From 2537d9d1c2517f9e552ca2b076b3b63b1acbc55d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebasti=C3=A1n=20Ram=C3=ADrez?= Date: Sun, 23 Mar 2025 20:48:54 +0000 Subject: [PATCH 01/11] =?UTF-8?q?=F0=9F=90=9B=20Fix=20`convert=5Funderscor?= =?UTF-8?q?es=3DFalse`=20for=20header=20Pydantic=20models=20(#13515)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/en/docs/tutorial/header-param-models.md | 16 + docs_src/header_param_models/tutorial003.py | 19 ++ .../header_param_models/tutorial003_an.py | 22 ++ .../tutorial003_an_py310.py | 21 ++ .../tutorial003_an_py39.py | 21 ++ .../header_param_models/tutorial003_py310.py | 17 ++ .../header_param_models/tutorial003_py39.py | 19 ++ fastapi/dependencies/utils.py | 10 +- fastapi/openapi/utils.py | 23 +- .../test_tutorial001.py | 6 +- .../test_tutorial002.py | 6 +- .../test_tutorial003.py | 285 ++++++++++++++++++ 12 files changed, 457 insertions(+), 8 deletions(-) create mode 100644 docs_src/header_param_models/tutorial003.py create mode 100644 docs_src/header_param_models/tutorial003_an.py create mode 100644 docs_src/header_param_models/tutorial003_an_py310.py create mode 100644 docs_src/header_param_models/tutorial003_an_py39.py create mode 100644 docs_src/header_param_models/tutorial003_py310.py create mode 100644 docs_src/header_param_models/tutorial003_py39.py create mode 100644 tests/test_tutorial/test_header_param_models/test_tutorial003.py diff --git a/docs/en/docs/tutorial/header-param-models.md b/docs/en/docs/tutorial/header-param-models.md index 73950a668..4cdf09705 100644 --- a/docs/en/docs/tutorial/header-param-models.md +++ b/docs/en/docs/tutorial/header-param-models.md @@ -51,6 +51,22 @@ For example, if the client tries to send a `tool` header with a value of `plumbu } ``` +## Disable Convert Underscores + +The same way as with regular header parameters, when you have underscore characters in the parameter names, they are **automatically converted to hyphens**. + +For example, if you have a header parameter `save_data` in the code, the expected HTTP header will be `save-data`, and it will show up like that in the docs. + +If for some reason you need to disable this automatic conversion, you can do it as well for Pydantic models for header parameters. + +{* ../../docs_src/header_param_models/tutorial003_an_py310.py hl[19] *} + +/// warning + +Before setting `convert_underscores` to `False`, bear in mind that some HTTP proxies and servers disallow the usage of headers with underscores. + +/// + ## Summary You can use **Pydantic models** to declare **headers** in **FastAPI**. 😎 diff --git a/docs_src/header_param_models/tutorial003.py b/docs_src/header_param_models/tutorial003.py new file mode 100644 index 000000000..dc2eb74bd --- /dev/null +++ b/docs_src/header_param_models/tutorial003.py @@ -0,0 +1,19 @@ +from typing import List, Union + +from fastapi import FastAPI, Header +from pydantic import BaseModel + +app = FastAPI() + + +class CommonHeaders(BaseModel): + host: str + save_data: bool + if_modified_since: Union[str, None] = None + traceparent: Union[str, None] = None + x_tag: List[str] = [] + + +@app.get("/items/") +async def read_items(headers: CommonHeaders = Header(convert_underscores=False)): + return headers diff --git a/docs_src/header_param_models/tutorial003_an.py b/docs_src/header_param_models/tutorial003_an.py new file mode 100644 index 000000000..e3edb1189 --- /dev/null +++ b/docs_src/header_param_models/tutorial003_an.py @@ -0,0 +1,22 @@ +from typing import List, Union + +from fastapi import FastAPI, Header +from pydantic import BaseModel +from typing_extensions import Annotated + +app = FastAPI() + + +class CommonHeaders(BaseModel): + host: str + save_data: bool + if_modified_since: Union[str, None] = None + traceparent: Union[str, None] = None + x_tag: List[str] = [] + + +@app.get("/items/") +async def read_items( + headers: Annotated[CommonHeaders, Header(convert_underscores=False)], +): + return headers diff --git a/docs_src/header_param_models/tutorial003_an_py310.py b/docs_src/header_param_models/tutorial003_an_py310.py new file mode 100644 index 000000000..07bfa83bf --- /dev/null +++ b/docs_src/header_param_models/tutorial003_an_py310.py @@ -0,0 +1,21 @@ +from typing import Annotated + +from fastapi import FastAPI, Header +from pydantic import BaseModel + +app = FastAPI() + + +class CommonHeaders(BaseModel): + host: str + save_data: bool + if_modified_since: str | None = None + traceparent: str | None = None + x_tag: list[str] = [] + + +@app.get("/items/") +async def read_items( + headers: Annotated[CommonHeaders, Header(convert_underscores=False)], +): + return headers diff --git a/docs_src/header_param_models/tutorial003_an_py39.py b/docs_src/header_param_models/tutorial003_an_py39.py new file mode 100644 index 000000000..8be6b01d0 --- /dev/null +++ b/docs_src/header_param_models/tutorial003_an_py39.py @@ -0,0 +1,21 @@ +from typing import Annotated, Union + +from fastapi import FastAPI, Header +from pydantic import BaseModel + +app = FastAPI() + + +class CommonHeaders(BaseModel): + host: str + save_data: bool + if_modified_since: Union[str, None] = None + traceparent: Union[str, None] = None + x_tag: list[str] = [] + + +@app.get("/items/") +async def read_items( + headers: Annotated[CommonHeaders, Header(convert_underscores=False)], +): + return headers diff --git a/docs_src/header_param_models/tutorial003_py310.py b/docs_src/header_param_models/tutorial003_py310.py new file mode 100644 index 000000000..65e92a28c --- /dev/null +++ b/docs_src/header_param_models/tutorial003_py310.py @@ -0,0 +1,17 @@ +from fastapi import FastAPI, Header +from pydantic import BaseModel + +app = FastAPI() + + +class CommonHeaders(BaseModel): + host: str + save_data: bool + if_modified_since: str | None = None + traceparent: str | None = None + x_tag: list[str] = [] + + +@app.get("/items/") +async def read_items(headers: CommonHeaders = Header(convert_underscores=False)): + return headers diff --git a/docs_src/header_param_models/tutorial003_py39.py b/docs_src/header_param_models/tutorial003_py39.py new file mode 100644 index 000000000..848c34111 --- /dev/null +++ b/docs_src/header_param_models/tutorial003_py39.py @@ -0,0 +1,19 @@ +from typing import Union + +from fastapi import FastAPI, Header +from pydantic import BaseModel + +app = FastAPI() + + +class CommonHeaders(BaseModel): + host: str + save_data: bool + if_modified_since: Union[str, None] = None + traceparent: Union[str, None] = None + x_tag: list[str] = [] + + +@app.get("/items/") +async def read_items(headers: CommonHeaders = Header(convert_underscores=False)): + return headers diff --git a/fastapi/dependencies/utils.py b/fastapi/dependencies/utils.py index d205d17fa..84dfa4d03 100644 --- a/fastapi/dependencies/utils.py +++ b/fastapi/dependencies/utils.py @@ -750,9 +750,15 @@ def request_params_to_args( first_field = fields[0] fields_to_extract = fields single_not_embedded_field = False + default_convert_underscores = True if len(fields) == 1 and lenient_issubclass(first_field.type_, BaseModel): fields_to_extract = get_cached_model_fields(first_field.type_) single_not_embedded_field = True + # If headers are in a Pydantic model, the way to disable convert_underscores + # would be with Header(convert_underscores=False) at the Pydantic model level + default_convert_underscores = getattr( + first_field.field_info, "convert_underscores", True + ) params_to_process: Dict[str, Any] = {} @@ -763,7 +769,9 @@ def request_params_to_args( if isinstance(received_params, Headers): # Handle fields extracted from a Pydantic Model for a header, each field # doesn't have a FieldInfo of type Header with the default convert_underscores=True - convert_underscores = getattr(field.field_info, "convert_underscores", True) + convert_underscores = getattr( + field.field_info, "convert_underscores", default_convert_underscores + ) if convert_underscores: alias = ( field.alias diff --git a/fastapi/openapi/utils.py b/fastapi/openapi/utils.py index bd8f3c106..808646cc2 100644 --- a/fastapi/openapi/utils.py +++ b/fastapi/openapi/utils.py @@ -32,6 +32,7 @@ from fastapi.utils import ( generate_operation_id_for_path, is_body_allowed_for_status_code, ) +from pydantic import BaseModel from starlette.responses import JSONResponse from starlette.routing