mirror of
https://github.com/OrcaSlicer/OrcaSlicer.git
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WIP: auto update
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SoftFever
208
scripts/generate_appcast.py
Executable file
208
scripts/generate_appcast.py
Executable file
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#!/usr/bin/env python3
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"""
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Generate appcast.xml for Sparkle/WinSparkle auto-updates.
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This script generates an appcast XML file that can be used by both
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Sparkle (macOS) and WinSparkle (Windows) for auto-update functionality.
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Usage:
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python generate_appcast.py --version 2.1.0 \
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--win-url https://github.com/.../OrcaSlicer_Windows.exe \
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--win-signature "BASE64_SIGNATURE" \
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--win-length 150000000 \
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--mac-url https://github.com/.../OrcaSlicer_Mac.dmg \
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--mac-signature "BASE64_SIGNATURE" \
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--mac-length 200000000 \
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--release-notes-url https://github.com/.../releases/tag/v2.1.0 \
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--output appcast.xml
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"""
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import argparse
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import os
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import sys
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from datetime import datetime, timezone
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from xml.etree import ElementTree as ET
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from xml.dom import minidom
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SPARKLE_NS = "http://www.andymatuschak.org/xml-namespaces/sparkle"
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DC_NS = "http://purl.org/dc/elements/1.1/"
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def create_appcast(
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version: str,
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release_notes_url: str,
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win_url: str = None,
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win_signature: str = None,
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win_length: int = None,
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mac_url: str = None,
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mac_signature: str = None,
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mac_length: int = None,
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title: str = "OrcaSlicer Updates",
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description: str = "Most recent updates to OrcaSlicer",
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link: str = "https://github.com/OrcaSlicer/OrcaSlicer",
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) -> str:
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"""
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Create an appcast XML string.
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Args:
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version: Version string (e.g., "2.1.0")
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release_notes_url: URL to release notes HTML page
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win_url: Download URL for Windows installer
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win_signature: EdDSA signature for Windows installer
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win_length: File size in bytes for Windows installer
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mac_url: Download URL for macOS DMG
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mac_signature: EdDSA signature for macOS DMG
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mac_length: File size in bytes for macOS DMG
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title: Feed title
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description: Feed description
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link: Link to project homepage
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Returns:
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XML string of the appcast
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"""
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# Register namespaces
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ET.register_namespace("sparkle", SPARKLE_NS)
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ET.register_namespace("dc", DC_NS)
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# Create root RSS element
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rss = ET.Element("rss")
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rss.set("version", "2.0")
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rss.set(f"xmlns:sparkle", SPARKLE_NS)
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rss.set(f"xmlns:dc", DC_NS)
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# Create channel
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channel = ET.SubElement(rss, "channel")
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ET.SubElement(channel, "title").text = title
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ET.SubElement(channel, "link").text = link
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ET.SubElement(channel, "description").text = description
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ET.SubElement(channel, "language").text = "en"
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# Create item for this release
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item = ET.SubElement(channel, "item")
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ET.SubElement(item, "title").text = f"Version {version}"
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# Publication date in RFC 2822 format
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pub_date = datetime.now(timezone.utc).strftime("%a, %d %b %Y %H:%M:%S +0000")
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ET.SubElement(item, "pubDate").text = pub_date
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# Release notes link
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release_notes = ET.SubElement(item, f"{{{SPARKLE_NS}}}releaseNotesLink")
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release_notes.text = release_notes_url
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# Windows enclosure
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if win_url and win_signature:
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win_enclosure = ET.SubElement(item, "enclosure")
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win_enclosure.set("url", win_url)
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win_enclosure.set(f"{{{SPARKLE_NS}}}version", version)
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win_enclosure.set(f"{{{SPARKLE_NS}}}os", "windows")
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win_enclosure.set(f"{{{SPARKLE_NS}}}edSignature", win_signature)
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if win_length:
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win_enclosure.set("length", str(win_length))
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win_enclosure.set("type", "application/octet-stream")
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# macOS enclosure
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if mac_url and mac_signature:
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mac_enclosure = ET.SubElement(item, "enclosure")
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mac_enclosure.set("url", mac_url)
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mac_enclosure.set(f"{{{SPARKLE_NS}}}version", version)
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mac_enclosure.set(f"{{{SPARKLE_NS}}}os", "macos")
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mac_enclosure.set(f"{{{SPARKLE_NS}}}edSignature", mac_signature)
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if mac_length:
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mac_enclosure.set("length", str(mac_length))
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mac_enclosure.set("type", "application/octet-stream")
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# Convert to pretty-printed string
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rough_string = ET.tostring(rss, encoding="unicode", method="xml")
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reparsed = minidom.parseString(rough_string)
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pretty_xml = reparsed.toprettyxml(indent=" ", encoding=None)
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# Remove extra blank lines
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lines = [line for line in pretty_xml.split("\n") if line.strip()]
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return "\n".join(lines)
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def main():
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parser = argparse.ArgumentParser(
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description="Generate appcast.xml for OrcaSlicer auto-updates",
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formatter_class=argparse.RawDescriptionHelpFormatter,
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epilog=__doc__,
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)
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parser.add_argument(
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"--version", "-v", required=True, help="Version string (e.g., 2.1.0)"
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)
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parser.add_argument(
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"--release-notes-url",
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"-r",
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required=True,
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help="URL to release notes page",
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)
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parser.add_argument(
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"--win-url", help="Download URL for Windows installer"
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)
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parser.add_argument(
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"--win-signature", help="EdDSA signature for Windows installer"
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)
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parser.add_argument(
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"--win-length", type=int, help="File size in bytes for Windows installer"
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)
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parser.add_argument(
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"--mac-url", help="Download URL for macOS DMG"
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)
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parser.add_argument(
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"--mac-signature", help="EdDSA signature for macOS DMG"
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)
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parser.add_argument(
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"--mac-length", type=int, help="File size in bytes for macOS DMG"
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)
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parser.add_argument(
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"--output", "-o", default="appcast.xml", help="Output file path"
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)
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parser.add_argument(
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"--title", default="OrcaSlicer Updates", help="Feed title"
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)
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parser.add_argument(
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"--link",
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default="https://github.com/OrcaSlicer/OrcaSlicer",
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help="Project homepage URL",
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)
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args = parser.parse_args()
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# Validate that at least one platform is specified
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has_windows = args.win_url and args.win_signature
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has_macos = args.mac_url and args.mac_signature
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if not has_windows and not has_macos:
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print(
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"Error: At least one platform (Windows or macOS) must have both URL and signature",
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file=sys.stderr,
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)
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sys.exit(1)
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# Generate appcast
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xml_content = create_appcast(
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version=args.version,
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release_notes_url=args.release_notes_url,
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win_url=args.win_url,
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win_signature=args.win_signature,
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win_length=args.win_length,
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mac_url=args.mac_url,
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mac_signature=args.mac_signature,
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mac_length=args.mac_length,
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title=args.title,
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link=args.link,
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)
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# Write output
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if args.output == "-":
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print(xml_content)
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else:
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with open(args.output, "w", encoding="utf-8") as f:
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f.write(xml_content)
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print(f"Appcast written to: {args.output}")
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if __name__ == "__main__":
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main()
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