chore(typing): Resolve or ignore pyright-only warnings

altair/_magics.py

@@ -1,23 +1,18 @@
 """Magic functions for rendering vega-lite specifications."""
 
-__all__ = ["vegalite"]
+from __future__ import annotations
 
 import json
 import warnings
+from importlib.util import find_spec
+from typing import Any
 
-import IPython
 from IPython.core import magic_arguments
 from narwhals.dependencies import is_pandas_dataframe as _is_pandas_dataframe
 
 from altair.vegalite import v5 as vegalite_v5
 
-try:
-    import yaml
-
-    YAML_AVAILABLE = True
-except ImportError:
-    YAML_AVAILABLE = False
-
+__all__ = ["vegalite"]
 
 RENDERERS = {
     "vega-lite": {
@@ -48,19 +43,21 @@ def _prepare_data(data, data_transformers):
         return data
 
 
-def _get_variable(name):
+def _get_variable(name: str) -> Any:
     """Get a variable from the notebook namespace."""
-    ip = IPython.get_ipython()
-    if ip is None:
+    from IPython.core.getipython import get_ipython
+
+    if ip := get_ipython():
+        if name not in ip.user_ns:
+            msg = f"argument '{name}' does not match the name of any defined variable"
+            raise NameError(msg)
+        return ip.user_ns[name]
+    else:
         msg = (
             "Magic command must be run within an IPython "
             "environment, in which get_ipython() is defined."
         )
         raise ValueError(msg)
-    if name not in ip.user_ns:
-        msg = f"argument '{name}' does not match the name of any defined variable"
-        raise NameError(msg)
-    return ip.user_ns[name]
 
 
 @magic_arguments.magic_arguments()
@@ -71,7 +68,7 @@ def _get_variable(name):
 )
 @magic_arguments.argument("-v", "--version", dest="version", default="v5")
 @magic_arguments.argument("-j", "--json", dest="json", action="store_true")
-def vegalite(line, cell):
+def vegalite(line, cell) -> vegalite_v5.VegaLite:
     """
     Cell magic for displaying vega-lite visualizations in CoLab.
 
@@ -91,7 +88,7 @@ def vegalite(line, cell):
 
     if args.json:
         spec = json.loads(cell)
-    elif not YAML_AVAILABLE:
+    elif not find_spec("yaml"):
         try:
             spec = json.loads(cell)
         except json.JSONDecodeError as err:
@@ -101,6 +98,8 @@ def vegalite(line, cell):
             )
             raise ValueError(msg) from err
     else:
+        import yaml
+
         spec = yaml.load(cell, Loader=yaml.SafeLoader)
 
     if args.data is not None:

altair/utils/_dfi_types.py

@@ -79,6 +79,7 @@ def dtype(self) -> tuple[Any, int, str, str]:
             - Data types not included: complex, Arrow-style null, binary, decimal,
               and nested (list, struct, map, union) dtypes.
         """
+        ...
 
     # Have to use a generic Any return type as not all libraries who implement
     # the dataframe interchange protocol implement the TypedDict that is usually
@@ -106,6 +107,7 @@ def describe_categorical(self) -> Any:
 
         TBD: are there any other in-memory representations that are needed?
         """
+        ...
 
 
 class DataFrame(Protocol):
@@ -137,12 +139,15 @@ def __dataframe__(
         necessary if a library supports strided buffers, given that this protocol
         specifies contiguous buffers.
         """
+        ...
 
     def column_names(self) -> Iterable[str]:
         """Return an iterator yielding the column names."""
+        ...
 
     def get_column_by_name(self, name: str) -> Column:
         """Return the column whose name is the indicated name."""
+        ...
 
     def get_chunks(self, n_chunks: int | None = None) -> Iterable[DataFrame]:
         """
@@ -156,3 +161,4 @@ def get_chunks(self, n_chunks: int | None = None) -> Iterable[DataFrame]:
         Note that the producer must ensure that all columns are chunked the
         same way.
         """
+        ...

