Add scripts to regenerate and sort pytest-mpl baselines.

regen_mpl_baseline.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+tox -e py36 -- --mpl-generate-path=tests/baseline
+
+tox -e py36 -- --mpl-generate-hash-library=image_hashes_36.json
+tox -e py37 -- --mpl-generate-hash-library=image_hashes_37.json
+tox -e py38 -- --mpl-generate-hash-library=image_hashes_38.json
+tox -e py39 -- --mpl-generate-hash-library=image_hashes.json
+
+python3 sort_hashes_json.py

sort_hashes_json.py

@@ -0,0 +1,37 @@
+# stdlib
+import json
+
+expected_order = [
+		"tests.test_Display.test_plot_mass_spec_width",
+		"tests.test_Display.test_plot_ic",
+		"tests.test_Display.test_plot_tic",
+		"tests.test_Display.test_plot_ic_title",
+		"tests.test_Display.test_plot_ic_linestyle",
+		"tests.test_Display.test_plot_tic_linewidth",
+		"tests.test_Display.test_plot_mass_spec",
+		"tests.test_Display.test_plot_ic_multiple",
+		"tests.test_Display.test_plot_mass_spec_alpha",
+		"tests.test_Display.test_plot_tic_alpha",
+		"tests.test_Display.test_plot_tic_title",
+		"tests.test_Display.test_plot_tic_linestyle",
+		"tests.test_Display.test_plot_mass_spec_linestyle",
+		"tests.test_Display.test_plot_ic_label",
+		"tests.test_Display.test_plot_tic_label",
+		"tests.test_Display.test_plot_ic_alpha",
+		"tests.test_Display.test_plot_ic_linewidth",
+		"tests.test_Display.test_plot_mass_spec_title",
+		]
+
+for filename in [
+		"tests/image_hashes_36.json",
+		"tests/image_hashes_37.json",
+		"tests/image_hashes_38.json",
+		"tests/image_hashes.json",
+		]:
+	with open(filename, encoding="UTF-8") as fp:
+		data = list(json.load(fp).items())
+
+	data.sort(key=lambda x: expected_order.index(x[0]))
+	with open(filename, 'w', encoding="UTF-8") as fp:
+		json.dump(dict(data), fp, indent=2)
+		fp.write('\n')