97 lines
4.1 KiB
Python
97 lines
4.1 KiB
Python
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from model import *
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import shutil
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class Server:
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def __init__(self, name, config):
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self.name = name
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self.config = config
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self.path = config['path']
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self.pluginPath = self.path+'/plugins'
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def plugins(self):
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return [PluginSpec(p['name'], p['version']) for p in self.config['plugins']]
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def add_plugin(self, pluginSpec):
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for plugin in self.config['plugins']:
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if plugin['name'] == pluginSpec.name:
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raise KeyError("Cannot add plugin multiple times.")
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self.config['plugins'].append({'name': pluginSpec.name, 'version': str(pluginSpec.versionSpec)})
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def pluginStates(self, repos):
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managedPluginFilenames = []
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for plugin in self.plugins():
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compatibleVersions = []
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pluginLinkName = '{}.jar'.format(plugin.name)
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managedPluginFilenames.append(pluginLinkName)
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if os.path.exists(os.path.join(self.pluginPath, pluginLinkName)) and not os.path.islink(os.path.join(self.pluginPath, pluginLinkName)):
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yield SymlinkConflict(plugin)
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continue
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for installedVersion in self.versionsForPlugin(plugin.name, repos):
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if installedVersion in plugin.versionSpec:
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compatibleVersions.append(installedVersion)
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if len(compatibleVersions) == 0:
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for repo in repos:
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for repoPlugin in repo.plugins():
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if repoPlugin.name == plugin.name and repoPlugin.version in plugin.versionSpec:
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compatibleVersions.append(repoPlugin)
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if len(compatibleVersions) == 0:
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yield MissingVersions(plugin)
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else:
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preferredVersion = list(reversed(sorted(compatibleVersions)))[0]
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yield Available(preferredVersion)
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else:
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preferredVersion = list(reversed(sorted(compatibleVersions)))[0]
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currentVersion = self.currentVersionForPlugin(plugin.name)
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if currentVersion == preferredVersion:
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yield Installed(plugin, currentVersion)
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else:
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yield OutdatedSymlink(plugin, currentVersion, preferredVersion)
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otherPlugins = os.listdir(self.pluginPath)
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for pluginFile in otherPlugins:
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if os.path.isfile(os.path.join(self.pluginPath, pluginFile)) and pluginFile not in managedPluginFilenames:
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yield UnmanagedFile(pluginFile)
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def currentVersionForPlugin(self, pluginName):
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pluginSymlink = os.path.join(self.pluginPath, pluginName + '.jar')
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if not os.path.lexists(pluginSymlink):
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return None
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suffix = '.jar'
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pluginJar = os.path.basename(os.readlink(pluginSymlink))
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jarVersion = pluginJar[len(pluginName)+1:len(pluginJar)-len(suffix)]
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try:
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pluginSemver = Version.coerce(jarVersion)
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except ValueError:
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pluginSemver = jarVersion
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return pluginSemver
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def versionsForPlugin(self, pluginName, repos):
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plugins = os.listdir(os.path.join(self.pluginPath, 'versions'))
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for pluginJar in plugins:
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if pluginJar.startswith(pluginName):
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prefix = pluginName + '-'
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suffix = '.jar'
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jarVersion = pluginJar[len(prefix):len(pluginJar)-len(suffix)]
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try:
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pluginSemver = Version.coerce(jarVersion)
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except ValueError:
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pluginSemver = jarVersion
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yield pluginSemver
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def updateSymlinkForPlugin(self, plugin, version):
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pluginFilename = os.path.join(self.pluginPath, 'versions/{}-{}.jar'.format(plugin.name, version))
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pluginSymlink = os.path.join(self.pluginPath, plugin.name + '.jar')
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linkDst = os.path.relpath(pluginFilename, self.pluginPath)
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if os.path.lexists(pluginSymlink):
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os.unlink(pluginSymlink)
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os.symlink(linkDst, pluginSymlink)
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def installVersion(self, plugin):
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dest = os.path.join(self.pluginPath, 'versions/{}-{}.jar'.format(plugin.name, plugin.version))
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shutil.copyfile(plugin.path, dest)
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