altair/utils/core.py

@@ -222,7 +222,7 @@ def __dataframe__(
 
 
 def infer_vegalite_type_for_pandas(
-    data: object,
+    data: Any,
 ) -> InferredVegaLiteType | tuple[InferredVegaLiteType, list[Any]]:
     """
     From an array-like input, infer the correct vega typecode.
@@ -231,7 +231,7 @@ def infer_vegalite_type_for_pandas(
 
     Parameters
     ----------
-    data: object
+    data: Any
     """
     # This is safe to import here, as this function is only called on pandas input.
     from pandas.api.types import infer_dtype
@@ -738,10 +738,10 @@ def use_signature(tp: Callable[P, Any], /):
     """
 
     @overload
-    def decorate(cb: WrapsMethod[T, R], /) -> WrappedMethod[T, P, R]: ...
+    def decorate(cb: WrapsMethod[T, R], /) -> WrappedMethod[T, P, R]: ...  # pyright: ignore[reportOverlappingOverload]
 
     @overload
-    def decorate(cb: WrapsFunc[R], /) -> WrappedFunc[P, R]: ...
+    def decorate(cb: WrapsFunc[R], /) -> WrappedFunc[P, R]: ...  # pyright: ignore[reportOverlappingOverload]
 
     def decorate(cb: WrapsFunc[R], /) -> WrappedMethod[T, P, R] | WrappedFunc[P, R]:
         """
@@ -857,7 +857,7 @@ def from_cache(cls) -> _ChannelCache:
             cached = _CHANNEL_CACHE
         except NameError:
             cached = cls.__new__(cls)
-            cached.channel_to_name = _init_channel_to_name()
+            cached.channel_to_name = _init_channel_to_name()  # pyright: ignore[reportAttributeAccessIssue]
             cached.name_to_channel = _invert_group_channels(cached.channel_to_name)
             _CHANNEL_CACHE = cached
         return _CHANNEL_CACHE

altair/vegalite/v5/display.py

@@ -125,10 +125,6 @@ def browser_renderer(
         vegalite_version=VEGALITE_VERSION,
         **metadata,
     )
-
-    if isinstance(mimebundle, tuple):
-        mimebundle = mimebundle[0]
-
     html = mimebundle["text/html"]
     open_html_in_browser(html, using=using, port=port)
     return {}
@@ -162,7 +158,9 @@ def browser_renderer(
 renderers.register("json", json_renderer)
 renderers.register("png", png_renderer)
 renderers.register("svg", svg_renderer)
-renderers.register("jupyter", jupyter_renderer)
+# FIXME: Caused by upstream # type: ignore[unreachable]
+# https://github.com/manzt/anywidget/blob/b7961305a7304f4d3def1fafef0df65db56cf41e/anywidget/widget.py#L80-L81
+renderers.register("jupyter", jupyter_renderer)  # pyright: ignore[reportArgumentType]
 renderers.register("browser", browser_renderer)
 renderers.register("olli", olli_renderer)
 renderers.enable("default")

pyproject.toml

@@ -457,18 +457,12 @@ include=[
     "./doc/*.py",
 	"./tests/**/*.py",
 	"./tools/**/*.py",
+    "./sphinxext/**/*.py",
 ]
 ignore=[
-    "./altair/vegalite/v5/display.py",
-    "./altair/vegalite/v5/schema/",
-    "./altair/utils/core.py",
-    "./altair/utils/_dfi_types.py",
-    "./altair/_magics.py",
-    "./altair/jupyter/",
-    "./sphinxext/",
-    "./tests/test_jupyter_chart.py",
-    "./tests/utils/",
-    "./tests/test_magics.py",
-    "./tests/vegalite/v5/test_geo_interface.py",
-    "../../../**/Lib", # stdlib
+    "./altair/vegalite/v5/schema/channels.py",  # 716 warns
+    "./altair/vegalite/v5/schema/mixins.py",    # 1001 warns
+    "./altair/jupyter/",                        # Mostly untyped
+    "./tests/test_jupyter_chart.py",            # Based on untyped module
+    "../../../**/Lib",                          # stdlib
 ]

