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exceptions.py
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exceptions.py
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##############################################################
##
## Decorator for Error Handling
##
##############################################################
import sys
import logging
import errno
from nacl.exceptions import (InvalidkeyError,
BadSignatureError,
CryptoError)
LOG = logging.getLogger(__name__)
def convert_error(func):
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except (InvalidkeyError, BadSignatureError, CryptoError) as e:
LOG.error('Converting Crypto errors')
raise ValueError('Crypt4GH Crypto Error') from e
return wrapper
def close_on_broken_pipe(func):
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except (IOError) as e:
if e.errno == errno.EPIPE:
LOG.error('Closing on Broken Pipe')
# raise ValueError(f'Crypt4GH Error: {e}') from e
return wrapper
def exit_on_invalid_passphrase(func):
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except CryptoError as e:
LOG.error('Exiting for %r', e)
print('Invalid Key or Passphrase', file=sys.stderr)
sys.exit(2)
return wrapper