import BaseRoute from starlette.status import HTTP_422_UNPROCESSABLE_ENTITY @@ -113,6 +114,13 @@ def _get_openapi_operation_parameters( (ParamTypes.header, header_params), (ParamTypes.cookie, cookie_params), ] + default_convert_underscores = True + if len(flat_dependant.header_params) == 1: + first_field = flat_dependant.header_params[0] + if lenient_issubclass(first_field.type_, BaseModel): + default_convert_underscores = getattr( + first_field.field_info, "convert_underscores", True + ) for param_type, param_group in parameter_groups: for param in param_group: field_info = param.field_info @@ -126,8 +134,21 @@ def _get_openapi_operation_parameters( field_mapping=field_mapping, separate_input_output_schemas=separate_input_output_schemas, ) + name = param.alias + convert_underscores = getattr( + param.field_info, + "convert_underscores", + default_convert_underscores, + ) + if ( + param_type == ParamTypes.header + and param.alias == param.name + and convert_underscores + ): + name = param.name.replace("_", "-") + parameter = { - "name": param.alias, + "name": name, "in": param_type.value, "required": param.required, "schema": param_schema, diff --git a/tests/test_tutorial/test_header_param_models/test_tutorial001.py b/tests/test_tutorial/test_header_param_models/test_tutorial001.py index 06b2404cf..bc876897b 100644 --- a/tests/test_tutorial/test_header_param_models/test_tutorial001.py +++ b/tests/test_tutorial/test_header_param_models/test_tutorial001.py @@ -129,13 +129,13 @@ def test_openapi_schema(client: TestClient): "schema": {"type": "string", "title": "Host"}, }, { - "name": "save_data", + "name": "save-data", "in": "header", "required": True, "schema": {"type": "boolean", "title": "Save Data"}, }, { - "name": "if_modified_since", + "name": "if-modified-since", "in": "header", "required": False, "schema": IsDict( @@ -171,7 +171,7 @@ def test_openapi_schema(client: TestClient): ), }, { - "name": "x_tag", + "name": "x-tag", "in": "header", "required": False, "schema": { diff --git a/tests/test_tutorial/test_header_param_models/test_tutorial002.py b/tests/test_tutorial/test_header_param_models/test_tutorial002.py index e07655a0c..0615521c4 100644 --- a/tests/test_tutorial/test_header_param_models/test_tutorial002.py +++ b/tests/test_tutorial/test_header_param_models/test_tutorial002.py @@ -140,13 +140,13 @@ def test_openapi_schema(client: TestClient): "schema": {"type": "string", "title": "Host"}, }, { - "name": "save_data", + "name": "save-data", "in": "header", "required": True, "schema": {"type": "boolean", "title": "Save Data"}, }, { - "name": "if_modified_since", + "name": "if-modified-since", "in": "header", "required": False, "schema": IsDict( @@ -182,7 +182,7 @@ def test_openapi_schema(client: TestClient): ), }, { - "name": "x_tag", + "name": "x-tag", "in": "header", "required": False, "schema": { diff --git a/tests/test_tutorial/test_header_param_models/test_tutorial003.py b/tests/test_tutorial/test_header_param_models/test_tutorial003.py new file mode 100644 index 000000000..60940e1da --- /dev/null +++ b/tests/test_tutorial/test_header_param_models/test_tutorial003.py @@ -0,0 +1,285 @@ +import importlib + +import pytest +from dirty_equals import IsDict +from fastapi.testclient import TestClient +from inline_snapshot import snapshot + +from tests.utils import needs_py39, needs_py310 + + +@pytest.fixture( + name="client", + params=[ + "tutorial003", + pytest.param("tutorial003_py39", marks=needs_py39), + pytest.param("tutorial003_py310", marks=needs_py310), + "tutorial003_an", + pytest.param("tutorial003_an_py39", marks=needs_py39), + pytest.param("tutorial003_an_py310", marks=needs_py310), + ], +) +def get_client(request: pytest.FixtureRequest): + mod = importlib.import_module(f"docs_src.header_param_models.