sphinxext/altairgallery.py

@@ -14,7 +14,7 @@
 from docutils import nodes
 from docutils.parsers.rst import Directive
 from docutils.parsers.rst.directives import flag
-from docutils.statemachine import ViewList
+from docutils.statemachine import StringList
 from sphinx.util.nodes import nested_parse_with_titles
 
 from altair.utils.execeval import eval_block
@@ -184,7 +184,7 @@ def save_example_pngs(
         else:
             # the file changed or the image file does not exist. Generate it.
             print(f"-> saving {image_file!s}")
-            chart = eval_block(code)
+            chart = eval_block(code, strict=True)
             try:
                 chart.save(image_file)
                 hashes[filename] = example_hash
@@ -303,7 +303,7 @@ def run(self) -> list[Node]:
         )
 
         # parse and return documentation
-        result = ViewList()
+        result = StringList()
         for line in include.split("\n"):
             result.append(line, "<altair-minigallery>")
         node = nodes.paragraph()

sphinxext/code_ref.py

@@ -108,7 +108,7 @@ def gen() -> Iterator[nodes.Node]:
 
 
 def theme_names() -> tuple[Sequence[str], Sequence[str]]:
-    names: set[VegaThemes] = set(get_args(VegaThemes))
+    names: set[str] = set(get_args(VegaThemes))
     carbon = {nm for nm in names if nm.startswith("carbon")}
     return ["default", *sorted(names - carbon)], sorted(carbon)
 
@@ -180,8 +180,8 @@ class ThemeDirective(SphinxDirective):
         https://pyscript.net/
     """
 
-    has_content: ClassVar[Literal[False]] = False
-    required_arguments: ClassVar[Literal[1]] = 1
+    has_content: ClassVar[bool] = False
+    required_arguments: ClassVar[int] = 1
     option_spec = {
         "packages": validate_packages,
         "dropdown-label": directives.unchanged,
@@ -226,14 +226,16 @@ def run(self) -> Sequence[nodes.Node]:
         )
         results.append(raw_html("</div></p>\n"))
         return maybe_details(
-            results, self.options, default_summary="Show Vega-Altair Theme Test"
+            results,
+            self.options,  # pyright: ignore[reportArgumentType]
+            default_summary="Show Vega-Altair Theme Test",
         )
 
 
 class PyScriptDirective(SphinxDirective):
     """Placeholder for non-theme related directive."""
 
-    has_content: ClassVar[Literal[False]] = False
+    has_content: ClassVar[bool] = False
     option_spec = {"packages": directives.unchanged}
 
     def run(self) -> Sequence[nodes.Node]:
@@ -282,9 +284,9 @@ class CodeRefDirective(SphinxDirective):
         https://github.com/vega/sphinxext-altair
     """
 
-    has_content: ClassVar[Literal[False]] = False
-    required_arguments: ClassVar[Literal[1]] = 1
-    option_spec: ClassVar[dict[_Option, Callable[[str], Any]]] = {
+    has_content: ClassVar[bool] = False
+    required_arguments: ClassVar[int] = 1
+    option_spec: ClassVar[dict[_Option, Callable[[str], Any]]] = {  # pyright: ignore[reportIncompatibleVariableOverride]
         "output": validate_output,
         "fold": directives.flag,
         "summary": directives.unchanged_required,
@@ -302,8 +304,8 @@ def __init__(
         state: RSTState,
         state_machine: RSTStateMachine,
     ) -> None:
-        super().__init__(name, arguments, options, content, lineno, content_offset, block_text, state, state_machine)  # fmt: skip
-        self.options: dict[_Option, Any]
+        super().__init__(name, arguments, options, content, lineno, content_offset, block_text, state, state_machine)  # fmt: skip # pyright: ignore[reportArgumentType]
+        self.options: dict[_Option, Any]  # pyright: ignore[reportIncompatibleVariableOverride]
 
     def run(self) -> Sequence[nodes.Node]:
         qual_name = self.arguments[0]

