diff options
| -rw-r--r-- | morphlib/cachekeycomputer.py | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/morphlib/cachekeycomputer.py b/morphlib/cachekeycomputer.py index 3efe1cbb..ca374436 100644 --- a/morphlib/cachekeycomputer.py +++ b/morphlib/cachekeycomputer.py @@ -25,6 +25,7 @@ class CacheKeyComputer(object): def __init__(self, build_env): self._build_env = build_env self._calculated = {} + self._hashed = {} def _filterenv(self, env): keys = ["LOGNAME", "MORPH_ARCH", "TARGET", "TARGET_STAGE1", @@ -32,11 +33,18 @@ class CacheKeyComputer(object): return dict([(k, env[k]) for k in keys]) def compute_key(self, artifact): - logging.debug('computing cache key for artifact %s from source ' - 'repo %s, sha1 %s, filename %s' % - (artifact.name, artifact.source.repo_name, - artifact.source.sha1, artifact.source.filename)) - return self._hash_id(self.get_cache_id(artifact)) + try: + ret = self._hashed[artifact] + logging.debug('returning cached key for artifact %s from source ', + (artifact.name, artifact.source.repo_name, + artifact.source.sha1, artifact.source.filename)) + return ret + except KeyError: + logging.debug('computing cache key for artifact %s from source ', + (artifact.name, artifact.source.repo_name, + artifact.source.sha1, artifact.source.filename)) + self._hashed[artifact] = self._hash_id(self.get_cache_id(artifact)) + return self._hashed[artifact] def _hash_id(self, cache_id): sha = hashlib.sha256() @@ -66,13 +74,18 @@ class CacheKeyComputer(object): self._hash_thing(sha, item) def get_cache_id(self, artifact): - logging.debug('computing cache id for artifact %s from source ' - 'repo %s, sha1 %s, filename %s' % - (artifact.name, artifact.source.repo_name, - artifact.source.sha1, artifact.source.filename)) try: - return self._calculated[artifact] + ret = self._calculated[artifact] + logging.debug('returning cached id for artifact %s from source ' + 'repo %s, sha1 %s, filename %s' % + (artifact.name, artifact.source.repo_name, + artifact.source.sha1, artifact.source.filename)) + return ret except KeyError: + logging.debug('computing cache id for artifact %s from source ' + 'repo %s, sha1 %s, filename %s' % + (artifact.name, artifact.source.repo_name, + artifact.source.sha1, artifact.source.filename)) cacheid = self._calculate(artifact) self._calculated[artifact] = cacheid return cacheid |