Question

我正在尝试将具有依赖性的R软件包安装到自定义库位置。这是最小的示例脚本（req.R）：

dir.create("r_packages")
install.packages("R.utils", lib="r_packages")
library("R.utils", character.only = TRUE, lib.loc="r_packages")

使用Rscript（例如，在r-base docker container中运行）显示，安装正在运行 fine ，但正在加载< / strong>软件包失败：

输出缩短。完整粘贴为here

$ Rscript req.R also installing the dependencies ‘R.oo’, ‘R.methodsS3’ [...] * installing *source* package ‘R.methodsS3’ ... [...] * DONE (R.methodsS3) * installing *source* package ‘R.oo’ ... [...] * DONE (R.oo) * installing *source* package ‘R.utils’ ... [...] * DONE (R.utils) The downloaded source packages are in ‘/tmp/RtmpU4nBhU/downloaded_packages’ Error: package ‘R.oo’ required by ‘R.utils’ could not be found Execution halted

加载以依赖关系的相反顺序一个一个包工作正常：

$ cat req.R dir.create("r_packages") #install.packages("R.utils", lib="r_packages") library("R.methodsS3", character.only = TRUE, lib.loc="r_packages") library("R.oo", character.only = TRUE, lib.loc="r_packages") library("R.utils", character.only = TRUE, lib.loc="r_packages") $ Rscript req.R Warning message: In dir.create("r_packages") : 'r_packages' already exists R.methodsS3 v1.7.1 (2016-02-15) successfully loaded. See ?R.methodsS3 for help. R.oo v1.22.0 (2018-04-21) successfully loaded. See ?R.oo for help. Attaching package: ‘R.oo’ The following objects are masked from ‘package:methods’: getClasses, getMethods The following objects are masked from ‘package:base’: attach, detach, gc, load, save R.utils v2.8.0 successfully loaded. See ?R.utils for help. Attaching package: ‘R.utils’ The following object is masked from ‘package:utils’: timestamp The following objects are masked from ‘package:base’: cat, commandArgs, getOption, inherits, isOpen, parse, warnings

有人暗示正确的方向吗？我在做什么错了？

Answer 1

经过一些研究，我发现，使用.libPaths()设置标准库路径可以解决此问题。显然，library()函数不会将lib.loc参数传递给后续调用。

这是最终代码：

dir.create("r_packages")
.libPaths(c("r_packages"))
install.packages("R.utils", lib="r_packages")
library("R.utils", character.only = TRUE, lib.loc="r_packages")

使用自定义lib的package.install无法加载软件包

1 个答案: