def _run_shell(handler, module=None):
def _handler(shell, etype, evalue, traceback, tb_offset=None):
print("Sorry, {0}".format(str(evalue)))
return None
try:
from IPython.frontend.terminal.embed import InteractiveShellEmbed
import quantities as q
print("Welcome to Concert {0}".format(concert.__version__))
if module:
print(module.__doc__)
globals().update(_get_module_variables(module))
with handler.applicationbound():
shell = InteractiveShellEmbed(banner1='')
exceptions = (UnitError, LimitError, ParameterError,
ReadAccessError, WriteAccessError)
shell.set_custom_exc(exceptions, _handler)
shell()
except ImportError as exception:
msg = "You must install IPython to run the Concert shell: {0}"
print(msg.format(exception))
def init_ipython():
from IPython.config.loader import Config
from IPython.frontend.terminal.embed import InteractiveShellEmbed
try:
get_ipython
except NameError:
nested = 0
cfg = Config()
else:
print("Running nested copies of IPython.")
print("The prompts for the nested copy have been modified")
cfg = Config()
nested = 1
ipshell = InteractiveShellEmbed(
config=cfg, banner1='Stopping IO Loop and dropping to ipython')
class shell_wrapper(object):
def __init__(self):
self.user_wants_out = False
def __call__(self):
ipshell(
'Ctrl-D, quit, exit all exit interpreter and continue program\n'
'If you need to kill the program %kill',
stack_depth=3)
return self.user_wants_out
_shell_wrapper = shell_wrapper()
def kill_program(self, parameter_s=''):
_shell_wrapper.user_wants_out = True
ipshell.exit()
def really_die(self, etype, value, tb, tb_offset=None):
_shell_wrapper.user_wants_out = True
return None
ipshell.define_magic("kill", kill_program)
ipshell.confirm_exit = False
ipshell.set_custom_exc((SystemExit, ), really_die)
return _shell_wrapper
