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# encoding: utf-8

# The MIT License

#

# Copyright (c) 2015 the bpython authors.

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

# THE SOFTWARE.

"""An example bpython repl without a nice UI for testing and to demonstrate

the methods of bpython.curtsiesrepl.repl.BaseRepl that must be overridden.

"""

from __future__ import unicode_literals, print_function, absolute_import

import time

import logging

from bpython.curtsiesfrontend.repl import BaseRepl

from bpython.curtsiesfrontend import events as bpythonevents

from bpython import translations

from bpython import importcompletion

from curtsies.configfile_keynames import keymap as key_dispatch

logger = logging.getLogger(__name__)

class SimpleRepl(BaseRepl):

def __init__(self):

self.requested_events = []

BaseRepl.__init__(self)

def _request_refresh(self):

self.requested_events.append(bpythonevents.RefreshRequestEvent())

def _schedule_refresh(self, when='now'):

if when == 'now':

self.request_refresh()

else:

dt = round(when - time.time(), 1)

self.out('please refresh in {} seconds'.format(dt))

def _request_reload(self, files_modified=('?',)):

e = bpythonevents.ReloadEvent()

e.files_modified = files_modified

self.requested_events.append(e)

self.out('please hit enter to trigger a refresh')

def request_undo(self, n=1):

self.requested_events.append(bpythonevents.UndoEvent(n=n))

def out(self, msg):

if hasattr(self, 'orig_stdout'):

self.orig_stdout.write((msg + '\n').encode('utf8'))

self.orig_stdout.flush()

else:

print(msg)

def on_suspend(self):

pass

def after_suspend(self):

self.out('please hit enter to trigger a refresh')

def print_output(self):

arr, cpos = self.paint()

arr[cpos[0]:cpos[0] + 1, cpos[1]:cpos[1] + 1] = ['~']

def print_padded(s):

return self.out(s.center(self.width + 8, 'X'))

print_padded('')

print_padded(' enter -> "/", rewind -> "\\", ')

print_padded(' reload -> "|", pastebin -> "$", ')

print_padded(' "~" is the cursor ')

print_padded('')

self.out('X``' + ('`' * (self.width + 2)) + '``X')

for line in arr:

self.out('X```' + unicode(line.ljust(self.width)) + '```X')

logger.debug('line:')

logger.debug(repr(line))

self.out('X``' + ('`' * (self.width + 2)) + '``X')

self.out('X' * (self.width + 8))

return max(len(arr) - self.height, 0)

def get_input(self):

chars = list(self.orig_stdin.readline()[:-1])

while chars or self.requested_events:

if self.requested_events:

self.process_event(self.requested_events.pop())

continue

c = chars.pop(0)

if c in '/':

c = '\n'

elif c in '\\':

c = key_dispatch[self.config.undo_key][0]

elif c in '$':

c = key_dispatch[self.config.pastebin_key][0]

elif c in '|':

c = key_dispatch[self.config.reimport_key][0]

self.process_event(c)

def main(args=None, locals_=None, banner=None):

translations.init()

while importcompletion.find_coroutine():

pass

with SimpleRepl() as r:

r.width = 50

r.height = 10

while True:

r.print_output()

r.get_input()

if __name__ == '__main__':

main()