Add base code for REST API using Flask

2022-03-26 01:07:47 +01:00 · 2022-03-26 01:07:47 +01:00 · 2da6e43797
parent 0be947b3d1
commit 2da6e43797
12 changed files with 266 additions and 14 deletions
--- a/2
+++ b/2
@ -40,7 +40,7 @@ docker-logs:

 .PHONY: docker-run
 docker-run:
-	$(DOCKER_RUN) "$(CMD)"
+	$(DOCKER_RUN) $(CMD)

 .PHONY: docker-shell
 docker-shell:
--- a/2
+++ b/2
@ -6,6 +6,8 @@ name = "pypi"
 [packages]
 gunicorn = "~=20.1"
 werkzeug = "~=2.0"
+flask = "~=2.0"
+pyyaml = "*"

 [dev-packages]

--- a/Pipfile.lock
+++ b/Pipfile.lock
@ -1,7 +1,7 @@
 {
    "_meta": {
        "hash": {
-            "sha256": "574b2898e332128ecb874d71081cf7a8c62e4e219a603d0d76a5d9afb3ac164c"
+            "sha256": "57e212392ff70382ed9ae0637e05f3696fa1d815f226e564910d296f7e2b5027"
        },
        "pipfile-spec": 6,
        "requires": {
@ -16,6 +16,22 @@
        ]
    },
    "default": {
+        "click": {
+            "hashes": [
+                "sha256:6a7a62563bbfabfda3a38f3023a1db4a35978c0abd76f6c9605ecd6554d6d9b1",
+                "sha256:8458d7b1287c5fb128c90e23381cf99dcde74beaf6c7ff6384ce84d6fe090adb"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==8.0.4"
+        },
+        "flask": {
+            "hashes": [
+                "sha256:59da8a3170004800a2837844bfa84d49b022550616070f7cb1a659682b2e7c9f",
+                "sha256:e1120c228ca2f553b470df4a5fa927ab66258467526069981b3eb0a91902687d"
+            ],
+            "index": "pypi",
+            "version": "==2.0.3"
+        },
        "gunicorn": {
            "hashes": [
                "sha256:9dcc4547dbb1cb284accfb15ab5667a0e5d1881cc443e0677b4882a4067a807e",
@ -24,6 +40,107 @@
            "index": "pypi",
            "version": "==20.1.0"
        },
+        "itsdangerous": {
+            "hashes": [
+                "sha256:2c2349112351b88699d8d4b6b075022c0808887cb7ad10069318a8b0bc88db44",
+                "sha256:5dbbc68b317e5e42f327f9021763545dc3fc3bfe22e6deb96aaf1fc38874156a"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.1.2"
+        },
+        "jinja2": {
+            "hashes": [
+                "sha256:a2f09a92f358b96b5f6ca6ecb4502669c4acb55d8733bbb2b2c9c4af5564c605",
+                "sha256:da424924c069a4013730d8dd010cbecac7e7bb752be388db3741688bffb48dc6"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==3.1.0"
+        },
+        "markupsafe": {
+            "hashes": [
+                "sha256:0212a68688482dc52b2d45013df70d169f542b7394fc744c02a57374a4207003",
+                "sha256:089cf3dbf0cd6c100f02945abeb18484bd1ee57a079aefd52cffd17fba910b88",
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+                "sha256:dda30ba7e87fbbb7eab1ec9f58678558fd9a6b8b853530e176eabd064da81417",
+                "sha256:e04e26803c9c3851c931eac40c695602c6295b8d432cbe78609649ad9bd2da8a",
+                "sha256:e1c0b87e09fa55a220f058d1d49d3fb8df88fbfab58558f1198e08c1e1de842a",
+                "sha256:e72591e9ecd94d7feb70c1cbd7be7b3ebea3f548870aa91e2732960fa4d57a37",
