docs: remove pydantic v1 references (#3030)

* docs: remove pydantic v1 references

* docs: clarify profile example naming

* docs: update CLI reference documentation and prompt data

🤖 Generated by GitHub Actions

* docs: address review feedback on v1 removal

* docs: list pydantic dataclass in openapi outputs

* docs: sync llms output for openapi docs

* docs: fix cli doc summary generation

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: koxudaxi

README.md

@@ -8,7 +8,6 @@
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/datamodel-code-generator)](https://pypi.python.org/pypi/datamodel-code-generator)
 [![codecov](https://codecov.io/gh/koxudaxi/datamodel-code-generator/graph/badge.svg?token=plzSSFb9Li)](https://codecov.io/gh/koxudaxi/datamodel-code-generator)
 ![license](https://img.shields.io/github/license/koxudaxi/datamodel-code-generator.svg)
-[![Pydantic v1](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/pydantic/pydantic/main/docs/badge/v1.json)](https://pydantic.dev)
 [![Pydantic v2](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/pydantic/pydantic/main/docs/badge/v2.json)](https://pydantic.dev)
 
 > 📣 💼 Maintainer update: Open to opportunities. 🔗 [koxudaxi.dev](https://koxudaxi.dev/?utm_source=github_readme&utm_medium=top&utm_campaign=open_to_work)
@@ -17,7 +16,7 @@
 
 - 📄 Converts **OpenAPI 3**, **JSON Schema**, **GraphQL**, and raw data (JSON/YAML/CSV) into Python models
 - 🐍 Generates from **existing Python types** (Pydantic, dataclass, TypedDict) via `--input-model`
-- 🎯 Generates **Pydantic v1/v2**, **dataclasses**, **TypedDict**, or **msgspec** output
+- 🎯 Generates **Pydantic v2**, **Pydantic v2 dataclass**, **dataclasses**, **TypedDict**, or **msgspec** output
 - 🔗 Handles complex schemas: `$ref`, `allOf`, `oneOf`, `anyOf`, enums, and nested types
 - ✅ Produces type-safe, validated code ready for your IDE and type checker
 
@@ -161,7 +160,6 @@ class Pet(BaseModel):
 
 ## 📤 Supported Output
 
-- [pydantic v1](https://docs.pydantic.dev/1.10/) BaseModel
 - [pydantic v2](https://docs.pydantic.dev/) BaseModel
 - [pydantic v2](https://docs.pydantic.dev/) dataclass
 - [dataclasses](https://docs.python.org/3/library/dataclasses.html)

action.yml

@@ -15,7 +15,7 @@ inputs:
     description: 'Input file type (openapi, jsonschema, json, yaml, csv, graphql)'
     required: true
   output-model-type:
-    description: 'Output model type (pydantic_v2.BaseModel, pydantic.BaseModel, dataclasses.dataclass, typing.TypedDict, msgspec.Struct)'
+    description: 'Output model type (pydantic_v2.BaseModel, pydantic_v2.dataclass, dataclasses.dataclass, typing.TypedDict, msgspec.Struct)'
     required: true
   check:
     description: 'Validate that existing output is up to date (no generation)'

docs/ci-cd.md

@@ -33,7 +33,7 @@ By default, the action runs in **check mode** (`--check`), which validates that
 | `input` | Yes | - | Input schema file or directory |
 | `output` | Yes | - | Output file or directory |
 | `input-file-type` | Yes | - | Input file type (`openapi`, `jsonschema`, `json`, `yaml`, `csv`, `graphql`) |
-| `output-model-type` | Yes | - | Output model type (`pydantic_v2.BaseModel`, `pydantic.BaseModel`, `dataclasses.dataclass`, `typing.TypedDict`, `msgspec.Struct`) |
+| `output-model-type` | Yes | - | Output model type (`pydantic_v2.BaseModel`, `pydantic_v2.dataclass`, `dataclasses.dataclass`, `typing.TypedDict`, `msgspec.Struct`) |
 | `check` | No | `true` | Validate that existing output is up to date (no generation) |
 | `working-directory` | No | `.` | Working directory (where `pyproject.toml` is located) |
 | `profile` | No | - | Named profile from `pyproject.toml` |

docs/cli-reference/base-options.md

@@ -747,4 +747,3 @@ Format: `HeaderName:HeaderValue`.
     ```
 
 ---
-

docs/cli-reference/field-customization.md

@@ -3717,4 +3717,3 @@ This is useful when schemas have descriptive titles that should be preserved.
     ```
 
 ---
-

docs/cli-reference/general-options.md

@@ -2038,4 +2038,3 @@ the generator waits the specified time before regenerating.
     ```
 
 ---
-

docs/cli-reference/graphql-only-options.md

@@ -88,4 +88,3 @@ don't expect this field in input data.
     ```
 
 ---
-

docs/cli-reference/manual/profile.md

@@ -27,9 +27,9 @@ file. Each profile can override the default settings with its own set of options
     strict-types = ["str", "int", "float", "bool"]
     strict-nullable = true
 
-    [tool.datamodel-codegen.profiles.legacy]
-    # Legacy profile for Pydantic v1
-    output-model-type = "pydantic.BaseModel"
+    [tool.datamodel-codegen.profiles.dataclass]
+    # Dataclass profile
+    output-model-type = "dataclasses.dataclass"
     ```
 
     Use profiles:
@@ -38,6 +38,6 @@ file. Each profile can override the default settings with its own set of options
     # Use the strict profile
     datamodel-codegen --input schema.json --profile strict
 
-    # Use the legacy profile
-    datamodel-codegen --input schema.json --profile legacy
+    # Use the dataclass profile
+    datamodel-codegen --input schema.json --profile dataclass
     ```

docs/cli-reference/model-customization.md

@@ -15,7 +15,7 @@
 | [`--collapse-reuse-models`](#collapse-reuse-models) | Collapse duplicate models by replacing references instead of... |
 | [`--collapse-root-models`](#collapse-root-models) | Inline root model definitions instead of creating separate w... |
 | [`--collapse-root-models-name-strategy`](#collapse-root-models-name-strategy) | Select which name to keep when collapsing root models with o... |
-| [`--dataclass-arguments`](#dataclass-arguments) | Customize dataclass decorator arguments via JSON dictionary.... |
+| [`--dataclass-arguments`](#dataclass-arguments) | Customize dataclass decorator arguments via JSON dictionary. |
 | [`--duplicate-name-suffix`](#duplicate-name-suffix) | Customize suffix for duplicate model names. |
 | [`--enable-faux-immutability`](#enable-faux-immutability) | Enable faux immutability in Pydantic models (frozen=True). |
 | [`--force-optional`](#force-optional) | Force all fields to be Optional regardless of required statu... |
@@ -25,15 +25,15 @@
 | [`--model-extra-keys`](#model-extra-keys) | Add model-level schema extensions to ConfigDict json_schema_... |
 | [`--model-extra-keys-without-x-prefix`](#model-extra-keys-without-x-prefix) | Strip x- prefix from model-level schema extensions and add t... |
 | [`--naming-strategy`](#naming-strategy) | Use parent-prefixed naming strategy for duplicate model name... |
-| [`--output-model-type`](#output-model-type) | Select the output model type (Pydantic v2, dataclasses, Type... |
+| [`--output-model-type`](#output-model-type) | Select the output model type (Pydantic v2, Pydantic v2 datac... |
 | [`--parent-scoped-naming`](#parent-scoped-naming) | Namespace models by their parent scope to avoid naming confl... |
 | [`--reuse-model`](#reuse-model) | Reuse identical model definitions instead of generating dupl... |
 | [`--reuse-scope`](#reuse-scope) | Scope for model reuse detection (root or tree). |
 | [`--skip-root-model`](#skip-root-model) | Skip generation of root model when schema contains nested de... |
 | [`--strict-nullable`](#strict-nullable) | Treat default field as a non-nullable field. |
 | [`--strip-default-none`](#strip-default-none) | Remove fields with None as default value from generated mode... |
 | [`--target-pydantic-version`](#target-pydantic-version) | Target Pydantic version for generated code compatibility. |
-| [`--target-python-version`](#target-python-version) | Target Python version for generated code syntax and imports.... |
+| [`--target-python-version`](#target-python-version) | Target Python version for generated code syntax and imports. |
 | [`--union-mode`](#union-mode) | Union mode for combining anyOf/oneOf schemas (smart or left_... |
 | [`--use-default`](#use-default) | Use default values from schema in generated models. |
 | [`--use-default-factory-for-optional-nested-models`](#use-default-factory-for-optional-nested-models) | Generate default_factory for optional nested model fields. |
@@ -1624,7 +1624,7 @@ control over dataclass generation.
 
