def _require(*modules, **mapping):
"""Helper for @require decorator."""
from ipyparallel.error import UnmetDependency
from ipyparallel.serialize import uncan
user_ns = globals()
for name in modules:
try:
exec('import %s' % name, user_ns)
except ImportError:
raise UnmetDependency(name)
for name, cobj in mapping.items():
user_ns[name] = uncan(cobj, user_ns)
return True
def _require(*modules, **mapping):
"""Helper for @require decorator."""
from ipyparallel.error import UnmetDependency
from ipyparallel.serialize import uncan
user_ns = globals()
for name in modules:
try:
exec('import %s' % name, user_ns)
except ImportError:
raise UnmetDependency(name)
for name, cobj in mapping.items():
user_ns[name] = uncan(cobj, user_ns)
return True
def cancan(self, f):
"""decorator to pass through canning into self.user_ns"""
return uncan(can(f), self.user_ns)
