def __init__(self, config, locals_, banner, interp=None,

paste=None):

self.input_generator = curtsies.input.Input(

keynames='curtsies',

sigint_event=True,

paste_threshold=None)

self.window = curtsies.window.CursorAwareWindow(

sys.stdout,

sys.stdin,

keep_last_line=True,

hide_cursor=False,

extra_bytes_callback=self.input_generator.unget_bytes)

self._request_refresh = self.input_generator.event_trigger(

bpythonevents.RefreshRequestEvent)

self._schedule_refresh = self.input_generator.scheduled_event_trigger(

bpythonevents.ScheduledRefreshRequestEvent)

self._request_reload = self.input_generator.threadsafe_event_trigger(

bpythonevents.ReloadEvent)

self.interrupting_refresh = (self.input_generator

.threadsafe_event_trigger(lambda: None))

self.request_undo = self.input_generator.event_trigger(

bpythonevents.UndoEvent)

with self.input_generator:

pass # temp hack to get .original_stty

BaseRepl.__init__(self,

locals_=locals_,

config=config,

banner=banner,

interp=interp,

orig_tcattrs=self.input_generator.original_stty)

def get_term_hw(self):

return self.window.get_term_hw()

def get_cursor_vertical_diff(self):

return self.window.get_cursor_vertical_diff()

def get_top_usable_line(self):

return self.window.top_usable_row

def on_suspend(self):

self.window.__exit__(None, None, None)

self.input_generator.__exit__(None, None, None)

def after_suspend(self):

self.input_generator.__enter__()

self.window.__enter__()

self.interrupting_refresh()

def process_event_and_paint(self, e):

"""If None is passed in, just paint the screen"""

try:

if e is not None:

self.process_event(e)

except (SystemExitFromCodeRunner, SystemExit) as err:

array, cursor_pos = self.paint(

about_to_exit=True,

user_quit=isinstance(err,

SystemExitFromCodeRunner))

scrolled = self.window.render_to_terminal(array, cursor_pos)

self.scroll_offset += scrolled

raise

else:

array, cursor_pos = self.paint()

scrolled = self.window.render_to_terminal(array, cursor_pos)

self.scroll_offset += scrolled

def mainloop(self, interactive=True, paste=None):

if interactive:

# Add custom help command

# TODO: add methods to run the code

self.initialize_interp()

# run startup file

self.process_event(bpythonevents.RunStartupFileEvent())

# handle paste

if paste:

self.process_event(paste)

# do a display before waiting for first event

self.process_event_and_paint(None)

inputs = combined_events(self.input_generator)

for unused in find_iterator:

e = inputs.send(0)

if e is not None:

self.process_event_and_paint(e)

for e in inputs:

"""

translations.init()

config, options, exec_args = bpargs.parse(args, (

'curtsies options', None, [

Option('--log', '-L', action='count',

help=_("log debug messages to bpython.log")),

Option('--paste', '-p', action='store_true',

help=_("start by pasting lines of a file into session")),

]))

if options.log is None:

options.log = 0

logging_levels = [logging.ERROR, logging.INFO, logging.DEBUG]

level = logging_levels[min(len(logging_levels) - 1, options.log)]

logging.getLogger('curtsies').setLevel(level)

logging.getLogger('bpython').setLevel(level)

if options.log:

handler = logging.FileHandler(filename='bpython.log')

logging.getLogger('curtsies').addHandler(handler)

logging.getLogger('curtsies').propagate = False

logging.getLogger('bpython').addHandler(handler)

logging.getLogger('bpython').propagate = False

interp = None

paste = None

if exec_args:

if not options:

raise ValueError("don't pass in exec_args without options")

exit_value = ()

if options.paste:

paste = curtsies.events.PasteEvent()

encoding = inspection.get_encoding_file(exec_args[0])

with io.open(exec_args[0], encoding=encoding) as f:

sourcecode = f.read()

paste.events.extend(sourcecode)

else:

try:

interp = Interp(locals=locals_)

bpargs.exec_code(interp, exec_args)

except SystemExit as e:

exit_value = e.args

if not options.interactive:

return extract_exit_value(exit_value)

else:

# expected for interactive sessions (vanilla python does it)

sys.path.insert(0, '')

if not options.quiet:

print(bpargs.version_banner())

if banner is not None:

print(banner)

global repl

repl = FullCurtsiesRepl(config, locals_, welcome_message, interp, paste)

try:

with repl.input_generator:

with repl.window as win:

with repl:

repl.height, repl.width = win.t.height, win.t.width

exit_value = repl.mainloop()

except (SystemExitFromCodeRunner, SystemExit) as e:

exit_value = e.args

"""Combines consecutive keypress events into paste events."""

timeout = yield 'nonsense_event' # so send can be used immediately

queue = collections.deque()

while True:

e = event_provider.send(timeout)

if isinstance(e, curtsies.events.Event):

timeout = yield e

continue

elif e is None:

timeout = yield None

continue

else:

queue.append(e)

e = event_provider.send(0)

while not (e is None or isinstance(e, curtsies.events.Event)):

queue.append(e)

e = event_provider.send(0)

if len(queue) >= paste_threshold:

paste = curtsies.events.PasteEvent()

paste.events.extend(queue)

queue.clear()

timeout = yield paste

else:

while len(queue):