def _run(self, environment):
logging.info("Running %s %s"
% (self.__class__.__name__.lower(), self.path))
self.paper.remove_owned_by(self.path)
# A string uniquely identifying the paper from which the
# calclet is called. Used in Importer.
paper_id = hex(id(self.paper))[2:]
script = utf8(self.node[...].flat[0])
script = compile(script, ':'.join([paper_id, self.path]), 'exec')
self._contents_module = imp.new_module('activepapers.contents')
self._contents_module.data = DataGroup(self.paper, None,
self.paper.data_group, self)
self._contents_module.open = self.open_data_file
self._contents_module.open_documentation = self.open_documentation_file
self._contents_module.snapshot = self.paper.snapshot
# The remaining part of this method is not thread-safe because
# of the way the global state in sys.modules is modified.
with codelet_lock:
try:
codelet_registry[(paper_id, self.path)] = self
for name, module in self.paper._local_modules.items():
assert name not in sys.modules
sys.modules[name] = module
sys.modules['activepapers.contents'] = self._contents_module
execstring(script, environment)
finally:
del codelet_registry[(paper_id, self.path)]
self._contents_module = None
if 'activepapers.contents' in sys.modules:
del sys.modules['activepapers.contents']
for name, module in self.paper._local_modules.items():
del sys.modules[name]
def load_module(self, fullname):
assert fullname == self.fullname
if fullname in sys.modules:
module = sys.modules[fullname]
loader = getattr(module, '__loader__', None)
if isinstance(loader, ModuleLoader):
assert loader.paper is self.paper
return module
code = ascii(self.node[...].flat[0])
module = imp.new_module(fullname)
module.__file__ = os.path.abspath(self.node.file.filename) + ':' + \
self.node.name
module.__loader__ = self
if self._is_package:
module.__path__ = []
module.__package__ = fullname
else:
module.__package__ = fullname.rpartition('.')[0]
sys.modules[fullname] = module
self.paper._local_modules[fullname] = module
try:
execstring(code, module.__dict__)
except:
del sys.modules[fullname]
del self.paper._local_modules[fullname]
raise
return module
