Configure pylint and fix linter violations (#179)

See https://pylint.readthedocs.io/en/stable/

This PR also updates the project to adopt [GitHub's "Scripts to Rule
Them All"
convention](https://github.com/github/scripts-to-rule-them-all).

---------

Signed-off-by: Mattt Zmuda <[email protected]>

Author: mattt

.github/workflows/ci.yaml

@@ -28,15 +28,13 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           cache: "pip"
-      - name: Install dependencies
-        run: |
-          python -m pip install -r requirements.txt -r requirements-dev.txt .
-          yes | python -m mypy --install-types replicate || true
 
-      - name: Lint
-        run: |
-          python -m mypy replicate
-          python -m ruff .
-          python -m ruff format --check .
+      - name: Setup
+        run: ./script/setup
+
       - name: Test
-        run: python -m pytest
+        run: ./script/test
+
+      - name: Lint
+        run: ./script/lint
+        

pyproject.toml

@@ -13,6 +13,7 @@ requires-python = ">=3.8"
 dependencies = ["packaging", "pydantic>1", "httpx>=0.21.0,<1"]
 optional-dependencies = { dev = [
     "mypy",
+    "pylint",
     "pytest",
     "pytest-asyncio",
     "pytest-recording",
@@ -27,13 +28,27 @@ repository = "https://github.com/replicate/replicate-python"
 [tool.pytest.ini_options]
 testpaths = "tests/"
 
+[tool.setuptools]
+# See https://github.com/pypa/setuptools/issues/3197#issuecomment-1078770109
+py-modules = []
+
 [tool.setuptools.package-data]
 "replicate" = ["py.typed"]
 
 [tool.mypy]
 plugins = "pydantic.mypy"
 exclude = ["tests/"]
 
+[tool.pylint.main]
+disable = [
+    "C0301", # Line too long
+    "C0413", # Import should be placed at the top of the module
+    "C0114", # Missing module docstring
+    "R0801", # Similar lines in N files
+    "W0212", # Access to a protected member
+    "W0622", # Redefining built-in
+]
+
 [tool.ruff]
 select = [
     "E",   # pycodestyle error

replicate/base_model.py

@@ -24,6 +24,7 @@ def reload(self) -> None:
         """
         Load this object from the server again.
         """
-        new_model = self._collection.get(self.id)
-        for k, v in new_model.dict().items():
+
+        new_model = self._collection.get(self.id)  # pylint: disable=no-member
+        for k, v in new_model.dict().items():  # pylint: disable=invalid-name
             setattr(self, k, v)

replicate/client.py

@@ -84,18 +84,30 @@ def _request(self, method: str, path: str, **kwargs) -> httpx.Response:
 
     @property
     def models(self) -> ModelCollection:
+        """
+        Namespace for operations related to models.
+        """
         return ModelCollection(client=self)
 
     @property
     def predictions(self) -> PredictionCollection:
+        """
+        Namespace for operations related to predictions.
+        """
         return PredictionCollection(client=self)
 
     @property
     def trainings(self) -> TrainingCollection:
+        """
+        Namespace for operations related to trainings.
+        """
         return TrainingCollection(client=self)
 
     @property
     def deployments(self) -> DeploymentCollection:
+        """
+        Namespace for operations related to deployments.
+        """
         return DeploymentCollection(client=self)
 
     def run(self, model_version: str, **kwargs) -> Union[Any, Iterator[Any]]:  # noqa: ANN401

replicate/collection.py

@@ -5,6 +5,7 @@
     from replicate.client import Client
 
 from replicate.base_model import BaseModel
+from replicate.exceptions import ReplicateException
 
 Model = TypeVar("Model", bound=BaseModel)
 
@@ -17,20 +18,21 @@ class Collection(abc.ABC, Generic[Model]):
     def __init__(self, client: "Client") -> None:
         self._client = client
 
