使用 snapcraft 构建 python2 snap，python setup.py egg_info 错误

编辑：似乎 setup.py 的目的是为 Mac OSX 生成一个带有py2app. 所以现在的问题是：如何防止 snapcraft python 插件调用 setup.py？

我正在尝试为 python 应用程序创建一个 snap，既要学习 snap，又因为这个应用程序仅作为 14.04 deb 包存在，它不会安装在我最近的系统上。请注意，我对 python 很陌生，对 snaps 完全陌生...

该应用程序是来自iramuteq.org 的Iramuteq

现有的 deb 包control文件如下所示：

Source: iramuteq
Standards-Version: 0.1.8
Section: science
Priority: extra
Maintainer: Pierre Ratinaud <[email protected]>
Build-Depends: debhelper (>= 7)
Homepage: http://www.iramuteq.org

Package: iramuteq
Architecture: all
Depends: python (>= 2.7), r-base (>= 3.0.0), python-wxgtk2.8 (>= 2.8), python-xlrd (>= 0.6), python-ooolib, r-cran-rgl (>= 0.79)
Description: Interface de R pour les analyses multidimensionnelles

所以，据我了解，我需要一些 python 库，我应该嵌入 r-cran-rgl 包。

这是snapcraft.yaml我想出的文件：

name: iramuteq # you probably want to 'snapcraft register <name>'
version: '0.7-alpha2' # just for humans, typically '1.2+git' or '1.3.2'
summary: R INTERFACE for multidimensional analysis of texts and questionnaires # 79 char long summary
description: |
  IRAMUTEQ is a GNU GPL (v2) licensed software that provides users with
  statistical analysis on text corpus and tables composed by individuals/words. 
  It is based on R software and on python language.
grade: devel # must be 'stable' to release into candidate/stable channels
confinement: devmode # use 'strict' once you have the right plugs and slots

apps:
  iramuteq:
    command: iramuteq

parts:
  iramuteq:
    source: http://www.iramuteq.org/git/iramuteq
    source-type: git
    plugin: python
    python-version: 'python2'
    python-packages:
      - ooolib
      - xlrd
      - wxgtk2.8
    stage-packages:
      - r-base # (>= 3.0.0)
      - r-cran-rgl  #(>= 0.79)

运行snapcraft，我收到以下错误：

Processing /home/franck/iramuteq/snap/parts/iramuteq/src
  Link is a directory, ignoring download_dir
    Complete output from command python setup.py egg_info:
    warning: no directories found matching 'doc/_static'
    warning: no directories found matching 'doc/_templates'
    warning: no previously-included files matching '.DS_Store' found anywhere in distribution
    warning: no previously-included files matching '*.pyc' found anywhere in distribution
    warning: no previously-included files matching '*.pyo' found anywhere in distribution
    warning: no previously-included files matching '*.so' found anywhere in distribution
    warning: no previously-included files matching '*.dSYM' found anywhere in distribution
    warning: no previously-included files matching '*.dSYM/*' found anywhere in distribution
    warning: no previously-included files matching '*__pycache__*' found anywhere in distribution
    no previously-included directories found matching 'examples/*/build'
    no previously-included directories found matching 'examples/*/dist'
    no previously-included directories found matching 'examples/*/*/build'
    no previously-included directories found matching 'examples/*/*/dist'
    no previously-included directories found matching 'examples/*/*/*/build'
    no previously-included directories found matching 'examples/*/*/*/dist'
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-9UlL_H-build/setup.py", line 21, in <module>
        setup_requires=['py2app'],
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/usr/lib/python2.7/distutils/core.py", line 111, in setup
        _setup_distribution = dist = klass(attrs)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/dist.py", line 317, in __init__
        self.fetch_build_eggs(attrs['setup_requires'])
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/dist.py", line 372, in fetch_build_eggs
        replace_conflicting=True,
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/pkg_resources/__init__.py", line 851, in resolve
        dist = best[req.key] = env.best_match(req, ws, installer)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1123, in best_match
        return self.obtain(req, installer)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1135, in obtain
        return installer(requirement)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/dist.py", line 440, in fetch_build_egg
        return cmd.easy_install(req)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 674, in easy_install
        return self.install_item(spec, dist.location, tmpdir, deps)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 700, in install_item
        dists = self.install_eggs(spec, download, tmpdir)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 881, in install_eggs
        return self.build_and_install(setup_script, setup_base)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 1120, in build_and_install
        self.run_setup(setup_script, setup_base, args)
      File "/home/franck/iramuteq/snap/parts/iramuteq/install/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 1108, in run_setup
        raise DistutilsError("Setup script exited with %s" % (v.args[0],))
    distutils.errors.DistutilsError: Setup script exited with error: This distribution is only supported on MacOSXdistuitls error.

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-9UlL_H-build/

现在，我遇到了 distutils 错误……而且我也不确定 R 是否会（应该？）嵌入到我的 snap 中，或者安装在我的主系统上。