Question

我遇到的问题类似于this post和this post中描述的问题，但我认为这个问题有所不同（或至少没有得到相关文章的任何答案或评论的回答）。我还发现this Google groups reply声明不要将LD_LIBRARY_PATH与Anaconda一起使用，但觉得它不正确。

我将virtualenv和virtualenvwrapper设置为explained here。
我将Anaconda安装到/ home / usrname / anaconda
我试图像这样为Anaconda创建一个virtualenv：

mkvirtualenv anaconda -p /home/usrname/anaconda/bin/python

但收到以下错误，表明整个发现 - 系统 - 蟒蛇 - 而不是下载 - 2.7.5-python Acaconda问题：

espears@espears-w:~/anaconda/bin$ mkvirtualenv anaconda -p /home/espears/anaconda/bin/python
Running virtualenv with interpreter /home/espears/anaconda/bin/python
New python executable in anaconda/bin/python
Installing setuptools, pip...
  Complete output from command /home/espears/anacon.../anaconda/bin/python -c "import sys, pip; pip...ll\"] + sys.argv[1:])" setuptools pip:
  Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/virtualenv_support/pip-1.5-py2.py3-none-any.whl/pip/__init__.py", line 3, in <module>
  File "/home/espears/anaconda/lib/python2.7/optparse.py", line 77, in <module>
    import textwrap
  File "/home/espears/anaconda/lib/python2.7/textwrap.py", line 10, in <module>
    import string, re
  File "/home/espears/anaconda/lib/python2.7/string.py", line 83, in <module>
    import re as _re
  File "/home/espears/anaconda/bin/anaconda/lib/python2.7/re.py", line 105, in <module>
    import sre_compile
  File "/home/espears/anaconda/bin/anaconda/lib/python2.7/sre_compile.py", line 14, in <module>
    import sre_parse
  File "/home/espears/anaconda/bin/anaconda/lib/python2.7/sre_parse.py", line 17, in <module>
    from sre_constants import *
  File "/home/espears/anaconda/bin/anaconda/lib/python2.7/sre_constants.py", line 18, in <module>
    from _sre import MAXREPEAT
ImportError: cannot import name MAXREPEAT
----------------------------------------
...Installing setuptools, pip...done.
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/virtualenv.py", line 2334, in <module>
    main()
  File "/usr/local/lib/python2.7/dist-packages/virtualenv.py", line 820, in main
    symlink=options.symlink)
  File "/usr/local/lib/python2.7/dist-packages/virtualenv.py", line 988, in create_environment
    install_wheel(to_install, py_executable, search_dirs)
  File "/usr/local/lib/python2.7/dist-packages/virtualenv.py", line 956, in install_wheel
    'PIP_NO_INDEX': '1'
  File "/usr/local/lib/python2.7/dist-packages/virtualenv.py", line 898, in call_subprocess
    % (cmd_desc, proc.returncode))
OSError: Command /home/espears/anacon.../anaconda/bin/python -c "import sys, pip; pip...ll\"] + sys.argv[1:])" setuptools pip failed with error code 1

我将/home/espears/anaconda/lib/导出到LD_LIBRARY_PATH，然后virtualenv命令完全没有问题。然后我可以做workon anaconda并正确找到了anaconda 2.7.5版本的Python，一切都很棒。

但后来我尝试启动Emacs，它出现（如在顶部的链接帖子中）Anaconda在LD_LIBRARY_PATH中的位置为Emacs造成了问题：

espears@espears-w:~$ emacs
Gtk-Message: Failed to load module "canberra-gtk-module"
emacs: symbol lookup error: /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0: undefined symbol: cairo_ft_font_options_substitute

所以问题是：出了什么问题？如果我取消设置LD_LIBRARY_PATH的内容，那么anaconda virtualenv只使用系统默认的Python。但如果我单独离开LD_LIBRARY_PATH，我就无法启动Emacs。

