mirror of
https://github.com/element-hq/synapse.git
synced 2024-12-14 11:57:44 +00:00
Remove unused contrib/experiments/cursesio.py (#12910)
This commit is contained in:
David Robertson
GitHub
parent
80bd614dac
commit
119938792b
2 changed files with 1 additions and 165 deletions
1
changelog.d/12910.removal
Normal file
1
changelog.d/12910.removal
Normal file
|
|
@ -0,0 +1 @@
|
|||
Remove unused `contrib/experiements/cursesio.py` script, which fails to run under Python 3.
|
||||
|
|
@ -1,165 +0,0 @@
|
|||
# Copyright 2014-2016 OpenMarket Ltd
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
import curses
|
||||
import curses.wrapper
|
||||
from curses.ascii import isprint
|
||||
|
||||
from twisted.internet import reactor
|
||||
|
||||
|
||||
class CursesStdIO:
|
||||
def __init__(self, stdscr, callback=None):
|
||||
self.statusText = "Synapse test app -"
|
||||
self.searchText = ""
|
||||
self.stdscr = stdscr
|
||||
|
||||
self.logLine = ""
|
||||
|
||||
self.callback = callback
|
||||
|
||||
self._setup()
|
||||
|
||||
def _setup(self):
|
||||
self.stdscr.nodelay(1) # Make non blocking
|
||||
|
||||
self.rows, self.cols = self.stdscr.getmaxyx()
|
||||
self.lines = []
|
||||
|
||||
curses.use_default_colors()
|
||||
|
||||
self.paintStatus(self.statusText)
|
||||
self.stdscr.refresh()
|
||||
|
||||
def set_callback(self, callback):
|
||||
self.callback = callback
|
||||
|
||||
def fileno(self):
|
||||
"""We want to select on FD 0"""
|
||||
return 0
|
||||
|
||||
def connectionLost(self, reason):
|
||||
self.close()
|
||||
|
||||
def print_line(self, text):
|
||||
"""add a line to the internal list of lines"""
|
||||
|
||||
self.lines.append(text)
|
||||
self.redraw()
|
||||
|
||||
def print_log(self, text):
|
||||
self.logLine = text
|
||||
self.redraw()
|
||||
|
||||
def redraw(self):
|
||||
"""method for redisplaying lines based on internal list of lines"""
|
||||
|
||||
self.stdscr.clear()
|
||||
self.paintStatus(self.statusText)
|
||||
i = 0
|
||||
index = len(self.lines) - 1
|
||||
while i < (self.rows - 3) and index >= 0:
|
||||
self.stdscr.addstr(self.rows - 3 - i, 0, self.lines[index], curses.A_NORMAL)
|
||||
i = i + 1
|
||||
index = index - 1
|
||||
|
||||
self.printLogLine(self.logLine)
|
||||
|
||||
self.stdscr.refresh()
|
||||
|
||||
def paintStatus(self, text):
|
||||
if len(text) > self.cols:
|
||||
raise RuntimeError("TextTooLongError")
|
||||
|
||||
self.stdscr.addstr(
|
||||
self.rows - 2, 0, text + " " * (self.cols - len(text)), curses.A_STANDOUT
|
||||
)
|
||||
|
||||
def printLogLine(self, text):
|
||||
self.stdscr.addstr(
|
||||
0, 0, text + " " * (self.cols - len(text)), curses.A_STANDOUT
|
||||
)
|
||||
|
||||
def doRead(self):
|
||||
"""Input is ready!"""
|
||||
curses.noecho()
|
||||
c = self.stdscr.getch() # read a character
|
||||
|
||||
if c == curses.KEY_BACKSPACE:
|
||||
self.searchText = self.searchText[:-1]
|
||||
|
||||
elif c == curses.KEY_ENTER or c == 10:
|
||||
text = self.searchText
|
||||
self.searchText = ""
|
||||
|
||||
self.print_line(">> %s" % text)
|
||||
|
||||
try:
|
||||
if self.callback:
|
||||
self.callback.on_line(text)
|
||||
except Exception as e:
|
||||
self.print_line(str(e))
|
||||
|
||||
self.stdscr.refresh()
|
||||
|
||||
elif isprint(c):
|
||||
if len(self.searchText) == self.cols - 2:
|
||||
return
|
||||
self.searchText = self.searchText + chr(c)
|
||||
|
||||
self.stdscr.addstr(
|
||||
self.rows - 1,
|
||||
0,
|
||||
self.searchText + (" " * (self.cols - len(self.searchText) - 2)),
|
||||
)
|
||||
|
||||
self.paintStatus(self.statusText + " %d" % len(self.searchText))
|
||||
self.stdscr.move(self.rows - 1, len(self.searchText))
|
||||
self.stdscr.refresh()
|
||||
|
||||
def logPrefix(self):
|
||||
return "CursesStdIO"
|
||||
|
||||
def close(self):
|
||||
"""clean up"""
|
||||
|
||||
curses.nocbreak()
|
||||
self.stdscr.keypad(0)
|
||||
curses.echo()
|
||||
curses.endwin()
|
||||
|
||||
|
||||
class Callback:
|
||||
def __init__(self, stdio):
|
||||
self.stdio = stdio
|
||||
|
||||
def on_line(self, text):
|
||||
self.stdio.print_line(text)
|
||||
|
||||
|
||||
def main(stdscr):
|
||||
screen = CursesStdIO(stdscr) # create Screen object
|
||||
|
||||
callback = Callback(screen)
|
||||
|
||||
screen.set_callback(callback)
|
||||
|
||||
stdscr.refresh()
|
||||
reactor.addReader(screen)
|
||||
reactor.run()
|
||||
screen.close()
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
curses.wrapper(main)
|
||||
Loading…
Reference in a new issue