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fix: command return value image_url handling for DingTalk, Slack, LINE, and Lark adapters (#1810)

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* Initial plan

* Fix command return value image_url handling for DingTalk, Slack, and LINE adapters

Co-authored-by: the-lazy-me <52873503+the-lazy-me@users.noreply.github.com>

* Refactor DingTalk image handling into helper method and add clarifying comment

Co-authored-by: the-lazy-me <52873503+the-lazy-me@users.noreply.github.com>

* Fix Lark adapter to not append empty paragraph before images

Co-authored-by: the-lazy-me <52873503+the-lazy-me@users.noreply.github.com>

* Improve Lark adapter image handling with better error logging

Co-authored-by: the-lazy-me <52873503+the-lazy-me@users.noreply.github.com>

* Fix Lark adapter to send images as separate image messages instead of embedded in post

Co-authored-by: the-lazy-me <52873503+the-lazy-me@users.noreply.github.com>

* Parse Markdown image syntax in Lark adapter and render as separate image messages

Co-authored-by: the-lazy-me <52873503+the-lazy-me@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: the-lazy-me <52873503+the-lazy-me@users.noreply.github.com>
This commit is contained in:
Copilot
2025-11-28 22:24:42 +08:00
committed by GitHub
parent cf646752c5
commit 58312deb8c
4 changed files with 264 additions and 134 deletions
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src/langbot/pkg/platform/sources/dingtalk.py
+34 -7
View File
@@ -12,17 +12,41 @@ from langbot.pkg.platform.logger import EventLogger
class DingTalkMessageConverter(abstract_platform_adapter.AbstractMessageConverter):
@staticmethod
async def yiri2target(message_chain: platform_message.MessageChain):
def _format_image_as_markdown(msg: platform_message.Image) -> str:
"""Convert an Image message to Markdown format for DingTalk."""
if msg.url:
return f'\n![image]({msg.url})\n'
elif msg.base64:
# For base64 images, try to include them as data URIs
# DingTalk may have limited support for base64 in markdown
if msg.base64.startswith('data:'):
return f'\n![image]({msg.base64})\n'
else:
return f'\n![image](data:image/png;base64,{msg.base64})\n'
return ''
@staticmethod
async def yiri2target(message_chain: platform_message.MessageChain, markdown_enabled: bool = True):
content = ''
at = False
for msg in message_chain:
if type(msg) is platform_message.At:
at = True
if type(msg) is platform_message.Plain:
elif type(msg) is platform_message.Plain:
content += msg.text
if type(msg) is platform_message.Forward:
elif type(msg) is platform_message.Image:
# DingTalk supports markdown images when markdown_card is enabled
# When markdown is disabled, images cannot be rendered in plain text mode
if markdown_enabled:
content += DingTalkMessageConverter._format_image_as_markdown(msg)
# Note: When markdown_enabled is False, images are not included
# as DingTalk plain text messages don't support image embedding
elif type(msg) is platform_message.Forward:
for node in msg.node_list:
content += (await DingTalkMessageConverter.yiri2target(node.message_chain))[0]
forwarded_content, _ = await DingTalkMessageConverter.yiri2target(
node.message_chain, markdown_enabled
)
content += forwarded_content
return content, at
@staticmethod
@@ -157,7 +181,8 @@ class DingTalkAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
)
incoming_message = event.incoming_message
content, at = await DingTalkMessageConverter.yiri2target(message)
markdown_enabled = self.config.get('markdown_card', False)
content, at = await DingTalkMessageConverter.yiri2target(message, markdown_enabled)
await self.bot.send_message(content, incoming_message, at)
async def reply_message_chunk(
@@ -178,7 +203,8 @@ class DingTalkAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
msg_seq = bot_message.msg_sequence
if (msg_seq - 1) % 8 == 0 or is_final:
content, at = await DingTalkMessageConverter.yiri2target(message)
markdown_enabled = self.config.get('markdown_card', False)
content, at = await DingTalkMessageConverter.yiri2target(message, markdown_enabled)
card_instance, card_instance_id = self.card_instance_id_dict[message_id]
if not content and bot_message.content:
@@ -191,7 +217,8 @@ class DingTalkAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
self.card_instance_id_dict.pop(message_id) # 消息回复结束之后删除卡片实例id
async def send_message(self, target_type: str, target_id: str, message: platform_message.MessageChain):
content = await DingTalkMessageConverter.yiri2target(message)
markdown_enabled = self.config.get('markdown_card', False)
content, _ = await DingTalkMessageConverter.yiri2target(message, markdown_enabled)
if target_type == 'person':
await self.bot.send_proactive_message_to_one(target_id, content)
if target_type == 'group':