sphinxext/schematable.py

@@ -8,7 +8,7 @@
 from docutils import frontend, nodes, utils
 from docutils.parsers.rst import Directive
 from docutils.parsers.rst.directives import flag
-from myst_parser.docutils_ import Parser
+from myst_parser.parsers.docutils_ import Parser
 from sphinx import addnodes
 
 from tools.schemapi.utils import SchemaInfo, fix_docstring_issues
@@ -95,7 +95,7 @@ def add_text(node: nodes.paragraph, text: str) -> nodes.paragraph:
     for part in reCode.split(text):
         if part:
             if is_text:
-                node += nodes.Text(part, part)
+                node += nodes.Text(part, part)  # pyright: ignore[reportCallIssue]
             else:
                 node += nodes.literal(part, part)
 
@@ -108,7 +108,7 @@ def build_row(
     item: tuple[str, dict[str, Any]], rootschema: dict[str, Any] | None
 ) -> nodes.row:
     """Return nodes.row with property description."""
-    prop, propschema, _ = item
+    prop, propschema = item
     row = nodes.row()
 
     # Property
@@ -165,17 +165,16 @@ def build_schema_table(
 
 def select_items_from_schema(
     schema: dict[str, Any], props: list[str] | None = None
-) -> Iterator[tuple[Any, Any, bool] | tuple[str, Any, bool]]:
-    """Return iterator  (prop, schema.item, required) on prop, return all in None."""
+) -> Iterator[tuple[Any, Any] | tuple[str, Any]]:
+    """Return iterator  (prop, schema.item) on prop, return all in None."""
     properties = schema.get("properties", {})
-    required = schema.get("required", [])
     if not props:
         for prop, item in properties.items():
-            yield prop, item, prop in required
+            yield prop, item
     else:
         for prop in props:
             try:
-                yield prop, properties[prop], prop in required
+                yield prop, properties[prop]
             except KeyError as err:
                 msg = f"Can't find property: {prop}"
                 raise Exception(msg) from err

sphinxext/utils.py

@@ -46,7 +46,7 @@ def create_generic_image(
     arr = np.zeros((shape[0], shape[1], 3))
     if gradient:
         # gradient from gray to white
-        arr += np.linspace(128, 255, shape[1])[:, None]
+        arr += np.linspace(128, 255, shape[1])[:, None]  # pyright: ignore[reportCallIssue,reportArgumentType]
     im = Image.fromarray(arr.astype("uint8"))
     im.save(filename)
 
@@ -138,12 +138,12 @@ def get_docstring_and_rest(filename: str) -> tuple[str, str | None, str, int]:
     try:
         # In python 3.7 module knows its docstring.
         # Everything else will raise an attribute error
-        docstring = node.docstring
+        docstring = node.docstring  # pyright: ignore[reportAttributeAccessIssue]
 
         import tokenize
         from io import BytesIO
 
-        ts = tokenize.tokenize(BytesIO(content).readline)
+        ts = tokenize.tokenize(BytesIO(content).readline)  # pyright: ignore[reportArgumentType]
         ds_lines = 0
         # find the first string according to the tokenizer and get
         # it's end row
@@ -163,7 +163,7 @@ def get_docstring_and_rest(filename: str) -> tuple[str, str | None, str, int]:
             and isinstance(node.body[0].value, (ast.Str, ast.Constant))
         ):
             docstring_node = node.body[0]
-            docstring = docstring_node.value.s
+            docstring = docstring_node.value.s  # pyright: ignore[reportAttributeAccessIssue]
             # python2.7: Code was read in bytes needs decoding to utf-8
             # unless future unicode_literals is imported in source which
             # make ast output unicode strings
@@ -203,8 +203,8 @@ def dict_hash(dct: dict[Any, Any]) -> Any:
     serialized = json.dumps(dct, sort_keys=True)
 
     try:
-        m = hashlib.sha256(serialized)[:32]
+        m = hashlib.sha256(serialized)[:32]  # pyright: ignore[reportArgumentType,reportIndexIssue]
     except TypeError:
-        m = hashlib.sha256(serialized.encode())[:32]
+        m = hashlib.sha256(serialized.encode())[:32]  # pyright: ignore[reportIndexIssue]
 
     return m.hexdigest()