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caveats: recommend Python .pth file instead.

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This is better than PYTHONPATH as it doesn't mess with incompatible
versions of Python.

Closes Homebrew/homebrew#27138.
This commit is contained in:
Mike McQuaid 2014-03-08 12:56:15 +00:00
parent 9030c19418
commit d8ef8d4f82
1 changed files with 11 additions and 6 deletions
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17
Library/Homebrew/caveats.rb
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@ -46,17 +46,22 @@ class Caveats
end
def python_caveats
return unless keg
return unless keg.python_site_packages_installed?
return if Formula["python"].installed?
site_packages = if f.keg_only?
"#{f.opt_prefix}/lib/python2.7/site-packages"
else
"#{HOMEBREW_PREFIX}/lib/python2.7/site-packages"
end
if keg and keg.python_site_packages_installed? \
and !ENV['PYTHONPATH'].to_s.include? site_packages
<<-EOS.undent
Set PYTHONPATH if you need Python to find the installed site-packages:
export PYTHONPATH=#{site_packages}:$PYTHONPATH
EOS
dir = "~/Library/Python/2.7/lib/python/site-packages"
dir_path = Pathname.new(dir).expand_path
file = "#{dir}/homebrew.pth"
file_path = Pathname.new(file).expand_path
if !file_path.readable? || !file_path.read.include?(site_packages)
s = "If you need Python to find the installed site-packages:\n"
s += " mkdir -p #{dir}\n" unless dir_path.exist?
s += " echo '#{site_packages}' >> #{file}"
end
end