+                "sha256:e8c843bbcda3a2f1e3c2ab25913c80a3c5376cd00c6e8c4a86a89a28c8dc5452",
+                "sha256:efc1913fd2ca4f334418481c7e595c00aad186563bbc1ec76067848c7ca0a933",
+                "sha256:f121a1420d4e173a5d96e47e9a0c0dcff965afdf1626d28de1460815f7c4ee7a",
+                "sha256:fc7b548b17d238737688817ab67deebb30e8073c95749d55538ed473130ec0c7"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.1.1"
+        },
+        "pyyaml": {
+            "hashes": [
+                "sha256:0283c35a6a9fbf047493e3a0ce8d79ef5030852c51e9d911a27badfde0605293",
+                "sha256:055d937d65826939cb044fc8c9b08889e8c743fdc6a32b33e2390f66013e449b",
+                "sha256:07751360502caac1c067a8132d150cf3d61339af5691fe9e87803040dbc5db57",
+                "sha256:0b4624f379dab24d3725ffde76559cff63d9ec94e1736b556dacdfebe5ab6d4b",
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+                "sha256:9df7ed3b3d2e0ecfe09e14741b857df43adb5a3ddadc919a2d94fbdf78fea53c",
+                "sha256:9fa600030013c4de8165339db93d182b9431076eb98eb40ee068700c9c813e34",
+                "sha256:a80a78046a72361de73f8f395f1f1e49f956c6be882eed58505a15f3e430962b",
+                "sha256:b3d267842bf12586ba6c734f89d1f5b871df0273157918b0ccefa29deb05c21c",
+                "sha256:b5b9eccad747aabaaffbc6064800670f0c297e52c12754eb1d976c57e4f74dcb",
+                "sha256:c5687b8d43cf58545ade1fe3e055f70eac7a5a1a0bf42824308d868289a95737",
+                "sha256:cba8c411ef271aa037d7357a2bc8f9ee8b58b9965831d9e51baf703280dc73d3",
+                "sha256:d15a181d1ecd0d4270dc32edb46f7cb7733c7c508857278d3d378d14d606db2d",
+                "sha256:d4db7c7aef085872ef65a8fd7d6d09a14ae91f691dec3e87ee5ee0539d516f53",
+                "sha256:d4eccecf9adf6fbcc6861a38015c2a64f38b9d94838ac1810a9023a0609e1b78",
+                "sha256:d67d839ede4ed1b28a4e8909735fc992a923cdb84e618544973d7dfc71540803",
+                "sha256:daf496c58a8c52083df09b80c860005194014c3698698d1a57cbcfa182142a3a",
+                "sha256:e61ceaab6f49fb8bdfaa0f92c4b57bcfbea54c09277b1b4f7ac376bfb7a7c174",
+                "sha256:f84fbc98b019fef2ee9a1cb3ce93e3187a6df0b2538a651bfb890254ba9f90b5"
+            ],
+            "index": "pypi",
+            "version": "==6.0"
+        },
        "setuptools": {
            "hashes": [
                "sha256:6221e37dc86fcdc9dad9d9eb2002e9f9798fe4aca1bf18f280e66e50c0eb7fca",
--- a/config.dev.yml
+++ b/config.dev.yml
@ -0,0 +1 @@
+SECRET_KEY: 'development'
--- a/development.env
+++ b/development.env
@ -0,0 +1,3 @@
+FLASK_APP=tofu_api.app
+FLASK_ENV=development
+FLASK_CONFIG_FILE=config.dev.yml
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -9,10 +9,12 @@ services:
        # Use an ".env" file to overwrite this variable if your local user's UID is not 1000.
        DEV_USER_UID: ${DEV_USER_UID:-1000}
    ports:
-      - '8080:8080'
+      - '5000:5000'
    volumes:
      - ./:/app/
-    command: gunicorn --bind=0.0.0.0:8080 --reload tofu_api.app:app
+    env_file:
+      - development.env
+    command: flask run --host=0.0.0.0