 **Related:** [`--frozen-dataclasses`](model-customization.md#frozen-dataclasses), [`--keyword-only`](model-customization.md#keyword-only)
 
-**See also:** [Output Model Types](../what_is_the_difference_between_v1_and_v2.md)
+**See also:** [Output Model Types](../output-model-types.md)
 
 !!! tip "Usage"
 
@@ -2631,7 +2631,7 @@ keyword-only arguments.
 
 **Related:** [`--keyword-only`](model-customization.md#keyword-only), [`--output-model-type`](model-customization.md#output-model-type)
 
-**See also:** [Output Model Types](../what_is_the_difference_between_v1_and_v2.md)
+**See also:** [Output Model Types](../output-model-types.md)
 
 !!! tip "Usage"
 
@@ -2878,7 +2878,7 @@ positional argument errors.
 
 **Related:** [`--frozen-dataclasses`](model-customization.md#frozen-dataclasses), [`--output-model-type`](model-customization.md#output-model-type), [`--target-python-version`](model-customization.md#target-python-version)
 
-**See also:** [Output Model Types](../what_is_the_difference_between_v1_and_v2.md)
+**See also:** [Output Model Types](../output-model-types.md)
 
 !!! tip "Usage"
 
@@ -3460,13 +3460,14 @@ parent model name when duplicates occur. For example, if both `Order` and
 
 ## `--output-model-type` {#output-model-type}
 
-Select the output model type (Pydantic v2, dataclasses, TypedDict, msgspec).
+Select the output model type (Pydantic v2, Pydantic v2 dataclass,
+dataclasses, TypedDict, msgspec).
 
 The `--output-model-type` flag specifies which Python data model framework to use
 for the generated code. Supported values include `pydantic_v2.BaseModel`,
-`dataclasses.dataclass`, `typing.TypedDict`, and `msgspec.Struct`.
+`pydantic_v2.dataclass`, `dataclasses.dataclass`, `typing.TypedDict`, and `msgspec.Struct`.
 
-**See also:** [Output Model Types](../what_is_the_difference_between_v1_and_v2.md)
+**See also:** [Output Model Types](../output-model-types.md)
 
 !!! tip "Usage"
 
@@ -5066,7 +5067,7 @@ The `--target-python-version` flag controls Python version-specific syntax:
 
 This affects import statements and type annotation syntax in generated code.
 
-**See also:** [CI/CD Integration](../ci-cd.md), [Python Version Compatibility](../python-version-compatibility.md), [Output Model Types](../what_is_the_difference_between_v1_and_v2.md)
+**See also:** [CI/CD Integration](../ci-cd.md), [Output Model Types](../output-model-types.md), [Python Version Compatibility](../python-version-compatibility.md)
 
 !!! tip "Usage"
 
@@ -6227,4 +6228,3 @@ type, providing better type safety and IDE support.
     ```
 
 ---
-

docs/cli-reference/openapi-only-options.md

@@ -1715,4 +1715,3 @@ The `--validation` flag configures the code generation behavior.
     ```
 
 ---
-