安装rpy2时出错:'sh'无法识别为内部或外部命令,可运行程序或批处理文件

Question

我尝试安装rpy2但我在下面有这个错误.

我在网上看到问题是环境变量,但我在系统变量路径中有 C:\ Rtools\bin和C:\ Program Files\R\R-3.2.2\bin.

我究竟做错了什么？

错误:

C:\Users\rmalveslocal>pip install rpy2
Collecting rpy2

  Downloading rpy2-2.7.6.tar.gz (177kB)
    100% |################################| 180kB 1.3MB/s

    Complete output from command python setup.py egg_info:
    R version 3.2.2 (2015-08-14) -- "Fire Safety"
    Copyright (C) 2015 The R Foundation for Statistical Computing
    Platform: x86_64-w64-mingw32/x64 (64-bit)

    R is free software and comes with ABSOLUTELY NO WARRANTY.
    You are welcome to redistribute it under the terms of the
    GNU General Public License versions 2 or 3.
    For more information about these matters see
    http://www.gnu.org/licenses/.

    'sh' is not recognized as an internal or external command,
    operable program or batch file.
    R version 3.2.2 (2015-08-14) -- "Fire Safety"
    C:\PROGRA~1\R\R-32~1.2\bin\x64\R CMD config --ldflags
    Traceback (most recent call last):
      File "<string>", line 20, in <module>

      File "c:\users\rmalve~1\appdata\local\temp\2\pip-build-vvy8sl\rpy2\setup.p
y", line 291, in <module>
        ri_ext = getRinterface_ext()
      File "c:\users\rmalve~1\appdata\local\temp\2\pip-build-vvy8sl\rpy2\setup.p
y", line 198, in getRinterface_ext
        ldf = shlex.split(' '.join(rexec.cmd_config('--ldflags')))
      File "c:\users\rmalve~1\appdata\local\temp\2\pip-build-vvy8sl\rpy2\setup.p
y", line 151, in cmd_config
        universal_newlines = True)
      File "C:\Users\rmalveslocal\Anaconda\lib\subprocess.py", line 573, in chec
k_output
        raise CalledProcessError(retcode, cmd, output=output)
    subprocess.CalledProcessError: Command '('C:\\PROGRA~1\\R\\R-32~1.2\\bin\\x6
4\\R', 'CMD', 'config', '--ldflags')' returned non-zero exit status 1

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in c:\users\rmalve~1
\appdata\local\temp\2\pip-build-vvy8sl\rpy2

Answer 1

1. 在这里下载你需要的版本http://www.lfd.uci.edu/~gohlke/pythonlibs/#rpy2
2. 打开Anaconda Prompt并导航到您下载文件的文件夹
3. 运行pip install file_name.whl