def cache(self, model: clgen.Model):
"""
Return sampler cache.
Parameters
----------
model : clgen.Model
CLgen model.
Returns
-------
labm8
FSCache: Cache.
"""
sampler_model_hash = crypto.sha1_str(self.hash + model.hash)
cache = clgen.mkcache("sampler", sampler_model_hash)
# validate metadata against cache
self.stats = {
"time": 0,
"progress": 0
}
meta = deepcopy(self.to_json())
if cache.get("META"):
cached_meta = jsonutil.read_file(cache["META"])
if "stats" in cached_meta:
self.stats = cached_meta["stats"]
del cached_meta["stats"]
if "created" in cached_meta["sampler"]:
del cached_meta["sampler"]["created"]
del meta["sampler"]["created"]
if "min_samples" in cached_meta["sampler"]:
del cached_meta["sampler"]["min_samples"]
del meta["sampler"]["min_samples"]
if "min_kernels" in cached_meta["sampler"]:
del cached_meta["sampler"]["min_kernels"]
del meta["sampler"]["min_kernels"]
if meta != cached_meta:
raise clgen.InternalError("sampler metadata mismatch")
else:
self._flush_meta(cache)
return cache
def from_json(corpus_json: dict) -> 'Corpus':
"""
Instantiate Corpus from JSON.
Parameters
----------
corpus_json : dict
Specification.
Returns
-------
Corpus
Insantiated corpus.
"""
path = corpus_json.pop("path", None)
uid = corpus_json.pop("id", None)
language = clgen.Language.from_str(corpus_json.get("language"))
if path:
path = unpack_directory_if_needed(fs.abspath(path))
if not fs.isdir(path):
raise clgen.UserError(
"Corpus path '{}' is not a directory".format(path))
dirhashcache = DirHashCache(clgen.cachepath("dirhash.db"), 'sha1')
uid = prof.profile(dirhashcache.dirhash, path)
elif uid:
cache_path = clgen.mkcache("contentfiles",
f"{language}-{uid}").path
if not fs.isdir(cache_path):
raise clgen.UserError(
"Corpus content {} not found".format(uid))
else:
raise clgen.UserError("No corpus path or ID provided")
if "stats" in corpus_json: # ignore stats
del corpus_json["stats"]
if "contentfiles" in corpus_json:
del corpus_json["contentfiles"]
return prof.profile(Corpus, uid, path=path, **corpus_json)
def __init__(self, contentid: str, path: str=None, **opts):
"""
Instantiate a corpus.
If this is a new corpus, a number of files will be created, which may
take some time.
Parameters
----------
contentid : str
ID of corpus content.
path : str, optional
Path to corpus.
**opts
Keyword options.
"""
# Validate options
for key in opts.keys():
if key not in DEFAULT_CORPUS_OPTS:
raise clgen.UserError(
"Unsupported corpus option '{}'. Valid keys: {}".format(
key, ','.join(sorted(DEFAULT_CORPUS_OPTS.keys()))))
self.opts = deepcopy(DEFAULT_CORPUS_OPTS)
types.update(self.opts, opts)
self.opts["id"] = contentid
# check that contentid exists
self.language = clgen.Language.from_str(opts.get("language"))
if (path is None and
not fs.isdir(clgen.cachepath("contentfiles", f"{self.language}-{contentid}"))):
raise clgen.UserError("corpus {self.language}-{contentid} not found"
.format(**vars()))
self.contentid = contentid
self.contentcache = clgen.mkcache("contentfiles", f"{self.language}-{contentid}")
self.kernels_db = self.contentcache.keypath('kernels.db')
self.hash = self._hash(contentid, self.opts)
self.cache = clgen.mkcache("corpus", f"{self.language}-{self.hash}")
log.debug("contentfiles {self.contentid}".format(**vars()))
log.debug("corpus {hash}".format(hash=self.hash))
# validate metadata against cache
self.stats = {
"preprocess_time": 0
}
meta = deepcopy(self.to_json())
if self.cache.get("META"):
cached_meta = jsonutil.read_file(self.cache["META"])
self.stats = cached_meta["stats"] # restore stats
if "created" in cached_meta:
del cached_meta["created"]
del meta["created"]
if "stats" in cached_meta:
del cached_meta["stats"]
del meta["stats"]
if meta != cached_meta:
raise clgen.InternalError("corpus metadata mismatch")
else:
self._flush_meta()
with self.lock.acquire(replace_stale=True):
self._create_files(path)
def __init__(self, corpus: clgen.Corpus, **opts):
"""
Instantiate model.
Parameters
----------
corpus : clgen.Corpus
Corpus instance.
**opts
Training options.
"""
assert(isinstance(corpus, clgen.Corpus))
def _hash(corpus: clgen.Corpus, opts: dict) -> str:
""" compute model hash """
hashopts = deepcopy(opts)
del hashopts["created"]
del hashopts["train_opts"]["epochs"]
return crypto.sha1_list(corpus.hash, *types.dict_values(hashopts))
# Validate options
for key in opts:
if key not in DEFAULT_MODEL_OPTS:
raise clgen.UserError(
"Unsupported model option '{}'. Valid keys: {}".format(
key, ','.join(sorted(DEFAULT_MODEL_OPTS.keys()))))
# set properties
self.opts = types.update(deepcopy(DEFAULT_MODEL_OPTS), opts)
self.corpus = corpus
self.hash = _hash(self.corpus, self.opts)
self.cache = clgen.mkcache("model", f"{corpus.language}-{self.hash}")
log.debug("model", self.hash)
# validate metadata against cache, and restore stats
self.stats = {
"epoch_times": [],
"epoch_costs": [],
"epoch_batches": []
}
meta = deepcopy(self.to_json())
if self.cache.get("META"):
cached_meta = jsonutil.read_file(self.cache["META"])
self.stats = cached_meta["stats"] # restore stats
if "created" in cached_meta:
del cached_meta["created"]
del meta["created"]
if "created" in cached_meta["corpus"]:
del cached_meta["corpus"]["created"]
del meta["corpus"]["created"]
if "stats" in cached_meta:
del cached_meta["stats"]
del meta["stats"]
if "epochs" in cached_meta["train_opts"]:
del cached_meta["train_opts"]["epochs"]
del meta["train_opts"]["epochs"]
if meta != cached_meta:
log.error("Computed META:", jsonutil.format_json(meta))
raise clgen.InternalError(
"metadata mismatch in model %s" % self.cache["META"])
else:
self._flush_meta()
