Method get

salt/utils/cache.py:281–295

Get a compiled regular expression object based on pattern and cache it when it is not in the cache already

(self, pattern)

                del self.cache[patterns[idx][2]]

    def get(self, pattern):
        """
        Get a compiled regular expression object based on pattern and
        cache it when it is not in the cache already
        """
        try:
            self.cache[pattern][0] += 1
            return self.cache[pattern][1]
        except KeyError:
            pass
        if len(self.cache) > self.size:
            self.sweep()
        regex = re.compile(f"{self.prepend}{pattern}{self.append}")
        self.cache[pattern] = [1, regex, pattern, time.time()]
        return regex


class ContextCache: