The Pydantic v2 Textbook on Manvendra Rajpoot https://blog.rajpoot.dev/textbooks/pydantic/ Recent content in The Pydantic v2 Textbook on Manvendra Rajpoot Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot Pydantic v2 Textbook Ch. 1 — Introduction and the v2 Mental Model https://blog.rajpoot.dev/textbooks/pydantic/01-introduction-and-mental-model/ Sat, 09 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/01-introduction-and-mental-model/ Chapter 1 — Pydantic v2 introduction: BaseModel, validation vs serialization, the v2 architecture. Pydantic v2 Textbook Ch. 2 — Fields, Types, and Constraints https://blog.rajpoot.dev/textbooks/pydantic/02-fields-types-constraints/ Sat, 09 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/02-fields-types-constraints/ Chapter 2 — Pydantic v2 fields, types, constraints, defaults, aliases. Pydantic v2 Textbook Ch. 3 — Validators in Depth https://blog.rajpoot.dev/textbooks/pydantic/03-validators/ Sat, 09 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/03-validators/ Chapter 3 — Pydantic v2 validators: field_validator, model_validator, before/after, BeforeValidator/AfterValidator. Pydantic v2 Textbook Ch. 4 — Serialization in Depth https://blog.rajpoot.dev/textbooks/pydantic/04-serialization/ Sat, 09 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/04-serialization/ Chapter 4 — Pydantic v2 serialization: model_dump, model_dump_json, custom serializers, exclude, mode. Pydantic v2 Textbook Ch. 5 — Nested Models, Generics, and Discriminated Unions https://blog.rajpoot.dev/textbooks/pydantic/05-nested-generics-unions/ Sat, 09 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/05-nested-generics-unions/ Chapter 5 — Pydantic v2: nested models, generic models, discriminated unions. Pydantic v2 Textbook Ch. 6 — Custom Types and TypeAdapter https://blog.rajpoot.dev/textbooks/pydantic/06-custom-types-typeadapter/ Sat, 09 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/06-custom-types-typeadapter/ Chapter 6 — Pydantic v2 custom types, RootModel, TypeAdapter, dataclass integration. Pydantic v2 Textbook Ch. 7 — Strict Mode and Coercion https://blog.rajpoot.dev/textbooks/pydantic/07-strict-mode-coercion/ Sat, 09 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/07-strict-mode-coercion/ Chapter 7 — Pydantic v2 strict mode, lax mode, per-field strict types, and coercion rules. Pydantic v2 Textbook Ch. 8 — JSON Schema Generation https://blog.rajpoot.dev/textbooks/pydantic/08-json-schema/ Sat, 09 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/08-json-schema/ Chapter 8 — Pydantic v2 JSON Schema generation, OpenAPI integration, custom schemas. Pydantic v2 Textbook Ch. 9 — Settings (pydantic-settings) https://blog.rajpoot.dev/textbooks/pydantic/09-settings/ Sat, 09 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/09-settings/ Chapter 9 — pydantic-settings: env vars, .env files, secrets, layered config, CLI integration. Pydantic v2 Textbook Ch. 10 — Performance, FastAPI Integration, and Alternatives https://blog.rajpoot.dev/textbooks/pydantic/10-performance-and-alternatives/ Sat, 09 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/10-performance-and-alternatives/ Chapter 10 — Pydantic performance, FastAPI integration patterns, and alternatives (msgspec, attrs).