def op_flag_encoder(op):
import importlib
spec = op.opdef.flag_encoder
if not spec:
return None
parts = spec.split(":")
if len(parts) != 2:
log.warning("invalid flag decoder %r - must be MODULE:FUNCTION", spec)
return None
mod_name, fun_name = parts
try:
mod = importlib.import_module(mod_name)
except Exception as e:
if log.getEffectiveLevel() <= logging.DEBUG:
log.exception("importing %s", mod_name)
else:
log.warning("cannot load flag decoder %r: %s", spec, e)
return None
fun = getattr(mod, fun_name, None)
if fun is None:
log.warning(
"cannot load flag decoder %r: no such attribute in %s", spec, mod_name
)
return None
return fun
def _real_hostname():
import socket
try:
return socket.gethostname()
except Exception:
if log.getEffectiveLevel() <= logging.DEBUG:
log.exception("socket.gethostname()")
return ""
def _handle_twine_error(e):
if os.getenv("DEBUG"):
log.exception("twine error")
try:
msg = e.message
except AttributeError:
msg = str(e)
_exit(msg)
def _try_copy_file(src, dest):
try:
shutil.copyfile(src, dest)
except (IOError, OSError) as e:
# This is not an error we want to stop an operation for. Log
# and continue.
if log.getEffectiveLevel() <= logging.DEBUG:
log.exception("copy %s to %s", src, dest)
else:
log.warning("could not copy source code file %s: %s", src, e)
