The homebrew formula's ignored Python PEP-0394 recommendations and
changed the plain python binary in /usr/local/bin to point to Python 3
instead of Python 2. Python 2 is not even installed into a location that
is in $PATH by default anymore. The homebrew packages print a message
to stderr claiming to provide a way to fix this
[quote]
This formula installs a python2 executable to /usr/local/opt/python@2/bin
If you wish to have this formula's python executable in your PATH then add
the following to ~/.bash_profile:
export PATH="/usr/local/opt/python@2/libexec/bin:$PATH"
[/quote]
When trying to update $PATH are suggested we find out this message is a
lie and /usr/local/opt/python@2 does not even exist, instead Python
seems to end up in /usr/local/Cellar/python@2/2.7.14_1
Rather than hardcoding this version specific directory in our travis
config, we change to run "brew link --force python@2", to make it create
symlinks in /usr/local/bin for the python2 binary.
The original change triggering this problem was
https://github.com/Homebrew/homebrew-core/pull/24604#issue-171653084
There are countless bug reports against homebrew-core that are closed
without fixes, so it seems they are determined to ignore the Python
PEP 0394 recommendations on this.
Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
.travis.yml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/.travis.yml b/.travis.yml
index 44f680ad07..699e4bf33a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -97,7 +97,7 @@ env:
- VIR_TEST_DEBUG=1
before_install:
- - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update && brew upgrade && brew install rpcgen yajl xz; fi
+ - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update && brew upgrade && brew install rpcgen yajl xz && brew link --force python@2 ; fi
before_script:
- ./autogen.sh --prefix=$(pwd)/install-root
--
2.14.3
--
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