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Dear list, It seems that a package (pkgB) using another package (pkgA) with S4 generics formed by taking existing functions (for example 'plot') must not import the existing functions ('plot') in its namespace to avoid the warning "replacing previous import: plot". Suppose we use the simple 'import' directive in the name space of pkgB. pkgA and pkgB files would

Hi, I'd like to list all package PkgA functions that another package PkgB use via Depends or Imports (ignoring Suggests for simplicity). As long as PkgB uses importFrom("PkgA", ...) it's just a matter of parsing the NAMESPACE file or inspecting asNamespace("PkgB")$.__NAMESPACE__.$imports. However, what can be done in case PkgB uses import("PkgA")? Is there