def get_random_public_images():
"""
This will return a list of 5 random images that are from public sources only.
These will be displayed on the front page to be seen in all their glory
"""
public_sources_list = Source.get_public_sources()
# return empty list if no public sources
if len(public_sources_list) == 0:
return public_sources_list
random_source_list = []
random_image_list = []
# get 5 random public sources
for i in range(5):
random_source = choice(public_sources_list)
random_source_list.append(random_source)
# get a random image from each randomly chosen public source
for source in random_source_list:
all_images = source.get_all_images()
if len(all_images) == 0:
continue
random_image = choice(all_images)
random_image_list.append(random_image)
return random_image_list
def source_about(request):
"""
Page that explains what Sources are and how to use them.
"""
if request.user.is_authenticated():
if Source.get_sources_of_user(request.user):
user_status = 'has_sources'
else:
user_status = 'no_sources'
else:
user_status = 'anonymous'
return render_to_response('images/source_about.html', {
'user_status': user_status,
'public_sources': Source.get_public_sources(),
},
context_instance=RequestContext(request)
)
