Merge pull request #324 from ytoml/disable-timestamp

Add `--disable-timestamp`

fastapi_code_generator/__main__.py

@@ -46,6 +46,7 @@ def main(
     custom_visitors: Optional[List[Path]] = typer.Option(
         None, "--custom-visitor", "-c"
     ),
+    disable_timestamp: bool = typer.Option(False, "--disable-timestamp"),
 ) -> None:
     input_name: str = input_file.name
     input_text: str = input_file.read()
@@ -61,6 +62,7 @@ def main(
             template_dir,
             model_path,
             enum_field_as_literal,
+            disable_timestamp=disable_timestamp,
         )
     return generate_code(
         input_name,
@@ -69,6 +71,7 @@ def main(
         template_dir,
         model_path,
         custom_visitors=custom_visitors,
+        disable_timestamp=disable_timestamp,
     )
 
 
@@ -90,6 +93,7 @@ def generate_code(
     model_path: Optional[Path] = None,
     enum_field_as_literal: Optional[str] = None,
     custom_visitors: Optional[List[Path]] = [],
+    disable_timestamp: bool = False,
 ) -> None:
     if not model_path:
         model_path = MODEL_PATH
@@ -148,8 +152,9 @@ def generate_code(
     timestamp = datetime.now(timezone.utc).replace(microsecond=0).isoformat()
     header = f"""\
 # generated by fastapi-codegen:
-#   filename:  {Path(input_name).name}
-#   timestamp: {timestamp}"""
+#   filename:  {Path(input_name).name}"""
+    if not disable_timestamp:
+        header += f"\n#   timestamp: {timestamp}"
 
     for path, code in results.items():
         with output_dir.joinpath(path.with_suffix(".py")).open("wt") as file:
@@ -160,8 +165,8 @@ def generate_code(
     header = f'''\
 # generated by fastapi-codegen:
 #   filename:  {{filename}}'''
-    #     if not disable_timestamp:
-    header += f'\n#   timestamp: {timestamp}'
+    if not disable_timestamp:
+        header += f'\n#   timestamp: {timestamp}'
 
     for path, body_and_filename in modules.items():
         body, filename = body_and_filename

tests/data/expected/openapi/disable_timestamp/simple/main.py

@@ -0,0 +1,51 @@
+# generated by fastapi-codegen:
+#   filename:  simple.yaml
+
+from __future__ import annotations
+
+from typing import Optional, Union
+
+from fastapi import FastAPI, Path
+
+from .models import Error, Pets
+
+app = FastAPI(
+    version='1.0.0',
+    title='Swagger Petstore',
+    license={'name': 'MIT'},
+    description='This description is for testing\nmulti-line\ndescription\n',
+    servers=[{'url': 'http://petstore.swagger.io/v1'}],
+)
+
+
+@app.get(
+    '/pets', response_model=Pets, responses={'default': {'model': Error}}, tags=['pets']
+)
+def list_pets(limit: Optional[int] = None) -> Union[Pets, Error]:
+    """
+    List all pets
+    """
+    pass
+
+
+@app.post(
+    '/pets', response_model=None, responses={'default': {'model': Error}}, tags=['pets']
+)
+def create_pets() -> Union[None, Error]:
+    """
+    Create a pet
+    """
+    pass
+
+
+@app.get(
+    '/pets/{pet_id}',
+    response_model=Pets,
+    responses={'default': {'model': Error}},
+    tags=['pets'],
+)
+def show_pet_by_id(pet_id: str = Path(..., alias='petId')) -> Union[Pets, Error]:
+    """
+    Info for a specific pet
+    """
+    pass

tests/data/expected/openapi/disable_timestamp/simple/models.py

@@ -0,0 +1,23 @@
+# generated by fastapi-codegen:
+#   filename:  simple.yaml
+
+from __future__ import annotations
+
+from typing import List, Optional
+
+from pydantic import BaseModel, Field
+
+
+class Pet(BaseModel):
+    id: int
+    name: str
+    tag: Optional[str] = None
+
+
+class Pets(BaseModel):
+    __root__: List[Pet] = Field(..., description='list of pet')
+
+
+class Error(BaseModel):
+    code: int
+    message: str

