High-level Client with Image Handling etc.

[snus-kin]

This pull request introduces a new async-enabled Athena client library for image classification, including a modular pipeline for image preprocessing, compression, batching, and classification. It also adds example usage, developer documentation, and improves test coverage reporting. The changes are grouped below by theme.

Core Athena Client Implementation:

• Added AthenaClient class with async methods for image classification, supporting context management and error handling (src/athena_client/client/athena_client.py).
• Introduced AthenaOptions dataclass for client configuration, including host, deployment, batching, and transformation options (src/athena_client/client/athena_options.py).
• Added secure channel creation utility supporting token authentication (src/athena_client/client/channel.py).
• Implemented deployment selector for listing available model deployments (src/athena_client/client/deployment_selector.py).
• Defined custom exception classes for error handling (src/athena_client/client/exceptions.py).

Async Image Processing Pipeline:

• Added abstract async transformer base class for pipeline middleware (src/athena_client/client/transformers/async_transfomer.py).
• Implemented image resizing middleware to ensure expected dimensions (src/athena_client/client/transformers/image_resizer.py).
• Added Brotli compression middleware for image data (src/athena_client/client/transformers/brotli_compressor.py).
• Created transformer for converting image bytes to classification inputs (src/athena_client/client/transformers/classification_input.py).
• Implemented request batcher for grouping classification inputs into requests (src/athena_client/client/transformers/request_batcher.py).

Documentation and Examples:

• Added an example script demonstrating async classification and usage of the client (examples/example.py).
• Expanded README.md with TODOs for async pipelines and correlation ID strategies.
• Added module docstrings and documentation for transformers and tests (src/athena_client/client/__init__.py, src/athena_client/client/transformers/__init__.py, tests/transformers/__init__.py) [1] [2] [3].

Build and Test Improvements:

• Enhanced test workflow to report coverage and post coverage comments in CI (.github/workflows/build_and_test.yml).
• Added pytest-cov to dev dependencies and updated Python dependencies for async/image processing (pyproject.toml).
• Improved dev tooling configuration for virtual environments and type checking (pyproject.toml).

Constants and Utilities:

• Added constants for expected image dimensions used by the classifier (src/athena_client/client/consts.py).

These changes collectively establish a robust, extensible async client for Athena image classification and lay the groundwork for future pipeline enhancements and developer usability.

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
src/athena_client/client
athena_client.py	111	20	82%	116–128, 235–242, 261–285, 291–292, 298–299
channel.py	85	9	89%	99–100, 105–106, 163–164, 180–182
correlation.py	20	1	95%	36
deployment_selector.py	23	3	87%	75, 91–92
src/athena_client/client/transformers
async_transformer.py	15	2	87%	38–39
request_batcher.py	76	7	91%	53, 61, 88, 104, 120, 141–142
TOTAL	501	42	92%

Tests	Skipped	Failures	Errors	Time
100	0 💤	0 ❌	0 🔥	1.925s ⏱️

[Copilot]

Pull Request Overview

This pull request introduces a comprehensive async-enabled Athena client library for image classification, featuring OAuth authentication, image processing pipeline, and streaming capabilities. The implementation provides a high-level interface while maintaining extensibility through modular components.

Key changes include:

• OAuth credential helper with automatic token refresh and secure channel creation
• Async image processing pipeline with resizing, compression, and format conversion transformers
• Comprehensive test suite with mock utilities and enhanced CI/CD coverage reporting

Reviewed Changes

Copilot reviewed 65 out of 74 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/athena_client/client/athena_client.py	Main client class with async context management and streaming classification
src/athena_client/client/channel.py	OAuth credential helper and secure channel creation utilities
src/athena_client/client/transformers/	Modular async pipeline with image resizing, compression, and batching
tests/	Comprehensive test coverage with mock utilities and timeout behavior tests
examples/	Working examples demonstrating OAuth authentication and image processing
docs/	Complete documentation with API reference, examples, and development guides

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