meson: docs: introduce meson-html-gen.py helper

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>

scripts/meson-html-gen.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import argparse
+import os
+import subprocess
+
+parser = argparse.ArgumentParser()
+parser.add_argument("xsltproc", type=str, help="path to xsltproc bin")
+parser.add_argument("xmllint", type=str, help="path to xmllint bin")
+parser.add_argument("builddir", type=str, help="build root dir path")
+parser.add_argument("timestamp", type=str, help="docs timestamp")
+parser.add_argument("style", type=str, help="XSL stile file")
+parser.add_argument("infile", type=str, help="path to source HTML file")
+parser.add_argument("htmlfile", type=str, help="path to generated HTML file")
+parser.add_argument("pagesrc", type=str, help="path to source file used for edit this page")
+args = parser.parse_args()
+
+name = os.path.basename(args.htmlfile).replace('.html', '')
+
+html_tmp = subprocess.run(
+    [
+        args.xsltproc,
+        '--stringparam', 'pagename', name,
+        '--stringparam', 'pagesrc', args.pagesrc,
+        '--stringparam', 'builddir', args.builddir,
+        '--stringparam', 'timestamp', args.timestamp,
+        '--nonet', args.style, args.infile,
+    ],
+    stdout=subprocess.PIPE,
+    stderr=subprocess.PIPE,
+)
+
+html = subprocess.run(
+    [args.xmllint, '--nonet', '--format', '-'],
+    input=html_tmp.stdout,
+    stdout=subprocess.PIPE,
+    stderr=subprocess.PIPE,
+)
+
+with open(args.htmlfile, 'wb') as outfile:
+    outfile.write(html.stdout)

scripts/meson.build

@@ -20,6 +20,7 @@ scripts = [
   'hyperv_wmi_generator.py',
   'meson-gen-def.py',
   'meson-gen-sym.py',
+  'meson-html-gen.py',
   'meson-install-dirs.py',
   'meson-install-symlink.py',
   'meson-python.sh',