mirror of
				https://github.com/zulip/zulip.git
				synced 2025-11-03 21:43:21 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			64 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import json
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import logging
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from typing import Any
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import requests
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from zerver.lib.cache import cache_with_key
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from zerver.lib.outgoing_http import OutgoingSession
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logger = logging.getLogger(__name__)
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class GithubSession(OutgoingSession):
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    def __init__(self, **kwargs: Any) -> None:
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        super().__init__(role="github", timeout=5, **kwargs)
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def get_latest_github_release_version_for_repo(repo: str) -> str:
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    api_url = f"https://api.github.com/repos/zulip/{repo}/releases/latest"
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    try:
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        return GithubSession().get(api_url).json()["tag_name"]
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    except (requests.RequestException, json.JSONDecodeError, KeyError):
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        logger.exception(
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            "Unable to fetch the latest release version from GitHub %s", api_url, stack_info=True
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        )
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        return ""
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def verify_release_download_link(link: str) -> bool:
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    try:
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        GithubSession().head(link).raise_for_status()
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        return True
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    except requests.RequestException:
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        logger.error("App download link is broken %s", link)
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        return False
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PLATFORM_TO_SETUP_FILE = {
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    "linux": "Zulip-{version}-x86_64.AppImage",
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    "mac": "Zulip-{version}-x64.dmg",
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    "mac-arm64": "Zulip-{version}-arm64.dmg",
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    "windows": "Zulip-Web-Setup-{version}.exe",
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}
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class InvalidPlatformError(Exception):
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    pass
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@cache_with_key(lambda platform: f"download_link:{platform}", timeout=60 * 30)
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def get_latest_github_release_download_link_for_platform(platform: str) -> str:
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    if platform not in PLATFORM_TO_SETUP_FILE:
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        raise InvalidPlatformError
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    latest_version = get_latest_github_release_version_for_repo("zulip-desktop")
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    if latest_version:
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        if latest_version[0] in ["v", "V"]:
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            latest_version = latest_version[1:]
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        setup_file = PLATFORM_TO_SETUP_FILE[platform].format(version=latest_version)
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        link = f"https://desktop-download.zulip.com/v{latest_version}/{setup_file}"
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        if verify_release_download_link(link):
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            return link
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    return "https://github.com/zulip/zulip-desktop/releases/latest"
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