Enable URL and binary PDF for Mistral

I tried to use DocumentURLChunk as it was done for Image, but contrarily to Images where ImageUrl is exported by Mistral sdk, there is no export of DocumentUrl...

This has been properly tested with both kinds of PDFs (binary and URL)

Happy to change to [Mistral]DocumentURLChunk if you tell me how to make it work because I did not succeed...

update mistral deps

Update to use MistralDocumentUrlChunk

fix linting

added document_type

fix linting again

Update uv.lock

Author: pintaf

pydantic_ai_slim/pydantic_ai/models/mistral.py

@@ -52,6 +52,7 @@
         CompletionChunk as MistralCompletionChunk,
         Content as MistralContent,
         ContentChunk as MistralContentChunk,
+        DocumentURLChunk as MistralDocumentURLChunk,
         FunctionCall as MistralFunctionCall,
         ImageURL as MistralImageURL,
         ImageURLChunk as MistralImageURLChunk,
@@ -539,10 +540,19 @@ def _map_user_prompt(self, part: UserPromptPart) -> MistralUserMessage:
                     if item.is_image:
                         image_url = MistralImageURL(url=f'data:{item.media_type};base64,{base64_encoded}')
                         content.append(MistralImageURLChunk(image_url=image_url, type='image_url'))
+                    elif item.media_type == 'application/pdf':
+                        content.append(
+                            MistralDocumentURLChunk(
+                                document_url=f'data:application/pdf;base64,{base64_encoded}', type='document_url'
+                            )
+                        )
                     else:
-                        raise RuntimeError('Only image binary content is supported for Mistral.')
+                        raise RuntimeError('BinaryContent other than image or PDF is not supported in Mistral.')
                 elif isinstance(item, DocumentUrl):
-                    raise RuntimeError('DocumentUrl is not supported in Mistral.')  # pragma: no cover
+                    if item.media_type == 'application/pdf':
+                        content.append(MistralDocumentURLChunk(document_url=item.url, type='document_url'))
+                    else:
+                        raise RuntimeError('DocumentUrl other than PDF is not supported in Mistral.')
                 elif isinstance(item, VideoUrl):
                     raise RuntimeError('VideoUrl is not supported in Mistral.')
                 else:  # pragma: no cover

pydantic_ai_slim/pyproject.toml

@@ -68,7 +68,7 @@ vertexai = ["google-auth>=2.36.0", "requests>=2.32.2"]
 google = ["google-genai>=1.24.0"]
 anthropic = ["anthropic>=0.52.0"]
 groq = ["groq>=0.19.0"]
-mistral = ["mistralai>=1.2.5"]
+mistral = ["mistralai>=1.9.2"]
 bedrock = ["boto3>=1.37.24"]
 huggingface = ["huggingface-hub[inference]>=0.33.2"]
 # Tools