def create(self, meta_values={}):
self.db = db.DB(self.db_path, t.profile_db_version, new_database=True)
for key in meta_values:
self.db.set_meta_value(key, meta_values[key])
self.db.set_meta_value('creation_date', time.time())
# creating empty default tables
self.db.create_table(t.profile_table_name, t.profile_table_structure,
t.profile_table_types)
self.disconnect()
self.run.info('Profile database',
'A new database, %s, has been created.' % (self.db_path),
quiet=self.quiet)
def init(self):
if os.path.exists(self.db_path):
self.db = db.DB(self.db_path, t.profile_db_version)
meta_table = self.db.get_table_as_dict('self')
self.meta = dict([(k, meta_table[k]['value']) for k in meta_table])
stats_table = self.db.get_table_as_dict('stats')
self.stats = dict([(k, int(stats_table[k]['value']))
for k in stats_table])
self.run.info('tRNA Profile database',
'An existing database, %s, has been initiated.' %
self.db_path,
quiet=self.quiet)
self.run.info('Sample name',
self.meta['sample_name'],
quiet=self.quiet)
else:
self.db = None