Mercurial > mamba
view mamba/habitats/userlevelmenu.py @ 335:b0ac80c7db04
Cache online levels.
author | Simon Cross <hodgestar@gmail.com> |
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date | Fri, 16 Sep 2011 21:33:16 +0200 |
parents | 387b901bb462 |
children | 3ec7acdf3065 |
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"""Level menu.""" from mamba.habitats.levelmenu import LevelMenu from mamba.level import Level import urllib2 class UserLevelMenu(LevelMenu): LEVEL_SERVER_URL = "http://localhost:5000/" TIMEOUT = 5.0 # in seconds CACHE = {} @classmethod def _url_data(cls, route): url = "%s%s" % (cls.LEVEL_SERVER_URL, route) return urllib2.urlopen(url, timeout=cls.TIMEOUT).read() @classmethod def _populate_cache(cls): try: data = cls._url_data("index") except: print "Failed to download online level index." return levels = [x.strip() for x in data.splitlines()] for name in levels: try: source = cls._url_data("level/%s" % name) level = Level(name, source) except: print "Failed to download online level %r" % level continue cls.CACHE[level] = level def list_levels(self): if not self.CACHE: self._populate_cache() return self.CACHE.keys() def get_level(self, name): return self.CACHE[name]