{request.param}") + + client = TestClient(mod.app) + return client + + +def test_header_param_model(client: TestClient): + response = client.get( + "/items/", + headers=[ + ("save_data", "true"), + ("if_modified_since", "yesterday"), + ("traceparent", "123"), + ("x_tag", "one"), + ("x_tag", "two"), + ], + ) + assert response.status_code == 200 + assert response.json() == { + "host": "testserver", + "save_data": True, + "if_modified_since": "yesterday", + "traceparent": "123", + "x_tag": ["one", "two"], + } + + +def test_header_param_model_no_underscore(client: TestClient): + response = client.get( + "/items/", + headers=[ + ("save-data", "true"), + ("if-modified-since", "yesterday"), + ("traceparent", "123"), + ("x-tag", "one"), + ("x-tag", "two"), + ], + ) + assert response.status_code == 422 + assert response.json() == snapshot( + { + "detail": [ + IsDict( + { + "type": "missing", + "loc": ["header", "save_data"], + "msg": "Field required", + "input": { + "host": "testserver", + "traceparent": "123", + "x_tag": [], + "accept": "*/*", + "accept-encoding": "gzip, deflate", + "connection": "keep-alive", + "user-agent": "testclient", + "save-data": "true", + "if-modified-since": "yesterday", + "x-tag": "two", + }, + } + ) + | IsDict( + # TODO: remove when deprecating Pydantic v1 + { + "type": "value_error.missing", + "loc": ["header", "save_data"], + "msg": "field required", + } + ) + ] + } + ) + + +def test_header_param_model_defaults(client: TestClient): + response = client.get("/items/", headers=[("save_data", "true")]) + assert response.status_code == 200 + assert response.json() == { + "host": "testserver", + "save_data": True, + "if_modified_since": None, + "traceparent": None, + "x_tag": [], + } + + +def test_header_param_model_invalid(client: TestClient): + response = client.get("/items/") + assert response.status_code == 422 + assert response.json() == snapshot( + { + "detail": [ + IsDict( + { + "type": "missing", + "loc": ["header", "save_data"], + "msg": "Field required", + "input": { + "x_tag": [], + "host": "testserver", + "accept": "*/*", + "accept-encoding": "gzip, deflate", + "connection": "keep-alive", + "user-agent": "testclient", + }, + } + ) + | IsDict( + # TODO: remove when deprecating Pydantic v1 + { + "type": "value_error.missing", + "loc": ["header", "save_data"], + "msg": "field required", + } + ) + ] + } + ) + + +def test_header_param_model_extra(client: TestClient): + response = client.get( + "/items/", headers=[("save_data", "true"), ("tool", "plumbus")] + ) + assert response.status_code == 200, response.text + assert response.json() == snapshot( + { + "host": "testserver", + "save_data": True, + "if_modified_since": None, + "traceparent": None, + "x_tag": [], + } + ) + + +def test_openapi_schema(client: TestClient): + response = client.get("/openapi.json") + assert response.status_code == 200, response.text + assert response.json() == snapshot( + { + "openapi": "3.1.0", + "info": {"title": "FastAPI", "version": "0.1.0"}, + "paths": { + "/items/": { + "get": { + "summary": "Read Items", + "operationId": "read_items_items__get", + "parameters": [ + { + "name": "host", + "in": "header", + "required": True, + "schema": {"type": "string", "title": "Host"}, + }, + { + "name": "save_data", + "in": "header", + "required": True, + "schema": {"type": "boolean", "title": "Save Data"}, + }, + { + "name": "if_modified_since", + "in": "header", + "required": False, + "schema": IsDict( + { + "anyOf": [{"type": "string"}, {"type": "null"}], + "title": "If Modified Since", + } + ) + | IsDict( + # TODO: remove when deprecating Pydantic v1 + { + "type": "string", + "title": "If Modified Since", + } + ), + }, + { + "name": "traceparent", + "in": "header", + "required": False, + "schema": IsDict( + { + "anyOf": [{"type": "string"}, {"type": "null"}], + "title": "Traceparent", + } + ) + | IsDict( + # TODO: remove when deprecating Pydantic v1 + { + "type": "string", + "title": "Traceparent", + } + ), + }, + { + "name": "x_tag", + "in": "header", + "required": False, + "schema": { + "type": "array", + "items": {"type": "string"}, + "default": [], + "title": "X Tag", + }, + }, + ], + "responses": { + "200": { + "description": "Successful Response", + "content": {"application/json": {"schema": {}}}, + }, + "422": { + "description": "Validation