加

将Anaconda所需的内容导出到ldd (which emacs)后，以下是LD_LIBRARY_PATH的输出：

espears@espears-w:~$ export LD_LIBRARY_PATH='/home/espears/anaconda/lib/':$LD_LIBRARY_PATH
espears@espears-w:~$ ldd $(which emacs)
    linux-vdso.so.1 =>  (0x00007fff0a7fe000)
    libtiff.so.4 => /usr/lib/x86_64-linux-gnu/libtiff.so.4 (0x00007f504f455000)
    libjpeg.so.8 => /home/espears/anaconda/lib/libjpeg.so.8 (0x00007f504f21e000)
    libpng12.so.0 => /lib/x86_64-linux-gnu/libpng12.so.0 (0x00007f504eff5000)
    libm.so.6 => /home/espears/anaconda/lib/libm.so.6 (0x00000032b9600000)
    libgif.so.4 => /usr/lib/x86_64-linux-gnu/libgif.so.4 (0x00007f504edec000)
    libXpm.so.4 => /usr/lib/x86_64-linux-gnu/libXpm.so.4 (0x00007f504ebda000)
    libgtk-3.so.0 => /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 (0x00007f504e552000)
    libgdk-3.so.0 => /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 (0x00007f504e2d4000)
    libgio-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 (0x00007f504df84000)
    libgdk_pixbuf-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 (0x00007f504dd64000)
    libpango-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0 (0x00007f504db1b000)
    libcairo.so.2 => /home/espears/anaconda/lib/libcairo.so.2 (0x00007f504d841000)
    libgobject-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 (0x00007f504d5f2000)
    libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f504d2fd000)
    libSM.so.6 => /usr/lib/x86_64-linux-gnu/libSM.so.6 (0x00007f504d0f4000)
    libICE.so.6 => /usr/lib/x86_64-linux-gnu/libICE.so.6 (0x00007f504ceda000)
    libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007f504cba5000)
    libXrender.so.1 => /usr/lib/x86_64-linux-gnu/libXrender.so.1 (0x00007f504c99a000)
    libXft.so.2 => /usr/lib/x86_64-linux-gnu/libXft.so.2 (0x00007f504c785000)
    libasound.so.2 => /usr/lib/x86_64-linux-gnu/libasound.so.2 (0x00007f504c498000)
    librsvg-2.so.2 => /usr/lib/x86_64-linux-gnu/librsvg-2.so.2 (0x00007f504c262000)
    libMagickWand.so.4 => /usr/lib/libMagickWand.so.4 (0x00007f504bf4d000)
    libMagickCore.so.4 => /usr/lib/libMagickCore.so.4 (0x00007f504baca000)
    librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f504b8c1000)
    libdbus-1.so.3 => /lib/x86_64-linux-gnu/libdbus-1.so.3 (0x00007f504b67d000)
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f504b460000)
    libxml2.so.2 => /home/espears/anaconda/lib/libxml2.so.2 (0x00007f504b114000)
    libgpm.so.2 => /usr/lib/x86_64-linux-gnu/libgpm.so.2 (0x00007f504af0e000)
    libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007f504ace7000)
    libgconf-2.so.4 => /usr/lib/x86_64-linux-gnu/libgconf-2.so.4 (0x00007f504aab8000)
    libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f504a899000)
    libfreetype.so.6 => /home/espears/anaconda/lib/libfreetype.so.6 (0x00007f504a612000)
    libfontconfig.so.1 => /usr/lib/x86_64-linux-gnu/libfontconfig.so.1 (0x00007f504a3db000)
    libotf.so.0 => /usr/lib/libotf.so.0 (0x00007f504a1c6000)
    libm17n-flt.so.0 => /usr/lib/libm17n-flt.so.0 (0x00007f5049fbb000)
    libm17n-core.so.0 => /usr/lib/libm17n-core.so.0 (0x00007f5049d8d000)
    libgnutls.so.26 => /usr/lib/x86_64-linux-gnu/libgnutls.so.26 (0x00007f5049ad1000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f5049711000)
    libz.so.1 => /home/espears/anaconda/lib/libz.so.1 (0x00007f50494fb000)
    libgmodule-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0 (0x00007f50492f7000)
    libpangocairo-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 (0x00007f50490ea000)
