# 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()