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simplerepl.py
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133 lines (109 loc) · 4.44 KB
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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()