added offline python to js conversion.

Author: sspickle

batch_convert.py

@@ -0,0 +1,44 @@
+import argparse
+import os
+import subprocess
+
+def convert_file(input_path, output_path):
+    """Converts a single Python file to an HTML snippet."""
+    try:
+        converter_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'convert.js')
+        result = subprocess.run(
+            ['node', converter_path, input_path],
+            capture_output=True,
+            text=True,
+            check=True
+        )
+        with open(output_path, 'w') as f:
+            f.write(result.stdout)
+        print(f"Successfully converted {input_path} to {output_path}")
+    except subprocess.CalledProcessError as e:
+        print(f"Error converting {input_path}: {e.stderr}")
+    except Exception as e:
+        print(f"An error occurred: {e}")
+
+def main():
+    parser = argparse.ArgumentParser(description="Convert Python files to HTML snippets.")
+    parser.add_argument("input_dir", help="The input directory containing Python files.")
+    parser.add_argument("output_dir", help="The output directory for the HTML files.")
+    args = parser.parse_args()
+
+    if not os.path.isdir(args.input_dir):
+        print(f"Error: Input directory not found at {args.input_dir}")
+        return
+
+    if not os.path.exists(args.output_dir):
+        os.makedirs(args.output_dir)
+
+    for filename in os.listdir(args.input_dir):
+        if filename.endswith(".py"):
+            input_path = os.path.join(args.input_dir, filename)
+            output_filename = os.path.splitext(filename)[0] + ".html"
+            output_path = os.path.join(args.output_dir, output_filename)
+            convert_file(input_path, output_path)
+
+if __name__ == "__main__":
+    main()

convert.js

@@ -0,0 +1,101 @@
+
+const fs = require('fs');
+
+/*
+** Stand alone nodejs script to compile a GlowScript program and output the HTML
+*/
+
+global.window = {}
+global.RS = require('./package/RScompiler.3.2.min.js')
+global.RapydScript = RS.RapydScript; // script assumes RapydScript is gobal for some reason
+//debugger;
+
+function inlineHTML(source) {
+    // This function is used to inline the source code in the HTML
+    // It replaces newlines with <br> and escapes double quotes
+    // source = "Web VPython 3.2\n\n\nball=sphere()"
+
+    var header = {
+        "version": "3.2",
+        "lang": "vpython",
+        "nodictionary": false,
+        "source": source,
+        "ok": "3.2",
+        "unpackaged": false,
+        "isCurrent": true
+    }
+
+    var embedHTML = '' // Will be an ampty string if there is a compile error
+    var embedScript = window.glowscript_compile(header.source,
+                {lang: header.lang, version: header.version.substr(0,3), 
+                run: false, nodictionary: header.nodictionary})
+    // console.log('ide 1343', embedScript)
+    var divid = "glowscript"
+    var main
+    var v = Number(header.version.substr(0,3))
+    if (v >= 2.9) main = '__main__()' // Starting August 2019, no longer using Streamine
+    var remove = header.version==='0.3' ? '' : '.removeAttr("id")'
+
+    embedScript = ";(function() {" + embedScript + '\n;$(function(){ window.__context = { glowscript_container: $("#' + divid + '")'+remove+' }; '+main+' })})()'
+    embedScript = embedScript.replace("</", "<\/") // escape anything that could be a close script tag... hopefully this sequence only occurs in strings!
+    var verdir = "bef1.1"
+    if (v == 1.1) verdir = "1.1"
+    else if (v >= 2.2) verdir = "2.1"
+    else verdir = header.version.substr(0,3)
+    var runner = ''
+    var exporturl = "https://www.glowscript.org/"
+    if (v >= 2.5 && v < 3.0) exporturl = "https://s3.amazonaws.com/glowscript/"
+    // Note: some already exported 3.0 programs contain references to s3.amazonaws.com
+    if (header.lang == 'vpython') 
+        runner = '<script type="text/javascript" src="'+exporturl+'package/RSrun.' + header.version + '.min.js"></script>\n'
+    embedHTML = ( // embedHTML is a var introduced above to make it easy for downloadHTML
+        '<div id="' + divid + '" class="glowscript">\n' + 
+        '<meta http-equiv="Content-Type" content="text/html; charset=utf-8">\n' + 
+        '<link type="text/css" href="'+exporturl+'css/redmond/' + verdir + '/jquery-ui.custom.css" rel="stylesheet" />\n' + 
+        '<link type="text/css" href="'+exporturl+'css/ide.css" rel="stylesheet" />\n' + 
+        '<script type="text/javascript" src="'+exporturl+'lib/jquery/' + verdir + '/jquery.min.js"></script>\n' + 
+        '<script type="text/javascript" src="'+exporturl+'lib/jquery/' + verdir + '/jquery-ui.custom.min.js"></script>\n' + 
+        '<script type="text/javascript" src="'+exporturl+'package/glow.' + header.version + '.min.js"></script>\n' + 
+        runner +
+        '<script type="text/javascript"><!--//--><![CDATA[//><!--\n\n// START JAVASCRIPT\n' + 
+        embedScript + '\n// END JAVASCRIPT\n' + 
+        '\n//--><!]]></script>' + 
+        '\n</div>');
+
+    return embedHTML
+}
+
+function doCheck(source) {
+    // This function checks the source code and returns an object with the result
+    var result = {ok: true, message: '', html: ''};
+    try {
+        var html = inlineHTML(source);
+        result.html = html;
+    } catch (e) {
+        result.ok = false;
+        result.message = e.message;
+    }
+    return result;
+}
+
+const filePath = process.argv[2];
+if (!filePath) {
+    console.error('Usage: node convert.js <path_to_python_file>');
+    process.exit(1);
+}
+
+fs.readFile(filePath, 'utf8', (err, source) => {
+    if (err) {
+        console.error(`Error reading file: ${err}`);
+        process.exit(1);
+    }
+
+    const result = doCheck(source);
+
+    if (result.ok) {
+        console.log(result.html);
+    } else {
+        console.error(result.message);
+        process.exit(1);
+    }
+});