如何获取应用自身的源文件路径

this.uiAbilityContext.abilityInfo.applicationInfo.codePath
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import bundleManager from '@ohos.bundle.bundleManager'; 
bundleManager.getBundleInfoForSelf(bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_APPLICATION).then((bundleInfo)=>{ 
  this.sourcePath = bundleInfo.appInfo.codePath; 
})
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