urls.py

from django.conf.urls.defaults import patterns, include, url
from django.views.generic.simple import direct_to_template

from django.contrib import admin
admin.autodiscover()

"""
Basic, reusable patterns
"""
department = r'(?P<department>\w{4})'
course = department + '_(?P<number>\d{3}D?[12]?)'
page_type = '(?P<page_type>[^/]+)'
semester = '(?P<term>\w{4,6})-(?P<year>\d{4})'
page = course + '/' + page_type + '/' + semester + '/(?P<slug>[^/]+)'
sha = '(?P<hash>[a-z0-9]{1,40})'

"""
Begin mappings
"""
direct_to_view = {
	'main': {
		'': 'index',
		'login': 'login_logout',
		'recent': 'recent',
		'recent/(?P<num_days>\d+)': 'recent',
		'recent/all': 'all_recent',
		'recent/all/(?P<num_days>\d+)': 'all_recent',
		'ucp/(?P<mode>\w*)': 'ucp',
		'user/(?P<username>\w+)': 'profile',
		'search': 'search',
		'markdown': 'markdown',
		'register': 'register',
		'mathjax_cache':'mathjax_cache'
	},
	'courses': {
		'courses': 'index',
		'courses/all': 'list_all',
		'courses/faculty': 'faculty_browse',
		'courses/department': 'department_browse',
		'courses/semester': 'semester',
		'courses/professor': 'professor',
		'courses/popular': 'popular',
		'courses/random': 'random',
		'courses/active': 'active',
		'courses/search': 'search',
		course: 'overview',
		course + '/recent': 'recent',
		course + '/watch': 'watch',
		'faculty/(?P<faculty>\w+)': 'faculty_overview',
		'department/' + department: 'department_overview',
	},
	'news': {
		'news': 'main',
		'news/(?P<slug>[^/]+)': 'view',
	},
	'pages': {
		'pages/random': 'random',
		course + '/create/' + page_type: 'create',
		page: 'show',
		page + '/edit': 'edit',
		page + '/edit_inline': 'inline',
		page + '/history': 'history',
		page + '/commit/' + sha: 'commit',
	}
}

# Maps straight from about/history to the template file about/history.html
template_urls = {
	'about': ['history', 'licensing', 'platform'], # the index one is implicit
	'contributing': ['moderating', 'development', 'content', 'guidelines'],
	'help': ['copyright'],
}

urlpatterns = patterns('',
	url(r'^admin/', include(admin.site.urls)),
)

"""
Begin code for mapping the mappings
"""

for prefix, filenames in template_urls.iteritems():
	index_url = url(r'^' + prefix + '$', direct_to_template, {'template': prefix + '/index.html'})
	urls = [url(r'^' + prefix + '/' + filename + '$', direct_to_template, {'template': prefix + '/' + filename + '.html'}) for filename in filenames]
	urlpatterns += patterns('', index_url, *urls)

for prefix, mapping in direct_to_view.iteritems():
	urls = [url('^' + regex + '/?$', view) for regex, view in mapping.iteritems()]
	urlpatterns += patterns('views.' + prefix, *urls)