instalar - install opencv python ubuntu

Homebrew, instalación de python

Question

Recibí un error al intentar instalar Python en Homebrew. brew dice lo que no pudo vincular a python, aquí está la salida:

Linking /usr/local/Cellar/python/2.7.3... Warning: Could not link python. Unlinking...
Error: Could not symlink file: /usr/local/Cellar/python/2.7.3/bin/smtpd2.py
/usr/local/bin/smtpd2.py may already exist.
/usr/local/bin may not be writable.

ls -la en / usr / bin y bin rights:

The drwxrwxrwx  26 root             admin  884 26 Oct 16:03 bin

Y smtpd2.py existe ... ¿Cómo puedo solucionarlo? Eliminar smtpd2.py?

Answer 1

¿Has brew link --overwrite python ? Esto funcionó para mí sin tener que desinstalar python; consulte esta pregunta para obtener más detalles.

Answer 2

Suena como un problema de permisos con / usr / local.

### Makes you owner of /usr/local 
$ sudo chown -R `whoami` /usr/local

### Force uninstalls failed python
$ brew uninstall -f python

### Clear the brew cache
$ rm -rf `brew --cache`

### Recreate the brew cache
$ mkdir `brew --cache`

### Cleanup - cleans up old homebrew files
$ brew cleanup

### Prune - removes dead symlinks in homebrew
$ brew prune

### Doctor - runs homebrew checks for common error causing issues
$ brew doctor

########
### Google and follow steps to fix what `brew doctor` came back with
########

### Reinstall python
$ brew install python