def get_page(dir, file):
filename = (file)
if filename in cache:
return cache[filename]
path = os.path.abspath(os.path.join(os.path.dirname(__file__), dir, filename))
try:
file_contents = open(path, encoding='utf-8').read()
except:
return None
data, text = file_contents.split('--\n', 1)
page = yaml.load(data)
page['content'] = Markup(Markup.markdown(text))
page['path'] = file
cache[filename] = page
return page
