'.format(
content_type.app_label, content_type.model)
can_edit = request.user.has_perm(change_scribble)
can_create = request.user.has_perm(add_scribble)
if not (can_edit or can_create):
return HttpResponseForbidden()
results = {
'valid': False,
'html': '',
}
form = PreviewForm(request.POST)
if form.is_valid():
results['valid'] = True
if hasattr(template, 'engines'):
scribbler_template = template.engines['django'].from_string(form.cleaned_data.get('content', ''))
else:
scribbler_template = template.Template(form.cleaned_data.get('content', ''))
context = build_scribble_context(form.instance)
results['html'] = scribbler_template.render(context, request)
results['variables'] = get_variables(RequestContext(request, context))
else:
if hasattr(form, 'exc_info'):
# Pre Django 1.9
try:
exc_type, exc_value, tb = form.exc_info
reporter = ExceptionReporter(request, exc_type, exc_value, tb)
reporter.get_template_exception_info()
results['error'] = reporter.template_info
# Django >= 1.9: get_template_info() is moved from ExceptionReporter
# onto Template. We pass the data it returns from scribbler/forms.py
# to here.
except (ValueError, AttributeError):
# ValueError is raised when we pass in all 12 the arguments,
# in form.exc_info and AttributeError is raised when
# ExceptionReporter.get_template_exception_info() is called.
results['error'] = form.exc_info
else:
# Not sure what to do here
results['error'] = {
'message': 'Content is not valid',
'line': '',
}
content = json.dumps(results, cls=DjangoJSONEncoder, ensure_ascii=False)
return HttpResponse(content, content_type='application/json')
def template_debug_output():
""" Usage:
try:
self.client.get(...)
except:
template_debug_output()
"""
import sys
import html
from django.views.debug import ExceptionReporter
reporter = ExceptionReporter(None, *sys.exc_info())
reporter.get_template_exception_info()
info = reporter.template_info
print()
print("Exception Message: " + info["message"])
print("Template: " + info["name"])
print()
for line in info["source_lines"]:
if line[0] == info["line"]:
print("-->" + html.unescape(line[1])[3:-1])
else:
print(html.unescape(line[1])[:-1])