-    @abc.abstractproperty
-    def model(self) -> Model:
+    @property
+    @abc.abstractmethod
+    def model(self) -> Model:  # pylint: disable=missing-function-docstring
         pass
 
     @abc.abstractmethod
-    def list(self) -> List[Model]:
+    def list(self) -> List[Model]:  # pylint: disable=missing-function-docstring
         pass
 
     @abc.abstractmethod
-    def get(self, key: str) -> Model:
+    def get(self, key: str) -> Model:  # pylint: disable=missing-function-docstring
         pass
 
     @abc.abstractmethod
-    def create(self, **kwargs) -> Model:
+    def create(self, **kwargs) -> Model:  # pylint: disable=missing-function-docstring
         pass
 
     def prepare_model(self, attrs: Union[Model, Dict]) -> Model:
@@ -41,13 +43,12 @@ def prepare_model(self, attrs: Union[Model, Dict]) -> Model:
             attrs._client = self._client
             attrs._collection = self
             return cast(Model, attrs)
-        elif (
-            isinstance(attrs, dict) and self.model is not None and callable(self.model)
-        ):
+
+        if isinstance(attrs, dict) and self.model is not None and callable(self.model):
             model = self.model(**attrs)
             model._client = self._client
             model._collection = self
             return model
-        else:
-            name = self.model.__name__ if hasattr(self.model, "__name__") else "model"
-            raise Exception(f"Can't create {name} from {attrs}")
+
+        name = self.model.__name__ if hasattr(self.model, "__name__") else "model"
+        raise ReplicateException(f"Can't create {name} from {attrs}")

replicate/deployment.py

@@ -35,9 +35,19 @@ def predictions(self) -> "DeploymentPredictionCollection":
 
 
 class DeploymentCollection(Collection):
+    """
+    Namespace for operations related to deployments.
+    """
+
     model = Deployment
 
     def list(self) -> List[Deployment]:
+        """
+        List deployments.
+
+        Raises:
+            NotImplementedError: This method is not implemented.
+        """
         raise NotImplementedError()
 
     def get(self, name: str) -> Deployment:
@@ -56,6 +66,12 @@ def get(self, name: str) -> Deployment:
         return self.prepare_model({"username": username, "name": name})
 
     def create(self, **kwargs) -> Deployment:
+        """
+        Create a deployment.
+
+        Raises:
+            NotImplementedError: This method is not implemented.
+        """
         raise NotImplementedError()
 
     def prepare_model(self, attrs: Union[Deployment, Dict]) -> Deployment:
@@ -74,6 +90,12 @@ def __init__(self, client: "Client", deployment: Deployment) -> None:
         self._deployment = deployment
 
     def list(self) -> List[Prediction]:
+        """
+        List predictions in a deployment.
+
+        Raises:
+            NotImplementedError: This method is not implemented.
+        """
         raise NotImplementedError()
 
     def get(self, id: str) -> Prediction:

replicate/files.py

@@ -7,36 +7,34 @@
 import httpx
 
 
-def upload_file(fh: io.IOBase, output_file_prefix: Optional[str] = None) -> str:
+def upload_file(file: io.IOBase, output_file_prefix: Optional[str] = None) -> str:
     """
     Upload a file to the server.
 
     Args:
-        fh: A file handle to upload.
+        file: A file handle to upload.
         output_file_prefix: A string to prepend to the output file name.
     Returns:
         str: A URL to the uploaded file.
     """
     # Lifted straight from cog.files
 
-    fh.seek(0)
+    file.seek(0)
 
     if output_file_prefix is not None:
-        name = getattr(fh, "name", "output")
+        name = getattr(file, "name", "output")
         url = output_file_prefix + os.path.basename(name)
-        resp = httpx.put(url, files={"file": fh}, timeout=None)  # type: ignore
+        resp = httpx.put(url, files={"file": file}, timeout=None)  # type: ignore
         resp.raise_for_status()
+
         return url
 
