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from django import template
from django.core.urlresolvers import reverse
register = template.Library()
def project_url(parser, token):
"""
Create a URL for a project's main page;
for non-default projects, this is the configuration page;
for the default project, this is the project builds page
"""
try:
tag_name, project = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError(
"%s tag requires exactly one argument" % tag_name
)
return ProjectUrlNode(project)
class ProjectUrlNode(template.Node):
def __init__(self, project):
self.project = template.Variable(project)
def render(self, context):
try:
project = self.project.resolve(context)
if project.is_default:
return reverse('projectbuilds', args=(project.id,))
else:
return reverse('project', args=(project.id,))
except template.VariableDoesNotExist:
return ''
register.tag('project_url', project_url)
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