def _get_explicit_connections(self):
"""
Returns
-------
dict
Explicit connections in this `Group`, represented as a mapping
from the pathname of the target to the pathname of the source.
"""
connections = {}
for sub in self.subgroups():
connections.update(sub._get_explicit_connections())
for tgt, srcs in self._src.items():
for src in srcs:
try:
src_pathnames = get_absvarpathnames(src, self._unknowns_dict, 'unknowns')
except KeyError as error:
try:
src_pathnames = get_absvarpathnames(src, self._params_dict, 'params')
except KeyError as error:
raise ConnectError.nonexistent_src_error(src, tgt)
try:
for tgt_pathname in get_absvarpathnames(tgt, self._params_dict, 'params'):
connections.setdefault(tgt_pathname, []).extend(src_pathnames)
except KeyError as error:
try:
get_absvarpathnames(tgt, self._unknowns_dict, 'unknowns')
except KeyError as error:
raise ConnectError.nonexistent_target_error(src, tgt)
else:
raise ConnectError.invalid_target_error(src, tgt)
return connections
def _get_explicit_connections(self):
"""
Returns
-------
dict
Explicit connections in this `Group`, represented as a mapping
from the pathname of the target to the pathname of the source.
"""
connections = {}
for sub in self.subgroups():
connections.update(sub._get_explicit_connections())
for tgt, srcs in self._src.items():
for src in srcs:
try:
src_pathnames = get_absvarpathnames(src, self._unknowns_dict, 'unknowns')
except KeyError as error:
try:
# if src is a param, it must use scoped absolute naming, so convert to top
# level absolute name for lookup in params_dict
s = self._get_var_pathname(src)
# verify that src is actually in self._params_dict
self._params_dict[s]
src_pathnames = [s]
except KeyError as error:
raise ConnectError.nonexistent_src_error(src, tgt)
try:
for tgt_pathname in get_absvarpathnames(tgt, self._params_dict, 'params'):
connections.setdefault(tgt_pathname, []).extend(src_pathnames)
except KeyError as error:
try:
get_absvarpathnames(tgt, self._unknowns_dict, 'unknowns')
except KeyError as error:
raise ConnectError.nonexistent_target_error(src, tgt)
else:
raise ConnectError.invalid_target_error(src, tgt)
return connections