Error", + "content": { + "application/json": { + "schema": { + "$ref": "#/components/schemas/HTTPValidationError" + } + } + }, + }, + }, + } + } + }, + "components": { + "schemas": { + "HTTPValidationError": { + "properties": { + "detail": { + "items": { + "$ref": "#/components/schemas/ValidationError" + }, + "type": "array", + "title": "Detail", + } + }, + "type": "object", + "title": "HTTPValidationError", + }, + "ValidationError": { + "properties": { + "loc": { + "items": { + "anyOf": [{"type": "string"}, {"type": "integer"}] + }, + "type": "array", + "title": "Location", + }, + "msg": {"type": "string", "title": "Message"}, + "type": {"type": "string", "title": "Error Type"}, + }, + "type": "object", + "required": ["loc", "msg", "type"], + "title": "ValidationError", + }, + } + }, + } + ) From 8e76d4e5f4ee2e4b9f77378a39aa15940255e164 Mon Sep 17 00:00:00 2001 From: github-actions Date: Sun, 23 Mar 2025 20:49:19 +0000 Subject: [PATCH 02/11] =?UTF-8?q?=F0=9F=93=9D=20Update=20release=20notes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [skip ci] --- docs/en/docs/release-notes.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md index 5410c75b8..9d4bd3301 100644 --- a/docs/en/docs/release-notes.md +++ b/docs/en/docs/release-notes.md @@ -7,6 +7,10 @@ hide: ## Latest Changes +### Fixes + +* 🐛 Fix `convert_underscores=False` for header Pydantic models. PR [#13515](https://github.com/fastapi/fastapi/pull/13515) by [@tiangolo](https://github.com/tiangolo). + ### Docs * 📝 Update `docs/en/docs/tutorial/middleware.md`. PR [#13444](https://github.com/fastapi/fastapi/pull/13444) by [@Rishat-F](https://github.com/Rishat-F). From 628c34e0cae200564d191c95d7edea78c88c4b5e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebasti=C3=A1n=20Ram=C3=ADrez?= Date: Sun, 23 Mar 2025 23:54:13 +0100 Subject: [PATCH 03/11] =?UTF-8?q?=F0=9F=94=96=20Release=20version=200.115.?= =?UTF-8?q?12?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/en/docs/release-notes.md | 2 ++ fastapi/__init__.py | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md index 9d4bd3301..7e54dd7d6 100644 --- a/docs/en/docs/release-notes.md +++ b/docs/en/docs/release-notes.md @@ -7,6 +7,8 @@ hide: ## Latest Changes +## 0.115.12 + ### Fixes * 🐛 Fix `convert_underscores=False` for header Pydantic models. PR [#13515](https://github.com/fastapi/fastapi/pull/13515) by [@tiangolo](https://github.com/tiangolo). diff --git a/fastapi/__init__.py b/fastapi/__init__.py index 757b76106..80eb783da 100644 --- a/fastapi/__init__.py +++ b/fastapi/__init__.py @@ -1,6 +1,6 @@ """FastAPI framework, high performance, easy to learn, fast to code, ready for production""" -__version__ = "0.115.11" +__version__ = "0.115.12" from starlette import status as status From d70f0ecec3d537b903b5c663c4fc3fcc9269db84 Mon Sep 17 00:00:00 2001 From: Blueswen Date: Mon, 24 Mar 2025 19:12:43 +0800 Subject: [PATCH 04/11] =?UTF-8?q?=F0=9F=93=9D=20Add=20External=20Link:=20T?= =?UTF-8?q?aiwanese=20talk=20on=20FastAPI=20with=20observability=20=20(#13?= =?UTF-8?q?527)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/en/data/external_links.yml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/en/data/external_links.yml b/docs/en/data/external_links.yml index 9e411a631..00bb55422 100644 --- a/docs/en/data/external_links.yml +++ b/docs/en/data/external_links.yml @@ -411,3 +411,8 @@ Talks: author_link: https://twitter.com/chriswithers13 link: https://www.youtube.com/watch?v=3DLwPcrE5mA title: 'PyCon UK 2019: FastAPI from the ground up' + Taiwanese: + - author: Bluewen + author_link: https://github.com/blueswen + link: https://www.youtube.com/watch?v=y3sumuoDq4w + title: 'PyCon TW 2024: 全方位強化 Python 服務可觀測性：以 FastAPI 和 Grafana Stack 為例' From cbd7d4895b0a88802f50cd5c6fb05c1ffcb417e7 Mon Sep 17 00:00:00 2001 From: github-actions Date: Mon, 24 Mar 2025 11:13:09 +0000 Subject: [PATCH 05/11] =?UTF-8?q?=F0=9F=93=9D=20Update=20release=20notes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [skip ci] --- docs/en/docs/release-notes.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md index 7e54dd7d6..d09b7c0a0 100644 --- a/docs/en/docs/release-notes.md +++ b/docs/en/docs/release-notes.md @@ -7,6 +7,10 @@ hide: ## Latest Changes +### Docs + +* 📝 Add External Link: Taiwanese talk on FastAPI with observability . PR [#13527](https://github.com/fastapi/fastapi/pull/13527) by [@blueswen](https://github.com/blueswen). + ## 0.115.12 ### Fixes From f0d59e57f10e4592f43e11ddca3640791140016c Mon Sep 17 00:00:00 2001 From: Zhongheng Cheng Date: Mon, 24 Mar 2025 17:09:43 -0400 Subject: [PATCH 06/11] =?UTF-8?q?