-    b = fh.read()
-    # The file handle is strings, not bytes
-    if isinstance(b, str):
-        b = b.encode("utf-8")
-    encoded_body = base64.b64encode(b)
-    if getattr(fh, "name", None):
-        # despite doing a getattr check here, mypy complains that io.IOBase has no attribute name
-        mime_type = mimetypes.guess_type(fh.name)[0]  # type: ignore
-    else:
-        mime_type = "application/octet-stream"
-    s = encoded_body.decode("utf-8")
-    return f"data:{mime_type};base64,{s}"
+    body = file.read()
+    # Ensure the file handle is in bytes
+    body = body.encode("utf-8") if isinstance(body, str) else body
+    encoded_body = base64.b64encode(body).decode("utf-8")
+    # Use getattr to avoid mypy complaints about io.IOBase having no attribute name
+    mime_type = (
+        mimetypes.guess_type(getattr(file, "name", ""))[0] or "application/octet-stream"
+    )
+    return f"data:{mime_type};base64,{encoded_body}"

replicate/json.py

@@ -6,11 +6,12 @@
 try:
     import numpy as np  # type: ignore
 
-    has_numpy = True
+    HAS_NUMPY = True
 except ImportError:
-    has_numpy = False
+    HAS_NUMPY = False
 
 
+# pylint: disable=too-many-return-statements
 def encode_json(
     obj: Any,  # noqa: ANN401
     upload_file: Callable[[io.IOBase], str],
@@ -25,11 +26,11 @@ def encode_json(
     if isinstance(obj, (list, set, frozenset, GeneratorType, tuple)):
         return [encode_json(value, upload_file) for value in obj]
     if isinstance(obj, Path):
-        with obj.open("rb") as f:
-            return upload_file(f)
+        with obj.open("rb") as file:
+            return upload_file(file)
     if isinstance(obj, io.IOBase):
         return upload_file(obj)
-    if has_numpy:
+    if HAS_NUMPY:
         if isinstance(obj, np.integer):
             return int(obj)
         if isinstance(obj, np.floating):

replicate/model.py

@@ -107,6 +107,10 @@ def versions(self) -> VersionCollection:
 
 
 class ModelCollection(Collection):
+    """
+    Namespace for operations related to models.
+    """
+
     model = Model
 
     def list(self) -> List[Model]:
@@ -136,6 +140,12 @@ def get(self, key: str) -> Model:
         return self.prepare_model(resp.json())
 
     def create(self, **kwargs) -> Model:
+        """
+        Create a model.
+
+        Raises:
+            NotImplementedError: This method is not implemented.
+        """
         raise NotImplementedError()
 
     def prepare_model(self, attrs: Union[Model, Dict]) -> Model:

replicate/prediction.py

@@ -103,7 +103,7 @@ def wait(self) -> None:
         Wait for prediction to finish.
         """
         while self.status not in ["succeeded", "failed", "canceled"]:
-            time.sleep(self._client.poll_interval)
+            time.sleep(self._client.poll_interval)  # pylint: disable=no-member
             self.reload()
 
     def output_iterator(self) -> Iterator[Any]:
@@ -114,7 +114,7 @@ def output_iterator(self) -> Iterator[Any]:
             new_output = output[len(previous_output) :]
             yield from new_output
             previous_output = output
-            time.sleep(self._client.poll_interval)
+            time.sleep(self._client.poll_interval)  # pylint: disable=no-member
             self.reload()
 
         if self.status == "failed":
@@ -129,10 +129,14 @@ def cancel(self) -> None:
         """
         Cancels a running prediction.
         """
-        self._client._request("POST", f"/v1/predictions/{self.id}/cancel")
+        self._client._request("POST", f"/v1/predictions/{self.id}/cancel")  # pylint: disable=no-member
 
 
 class PredictionCollection(Collection):
+    """
+    Namespace for operations related to predictions.
+    """
+
     model = Prediction
 
     def list(self) -> List[Prediction]: