problem with upgrading macport installed packages

pagani laurent laurent.pagani at
Mon Apr 16 13:37:52 UTC 2018

Here one such example :

--->  Installing py36-six @1.11.0_0
--->  Activating py36-six @1.11.0_0
Error: Failed to activate py36-six: Image error: /opt/local/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/__pycache__/six.cpython-36.pyc already exists and does not belong to a registered port.  Unable to activate port py36-six. Use 'port -f activate py36-six' to force the activation.
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_python_py-six/py36-six/main.log for details.
Error: Problem while installing py36-six
Error: Follow to report a bug.


sudo port -f activate py36-six
--->  Computing dependencies for py36-six
--->  Activating py36-six @1.11.0_0
Warning: File /opt/local/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/__pycache__/six.cpython-36.pyc already exists.  Moving to: /opt/local/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/__pycache__/six.cpython-36.pyc.mp_1523883488.
--->  Cleaning py36-six

and then I relaunch upgrade outdated…


> Le 16 avr. 2018 à 15:14, Chris Jones <jonesc at> a écrit :
> Please post examples of the warning/error messages you are getting...
> On 16/04/18 14:12, pagani laurent via macports-users wrote:
>> Hi all,
>> I just moved to the new 2.4.3 by running port selfupdate and tried to follow-up with a port upgrade outdated but it keeps stumbling on many ports claiming they were installed by third parties. Which is not the case and I did not uninstall Port either. So I don’t know why the upgrade keeps stumbling.
>> I can force the activation and restart the upgrade but it repeatedly stumble, so this becomes tiresome.
>> The webpage suggests to uninstall everything and reinstall them but this seems a bit violent with the risk to forget a number of packages. Can’t we just tell Macports to force installation each time it is needed ?
>> Laurent
>> There is a theory which states that if ever anybody discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened.
>> Douglas Adams

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