posit-dev/gt-extras

enhancement: add rows parameter to any function that relies on `GT.fmt()`

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#165 opened on Aug 18, 2025

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enhancementgood first issue

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Description

For example, we could adapt the type signature of gt_plt_bar() to the following:

def gt_plt_bar(
    gt: GT,
    columns: SelectExpr = None,
    rows: int | list[int] | None = None,
    fill: str = "purple",
    bar_height: float = 20,
    height: float = 30,
    width: float = 60,
    stroke_color: str | None = "black",
    show_labels: bool = False,
    label_color: str = "white",
    domain: list[int] | list[float] | None = None,
    keep_columns: bool = False,
) -> GT:

The key addition being rows: int | list[int] | None = None,

Contributor guide

Research direction
Examine all functions that call `GT.fmt()` and add a `rows` parameter with appropriate type hint and logic to filter rows.
Tech stack
python
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitPython
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75