def verify_hash(self):
"""
Computes SHA-1 hash and returns True if it matches metadata, False otherwise
:return: boolean
"""
if self.is_mtscomp:
with open(self.file_bin.with_suffix('.ch')) as fid:
mtscomp_params = json.load(fid)
sm = mtscomp_params.get('sha1_compressed', None)
if sm is None:
_logger.warning(
"SHA1 hash is not implemented for compressed ephys. To check "
"the spikeglx acquisition hash, uncompress the file first !"
)
return True
sm = sm.upper()
else:
sm = self.meta.fileSHA1
sc = hashfile.sha1(self.file_bin).upper()
if sm == sc:
log_func = _logger.info
else:
log_func = _logger.error
log_func(f"SHA1 metadata: {sm}")
log_func(f"SHA1 computed: {sc}")
return sm == sc
def test_check_ephys_file(self):
self.tdir = tempfile.TemporaryDirectory(prefix='glx_test')
self.addCleanup(self.tdir.cleanup)
bin_3b = spikeglx._mock_spikeglx_file(
Path(self.tdir.name).joinpath('sample3B_g0_t0.imec1.ap.bin'),
self.workdir / 'sample3B_g0_t0.imec1.ap.meta',
ns=32, nc=385, sync_depth=16)
self.assertEqual(hashfile.md5(bin_3b['bin_file']), "207ba1666b866a091e5bb8b26d19733f")
self.assertEqual(hashfile.sha1(bin_3b['bin_file']),
'1bf3219c35dea15409576f6764dd9152c3f8a89c')
sr = spikeglx.Reader(bin_3b['bin_file'])
self.assertTrue(sr.verify_hash())
def verify_hash(self):
"""
Computes SHA-1 hash and returns True if it matches metadata, False otherwise
:return: boolean
"""
if self.is_mtscomp:
_logger.warning(
"SHA1 hash is not implemented for compressed ephys. To check "
"the spikeglx acquisition hash, uncompress the file first !")
return True
else:
sm = self.meta.fileSHA1
sc = hashfile.sha1(self.file_bin).upper()
if sm == sc:
log_func = _logger.info
else:
log_func = _logger.error
log_func(f"SHA1 metadata: {sm}")
log_func(f"SHA1 computed: {sc}")
return sm == sc
