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2415446 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 | """Telegram messaging runtime."""
import asyncio
import contextlib
import os
from collections.abc import Awaitable, Callable
# Opt-in to future behavior for python-telegram-bot (retry_after as timedelta).
os.environ["PTB_TIMEDELTA"] = "1"
from loguru import logger
from free_claude_code.core.diagnostics import format_user_error_preview
from ..limiter import MessagingRateLimiter
from ..models import IncomingMessage, MessageScope
from ..rendering.telegram_markdown import escape_md_v2
from ..voice import Transcriber, VoiceCancellationResult
from .ports import InboundMessageHandler
from .telegram_inbound import (
telegram_text_message_from_update,
telegram_voice_request_from_update,
)
from .telegram_io import TelegramMessenger
from .voice_flow import VoiceNoteFlow
try:
from telegram import Update
from telegram.ext import (
Application,
CommandHandler,
ContextTypes,
MessageHandler,
filters,
)
from telegram.request import HTTPXRequest
TELEGRAM_AVAILABLE = True
except ImportError:
TELEGRAM_AVAILABLE = False
class TelegramRuntime:
"""Owns Telegram SDK lifecycle and inbound event handoff."""
name = "telegram"
def __init__(
self,
bot_token: str | None = None,
allowed_user_id: str | None = None,
*,
telegram_proxy_url: str = "",
limiter: MessagingRateLimiter,
transcriber: Transcriber | None,
log_raw_messaging_content: bool = False,
log_api_error_tracebacks: bool = False,
) -> None:
if not TELEGRAM_AVAILABLE:
raise ImportError(
"python-telegram-bot is required. Install with: pip install python-telegram-bot"
)
self.bot_token = bot_token
self.allowed_user_id = allowed_user_id
self.telegram_proxy_url = telegram_proxy_url.strip()
if not self.bot_token:
logger.warning("TELEGRAM_BOT_TOKEN not set")
self._application: Application | None = None
self._message_handler: InboundMessageHandler | None = None
self._connected = False
self._limiter = limiter
self.outbound = TelegramMessenger(
get_application=lambda: self._application,
limiter=limiter,
)
self._voice_flow = VoiceNoteFlow(
transcriber=transcriber,
log_raw_messaging_content=log_raw_messaging_content,
log_api_error_tracebacks=log_api_error_tracebacks,
)
self._log_raw_messaging_content = log_raw_messaging_content
self._log_api_error_tracebacks = log_api_error_tracebacks
async def cancel_pending_voice(
self, scope: MessageScope, reply_id: str
) -> VoiceCancellationResult | None:
"""Cancel a pending voice transcription."""
return await self._voice_flow.cancel_pending_voice(scope, reply_id)
async def cancel_all_pending_voices(
self,
) -> tuple[VoiceCancellationResult, ...]:
"""Cancel every pending voice transcription and handoff."""
return await self._voice_flow.cancel_all_pending_voices()
async def cancel_pending_voices_in_scope(
self,
scope: MessageScope,
) -> tuple[VoiceCancellationResult, ...]:
"""Cancel pending voice transcriptions belonging to one chat."""
return await self._voice_flow.cancel_pending_voices_in_scope(scope)
async def start(self) -> None:
"""Initialize and connect to Telegram."""
if not self.bot_token:
raise ValueError("TELEGRAM_BOT_TOKEN is required")
if self.telegram_proxy_url:
request = HTTPXRequest(
connection_pool_size=8,
connect_timeout=30.0,
read_timeout=30.0,
proxy=self.telegram_proxy_url,
)
update_request = HTTPXRequest(
connection_pool_size=8,
connect_timeout=30.0,
read_timeout=30.0,
proxy=self.telegram_proxy_url,
)
builder = (
Application.builder()
.token(self.bot_token)
.request(request)
.get_updates_request(update_request)
)
else:
request = HTTPXRequest(
connection_pool_size=8, connect_timeout=30.0, read_timeout=30.0
)
builder = Application.builder().token(self.bot_token).request(request)
application = builder.build()
self._application = application
application.add_handler(
MessageHandler(filters.TEXT & (~filters.COMMAND), self._on_telegram_message)
)
application.add_handler(CommandHandler("start", self._on_start_command))
application.add_handler(
MessageHandler(filters.COMMAND, self._on_telegram_message)
)
application.add_handler(MessageHandler(filters.VOICE, self._on_telegram_voice))
await self._retry_connection_step(
application.initialize,
step="initialization",
)
await application.start()
self._limiter.start()
updater = application.updater
if updater is not None:
await self._retry_connection_step(
lambda: updater.start_polling(drop_pending_updates=False),
step="polling",
)
self._connected = True
logger.info("Telegram platform started (Bot API)")
async def _retry_connection_step(
self,
operation: Callable[[], Awaitable[object]],
*,
step: str,
) -> None:
"""Retry one independently repeatable Telegram connection step."""