    libXi.so.6 => /usr/lib/x86_64-linux-gnu/libXi.so.6 (0x00007f5048eda000)
    libXfixes.so.3 => /usr/lib/x86_64-linux-gnu/libXfixes.so.3 (0x00007f5048cd4000)
    libatk-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0 (0x00007f5048ab2000)
    libcairo-gobject.so.2 => /usr/lib/x86_64-linux-gnu/libcairo-gobject.so.2 (0x00007f50488a8000)
    libpangoft2-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 (0x00007f504867e000)
    libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007f504846d000)
    libXinerama.so.1 => /usr/lib/x86_64-linux-gnu/libXinerama.so.1 (0x00007f5048269000)
    libXrandr.so.2 => /usr/lib/x86_64-linux-gnu/libXrandr.so.2 (0x00007f5048061000)
    libXcursor.so.1 => /usr/lib/x86_64-linux-gnu/libXcursor.so.1 (0x00007f5047e57000)
    libXcomposite.so.1 => /usr/lib/x86_64-linux-gnu/libXcomposite.so.1 (0x00007f5047c53000)
    libXdamage.so.1 => /usr/lib/x86_64-linux-gnu/libXdamage.so.1 (0x00007f5047a50000)
    libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007f5047833000)
    libpixman-1.so.0 => /home/espears/anaconda/lib/libpixman-1.so.0 (0x00007f50475b4000)
    libpng15.so.15 => /home/espears/anaconda/lib/libpng15.so.15 (0x00007f504737d000)
    libffi.so.6 => /usr/lib/x86_64-linux-gnu/libffi.so.6 (0x00007f5047174000)
    libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f5046f37000)
    libuuid.so.1 => /home/espears/anaconda/lib/libuuid.so.1 (0x00007f5046d33000)
    libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f5046b14000)
    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f5046910000)
    libcroco-0.6.so.3 => /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3 (0x00007f50466d6000)
    libgomp.so.1 => /usr/lib/x86_64-linux-gnu/libgomp.so.1 (0x00007f50464c7000)
    liblcms.so.1 => /usr/lib/x86_64-linux-gnu/liblcms.so.1 (0x00007f5046290000)
    liblqr-1.so.0 => /usr/lib/liblqr-1.so.0 (0x00007f504607c000)
    libbz2.so.1.0 => /lib/x86_64-linux-gnu/libbz2.so.1.0 (0x00007f5045e6b000)
    libltdl.so.7 => /usr/lib/x86_64-linux-gnu/libltdl.so.7 (0x00007f5045c61000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f504f6ce000)
    libdbus-glib-1.so.2 => /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2 (0x00007f5045a3a000)
    libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007f5045810000)
    libthai.so.0 => /usr/lib/x86_64-linux-gnu/libthai.so.0 (0x00007f5045606000)
    libtasn1.so.3 => /usr/lib/x86_64-linux-gnu/libtasn1.so.3 (0x00007f50453f5000)
    libgcrypt.so.11 => /lib/x86_64-linux-gnu/libgcrypt.so.11 (0x00007f5045177000)
    libp11-kit.so.0 => /usr/lib/x86_64-linux-gnu/libp11-kit.so.0 (0x00007f5044f64000)
    libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007f5044d60000)
    libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f5044b5a000)
    libdatrie.so.1 => /usr/lib/x86_64-linux-gnu/libdatrie.so.1 (0x00007f5044954000)
    libgpg-error.so.0 => /lib/x86_64-linux-gnu/libgpg-error.so.0 (0x00007f504474f000)

Answer 1

您可以尝试以下任一建议：

例如，通过定义别名LD_LIBRARY_PATH来启用emacs时取消设置alias emacs='LD_LIBRARY_PATH= emacs'（请注意空白），或者
export LD_PRELOAD = $（ldd $（which emacs）| grep libpangocairo | awk'{print $ 3}'）强制使用系统范围的安装libpangocairo库。但这可能打破了anaconda。

Answer 2

您不想使用LD_LIBRARY_PATH的原因是它更改了动态库加载器搜索路径的顺序。因为Anaconda测试所有库以便它们在所有系统上协同工作，所以它会打包许多比系统版本更旧的库。您拥有的emacs使用的旧系统库会导致崩溃。

现在mkvirtualenv失败的原因是没有正确复制与Anaconda链接的python和其他库，并且动态库中的链接指针被破坏。

首选解决方案是使用conda工具创建环境。例如：

conda create -p ~/anaconda/envs/test2 anaconda=1.4.0 python=2.7 numpy=1.6

请参阅http://docs.continuum.io/conda/examples/create.html

将virtualenv与Anaconda一起使用需要LD_LIBRARY_PATH更改，但会破坏Emacs

2 个答案: