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feat(gateway/signal): add support for multiple images sending
Adds a new `send_multiple_images` method to the ``BasePlatformAdapter`` that implements the default "One image per message" loop and allows for platform-specific overriding. Implements such an override for the Signal adapter, batching images and trying (best-effort) to work around rate-limits for voluminous batches using a specific scheduler. Also implements batching + rate-limit handling in the `send_message` tool. New tests added for the Signal adapter, its rate-limit scheduler and the `send_message` tool
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9 changed files with 2010 additions and 84 deletions
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@ -1505,7 +1505,64 @@ class BasePlatformAdapter(ABC):
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Default is a no-op for platforms with one-shot typing indicators.
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"""
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pass
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async def send_multiple_images(
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self,
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chat_id: str,
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images: List[Tuple[str, str]],
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metadata: Optional[Dict[str, Any]] = None,
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human_delay: float = 0.0,
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) -> None:
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"""Send a batch of images.
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Accepts ``http(s)://``, ``file://`` URIs in the first tuple
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element.
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Default implementation sends each item individually,
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routing animated GIFs through ``send_animation`` and local
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files through ``send_image_file``.
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Override in subclasses to bundle into a single native API call
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(e.g. Signal's multi-attachment RPC)
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"""
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from urllib.parse import unquote as _unquote
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for image_url, alt_text in images:
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if human_delay > 0:
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await asyncio.sleep(human_delay)
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try:
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logger.info(
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"[%s] Sending image: %s (alt=%s)",
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self.name,
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safe_url_for_log(image_url),
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alt_text[:30] if alt_text else "",
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)
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if image_url.startswith("file://"):
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img_result = await self.send_image_file(
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chat_id=chat_id,
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image_path=_unquote(image_url[7:]),
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caption=alt_text if alt_text else None,
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metadata=metadata,
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)
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elif self._is_animation_url(image_url):
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img_result = await self.send_animation(
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chat_id=chat_id,
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animation_url=image_url,
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caption=alt_text if alt_text else None,
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metadata=metadata,
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)
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else:
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img_result = await self.send_image(
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chat_id=chat_id,
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image_url=image_url,
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caption=alt_text if alt_text else None,
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metadata=metadata,
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)
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if not img_result.success:
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logger.error("[%s] Failed to send image: %s", self.name, img_result.error)
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except Exception as img_err:
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logger.error("[%s] Error sending image: %s", self.name, img_err, exc_info=True)
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async def send_image(
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self,
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chat_id: str,
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@ -2587,41 +2644,52 @@ class BasePlatformAdapter(ABC):
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# Send extracted images as native attachments
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if images:
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logger.info("[%s] Extracted %d image(s) to send as attachments", self.name, len(images))
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for image_url, alt_text in images:
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if human_delay > 0:
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await asyncio.sleep(human_delay)
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try:
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logger.info(
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"[%s] Sending image: %s (alt=%s)",
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self.name,
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safe_url_for_log(image_url),
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alt_text[:30] if alt_text else "",
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await self.send_multiple_images(
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chat_id=event.source.chat_id,
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images=images,
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metadata=_thread_metadata,
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human_delay=human_delay,
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)
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# Route animated GIFs through send_animation for proper playback
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if self._is_animation_url(image_url):
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img_result = await self.send_animation(
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chat_id=event.source.chat_id,
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animation_url=image_url,
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caption=alt_text if alt_text else None,
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metadata=_thread_metadata,
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)
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else:
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img_result = await self.send_image(
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chat_id=event.source.chat_id,
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image_url=image_url,
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caption=alt_text if alt_text else None,
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metadata=_thread_metadata,
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)
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if not img_result.success:
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logger.error("[%s] Failed to send image: %s", self.name, img_result.error)
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except Exception as img_err:
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logger.error("[%s] Error sending image: %s", self.name, img_err, exc_info=True)
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except Exception as batch_err:
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logger.warning("[%s] Error batching images: %s", self.name, batch_err, exc_info=True)
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# Send extracted media files — route by file type
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_VIDEO_EXTS = {'.mp4', '.mov', '.avi', '.mkv', '.webm', '.3gp'}
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_IMAGE_EXTS = {'.jpg', '.jpeg', '.png', '.webp', '.gif'}
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# Partition images out of media_files + local_files so they
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# can be sent as a single batch (Signal RPC)
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from urllib.parse import quote as _quote
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_image_paths: list = []
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_non_image_media: list = []
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for media_path, is_voice in media_files:
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_ext = Path(media_path).suffix.lower()
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if _ext in _IMAGE_EXTS and not is_voice:
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_image_paths.append(media_path)
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else:
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_non_image_media.append((media_path, is_voice))
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_non_image_local: list = []
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for file_path in local_files:
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if Path(file_path).suffix.lower() in _IMAGE_EXTS:
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_image_paths.append(file_path)
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else:
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_non_image_local.append(file_path)
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if _image_paths:
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try:
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_batch = [(f"file://{_quote(p)}", "") for p in _image_paths]
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await self.send_multiple_images(
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chat_id=event.source.chat_id,
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images=_batch,
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metadata=_thread_metadata,
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human_delay=human_delay,
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)
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except Exception as batch_err:
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logger.warning("[%s] Error batching images: %s", self.name, batch_err, exc_info=True)
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for media_path, is_voice in _non_image_media:
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if human_delay > 0:
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await asyncio.sleep(human_delay)
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try:
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@ -2638,12 +2706,6 @@ class BasePlatformAdapter(ABC):
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video_path=media_path,
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metadata=_thread_metadata,
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)
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elif ext in _IMAGE_EXTS:
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media_result = await self.send_image_file(
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chat_id=event.source.chat_id,
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image_path=media_path,
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metadata=_thread_metadata,
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)
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else:
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media_result = await self.send_document(
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chat_id=event.source.chat_id,
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@ -2656,19 +2718,13 @@ class BasePlatformAdapter(ABC):
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except Exception as media_err:
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logger.warning("[%s] Error sending media: %s", self.name, media_err)
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# Send auto-detected local files as native attachments
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for file_path in local_files:
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# Send auto-detected local non-image files as native attachments
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for file_path in _non_image_local:
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if human_delay > 0:
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await asyncio.sleep(human_delay)
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try:
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ext = Path(file_path).suffix.lower()
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if ext in _IMAGE_EXTS:
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await self.send_image_file(
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chat_id=event.source.chat_id,
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image_path=file_path,
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metadata=_thread_metadata,
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)
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elif ext in _VIDEO_EXTS:
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if ext in _VIDEO_EXTS:
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await self.send_video(
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chat_id=event.source.chat_id,
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video_path=file_path,
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