tests/data/openapi/disable_timestamp/simple.yaml

@@ -0,0 +1,121 @@
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: Swagger Petstore
+  license:
+    name: MIT
+  description: |
+    This description is for testing
+    multi-line
+    description
+
+servers:
+  - url: http://petstore.swagger.io/v1
+paths:
+  /pets:
+    get:
+      summary: List all pets
+      operationId: listPets
+      tags:
+        - pets
+      parameters:
+        - name: limit
+          in: query
+          description: How many items to return at one time (max 100)
+          required: false
+          schema:
+            type: integer
+            format: int32
+      responses:
+        "200":
+          description: A paged array of pets
+          headers:
+            x-next:
+              description: A link to the next page of responses
+              schema:
+                type: string
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Pets"
+        default:
+          description: unexpected error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+                x-amazon-apigateway-integration:
+                  uri:
+                    Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${PythonVersionFunction.Arn}/invocations
+                  passthroughBehavior: when_no_templates
+                  httpMethod: POST
+                  type: aws_proxy
+    post:
+      summary: Create a pet
+      operationId: createPets
+      tags:
+        - pets
+      responses:
+        "201":
+          description: Null response
+        default:
+          description: unexpected error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+  /pets/{petId}:
+    get:
+      summary: Info for a specific pet
+      operationId: showPetById
+      tags:
+        - pets
+      parameters:
+        - name: petId
+          in: path
+          required: true
+          description: The id of the pet to retrieve
+          schema:
+            type: string
+      responses:
+        "200":
+          description: Expected response to a valid request
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Pets"
+        default:
+          description: unexpected error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+components:
+  schemas:
+    Pet:
+      required:
+        - id
+        - name
+      properties:
+        id:
+          type: integer
+          format: int64
+        name:
+          type: string
+        tag:
+          type: string
+    Pets:
+      type: array
+      description: list of pet
+      items:
+        $ref: "#/components/schemas/Pet"
+    Error:
+      required:
+        - code
+        - message
+      properties:
+        code:
+          type: integer
+          format: int32
+        message:
+          type: string

tests/test_generate.py

@@ -10,6 +10,7 @@
 OPEN_API_DEFAULT_TEMPLATE_DIR_NAME = Path('openapi') / 'default_template'
 OPEN_API_SECURITY_TEMPLATE_DIR_NAME = Path('openapi') / 'custom_template_security'
 OPEN_API_REMOTE_REF_DIR_NAME = Path('openapi') / 'remote_ref'
+OPEN_API_DISABLE_TIMESTAMP_DIR_NAME = Path('openapi') / 'disable_timestamp'
 
 DATA_DIR = Path(__file__).parent / 'data'
 
@@ -86,3 +87,27 @@ def test_generate_remote_ref(mocker):
         assert [f.name for f in output_files] == [f.name for f in expected_files]
         for output_file, expected_file in zip(output_files, expected_files):
             assert output_file.read_text() == expected_file.read_text()
+
+
+@pytest.mark.parametrize(
+    "oas_file", (DATA_DIR / OPEN_API_DISABLE_TIMESTAMP_DIR_NAME).glob("*.yaml")
+)
+@freeze_time("2020-06-19")
+def test_disable_timestamp(oas_file):
+    with TemporaryDirectory() as tmp_dir:
+        output_dir = Path(tmp_dir) / oas_file.stem
+        generate_code(
+            input_name=oas_file.name,
+            input_text=oas_file.read_text(),
+            output_dir=output_dir,
+            template_dir=None,
+            disable_timestamp=True,
+        )
+        expected_dir = (
+            EXPECTED_DIR / OPEN_API_DISABLE_TIMESTAMP_DIR_NAME / oas_file.stem
+        )
+        output_files = sorted(list(output_dir.glob('*')))
+        expected_files = sorted(list(expected_dir.glob('*')))
+        assert [f.name for f in output_files] == [f.name for f in expected_files]
+        for output_file, expected_file in zip(output_files, expected_files):
+            assert output_file.read_text() == expected_file.read_text()