def __read_cache()

in legacy/adobe_tools/adobe_api.py [0:0]

• 23 lines of code
• 7 McCabe index (conditional complexity)

    def __read_cache(self):
        """Read the values from the cache file."""
        cache_data = {}
        try:
            # Invalidate the cache automatically after 2 weeks, plus splay
            file_age = os.path.getmtime(self.cache_path)
            # Splay is a number of hours added to the cache invalidation time
            # It can be negative, so that clients don't all hit at once.
            splay_seconds = 60 * 60 * int(self.splay)
            two_weeks = (60 * 60 * 24 * 14)
            if time.time() - file_age < (two_weeks + splay_seconds):
                with open(self.cache_path, 'rb') as f:
                    cache_data = json.load(f)
        except (OSError, IOError, ValueError):
            # Cache doesn't exist, or is invalid
            self.user = {}
            return
        productlist = cache_data.get('productlist', [])
        if productlist:
            self.productlist = productlist
        userlist = cache_data.get('userlist', [])
        if userlist:
            self.userlist = userlist
        user_data = cache_data.get('user_data', {})
        if user_data and user_data.get(self.key) == self.username:
            self.user = user_data
        else:
            # Look through the userlist to see if we find the username.
            # If not, the result is an empty dict anyway.
            self.user = self.data()