chore: merge feature branch

Author: MarkusNeusinger

.github/workflows/ci-plottest.yml

@@ -66,8 +66,8 @@ jobs:
           echo "📦 Installing: uv sync $EXTRAS"
           uv sync $EXTRAS
 
-      - name: Setup Chrome for Highcharts
-        if: steps.detect_libs.outputs.has_plots == 'true' && contains(steps.detect_libs.outputs.libraries, 'highcharts')
+      - name: Setup Chrome for Selenium-based libraries
+        if: steps.detect_libs.outputs.has_plots == 'true' && (contains(steps.detect_libs.outputs.libraries, 'highcharts') || contains(steps.detect_libs.outputs.libraries, 'bokeh'))
         uses: browser-actions/setup-chrome@v1
         with:
           chrome-version: stable

plots/bokeh/quad/histogram-basic/default.py

@@ -0,0 +1,51 @@
+"""
+histogram-basic: Basic Histogram
+Library: bokeh
+"""
+
+import numpy as np
+from bokeh.io import export_png
+from bokeh.plotting import figure
+
+
+# Data - 500 normally distributed values (mean=100, std=15)
+np.random.seed(42)
+values = np.random.normal(100, 15, 500)
+
+# Compute histogram bins
+hist, edges = np.histogram(values, bins=30)
+
+# Create figure (4800 x 2700 px for high resolution)
+p = figure(width=4800, height=2700, title="Basic Histogram", x_axis_label="Value", y_axis_label="Frequency")
+
+# Draw histogram using quad glyph
+p.quad(
+    top=hist,
+    bottom=0,
+    left=edges[:-1],
+    right=edges[1:],
+    fill_color="#306998",
+    fill_alpha=0.7,
+    line_color="white",
+    line_width=1,
+)
+
+# Style title
+p.title.text_font_size = "20pt"
+p.title.align = "center"
+
+# Style axis labels
+p.xaxis.axis_label_text_font_size = "20pt"
+p.yaxis.axis_label_text_font_size = "20pt"
+p.xaxis.major_label_text_font_size = "16pt"
+p.yaxis.major_label_text_font_size = "16pt"
+
+# Style grid - subtle
+p.xgrid.grid_line_alpha = 0.3
+p.ygrid.grid_line_alpha = 0.3
+
+# Ensure y-axis starts at zero
+p.y_range.start = 0
+
+# Save output
+export_png(p, filename="plot.png")

pyproject.toml

@@ -75,7 +75,7 @@ plotting = [
 lib-matplotlib = ["matplotlib>=3.9.0", "numpy>=1.26.0", "pandas>=2.2.0"]
 lib-seaborn = ["seaborn>=0.13.0", "matplotlib>=3.9.0", "numpy>=1.26.0", "pandas>=2.2.0"]
 lib-plotly = ["plotly>=5.18.0", "kaleido>=0.2.1", "numpy>=1.26.0", "pandas>=2.2.0"]
-lib-bokeh = ["bokeh>=3.4.0", "numpy>=1.26.0", "pandas>=2.2.0"]
+lib-bokeh = ["bokeh>=3.4.0", "numpy>=1.26.0", "pandas>=2.2.0", "selenium>=4.15.0", "webdriver-manager>=4.0.0"]
 lib-altair = ["altair>=5.2.0", "vl-convert-python>=1.3.0", "numpy>=1.26.0", "pandas>=2.2.0"]
 lib-plotnine = ["plotnine>=0.13.0", "numpy>=1.26.0", "pandas>=2.2.0"]
 lib-pygal = ["pygal>=3.0.0", "cairosvg>=2.7.0", "pandas>=2.2.0"]