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client.py
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client.py
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import asyncio
import atexit
import curses
import locale
import sys
import discord
import libs.charutil as charutil
from libs.screen import Screen
class UnifiedCLIClient(discord.Client):
"""
Discordのクライアント。
"""
def __init__(self, token):
super(UnifiedCLIClient, self).__init__()
self.token = token
self.screen = Screen()
self.__connected = False
self.__logged = False
self.loop = asyncio.get_event_loop()
atexit.register(self.terminate)
async def launch(self):
self.screen.initialize()
greetings = \
" U n i f i e d C L I \n" + \
"D i s c o r d V i e w e r\n"
grt_max_width = max([len(x) for x in greetings.split("\n")])
width, height = self.screen.get_size()
self.screen.put_multiline(
(width // 2 - grt_max_width // 2, 3), greetings)
self.screen.put_x_center(6, "Logging in to Discord...")
await self.login(self.token)
self.__logged = True
self.screen.put_x_center(6, "Connecting to the Server...")
asyncio.ensure_future(self.connect())
# on_ready() 関数でこのフラグの値が変わります
while not self.__connected:
await asyncio.sleep(0.2)
self.screen.console.clear()
await self.mainloop()
def terminate(self):
if self.__logged:
self.loop.run_until_complete(self.logout())
if self.__connected:
self.loop.run_until_complete(self.close())
atexit.unregister(self.terminate)
async def on_ready(self):
self.__connected = True
async def mainloop(self):
locale.setlocale(locale.LC_ALL, "")
root_w, root_h = self.screen.get_size()
header_win = self.screen.create_window((0, 0), (root_w, 1))
read_win = self.screen.create_window((0, 1), (root_w, root_h - 4))
write_win = self.screen.create_window((0, root_h - 3), (root_w, 3))
write_win.nodelay(True)
write_win.keypad(True)
self.screen.console.clear()
self.screen.console.refresh()
inputted = ""
channels = self.get_available_channel()
sel_chn_idx = 0
while True:
# -------------------------
# Text Input
# -------------------------
# ----- Normal Input
typed = bytearray()
control_key = False
while True:
input_chr = write_win.getch()
if input_chr == curses.ERR:
break
if not (0 <= input_chr <= 256):
control_key = True
break
typed.append(input_chr)
# ---- Key Binding
if control_key:
if input_chr == curses.KEY_UP and sel_chn_idx > 0:
sel_chn_idx -= 1
elif input_chr == curses.KEY_DOWN and sel_chn_idx < len(channels) - 1:
sel_chn_idx += 1
elif input_chr == curses.KEY_BACKSPACE:
inputted = inputted[:-1]
elif len(typed) > 0:
if typed[0] in (10, 13):
if len(inputted) > 0:
asyncio.ensure_future(
channels[sel_chn_idx].send(inputted))
inputted = ""
else:
text = typed.decode()
inputted += text
# -------------------------
# Screen Update
# -------------------------
# ----- Erase
read_win.erase()
write_win.erase()
header_win.erase()
# ----- Screen Initialize Phase
write_win.border("|", "|", "-", "-")
header_win.bkgdset(" ", self.screen.get_color_pair(1))
# ----- Screen Drawing
# --- Header
header_win.addstr(0, 0, self.guilds[0].name)
# --- Textbox (ish)
cutted = charutil.right_visibility(root_w - 2, inputted)
write_win.addstr(1, 1, cutted)
write_win.addstr(0, 1, " " + channels[sel_chn_idx].name + " ", curses.A_BOLD)
if inputted != cutted:
write_win.addstr(1, 0, "<")
write_win.move(1, 1 + charutil.get_visible_len(cutted))
# --- Message
messages = self.calc_visible_message(root_w - 2, root_h - 4, pad=2)
y = 1
for message in messages:
read_win.addstr(y, 1, message.channel.name + " / " + message.author.name)
lines = charutil.get_wrapped(root_w - 2, message.content)
read_win.hline(y - 1, 0, "-", root_w)
read_win.addstr(y, 10, str(len(lines)))
for i in range(len(lines)):
read_win.addstr(y + i + 1, 1, lines[i])
y += len(lines) + 2
# ----- Screen Updating
header_win.refresh()
read_win.refresh()
write_win.refresh()
# ----- Cleaning up
await asyncio.sleep(1 / 30)
async def on_error(self, event_method, *args, **kwargs):
e = sys.exc_info()
width, height = self.screen.get_size()
self.screen.put_str((0, height - 1), e[1])
# ----- Utility Functions -----
def get_available_channel(self):
channels = self.get_all_channels()
available = filter(lambda x: isinstance(
x, discord.TextChannel), channels)
return list(available)
def calc_visible_message(self, width, height, pad=1):
"""
メッセージ表示に必要な行数を計算し、
画面に収まりきるメッセージの配列を返す。
:self width: 表示領域の横幅。
:self height: 表示領域の縦幅。
:self pad: [デフォ値=1] 計算補正値。
"""
cached_mes = list(self.cached_messages).copy()
cached_mes.reverse()
cached_mes_heights = [len(charutil.get_wrapped(width, x.content)) + pad for x in cached_mes]
height_comsum = [sum(cached_mes_heights[:i+1]) for i in range(len(cached_mes_heights))]
i = 0
for i in range(len(height_comsum) + 1):
if len(height_comsum) == i or height_comsum[i] > height:
break
return cached_mes[: i][:: -1]