python - Python包安装失败

Question

我正在尝试安装 rpy2 软件包，但无法通过“系统找不到指定的文件”。我不确定它找不到什么文件或为什么无法安装（它正在下载 tar.gz 文件但不会安装到 env 中）。我正在使用 python 3.6.8 在 Windows 上运行

Collecting rpy2
  Using cached rpy2-3.3.6.tar.gz (179 kB)
    ERROR: Command errored out with exit status 1:
     command: 'c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\paulj\\AppData\\Local\\Temp\\pip-install-ih4008f_\\rpy2\\setup.py'"'"'; __file__='"'"'C:\\Users\\paulj\\AppData\\Local\\Temp\\pip-install-ih4008f_\\rpy2\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\paulj\AppData\Local\Temp\pip-pip-egg-info-47z8bowi'
         cwd: C:\Users\paulj\AppData\Local\Temp\pip-install-ih4008f_\rpy2\
    Complete output (20 lines):
    cffi mode: CFFI_MODE.ANY
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "C:\Users\paulj\AppData\Local\Temp\pip-install-ih4008f_\rpy2\setup.py", line 115, in <module>
        c_extension_status = get_r_c_extension_status()
      File "C:\Users\paulj\AppData\Local\Temp\pip-install-ih4008f_\rpy2\setup.py", line 99, in get_r_c_extension_status
        *situation.get_r_flags(r_home, '--ldflags')
      File "C:\Users\paulj\AppData\Local\Temp\pip-install-ih4008f_\rpy2\rpy2\situation.py", line 210, in get_r_flags
        allow_empty=False)))
      File "C:\Users\paulj\AppData\Local\Temp\pip-install-ih4008f_\rpy2\rpy2\situation.py", line 179, in _get_r_cmd_config
        universal_newlines=True
      File "c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\subprocess.py", line 356, in check_output
        **kwargs).stdout
      File "c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\subprocess.py", line 423, in run
        with Popen(*popenargs, **kwargs) as process:
      File "c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\subprocess.py", line 729, in __init__
        restore_signals, start_new_session)
      File "c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\subprocess.py", line 1017, in _execute_child
        startupinfo)
    FileNotFoundError: [WinError 2] The system cannot find the file specified

标签： python