fix: escape cell contents if bad Rich markup; improve tooltip formatting

.github/workflows/static.yml

@@ -48,6 +48,6 @@ jobs:
       - name: Run analysis
         run: |
           source .venv/bin/activate
-          black . --check
-          ruff .
+          ruff format --check
+          ruff check .
           mypy

.pre-commit-config.yaml

@@ -1,19 +1,16 @@
 repos:
-  - repo: https://github.com/psf/black
-    rev: 23.7.0
-    hooks:
-      - id: black
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.1.4
+    rev: v0.5.1
     hooks:
+      - id: ruff-format
       - id: ruff
         args: [ --fix, --exit-non-zero-on-fix ]
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.5.1
+    rev: v1.10.1
     hooks:
       - id: mypy
         additional_dependencies:
-          - textual>=0.48.1
+          - textual>=0.72.0
           - pytest
           - pyarrow-stubs
           - pandas-stubs

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+-   Fixes a crash when cell contents contained bad Rich Markdown ([tconbeer/harlequin#569](https://github.com/tconbeer/harlequin/issues/569)).
+-   Improves the appearance of data tooltips.
+
 ## [0.7.1] - 2024-02-09
 
 -   Adds a `backend.source_data` property to exposue the underlying Arrow table, before slicing.

Makefile

@@ -1,14 +1,14 @@
 .PHONY: check
 check:
-	black .
+	ruff format .
 	pytest
-	ruff . --fix
+	ruff check . --fix
 	mypy
 
 .PHONY: lint
 lint:
-	black .
-	ruff . --fix
+	ruff format .
+	ruff check . --fix
 	mypy
 
 .PHONY: serve

pyproject.toml

@@ -29,9 +29,8 @@ numpy = { version="^1", python=">=3.9,<3.13" }
 pyinstrument = "^4.6.0"
 
 [tool.poetry.group.static.dependencies]
-black = "^23.3.0"
-ruff = ">=0.2,<0.5"
-mypy = "^1.2.0"
+ruff = "^0.5"
+mypy = "^1.10.0"
 pandas-stubs = { version="^2.1.1", python=">=3.9,<3.13" }
 
 [tool.poetry.group.test.dependencies]

src/textual_fastdatatable/data_table.py

@@ -25,6 +25,8 @@
 from __future__ import annotations
 
 import functools
+from datetime import date, datetime, time, timedelta
+from decimal import Decimal
 from itertools import chain, zip_longest
 from typing import Any, ClassVar, Iterable, NamedTuple, Tuple, Union
 
@@ -557,7 +559,9 @@ def __init__(
                 backend
                 if backend is not None
                 else create_backend(
-                    data, max_rows=max_rows, has_header=(column_labels is None)  # type: ignore
+                    data,  # type: ignore[arg-type]
+                    max_rows=max_rows,
+                    has_header=(column_labels is None),  # type: ignore
                 )
             )
         except (TypeError, OSError) as e:
@@ -584,9 +588,9 @@ def __init__(
         """Cache for individual cells."""
         self._line_cache: LRUCache[LineCacheKey, Strip] = LRUCache(1000)
         """Cache for lines within rows."""
-        self._tooltip_cache: LRUCache[
-            TooltipCacheKey, RenderableType | None
-        ] = LRUCache(1000)
+        self._tooltip_cache: LRUCache[TooltipCacheKey, RenderableType | None] = (
+            LRUCache(1000)
+        )
         """Cache for values for the tooltip"""
         # self._offset_cache: LRUCache[int, list[tuple[RowKey, int]]] = LRUCache(1)
         """Cached y_offset - key is update_count - see y_offsets property for more
@@ -2424,7 +2428,9 @@ async def move_cursor_to_mouse_down(self, event: events.MouseDown) -> None:
             # TODO: support row labels.
             # row = self.ordered_rows[row_index]
             row_message = DataTable.RowLabelSelected(
-                self, row_index, label=Text()  # label=row.label
+                self,
+                row_index,
+                label=Text(),  # label=row.label
             )
             self.post_message(row_message)
         elif self.show_cursor and self.cursor_type != "none":
@@ -2499,9 +2505,10 @@ def set_hover_or_cursor_from_mouse(self, event: events.MouseMove) -> None:
     def _set_tooltip_from_cell_at(self, coordinate: Coordinate) -> None:
         # TODO: support row labels
         cache_key = (coordinate.row, coordinate.column, self._update_count)
+        column = self.ordered_columns[coordinate.column]
         if cache_key not in self._tooltip_cache:
             if coordinate.row == -1:  # hover over header
-                raw_value = self.ordered_columns[coordinate.column].label
+                raw_value = column.label
             else:
                 raw_value = self.get_cell_at(coordinate)
             if raw_value is None:
@@ -2510,11 +2517,16 @@ def _set_tooltip_from_cell_at(self, coordinate: Coordinate) -> None:
             if (
                 self.max_column_content_width is not None
                 and measured_width > self.max_column_content_width
-            ) or (
-                measured_width > self.ordered_columns[coordinate.column].render_width
-            ):
+            ) or (measured_width > column.render_width):
                 if isinstance(raw_value, Text):
                     self._tooltip_cache[cache_key] = raw_value
+                elif isinstance(
+                    raw_value,
+                    (str, float, Decimal, int, datetime, time, date, timedelta),
+                ):
+                    self._tooltip_cache[cache_key] = cell_formatter(
+                        raw_value, null_rep=self.null_rep, col=column
+                    )
                 else:
                     self._tooltip_cache[cache_key] = Pretty(raw_value)
             else:

src/textual_fastdatatable/formatter.py

@@ -6,6 +6,8 @@
 
 from rich.align import Align
 from rich.console import Console, RenderableType
+from rich.errors import MarkupError
+from rich.markup import escape
 from rich.protocol import is_renderable
 from rich.text import Text
 
@@ -29,7 +31,11 @@ def cell_formatter(
     if obj is None:
         return Align(null_rep, align="center")
     elif isinstance(obj, str):
-        return Text.from_markup(obj)
+        try:
+            rich_text: Text | str = Text.from_markup(obj)
+        except MarkupError:
+            rich_text = escape(obj)
+        return rich_text
     elif isinstance(obj, bool):
         return Align(
             f"[dim]{'✓' if obj else 'X'}[/] {obj}{' ' if obj else ''}",