Feat/file uploads

[NEFORCEO]

🚀 Description

Added file upload support (files=) at the decorator level and in the Route model. Files can now be uploaded via @app.post(files=...), @app.put(files=...), etc. Implemented by passing the files parameter through to httpx.AsyncClient.request().

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🧩 Type of Change

• feat: New feature
• fix: Bug fix
• docs: Documentation update
• refactor: Code refactoring
• ci: CI/CD changes
• chore: Maintenance

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✅ Checklist

• Tests added or updated
• Documentation updated
• No breaking changes
• Code follows project style

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🔗 Related Issues

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📸 Additional Context

Changed Files

Code:

• fasthttp/types.py — added FileContent, FileTuple, FileUpload types
• fasthttp/routing.py — files field in Route, _RouteDef; files= parameter in all Router decorators
• fasthttp/app.py — files= parameter in all FastHTTP decorators
• fasthttp/client.py — files=route.files in httpx.AsyncClient.request()

Documentation:

• docs/en/tutorial/file-uploads.md — new page (EN)
• docs/ru/tutorial/file-uploads.md — new page (RU)
• docs/en/tutorial/http-methods.md — added files row to decorator parameters table
• docs/ru/tutorial/http-methods.md — added decorator parameters table with files
• docs/en/tutorial/request-parameters.md — added "File Uploads" section
• docs/ru/tutorial/request-parameters.md — added "Загрузка файлов" section
• mkdocs.yml — added new pages to navigation

Examples:

• examples/files/ — 8 examples (simple, tuple, multiple, list, json+files, path, file object, router)

Usage

from fasthttp import FastHTTP
from fasthttp.response import Response

app = FastHTTP()

@app.post(
    url="https://httpbin.org/post",
    files={"file": ("report.csv", b"name,score\nAlice,95\n", "text/csv")},
)
async def upload(resp: Response) -> dict:
    return resp.json()

app.run()

[github-actions]

👋 Thanks for your contribution, @NEFORCEO!

Please make sure:

• Code is clean and formatted
• Tests are passing
• PR description is clear

Maintainers will review it soon.

[codspeed-hq]

Merging this PR will improve performance by 42.4%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 6 improved benchmarks
✅ 6 untouched benchmarks

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	test_response_req_text_from_json	213.2 µs	134.4 µs	+58.59%
⚡	test_response_repr	196.4 µs	131.6 µs	+49.26%
⚡	test_response_property_access	194.5 µs	131.3 µs	+48.11%
⚡	test_response_json_parsing	205.6 µs	140.9 µs	+45.94%
⚡	test_response_creation	201.3 µs	139.9 µs	+43.85%
⚡	test_middleware_after_response	403.1 µs	355.9 µs	+13.26%

Tip

Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing feat/file-uploads (98989f7) with master (6f3d441)¹}

Footnotes

1. No successful run was found on master (d5f813e) during the generation of this report, so 6f3d441 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