/// <summary>
/// Load and deserialize this lambda's dependency file
/// </summary>
/// <returns>Deserialized Dependencies</returns>
public List <LambdaDependency> LoadDependencies()
{
if (this.cachedDependencies != null)
{
return(this.cachedDependencies);
}
this.cachedDependencies = new List <LambdaDependency>();
var dependencyFile = this.GetDependencyFile();
if (dependencyFile == null)
{
return(this.cachedDependencies);
}
if (System.IO.Path.GetFileName(dependencyFile) == RequirementsTxt)
{
this.cachedDependencies = this.LoadDependenciesFromRequirements(dependencyFile);
return(this.cachedDependencies);
}
// Ensure input file path is absolute
dependencyFile = System.IO.Path.GetFullPath(dependencyFile);
try
{
using (var reader = File.OpenText(dependencyFile))
{
var dependencies =
new YamlDotNet.Serialization.Deserializer().Deserialize <List <LambdaDependency> >(reader);
// Make dependency locations absolute
this.cachedDependencies =
dependencies.Select(d => d.ResolveDependencyLocation(dependencyFile)).ToList();
return(this.cachedDependencies);
}
}
catch (Exception e)
{
// Look for DirectoryNotFoundException raised by LambdaDependency setter to reduce stack trace
var resolvedException = e;
var dirException = e.FindInner <DirectoryNotFoundException>();
if (dirException != null)
{
resolvedException = dirException;
}
throw new PackagerException(
$"Error deserializing {dependencyFile}: {resolvedException.Message}",
resolvedException);
}
}
