Convert internal PromptMessage to MCP PromptMessage.
Source code in src/llmling_agent/mcp_server/conversions.py
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57 | def to_mcp_messages(
part: ModelRequestPart | ModelResponsePart,
) -> list[PromptMessage]:
"""Convert internal PromptMessage to MCP PromptMessage."""
from mcp.types import AudioContent, ImageContent, PromptMessage, TextContent
messages = []
match part:
case UserPromptPart(content=str() as c):
content = TextContent(type="text", text=c)
messages.append(PromptMessage(role="user", content=content))
case UserPromptPart(content=content_items):
for item in content_items:
match item:
case BinaryContent():
if item.is_audio:
encoded = base64.b64encode(item.data).decode("utf-8")
audio = AudioContent(
type="audio", data=encoded, mimeType=item.media_type
)
messages.append(PromptMessage(role="user", content=audio))
elif item.is_image:
encoded = base64.b64encode(item.data).decode("utf-8")
image = ImageContent(
type="image", data=encoded, mimeType=item.media_type
)
messages.append(PromptMessage(role="user", content=image))
case FileUrl(url=url):
content = TextContent(type="text", text=url)
messages.append(PromptMessage(role="user", content=content))
case SystemPromptPart(content=msg):
messages.append(
PromptMessage(role="user", content=TextContent(type="text", text=msg))
)
case TextPart(content=msg):
messages.append(
PromptMessage(
role="assistant", content=TextContent(type="text", text=msg)
)
)
return messages
|