=F0=9F=8C=90=20Update=20Chinese=20transla?= =?UTF-8?q?tion=20for=20`docs/zh/docs/tutorial/first-steps.md`=20(#13348)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/zh/docs/tutorial/first-steps.md | 95 ++++++++++++---------------- 1 file changed, 41 insertions(+), 54 deletions(-) diff --git a/docs/zh/docs/tutorial/first-steps.md b/docs/zh/docs/tutorial/first-steps.md index c4ff460e0..80a34116a 100644 --- a/docs/zh/docs/tutorial/first-steps.md +++ b/docs/zh/docs/tutorial/first-steps.md @@ -11,26 +11,42 @@
```console -$ uvicorn main:app --reload +$ fastapi dev main.py -INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit) -INFO: Started reloader process [28720] -INFO: Started server process [28722] -INFO: Waiting for application startup. -INFO: Application startup complete. -``` + FastAPI Starting development server 🚀 -
+ Searching for package file structure from directories + with __init__.py files + Importing from /home/user/code/awesomeapp -/// note + module 🐍 main.py -`uvicorn main:app` 命令含义如下: + code Importing the FastAPI app object from the module with + the following code: -* `main`：`main.py` 文件（一个 Python「模块」）。 -* `app`：在 `main.py` 文件中通过 `app = FastAPI()` 创建的对象。 -* `--reload`：让服务器在更新代码后重新启动。仅在开发时使用该选项。 + from main import app -/// + app Using import string: main:app + + server Server started at http://127.0.0.1:8000 + server Documentation at http://127.0.0.1:8000/docs + + tip Running in development mode, for production use: + fastapi run + + Logs: + + INFO Will watch for changes in these directories: + ['/home/user/code/awesomeapp'] + INFO Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C + to quit) + INFO Started reloader process [383138] using WatchFiles + INFO Started server process [383153] + INFO Waiting for application startup. + INFO Application startup complete. +``` + + 在输出中，会有一行信息像下面这样： @@ -38,7 +54,6 @@ $ uvicorn main:app --reload INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit) ``` - 该行显示了你的应用在本机所提供服务的 URL 地址。 ### 查看 @@ -63,7 +78,7 @@ INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit) 前往 http://127.0.0.1:8000/redoc。 -你将会看到可选的自动生成文档 （由 ReDoc 提供)： +你将会看到可选的自动生成文档 （由 ReDoc 提供）： ![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png) @@ -77,9 +92,9 @@ INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit) #### API「模式」 -在这种场景下，OpenAPI 是一种规定如何定义 API 模式的规范。 +在这种场景下，OpenAPI 是一种规定如何定义 API 模式的规范。 -定义的 OpenAPI 模式将包括你的 API 路径，以及它们可能使用的参数等等。 +「模式」的定义包括你的 API 路径，以及它们可能使用的参数等等。 #### 数据「模式」 @@ -93,7 +108,7 @@ OpenAPI 为你的 API 定义 API 模式。该模式中包含了你的 API 发送 #### 查看 `openapi.json` -如果你对原始的 OpenAPI 模式长什么样子感到好奇，其实它只是一个自动生成的包含了所有 API 描述的 JSON。 +如果你对原始的 OpenAPI 模式长什么样子感到好奇，FastAPI 自动生成了包含所有 API 描述的 JSON（模式）。 你可以直接在：http://127.0.0.1:8000/openapi.json 看到它。 @@ -101,7 +116,7 @@ OpenAPI 为你的 API 定义 API 模式。该模式中包含了你的 API 发送 ```JSON { - "openapi": "3.0.2", + "openapi": "3.1.0", "info": { "title": "FastAPI", "version": "0.1.0" @@ -140,7 +155,7 @@ OpenAPI 为你的 API 定义 API 模式。该模式中包含了你的 API 发送 `FastAPI` 是直接从 `Starlette` 继承的类。 -你可以通过 `FastAPI` 使用所有的 Starlette 的功能。 +你可以通过 `FastAPI` 使用所有的 Starlette 的功能。 /// @@ -152,34 +167,6 @@ OpenAPI 为你的 API 定义 API 模式。该模式中包含了你的 API 发送 这个实例将是创建你所有 API 的主要交互对象。 -这个 `app` 同样在如下命令中被 `uvicorn` 所引用： - -
- -```console -$ uvicorn main:app --reload - -INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit) -``` - -
- -如果你像下面这样创建应用： - -{* ../../docs_src/first_steps/tutorial002.py hl[3] *} - -将代码放入 `main.py` 文件中，然后你可以像下面这样运行 `uvicorn`： - -
- -```console -$ uvicorn main:my_awesome_api --reload - -INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit) -``` - -
