setup.py没有安装数据文件 [英] setup.py not installing data files

问题描述

我有一个Python库，除了常规的Python模块外，还有一些数据文件需要放在/usr/local/lib/python2.7/dist-package/mylibrary中。

I have a Python library that, in addition to regular Python modules, has some data files that need to go in /usr/local/lib/python2.7/dist-package/mylibrary.

不幸的是，我无法说服setup.py在此处实际安装数据文件。请注意，此行为是在安装过程中-而不是sdist。

Unfortunately, I have been unable to convince setup.py to actually install the data files there. Note that this behaviour is under install - not sdist.

此处是setup.py的稍作修改的版本。py

Here is a slightly redacted version of setup.py

module_list = list_of_files

setup(name         ='Modules',
      version      ='1.33.7',
      description  ='My Sweet Module',
      author       ='PN',
      author_email ='email',
      url          ='url',
      packages     = ['my_module'],

# I tried this. It got installed in /usr/my_module. Not ok.

      # data_files   = [ ("my_module",  ["my_module/data1",
      #                                  "my_module/data2"])]

# This doesn't install it at all.
      package_data = {"my_module" : ["my_module/data1",
                                     "my_module/data2"] }
     )

这是Python 2.7（必须在2.6中运行最终），并且必须在10.04和12+之间的某些Ubuntu上运行。立即在12.04上进行开发。

This is in Python 2.7 (will have to run in 2.6 eventually), and will have to run on some Ubuntu between 10.04 and 12+. Developing it right now on 12.04.

推荐答案

http://docs.python.org/distutils/setupscript.html#installing-additional-files

如果目录是相对路径，则相对于
安装前缀（纯Python软件包的Python sys.prefix，
sys.exec_prefix用于包含扩展模块的软件包。）

If directory is a relative path, it is interpreted relative to the installation prefix (Python’s sys.prefix for pure-Python packages, sys.exec_prefix for packages that contain extension modules).

这可能会做到：

data_files   = [ ("my_module",  ["local/lib/python2.7/dist-package/my_module/data1",
                                 "local/lib/python2.7/dist-package/my_module/data2"])]

或者只使用连接以添加前缀：

Or just use join to add the prefix:

data_dir = os.path.join(sys.prefix, "local/lib/python2.7/dist-package/my_module")
data_files   = [ ("my_module",  [os.path.join(data_dir, "data1"),
                                 os.path.join(data_dir, "data2")])]

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