<enclosure url="{{ item.url }}"

sparkle:version="{{ item.version }}"

sparkle:shortVersionString="{{ item.shortVersion }}"

length="{{ item.sizeInBytes }}"

type="application/octet-stream" />

</item>

{% endfor %}</channel>

</rss>''')

matchingReleases = [i for i in releases if re.match(regexPattern, i.version)]

matchingReleases = matchingReleases[:2] # only include the first two matches in the appcast

appcastContent = template.render(title=title, appcast_url=appcastURL, description=description, releases=matchingReleases)

contentParsesOK = False

try:

x = ET.fromstring(appcastContent)

contentParsesOK = True

except :

contentParsesOK = False

if contentParsesOK:

with open(filename, 'w') as file:

file.write(appcastContent)

else:

print("Failed to generate valid appcast feed %s." % filename)

parser = argparse.ArgumentParser(description='Generate stable/testing/development appcast feeds for Sparkle updater.')

parser.add_argument('downloadsFolder', type=str, help="e.g. /Users/foo/website/downloads/")

parser.add_argument('downloadsURL', type=str, help="e.g. https://swift.im/downloads/")

args = parser.parse_args()

releasesPath = os.path.join(args.downloadsFolder, "releases")

developmentMacPath = os.path.join(args.downloadsFolder, "development", "mac")

manualReleases = getReleaseFilesInReleasesFolder(releasesPath, urlparse.urljoin(args.downloadsURL, "releases/"), "*.dmg")

manualReleases.sort(key=lambda release: release.date, reverse=True)

automaticReleases = manualReleases

automaticReleases.extend(getReleaseFilesInDevelopmentFolder(developmentMacPath, urlparse.urljoin(args.downloadsURL, "development/mac/"), "*.dmg"))

automaticReleases.sort(key=lambda release: release.date, reverse=True)

title="Swift Stable Releases",

description="",

regexPattern="^Swift\-\d+(\.\d+)?(\.\d+)?$",

appcastURL=urlparse.urljoin(args.downloadsURL, "swift-stable-appcast-mac.xml"),

releases=manualReleases)

title="Swift Testing Releases",

description="",

regexPattern="^Swift\-\d+(\.\d+)?(\.\d+)?(beta\d+)?(rc\d+)?$",

appcastURL=urlparse.urljoin(args.downloadsURL, "swift-testing-appcast-mac.xml"),

releases=manualReleases)

title="Swift Development Releases",

description="",

regexPattern="^Swift\-\d+(\.\d+)?(\.\d+)?(alpha)?(beta\d+)?(rc\d+)?(-dev\d+)?$",

appcastURL=urlparse.urljoin(args.downloadsURL, "swift-development-appcast-mac.xml"),

releases=automaticReleases)