- ### 步骤 3：创建一个*路径操作* #### 路径 @@ -279,13 +266,13 @@ https://example.com/items/foo /// tip -您可以随意使用任何一个操作（HTTP方法）。 +你可以随意使用任何一个操作（HTTP方法）。 **FastAPI** 没有强制要求操作有任何特定的含义。 此处提供的信息仅作为指导，而不是要求。 -比如，当使用 GraphQL 时通常你所有的动作都通过 `post` 一种方法执行。 +比如，当使用 GraphQL 时通常你所有的动作都通过 `POST` 一种方法执行。 /// @@ -331,6 +318,6 @@ https://example.com/items/foo * 导入 `FastAPI`。 * 创建一个 `app` 实例。 -* 编写一个**路径操作装饰器**（如 `@app.get("/")`）。 -* 编写一个**路径操作函数**（如上面的 `def root(): ...`）。 -* 运行开发服务器（如 `uvicorn main:app --reload`）。 +* 编写一个**路径操作装饰器**，如 `@app.get("/")`。 +* 定义一个**路径操作函数**，如 `def root(): ...`。 +* 使用命令 `fastapi dev` 运行开发服务器。 From b58c2a31ed5eeaf0b0ca937fbd932044cd2cbf23 Mon Sep 17 00:00:00 2001 From: github-actions Date: Mon, 24 Mar 2025 21:10:05 +0000 Subject: [PATCH 07/11] =?UTF-8?q?=F0=9F=93=9D=20Update=20release=20notes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [skip ci] --- docs/en/docs/release-notes.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md index d09b7c0a0..4704bd53f 100644 --- a/docs/en/docs/release-notes.md +++ b/docs/en/docs/release-notes.md @@ -11,6 +11,10 @@ hide: * 📝 Add External Link: Taiwanese talk on FastAPI with observability . PR [#13527](https://github.com/fastapi/fastapi/pull/13527) by [@blueswen](https://github.com/blueswen). +### Translations + +* 🌐 Update Chinese translation for `docs/zh/docs/tutorial/first-steps.md`. PR [#13348](https://github.com/fastapi/fastapi/pull/13348) by [@Zhongheng-Cheng](https://github.com/Zhongheng-Cheng). + ## 0.115.12 ### Fixes From c12652b7858e70e57c6e65e264d1547a07ef2769 Mon Sep 17 00:00:00 2001 From: "pre-commit-ci[bot]" <66853113+pre-commit-ci[bot]@users.noreply.github.com> Date: Wed, 26 Mar 2025 14:18:42 +0100 Subject: [PATCH 08/11] =?UTF-8?q?=E2=AC=86=20[pre-commit.ci]=20pre-commit?= =?UTF-8?q?=20autoupdate=20(#12986)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * ⬆ [pre-commit.ci] pre-commit autoupdate updates: - [github.com/astral-sh/ruff-pre-commit: v0.9.4 → v0.11.2](https://github.com/astral-sh/ruff-pre-commit/compare/v0.9.4...v0.11.2) * also bump in doc requirements --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: svlandeg Co-authored-by: Sofie Van Landeghem --- .pre-commit-config.yaml | 2 +- requirements-docs-tests.txt | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 05c33a608..6aa7c458d 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -14,7 +14,7 @@ repos: - id: end-of-file-fixer - id: trailing-whitespace - repo: https://github.com/astral-sh/ruff-pre-commit - rev: v0.9.4 + rev: v0.11.2 hooks: - id: ruff args: diff --git a/requirements-docs-tests.txt b/requirements-docs-tests.txt index e7718e61d..71f4a7ab9 100644 --- a/requirements-docs-tests.txt +++ b/requirements-docs-tests.txt @@ -1,4 +1,4 @@ # For mkdocstrings and tests httpx >=0.23.0,<0.28.0 # For linting and generating docs versions -ruff ==0.9.4 +ruff ==0.11.2 From c8a7552e29e369e4e52957d72c8dcbde605c56d6 Mon Sep 17 00:00:00 2001 From: github-actions Date: Wed, 26 Mar 2025 13:19:03 +0000 Subject: [PATCH 09/11] =?UTF-8?q?=F0=9F=93=9D=20Update=20release=20notes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [skip ci] --- docs/en/docs/release-notes.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md index 4704bd53f..e3a703ef9 100644 --- a/docs/en/docs/release-notes.md +++ b/docs/en/docs/release-notes.md @@ -15,6 +15,10 @@ hide: * 🌐 Update Chinese translation for `docs/zh/docs/tutorial/first-steps.md`. PR [#13348](https://github.com/fastapi/fastapi/pull/13348) by [@Zhongheng-Cheng](https://github.com/Zhongheng-Cheng). +### Internal + +* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [#12986](https://github.com/fastapi/fastapi/pull/12986) by [@pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci). + ## 0.115.12 ### Fixes From 031622a989833e9842d1200ab18088ef61424fc3 Mon Sep 17 00:00:00 2001 From: Sofie Van Landeghem Date: Wed, 26 Mar 2025 15:38:36 +0100 Subject: [PATCH 10/11] =?UTF-8?q?=F0=9F=94=A7=20Clean=20up=20`docs/en/mkdo?