diff options
Diffstat (limited to 'lib/dfatool.py')
| -rw-r--r-- | lib/dfatool.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/dfatool.py b/lib/dfatool.py index 8b0ff09..478f800 100644 --- a/lib/dfatool.py +++ b/lib/dfatool.py @@ -11,6 +11,7 @@ from sklearn.metrics import r2_score import struct import sys import tarfile +import hashlib from multiprocessing import Pool from automata import PTA from functions import analytic @@ -495,6 +496,30 @@ class RawData: self.version = 1 break + self.set_cache_file() + self.load_cache() + + def set_cache_file(self): + cache_key = hashlib.sha256('!'.join(self.filenames).encode()).hexdigest() + self.cache_dir = os.path.dirname(self.filenames[0]) + '/cache' + self.cache_file = '{}/{}.json'.format(self.cache_dir, cache_key) + + def load_cache(self): + print('checking {}...'.format(self.cache_file)) + if os.path.exists(self.cache_file): + with open(self.cache_file, 'r') as f: + self.traces = json.load(f) + self.preprocessed = True + print('loaded cache') + + def save_cache(self): + try: + os.mkdir(self.cache_dir) + except FileExistsError: + pass + with open(self.cache_file, 'w') as f: + json.dump(self.traces, f) + def _state_is_too_short(self, online, offline, state_duration, next_transition): # We cannot control when an interrupt causes a state to be left if next_transition['plan']['level'] == 'epilogue': @@ -770,6 +795,7 @@ class RawData: elif self.version == 1: self._preprocess_01(1) self.preprocessed = True + self.save_cache() return self.traces def _preprocess_01(self, version): |