Added script to update version in headers and variables.

header_version_updater.py

@@ -0,0 +1,45 @@
+import re
+from pathlib import Path
+
+version = input("New version = ").strip()
+
+js_file = Path("melpomene.js")
+css_file = Path("melpomene.css")
+js_css_match = r"(?<=/\* Version ).*(?= \*/)"
+
+js_variable_match = r"(?<=const MELPOMENE_VERSION = \").*(?=\";)"
+
+html_file = Path("melpomene.html")
+demo_high_res_file = Path("demos/pepper_and_carrot_e35_highres.html")
+demo_low_res_file = Path("demos/pepper_and_carrot_e35_lowres.html")
+html_match = r"(?<=<!-- Version ).*(?= -->)"
+
+zoom_generator_file = Path("zooms_generator.py")
+zoom_generator_match = r"(?<=# Version ).*(?=$)"
+
+
+def replace_version(version, file_path, matcher):
+    with open(file=file_path, mode="r", encoding="UTF8") as file:
+        file_data = file.read()
+
+    file_data = re.sub(matcher, version, file_data)
+
+    with open(file=file_path, mode="w", encoding="UTF8") as file:
+        file.write(file_data)
+
+
+if re.match(r"[.a-zA-Z\ \-0-9]{1,30}", version):
+    replace_version(version, js_file, js_css_match)
+    replace_version(version, js_file, js_variable_match)
+
+    replace_version(version, css_file, js_css_match)
+
+    replace_version(version, html_file, html_match)
+    replace_version(version, demo_high_res_file, html_match)
+    replace_version(version, demo_low_res_file, html_match)
+
+    replace_version(version, zoom_generator_file, zoom_generator_match)
+
+    print("Done")
+else:
+    print("Input is not valid : only use letters, numbers, spaces, dots and dashes")