/// <summary>
/// Recursively resolves the dependencies of a given package.
/// </summary>
/// <param name="packageName">Name of the package.</param>
/// <param name="venv">Representation of current virtual environment.</param>
/// <param name="dependencies">The dependencies.</param>
private void ResolveDependencies(string packageName, PythonVirtualEnv venv, ICollection <LambdaDependency> dependencies)
{
if (IgnoreDependencies.Contains(packageName))
{
this.logger.LogVerbose($"Package '{packageName}' will not be included because it exists by default in the AWS execution environment.");
return;
}
var module = venv[packageName];
if (module == null)
{
this.logger.LogWarning($"Cannot find module '{packageName}' in your virtual environment");
return;
}
dependencies.Add(new LambdaDependency {
Location = venv.VirtualEnvDir, Libraries = module.Paths.ToArray()
});
foreach (var pkg in module.Dependencies)
{
this.ResolveDependencies(pkg, venv, dependencies);
}
}
/// <summary>
/// Loads dependencies from requirements.txt file.
/// </summary>
/// <param name="pathToRequirements">The path to requirements.txt.</param>
/// <returns>Deserialized Dependencies</returns>
internal List <LambdaDependency> LoadDependenciesFromRequirements(string pathToRequirements)
{
var dependencies = new List <LambdaDependency>();
if (string.IsNullOrEmpty(pathToRequirements))
{
return(dependencies);
}
var venv = new PythonVirtualEnv(this.platform).Load(this.RuntimeInfo);
foreach (var match in RequirementsRegex.Matches(File.ReadAllText(pathToRequirements)).Cast <Match>())
{
this.ResolveDependencies(match.Groups["dependency"].Value.Trim(), venv, dependencies);
}
return(dependencies.Distinct().ToList());
}
