import sys

from django.core.urlresolvers import RegexURLResolver
from django.conf.urls.defaults import patterns

def url(*args):
	"""
	Usage:
	@url(r'^users$')
	def get_user_list(request):
		...
		
	@url(r'^info/$', r'^info/(.*)/$') # will match both
	@render_to('wiki.html')
	def wiki(request, title=''):
		...
	"""
	caller_filename = sys._getframe(1).f_code.co_filename
	module = None
	for m in sys.modules.values():
		if m and '__file__' in m.__dict__ and m.__file__.startswith(caller_filename):
			module = m
			break
	def _wrapper(f):
		if module:
			if 'urlpatterns' not in module.__dict__:
				module.urlpatterns = []
			for pattern in args:
				module.urlpatterns += patterns('',(pattern,f))
		return f
	return _wrapper

def include_urlpatterns(regex, module):
	"""
	Usage:
	
	# in top-level module code:
	urlpatterns = include_urlpatterns(r'^profile/', 'apps.myapp.views.profile')
	"""
	return [RegexURLResolver(regex, module)]