** Description changed: do-release-upgrade from 18.04 to 18.10 fails: " Reading cache Checking package manager Can not upgrade - Your python3 install is corrupted. Please fix the '/usr/bin/python3' - symlink. + Your python3 install is corrupted. Please fix the '/usr/bin/python3' + symlink. === Command terminated with exit status 1 (Sat Apr 20 17:19:49 2019) === " There is nothing wrong with /usr/bin/python3 ➜ ~ ls -al /usr/bin/python3 lrwxrwxrwx 1 root root 9 окт 25 14:11 /usr/bin/python3 -> python3.6 + I also have python2 installed for which Debian alternatives are + configured which causes the problem as far as I can see: - I also have python2 installed for which Debian alternatives are configured which causes the problem as far as I can see: - - ➜ ~ update-alternatives --display python + ➜ ~ update-alternatives --display python python - auto mode - link best version is /usr/bin/python2.7 - link currently points to /usr/bin/python2.7 - link python is /usr/bin/python + link best version is /usr/bin/python2.7 + link currently points to /usr/bin/python2.7 + link python is /usr/bin/python /usr/bin/python2.7 - priority 100 - - https://git.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/tree/DistUpgrade/DistUpgradeController.py?h=ubuntu/bionic-updates#n361 + https://git.launchpad.net/ubuntu/+source/ubuntu-release- + upgrader/tree/DistUpgrade/DistUpgradeController.py?h=ubuntu/bionic- + updates#n361 (Pdb) l - 11 debian_defaults = '/usr/share/%s/debian_defaults' % dirname - 12 if os.path.exists(debian_defaults): - 13 config = SafeConfigParser() - 14 with open(debian_defaults) as f: - 15 config.readfp(f) - 16 -> try: - 17 expected_default = config.get('DEFAULT', 'default-version') - 18 except NoOptionError: - 19 logging.debug("no default version for %s found in '%s'" % - 20 (binary, config)) - 21 return False + 11 debian_defaults = '/usr/share/%s/debian_defaults' % dirname + 12 if os.path.exists(debian_defaults): + 13 config = SafeConfigParser() + 14 with open(debian_defaults) as f: + 15 config.readfp(f) + 16 -> try: + 17 expected_default = config.get('DEFAULT', 'default-version') + 18 except NoOptionError: + 19 logging.debug("no default version for %s found in '%s'" % + 20 (binary, config)) + 21 return False (Pdb) n > <ipython-input-13-93c4105e7796>(17)_pythonSymlinkCheck() -> expected_default = config.get('DEFAULT', 'default-version') (Pdb) n > <ipython-input-13-93c4105e7796>(22)_pythonSymlinkCheck() -> try: (Pdb) expected_default 'python2.7' - > <ipython-input-13-93c4105e7796>(23)_pythonSymlinkCheck() -> fs_default_version = os.readlink('/usr/bin/%s' % binary) (Pdb) n > <ipython-input-13-93c4105e7796>(27)_pythonSymlinkCheck() -> if not fs_default_version in (expected_default, os.path.join('/usr/bin', expected_default)) and not (binary == 'python' and fs_default_version in ('python2', '/usr/bin/python2')): (Pdb) fs_default_version '/etc/alternatives/python' (Pdb) os.path.join('/usr/bin', expected_default) '/usr/bin/python2.7' - - (Pdb) not fs_default_version in (expected_default, os.path.join('/usr/bin', expected_default)) + (Pdb) not fs_default_version in (expected_default, os.path.join('/usr/bin', expected_default)) True (Pdb) print("%s symlink points to: '%s', but expected is '%s' or '%s'" % (binary, fs_default_version, expected_default, os.path.join('/usr/bin', expected_default))) python symlink points to: '/etc/alternatives/python', but expected is 'python2.7' or '/usr/bin/python2.7' + + + A workaround is: + + sudo rm /usr/bin/python + sudo ln -s /usr/bin/python2.7 /usr/bin/python + do-release-upgrade
** Description changed: - do-release-upgrade from 18.04 to 18.10 fails: + do-release-upgrade from 18.04 to 18.10 fails (likewise, when I upgraded + with a workaround the same happened for 18.10 -> 19.04): " Reading cache Checking package manager Can not upgrade Your python3 install is corrupted. Please fix the '/usr/bin/python3' symlink. === Command terminated with exit status 1 (Sat Apr 20 17:19:49 2019) === " There is nothing wrong with /usr/bin/python3 ➜ ~ ls -al /usr/bin/python3 lrwxrwxrwx 1 root root 9 окт 25 14:11 /usr/bin/python3 -> python3.6 I also have python2 installed for which Debian alternatives are configured which causes the problem as far as I can see: ➜ ~ update-alternatives --display python python - auto mode link best version is /usr/bin/python2.7 link currently points to /usr/bin/python2.7 link python is /usr/bin/python /usr/bin/python2.7 - priority 100 https://git.launchpad.net/ubuntu/+source/ubuntu-release- upgrader/tree/DistUpgrade/DistUpgradeController.py?h=ubuntu/bionic- updates#n361 (Pdb) l 11 debian_defaults = '/usr/share/%s/debian_defaults' % dirname 12 if os.path.exists(debian_defaults): 13 config = SafeConfigParser() 14 with open(debian_defaults) as f: 15 config.readfp(f) 16 -> try: 17 expected_default = config.get('DEFAULT', 'default-version') 18 except NoOptionError: 19 logging.debug("no default version for %s found in '%s'" % 20 (binary, config)) 21 return False (Pdb) n > <ipython-input-13-93c4105e7796>(17)_pythonSymlinkCheck() -> expected_default = config.get('DEFAULT', 'default-version') (Pdb) n > <ipython-input-13-93c4105e7796>(22)_pythonSymlinkCheck() -> try: (Pdb) expected_default 'python2.7' > <ipython-input-13-93c4105e7796>(23)_pythonSymlinkCheck() -> fs_default_version = os.readlink('/usr/bin/%s' % binary) (Pdb) n > <ipython-input-13-93c4105e7796>(27)_pythonSymlinkCheck() -> if not fs_default_version in (expected_default, os.path.join('/usr/bin', expected_default)) and not (binary == 'python' and fs_default_version in ('python2', '/usr/bin/python2')): (Pdb) fs_default_version '/etc/alternatives/python' (Pdb) os.path.join('/usr/bin', expected_default) '/usr/bin/python2.7' (Pdb) not fs_default_version in (expected_default, os.path.join('/usr/bin', expected_default)) True (Pdb) print("%s symlink points to: '%s', but expected is '%s' or '%s'" % (binary, fs_default_version, expected_default, os.path.join('/usr/bin', expected_default))) python symlink points to: '/etc/alternatives/python', but expected is 'python2.7' or '/usr/bin/python2.7' - A workaround is: sudo rm /usr/bin/python sudo ln -s /usr/bin/python2.7 /usr/bin/python do-release-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1825655 Title: do-release-upgrade fails with "Your python3 install is corrupted" if /usr/bin/python points to /etc/alternatives/python To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1825655/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs