diff options
Diffstat (limited to 'pyeclib/core.py')
| -rw-r--r-- | pyeclib/core.py | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/pyeclib/core.py b/pyeclib/core.py index a0174e1..c7e38df 100644 --- a/pyeclib/core.py +++ b/pyeclib/core.py @@ -64,7 +64,7 @@ class ECPyECLibDriver(object): return pyeclib_c.encode(self.handle, data_bytes) def _validate_and_return_fragment_size(self, fragments): - if len(fragments) > 0 and len(fragments[0]) == 0: + if len(fragments) == 0 or len(fragments[0]) == 0: return -1 fragment_len = len(fragments[0]) for fragment in fragments[1:]: @@ -74,28 +74,29 @@ class ECPyECLibDriver(object): def decode(self, fragment_payloads, ranges=None, force_metadata_checks=False): + _fragment_payloads = list(fragment_payloads) fragment_len = self._validate_and_return_fragment_size( - fragment_payloads) + _fragment_payloads) if fragment_len < 0: raise ECDriverError( "Invalid fragment payload in ECPyECLibDriver.decode") - if len(fragment_payloads) < self.k: + if len(_fragment_payloads) < self.k: raise ECInsufficientFragments( "Not enough fragments given in ECPyECLibDriver.decode") - return pyeclib_c.decode(self.handle, fragment_payloads, fragment_len, - ranges, force_metadata_checks) + return pyeclib_c.decode(self.handle, _fragment_payloads, + fragment_len, ranges, force_metadata_checks) def reconstruct(self, fragment_payloads, indexes_to_reconstruct): + _fragment_payloads = list(fragment_payloads) fragment_len = self._validate_and_return_fragment_size( - fragment_payloads) + _fragment_payloads) if fragment_len < 0: raise ECDriverError( "Invalid fragment payload in ECPyECLibDriver.reconstruct") reconstructed_data = [] - _fragment_payloads = fragment_payloads[:] # Reconstruct the data, then the parity # The parity cannot be reconstructed until |