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[pie-basic] pygal implementation #273
Description
Activity
- added a parent issue
on Dec 6, 2025 Attempt 1/3
Technical Approach
- Imports:
import pygal, from pygal.style import Style - Plot function:
pygal.Pie
Status
- PR: feat(pygal): implement pie-basic #354
- File:
plots/pygal/pie/pie-basic/default.py - Workflow: 19995639840
- Imports:
🧪 Test Results (PR #354)
Python:
📊 Plot Preview (Python 3.13)
pygal (default) - UPDATE
Before After View version history (3 versions)
🤖 Generated by gen-preview workflow
AI Review - Attempt 1/3
Quality Evaluation
Evaluator Score Verdict Claude 88/100 approve Criteria Checklist
- [N/A] VQ-001: Axes labeled - Not applicable for pie charts
- VQ-002: Visual clarity - Clean white background, slices clearly visible
- VQ-003: Elements clear - All 5 slices well-proportioned and distinguishable
- VQ-004: No overlap - Legend properly positioned at bottom, no text overlap
- VQ-005: Legend present - All 5 categories shown in legend
- VQ-006: Colorblind safe - Colors reasonably distinguishable (blue, yellow, red, green, violet)
- VQ-007: Image size - Uses 1600x900 default instead of 4800x2700 target
- VQ-008: Title - "Market Share Distribution" centered and clear
- CQ-001: Type hints present - Full type annotations on function signature
- CQ-002: Docstring - Complete Google-style with Args, Returns, Raises, Example
- CQ-003: Input validation - Validates empty data, missing columns, negative values, zero sum
- CQ-004: Clear error messages - Includes available columns and context
- CQ-005: No magic numbers - All values parameterized with meaningful defaults
- CR-001: Data accurate - Correct columns used, percentages calculated correctly
- CR-002: Spec compliance - Implements all required features from spec
- CR-003: Edge cases - Handles empty data, NaN, negative values, zero sum
Issues Found
- VQ-007 PARTIAL: Default figsize is 1600x900 instead of target 4800x2700. The image produced is smaller than recommended, though proportions are correct (16:9 aspect ratio).
Positive Notes
- Excellent input validation with comprehensive error handling
- Clean, readable code with proper documentation
- PyPlots color palette integration
- Flexible parameters for legend position and inner radius (donut support)
- Percentage formatting on pie slices
AI Feedback for Next Attempt
If regeneration needed: Update default figsize from (1600, 900) to (4800, 2700) on line 26
Verdict: APPROVED
The implementation is high quality with comprehensive validation, proper documentation, and clean visual output. The minor image size default deviation (-4 points) doesn't warrant rejection as the aspect ratio is correct and the implementation is otherwise excellent. Score: 88/100 (Good - acceptable).
- added a commit that references this issue
on Dec 7, 2025 Merged
pygal implementation for
pie-basichas been merged!
🚀 Auto-merged by pyplots CI
[pie-basic] pygal Implementation
Parent Issue: #206
Spec:
specs/pie-basic.mdLibrary: pygal
Feature Branch:
plot/pie-basicAttempt History
Attempts will be documented below as comments.