Can't pyimport ssl

[tbreloff]

I've traced an unrelated issue back to the ssl package. For some reason I can import ssl from the python executable in the Conda.jl directory, but it errors when I try to: using PyCall; pyimport("ssl")

Any ideas would be greatly appreciated! Here's the full output:

tom@tom-desktop:~/.julia/v0.5/Plots$ ~/.julia/v0.5/Conda/deps/usr/bin/python
Python 2.7.12 |Continuum Analytics, Inc.| (default, Jul  2 2016, 17:42:40) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
Anaconda is brought to you by Continuum Analytics.
Please check out: http://continuum.io/thanks and https://anaconda.org
>>> import ssl
>>> 
KeyboardInterrupt
>>> 
tom@tom-desktop:~/.julia/v0.5/Plots$ julia
               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org
   _ _   _| |_  __ _   |  Type "?help" for help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.5.1-pre+27 (2016-11-04 08:41 UTC)
 _/ |\__'_|_|_|\__'_|  |  Commit 25f7066 (24 days old release-0.5)
|__/                   |  x86_64-linux-gnu

julia> using PyCall; pyimport("ssl")
ERROR: PyError (:PyImport_ImportModule) <type 'exceptions.ImportError'>
ImportError('/home/tom/.julia/v0.5/Conda/deps/usr/lib/python2.7/lib-dynload/_ssl.so: undefined symbol: SSLv2_method',)
  File "/home/tom/.julia/v0.5/Conda/deps/usr/lib/python2.7/ssl.py", line 97, in <module>
    import _ssl             # if we can't import it, let the error propagate

 in pyerr_check at /home/tom/.julia/v0.5/PyCall/src/exception.jl:56 [inlined]
 in pyerr_check at /home/tom/.julia/v0.5/PyCall/src/exception.jl:61 [inlined]
 in macro expansion at /home/tom/.julia/v0.5/PyCall/src/exception.jl:81 [inlined]
 in pyimport(::String) at /home/tom/.julia/v0.5/PyCall/src/PyCall.jl:387

[isuruf]

This seems to be because when loading _ssl.so, it also tries to load ssl.so and it finds a system ssl version. Ubuntu seems to ship an ssl library with no SSLv2_method (http://stackoverflow.com/a/8219807/4768820)
Other distros might be doing the same.
I don't know how to fix this and load the ssl version shipped by python.

Workaround I found was to do,

Libdl.dlopen("/home/tom/.julia/v0.5/Conda/deps/usr/lib/python2.7/lib-dynload/../../libssl.so")
Libdl.dlopen("/home/tom/.julia/v0.5/Conda/deps/usr/lib/python2.7/lib-dynload/_ssl.so")
using PyCall; pyimport("ssl")

[isuruf]

Similar issue here, JuliaPy/PyCall.jl#65
Following also works

LD_PRELOAD=/home/tom/.julia/v0.5/Conda/deps/usr/lib/libssl.so  julia

[tbreloff]

Thanks so much @isuruf! This got me past the ssl error. 👍