max_attempts = 3
for attempt in range(1, max_attempts + 1):
try:
await operation()
return
except Exception as exc:
if attempt == max_attempts:
logger.error(
"Telegram {} failed after {} attempts",
step,
max_attempts,
)
raise
wait_time = 2 * attempt
if self._log_api_error_tracebacks:
logger.warning(
"Telegram {} failed (attempt {}/{}): {}. Retrying in {}s...",
step,
attempt,
max_attempts,
exc,
wait_time,
)
else:
logger.warning(
"Telegram {} failed (attempt {}/{}): exc_type={}. Retrying in {}s...",
step,
attempt,
max_attempts,
type(exc).__name__,
wait_time,
)
await asyncio.sleep(wait_time)
async def quiesce(self) -> None:
"""Stop Telegram ingress after draining active SDK handlers."""
application = self._application
updater = application.updater if application is not None else None
try:
if updater is not None and updater.running:
await updater.stop()
finally:
try:
if application is not None and application.running:
await application.stop()
finally:
self._connected = False
async def close(self) -> None:
"""Close Telegram delivery and initialized SDK resources."""
application = self._application
try:
await self.outbound.close()
finally:
try:
await self._limiter.shutdown()
finally:
try:
if application is not None:
await application.shutdown()
finally:
logger.info("Telegram platform closed")
def on_message(self, handler: Callable[[IncomingMessage], Awaitable[None]]) -> None:
"""Register the workflow callback for inbound messages."""
self._message_handler = handler
@property
def is_connected(self) -> bool:
"""Return whether Telegram startup completed."""
return self._connected
async def _on_start_command(
self, update: Update, context: ContextTypes.DEFAULT_TYPE
) -> None:
if update.message:
await update.message.reply_text("👋 Hello! I am the Claude Code Proxy Bot.")
await self._on_telegram_message(update, context)
async def _on_telegram_message(
self, update: Update, context: ContextTypes.DEFAULT_TYPE
) -> None:
incoming = telegram_text_message_from_update(
update,
allowed_user_id=self.allowed_user_id,
log_raw_messaging_content=self._log_raw_messaging_content,
)
if incoming is None or self._message_handler is None:
return
try:
await self._message_handler(incoming)
except Exception as e:
if self._log_api_error_tracebacks:
logger.error("Error handling message: {}", e)
else:
logger.error("Error handling message: exc_type={}", type(e).__name__)
with contextlib.suppress(Exception):
await self.outbound.send_message(
incoming.chat_id,
f"❌ *{escape_md_v2('Error:')}* {escape_md_v2(format_user_error_preview(e))}",
reply_to=incoming.message_id,
message_thread_id=incoming.message_thread_id,
parse_mode="MarkdownV2",
)
async def _on_telegram_voice(
self, update: Update, context: ContextTypes.DEFAULT_TYPE
) -> None:
message = update.message
async def _reply_text(text: str) -> None:
if message is not None:
await message.reply_text(text)
if await self._voice_flow.reply_if_disabled(_reply_text):
return
request = telegram_voice_request_from_update(
update,
context,
allowed_user_id=self.allowed_user_id,
)
if request is None:
return
await self._voice_flow.handle(
request,
message_handler=self._message_handler,
queue_send_message=self.outbound.queue_send_message,
queue_delete_messages=self.outbound.queue_delete_messages,
)
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