= =?UTF-8?q?cs.yml`=20configuration=20file=20(#13542)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/en/mkdocs.yml | 76 ++++++++++++++++------------------------------ 1 file changed, 26 insertions(+), 50 deletions(-) diff --git a/docs/en/mkdocs.yml b/docs/en/mkdocs.yml index e9a639d0b..bfa88c06e 100644 --- a/docs/en/mkdocs.yml +++ b/docs/en/mkdocs.yml @@ -6,7 +6,7 @@ theme: name: material custom_dir: ../en/overrides palette: - - media: "(prefers-color-scheme)" + - media: (prefers-color-scheme) toggle: icon: material/lightbulb-auto name: Switch to light mode @@ -27,7 +27,6 @@ theme: features: - content.code.annotate - content.code.copy - # - content.code.select - content.footnote.tooltips - content.tabs.link - content.tooltips @@ -35,7 +34,6 @@ theme: - navigation.indexes - navigation.instant - navigation.instant.prefetch - # - navigation.instant.preview - navigation.instant.progress - navigation.path - navigation.tabs @@ -46,7 +44,6 @@ theme: - search.share - search.suggest - toc.follow - icon: repo: fontawesome/brands/github-alt logo: img/icon-white.svg @@ -55,11 +52,7 @@ theme: repo_name: fastapi/fastapi repo_url: https://github.com/fastapi/fastapi plugins: - # Material for MkDocs - search: - # Configured in mkdocs.insiders.yml - # social: - # Other plugins + search: null macros: include_yaml: - external_links: ../en/data/external_links.yml @@ -103,7 +96,6 @@ plugins: signature_crossrefs: true show_symbol_type_heading: true show_symbol_type_toc: true - nav: - FastAPI: index.md - features.md @@ -258,33 +250,27 @@ nav: - benchmarks.md - management.md - release-notes.md - markdown_extensions: - # Python Markdown - abbr: - attr_list: - footnotes: - md_in_html: - tables: + abbr: null + attr_list: null + footnotes: null + md_in_html: null + tables: null toc: permalink: true - - # Python Markdown Extensions - pymdownx.betterem: - pymdownx.caret: + pymdownx.betterem: null + pymdownx.caret: null pymdownx.highlight: line_spans: __span - pymdownx.inlinehilite: - pymdownx.keys: - pymdownx.mark: + pymdownx.inlinehilite: null + pymdownx.keys: null + pymdownx.mark: null pymdownx.superfences: custom_fences: - name: mermaid class: mermaid - format: !!python/name:pymdownx.superfences.fence_code_format - pymdownx.tilde: - - # pymdownx blocks + format: !!python/name:pymdownx.superfences.fence_code_format '' + pymdownx.tilde: null pymdownx.blocks.admonition: types: - note @@ -295,17 +281,13 @@ markdown_extensions: - tip - hint - warning - # Custom types - info - check - pymdownx.blocks.details: + pymdownx.blocks.details: null pymdownx.blocks.tab: - alternate_style: True - - # Other extensions - mdx_include: - markdown_include_variants: - + alternate_style: true + mdx_include: null + markdown_include_variants: null extra: analytics: provider: google @@ -313,16 +295,14 @@ extra: feedback: title: Was this page helpful? ratings: - - icon: material/emoticon-happy-outline - name: This page was helpful - data: 1 - note: >- - Thanks for your feedback! - - icon: material/emoticon-sad-outline - name: This page could be improved - data: 0 - note: >- - Thanks for your feedback! + - icon: material/emoticon-happy-outline + name: This page was helpful + data: 1 + note: Thanks for your feedback! + - icon: material/emoticon-sad-outline + name: This page could be improved + data: 0 + note: Thanks for your feedback! social: - icon: fontawesome/brands/github-alt link: https://github.com/fastapi/fastapi @@ -338,7 +318,6 @@ extra: link: https://medium.com/@tiangolo - icon: fontawesome/solid/globe link: https://tiangolo.com - alternate: - link: / name: en - English @@ -390,14 +369,11 @@ extra: name: zh-hant - 繁體中文 - link: /em/ name: 😉 - extra_css: - css/termynal.css - css/custom.css - extra_javascript: - js/termynal.js - js/custom.js - hooks: - ../../scripts/mkdocs_hooks.py From b5bdc153a12716b45a55ff4b9a298a898d1502e0 Mon Sep 17 00:00:00 2001 From: github-actions Date: Wed, 26 Mar 2025 14:39:00 +0000 Subject: [PATCH 11/11] =?UTF-8?q?=F0=9F=93=9D=20Update=20release=20notes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [skip ci] --- docs/en/docs/release-notes.md | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md index e3a703ef9..359ec4b49 100644 --- a/docs/en/docs/release-notes.md +++ b/docs/en/docs/release-notes.md @@ -17,6 +17,7 @@ hide: ### Internal +* 🔧 Clean up `docs/en/mkdocs.yml` configuration file. PR [#13542](https://github.com/fastapi/fastapi/pull/13542) by [@svlandeg](https://github.com/svlandeg). * ⬆ [pre-commit.ci] pre-commit autoupdate. PR [#12986](https://github.com/fastapi/fastapi/pull/12986) by [@pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci). ## 0.115.12