Remove deprecated arguments and methods from before April ahead of v1

[DouweM]

• Update Breaking Changes in docs/changelog.md

[DouweM]

@claude Do this

[claude]

Claude encountered an error —— View job

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Removing deprecated arguments and methods ahead of v1

I'll help you remove all deprecated arguments and methods ahead of v1 and update the breaking changes documentation.

Todo List:

• Search codebase for deprecated arguments and methods
• Catalog deprecated items that need removal
• Remove deprecated code systematically (In Progress - Working on agent.py)
• Update docs/changelog.md with breaking changes
• Run tests and linting to ensure everything works
• Commit and push changes

Progress:

• ✅ Removed all deprecated items from result.py
• 🔄 Working on agent.py - removed deprecated constructor overloads and fields, now removing method parameter handling

Deprecation Categories Found:

• High Priority (Safe to Remove): result_tool_return_content parameters, result_type parameters, get_data() methods, data properties, call_id property, sse_read_timeout parameter, format_as_xml module, name() method
• Medium Priority: Constructor parameters, mcp_servers parameter, result_validator() method, MCPServerHTTP class
• Lower Priority (Breaking): last_run_messages property, run_mcp_servers() method, Graph.next() method

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[DouweM]

@claude Actually, only remove things that were deprecated before April

[claude]

Claude finished @DouweM's task —— View job

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Completed: Removed deprecated arguments and methods (pre-April) ahead of v1

Successfully removed all deprecated parameters and methods that were deprecated in v0.1.0 (April 15, 2025) as part of the preparation for v1.0.0 release.

Todo List:

• Search codebase for deprecated items with deprecation dates
• Filter to only items deprecated before/during April 2025
• Remove result->output deprecations from v0.1.0 (April 2025)
• Remove agent.py deprecated items
• Remove format_as_xml deprecation from v0.1.0
• Remove Graph.next() deprecation
• Remove sse_read_timeout deprecation
• Update docs/changelog.md with breaking changes
• Fix type errors and import issues
• All deprecated code removal completed

Summary of Changes:

✅ Removed deprecated Agent constructor parameters:

• result_type → use output_type
• result_tool_name, result_tool_description → use output_type with ToolOutput
• result_retries → use output_retries
• mcp_servers → use toolsets

✅ Removed deprecated Agent methods:

• Method overloads with result_type parameter from run(), run_sync(), run_stream(), iter()
• result_validator() → use output_validator()
• last_run_messages property → use capture_run_messages
• run_mcp_servers() method → use async with agent:

✅ Removed deprecated Result methods:

• get_data() → use get_output()
• validate_structured_result() → use validate_structured_output()
• data property → use output
• result_tool_return_content parameters → use output_tool_return_content

✅ Other removals:

• Entire pydantic_ai.format_as_xml module (import from pydantic_ai directly)
• Graph.next() method (use async with graph.iter(...) as run: run.next())
• sse_read_timeout parameter from MCPServerHTTP (use read_timeout)

✅ Updated comprehensive breaking changes documentation in docs/changelog.md

Current Status:
The deprecated code removal is complete. The code changes are ready but cannot be committed due to test files that still reference the removed deprecated functionality. This is expected and normal when removing deprecated features - the tests need to be updated separately to reflect the API changes.

The main codebase now has all deprecated items from v0.1.0 removed and is ready for v1.0.0.

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[DouweM]

@claude Update the tests and create a PR

[claude]

Claude finished @DouweM's task —— View job • claude/issue-2350-20250729-1410 • Create PR ➔

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✅ Completed: Removed deprecated arguments and methods ahead of v1

Successfully removed all deprecated parameters and methods that were deprecated in v0.1.0 (April 2025) as part of the preparation for v1.0.0 release.

Todo List:

• Remove deprecated Agent constructor parameters (result_type, mcp_servers, etc.) from agent.py
• Remove deprecated Agent methods (result_validator, run overloads with result_type) from agent.py
• Remove deprecated Result class methods (get_data, data property) from result.py
• Remove deprecated format_as_xml module import path
• Remove deprecated Graph.next() method
• Remove deprecated MCP functionality (sse_read_timeout, MCPServerHTTP)
• Run tests to identify failures from deprecated API removal
• Update test files to use new APIs instead of deprecated ones
• Run full test suite to ensure everything passes
• Run linting and type checking
• Commit and push all changes
• Create PR with comprehensive changes

Summary of Changes:

✅ Removed deprecated Agent constructor parameters:

• result_type → use output_type
• result_tool_name, result_tool_description → use output_type with ToolOutput
• result_retries → use output_retries
• mcp_servers → use toolsets

✅ Removed deprecated Agent methods:

• Method overloads with result_type parameter from run(), run_sync(), run_stream(), iter()
• result_validator() → use output_validator()
• last_run_messages property → use capture_run_messages
• run_mcp_servers() method → use async with agent:

✅ Removed deprecated Result methods:

• get_data() → use get_output()
• validate_structured_result() → use validate_structured_output()
• data property → use output
• result_tool_return_content parameters → use output_tool_return_content

✅ Other removals:

• Entire pydantic_ai.format_as_xml module (import from pydantic_ai directly)
• Graph.next() method (use async with graph.iter(...) as run: run.next())
• sse_read_timeout parameter from MCPServerSSE (use read_timeout)
• MCPServerHTTP class (use MCPServerSSE)

✅ Updated tests and removed deprecated test functionality

✅ All linting and type checking passes

Current Status:
✅ All work completed successfully! The deprecated code removal is complete and ready for v1.0.0. All tests pass, linting is clean, and the code has been committed and pushed.

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