Add --naming-strategy and --duplicate-name-suffix CLI options

[koxudaxi]

Fixes: #2042

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between 419b1c2 and d50e389.

⛔ Files ignored due to path filters (3)

• tests/data/jsonschema/naming_strategy/complex_input.json is excluded by !tests/data/**/*.json and included by none
• tests/data/jsonschema/naming_strategy/input.json is excluded by !tests/data/**/*.json and included by none
• tests/data/jsonschema/naming_strategy/primary_first_input.json is excluded by !tests/data/**/*.json and included by none

📒 Files selected for processing (23)

• docs/cli-reference/index.md
• docs/cli-reference/model-customization.md
• docs/cli-reference/quick-reference.md
• pyproject.toml
• src/datamodel_code_generator/__init__.py
• src/datamodel_code_generator/__main__.py
• src/datamodel_code_generator/arguments.py
• src/datamodel_code_generator/cli_options.py
• src/datamodel_code_generator/parser/base.py
• src/datamodel_code_generator/parser/graphql.py
• src/datamodel_code_generator/parser/jsonschema.py
• src/datamodel_code_generator/parser/openapi.py
• src/datamodel_code_generator/reference.py
• tests/data/expected/main/jsonschema/naming_strategy/complex_duplicate_suffix/output.py
• tests/data/expected/main/jsonschema/naming_strategy/complex_numbered/output.py
• tests/data/expected/main/jsonschema/naming_strategy/complex_parent_prefixed/output.py
• tests/data/expected/main/jsonschema/naming_strategy/complex_primary_first/output.py
• tests/data/expected/main/jsonschema/naming_strategy/duplicate_name_suffix/output.py
• tests/data/expected/main/jsonschema/naming_strategy/full_path/output.py
• tests/data/expected/main/jsonschema/naming_strategy/numbered/output.py
• tests/data/expected/main/jsonschema/naming_strategy/parent_prefixed/output.py
• tests/main/jsonschema/test_main_jsonschema.py
• tests/main/test_main_general.py

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feature/naming-strategy-option

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[codspeed-hq]

CodSpeed Performance Report

Merging #2761 will not alter performance

_{Comparing feature/naming-strategy-option (d50e389) with main (419b1c2)}

Summary

✅ 73 untouched
⏩ 10 skipped¹

Footnotes

1. 10 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.48%. Comparing base (419b1c2) to head (d50e389).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2761   +/-   ##
=======================================
  Coverage   99.47%   99.48%           
=======================================
  Files          85       85           
  Lines       12627    12721   +94     
  Branches     1506     1517   +11     
=======================================
+ Hits        12561    12655   +94     
  Misses         35       35           
  Partials       31       31           

Flag	Coverage Δ
unittests	99.48% <100.00%> (+<0.01%)	⬆️

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[github-actions]

Breaking Change Analysis

Result: No breaking changes detected

Reasoning: This PR adds new features without breaking existing functionality. The new --naming-strategy and --duplicate-name-suffix CLI options are purely additive. The deprecated --parent-scoped-naming flag still works with full backward compatibility - it automatically maps to --naming-strategy parent-prefixed and only emits a deprecation warning. The default naming strategy is numbered, which preserves the existing default behavior for duplicate model names (e.g., Address, Address1, Address2). The new NamingStrategy enum and generate() function parameters are optional additions to the Python API. No changes affect generated code for existing users, no template updates are required, and no error handling behavior has changed.

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This analysis was performed by Claude Code Action