Add Prompty as dependency

[YusakuNo1]

Description

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• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
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Testing Guidelines

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[Copilot]

Pull Request Overview

This pull request adds Prompty support to the AI Foundry Projects SDK by incorporating a new dependency and updating samples and utility functions accordingly.

• Added a new extras dependency "prompts" in setup.py.
• Introduced two samples demonstrating the use of Prompty with both file-based and string-based prompt templates.
• Implemented utility and patch functions to integrate Prompty along with updating the SDK version and changelog.

Reviewed Changes

Copilot reviewed 8 out of 12 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
sdk/ai/azure-ai-projects/setup.py	Adds the "prompts" extras dependency to include Prompty and PyYAML.
sdk/ai/azure-ai-projects/samples/inference/sample_chat_completions_with_azure_ai_inference_client_and_prompty.py	Introduces a sample using a prompty file for chat completions.
sdk/ai/azure-ai-projects/samples/inference/sample_chat_completions_with_azure_ai_inference_client_and_prompt_string.py	Introduces a sample utilizing a prompt template string for chat completions.
sdk/ai/azure-ai-projects/azure/ai/projects/prompts/_utils.py	Provides a utility function for processing multiline strings.
sdk/ai/azure-ai-projects/azure/ai/projects/prompts/_patch.py	Implements the PromptTemplate patch and related prompt processing functionality.
sdk/ai/azure-ai-projects/azure/ai/projects/prompts/init.py	Sets up the Prompty module integration and applies the patch.
sdk/ai/azure-ai-projects/azure/ai/projects/_version.py	Updates the version from 1.0.0b8 to 1.0.0b9.
sdk/ai/azure-ai-projects/CHANGELOG.md	Updates the changelog to reflect the addition of Prompty support.

Files not reviewed (4)

• .vscode/cspell.json: Language not supported
• sdk/ai/azure-ai-projects/dev_requirements.txt: Language not supported
• sdk/ai/azure-ai-projects/samples/inference/sample1.prompty: Language not supported
• shared_requirements.txt: Language not supported

Comments suppressed due to low confidence (2)

sdk/ai/azure-ai-projects/samples/inference/sample_chat_completions_with_azure_ai_inference_client_and_prompty.py:43

• [nitpick] The variable name 'input' shadows the built-in function. Consider renaming it to 'user_input' for greater clarity.

input = "When I arrived, can I still have breakfast?"

sdk/ai/azure-ai-projects/samples/inference/sample_chat_completions_with_azure_ai_inference_client_and_prompt_string.py:59

• [nitpick] The variable name 'input' shadows the built-in function. Consider renaming it to 'user_input' to avoid confusion.

input = "When I arrived, can I still have breakfast?"

[azure-sdk]

API change check

APIView has identified API level changes in this PR and created following API reviews.

azure-ai-projects