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finished fixing segfault issue when qt>v4.8.5 on Ubuntu using pyplot

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This commit is contained in:
Huckleberry Febbo 2017-01-19 17:32:37 -05:00
parent c250d7c073
commit cd8939fe0b
1 changed files with 12 additions and 29 deletions
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41
src/backends/pyplot.jl
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@ -56,34 +56,6 @@ function add_backend_string(::PyPlotBackend)
Pkg.build("PyPlot")
end
"""
if !Plots.is_installed("PyPlot")
Pkg.add("PyPlot")
end
withenv("PYTHON" => "") do
Pkg.build("PyPlot")
end
import Conda # TODO since this only known to occur on Ubuntu we could also check the user's OS here
Conda.add("qt=4.8.5") # run the old version of Conda
# TO AVOID:
# 1) Segfault when attempting to run pylplot
# caused by Conda update to Segfault with qt >=4.8.6 on Ubuntu https://github.com/JuliaPy/PyPlot.jl/issues/234
# 2) precomilation issue after updating Plots.jl
#=
INFO: Recompiling stale cache file /home/febbo/.julia/lib/v0.5/Plots.ji for module Plots.
ERROR: LoadError: Declaring __precompile__(false) is not allowed in files that are being precompiled.
in __precompile__(::Bool) at ./loading.jl:300
in include_from_node1(::String) at ./loading.jl:488
in macro expansion; at ./none:2 [inlined]
in anonymous at ./<missing>:?
in eval(::Module, ::Any) at ./boot.jl:234
in process_options(::Base.JLOptions) at ./client.jl:239
in _start() at ./client.jl:318
while loading /home/febbo/.julia/v0.5/Plots/src/Plots.jl, in expression starting on line 1
ERROR: LoadError: Failed to precompile Plots to /home/febbo/.julia/lib/v0.5/Plots.ji.
in compilecache(::String) at ./loading.jl:593
in require(::Symbol) at ./loading.jl:393
in include_from_node1(::String) at ./loading.jl:488
=#
end
function _initialize_backend(::PyPlotBackend)
@ -109,7 +81,18 @@ function _initialize_backend(::PyPlotBackend)
const pycollections = PyPlot.pywrap(PyPlot.pyimport("matplotlib.collections"))
const pyart3d = PyPlot.pywrap(PyPlot.pyimport("mpl_toolkits.mplot3d.art3d"))
end
if is_linux()
@eval begin
# avoid Conda update that causes Segfault with qt >=4.8.6 on Ubuntu https://github.com/JuliaPy/PyPlot.jl/issues/234
import Conda
kw = Conda._installed_packages_dict()
if (!haskey(kw,"qt") || (qt_version=get(kw,"qt",0)[1]!=v"4.8.5"))
print("\n Switching to qt v4.8.5!! \n")
Conda.add("qt=4.8.5")
error("\n Please RESTART julia to use qt v4.8.5!! \n If we did not error here, a Segmentation fault error would occur. \n \n")
end
end
end
# we don't want every command to update the figure
PyPlot.ioff()
end