# if srcStr is an expr, eval it and store any non-None result in _
codeObj = code.compile_command(srcStr, '<stdin>', 'eval')
if codeObj is None: # empty line
return
with restricted:
result = eval(codeObj, restrictedScope)
if result is not None:
print repr(result)
restrictedScope['_'] = result
except SyntaxError:
# non-expressions are just exec'd and have no effect on _
with restricted: exec codeObj in restrictedScope
srcStr = ''
else:
srcStr += '\n'
except:
try:
(exc_type, exc_value) = sys.exc_info()[:2]
traceback.print_exception(exc_type, exc_value, None)
finally:
exc_type = exc_value = None
srcStr = ''
protocol.addMessageHook('eval', evalCmd)
while True:
try:
protocol.dispatchMessage(readObject())
except:
break
import weakref as _weakref
import protocol as _protocol
_elements = _weakref.WeakValueDictionary()
def _eventHandlerHook(msg):
try:
_elements[msg['id']].triggerEvent(msg['type'])
except: pass
_protocol.addMessageHook('event', _eventHandlerHook)
class _Element(object):
_nextId = 0
def __init__(self, **kwargs):
assert self.__class__ is not _Element
self.id = _Element._nextId
self.parent = None
self.eventListeners = None
_Element._nextId += 1
_elements[self.id] = self
if self.id:
_protocol.writeObj({'msg': 'create', 'id': self.id, 'type': self.__class__.__name__})
if not kwargs.get('detached'):
_defaultContainer.children.append(self)
def __del__(self):
_protocol.writeObj({'msg': 'del', 'id': self.id})
if codeObj is None: # empty line
return
with restricted:
result = eval(codeObj, restrictedScope)
if result is not None:
print repr(result)
restrictedScope['_'] = result
except SyntaxError:
# non-expressions are just exec'd and have no effect on _
with restricted:
exec codeObj in restrictedScope
srcStr = ''
else:
srcStr += '\n'
except:
try:
(exc_type, exc_value) = sys.exc_info()[:2]
traceback.print_exception(exc_type, exc_value, None)
finally:
exc_type = exc_value = None
srcStr = ''
protocol.addMessageHook('eval', evalCmd)
while True:
try:
protocol.dispatchMessage(readObject())
except:
break