 volumes:
  mariadb_data:
--- a/tofu_api/api/init.py
+++ b/tofu_api/api/init.py
@ -0,0 +1 @@
+from .rest_api import TofuApiBlueprint
--- a/tofu_api/api/rest_api.py
+++ b/tofu_api/api/rest_api.py
@ -0,0 +1,14 @@
+from flask import Blueprint
+
+from .tasks import TaskApiBlueprint
+
+
+class TofuApiBlueprint(Blueprint):
+    """
+    Main blueprint for the Tofu REST API.
+    """
+
+    def __init__(self):
+        super().__init__('rest_api', __name__, url_prefix='/api')
+
+        self.register_blueprint(TaskApiBlueprint())
--- a/tofu_api/api/tasks/init.py
+++ b/tofu_api/api/tasks/init.py
@ -0,0 +1 @@
+from .task_api import TaskApiBlueprint
--- a/tofu_api/api/tasks/task_api.py
+++ b/tofu_api/api/tasks/task_api.py
@ -0,0 +1,84 @@
+from flask import Blueprint, jsonify
+from flask.views import MethodView
+
+
+class TaskApiBlueprint(Blueprint):
+    """
+    Blueprint for the tasks REST API.
+    """
+
+    def __init__(self):
+        super().__init__('rest_api_tasks', __name__, url_prefix='/tasks')
+
+        self.add_url_rule(
+            '/',
+            view_func=TaskCollectionView.as_view(TaskCollectionView.__name__),
+            methods=['GET', 'POST'],
+        )
+        self.add_url_rule(
+            '/<int:task_id>',
+            view_func=TaskItemView.as_view(TaskItemView.__name__),
+            methods=['GET', 'PATCH', 'DELETE'],
+        )
+
+
+class TaskCollectionView(MethodView):
+    """
+    View class for `/tasks` endpoint.
+    """
+
+    def get(self):
+        """
+        Get list of all tasks.
+        """
+        # TODO: Get actual data
+        return jsonify({
+            'count': 1,
+            'items': [
+                {
+                    'id': 1,
+                    'title': 'Do stuff',
+                    'description': '',
+                    'status': 'open',
+                },
+            ],
+        }), 200
+
+    def post(self):
+        """
+        Create a new task.
+        """
+        # TODO: Implement
+        raise NotImplementedError
+
+
+class TaskItemView(MethodView):
+    """
+    View class for `/tasks/<int:task_id>` endpoint.
+    """
+
+    def get(self, task_id: int):
+        """
+        Get a single task by ID.
+        """
+        # TODO: Get actual data
+        return jsonify({
+            'id': task_id,
+            'title': 'Do stuff',
+            'description': '',
+            'status': 'open',
+        }), 200
+
+    def patch(self, task_id: int):
+        """
+        Update a single task by ID.
+        """
+        # TODO: Implement
+        raise NotImplementedError
+
+    def delete(self, task_id: int):
+        """
+        Delete a single task by ID.
+        """
+        # TODO: Implement
+        raise NotImplementedError
--- a/tofu_api/app.py
+++ b/tofu_api/app.py
@ -1,10 +1,32 @@
-def app(environ, start_response):
-    """Simplest possible application object"""
-    data = b'Hello, wooorld!\n'
-    status = '200 OK'
-    response_headers = [
-        ('Content-type', 'text/plain'),
-        ('Content-Length', str(len(data)))
-    ]
-    start_response(status, response_headers)
-    return iter([data])
+import os
+
+import yaml
+from flask import Flask
+
+from tofu_api.api import TofuApiBlueprint
+from tofu_api.config import DefaultConfig
+
+
+def create_app() -> Flask:
+    """
+    App factory, returns a Flask app object.
+    """
+    # Set instance path to the project root directory
+    project_root_dir = os.path.abspath('.')
+
+    # Create and configure the app
+    app = Flask(
+        'tofu_api',
+        instance_path=project_root_dir,
+        instance_relative_config=True,
+    )
+    app.config.from_object(DefaultConfig)
+
+    # Load app configuration from YAML file
+    app.config.from_file(os.getenv('FLASK_CONFIG_FILE', default='config.yml'), load=yaml.safe_load)
+
+    # Register blueprints
+    app.register_blueprint(TofuApiBlueprint())
+
+    # Return WSGI app
+    return app
--- a/tofu_api/config.py
+++ b/tofu_api/config.py
@ -0,0 +1,5 @@
+class DefaultConfig:
+    """
+    This class defined default values for the app configuration.
+    """
+    # TODO