chenhuimingdeMacBook-Pro:groceryList Mch$
sudo pip3 install beautifulsoup4
The directory '/Users/Mch/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/Users/Mch/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting beautifulsoup4
Could not fetch URL https://pypi.python.org/simple/beautifulsoup4/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) - skipping
Could not find a version that satisfies the requirement beautifulsoup4 (from versions: )
No matching distribution found for beautifulsoup4
Solution:
* reinstall python？
brew reinstall python
==> Reinstalling python ==> Installing dependencies for python: gdbm ==> Installing python dependency: gdbm ==> Downloading https://homebrew.bintray.com/bottles/gdbm-1.17.el_capitan.bottle.tar.gz ######################################################################## 100.0% ==> Pouring gdbm-1.17.el_capitan.bottle.tar.gz ???? /usr/local/Cellar/gdbm/1.17: 20 files, 586.2KB ==> Installing python ==> Downloading https://homebrew.bintray.com/bottles/python-3.7.0.el_capitan.bottle.1.tar.gz ######################################################################## 100.0% ==> Pouring python-3.7.0.el_capitan.bottle.1.tar.gz ==> /usr/local/Cellar/python/3.7.0/bin/python3 -s setup.py --no-user-cfg install --force --verbose --install-scripts=/usr/local/Cellar/p ==> /usr/local/Cellar/python/3.7.0/bin/python3 -s setup.py --no-user-cfg install --force --verbose --install-scripts=/usr/local/Cellar/p ==> /usr/local/Cellar/python/3.7.0/bin/python3 -s setup.py --no-user-cfg install --force --verbose --install-scripts=/usr/local/Cellar/p ==> Caveats Python has been installed as /usr/local/bin/python3 Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to `python3`, `python3-config`, `pip3` etc., respectively, have been installed into /usr/local/opt/python/libexec/bin If you need Homebrew's Python 2.7 run brew install python@2 Pip, setuptools, and wheel have been installed. To update them run pip3 install --upgrade pip setuptools wheel You can install Python packages with pip3 install <package> They will install into the site-package directory /usr/local/lib/python3.7/site-packages See: https://docs.brew.sh/Homebrew-and-Python ==> Summary ???? /usr/local/Cellar/python/3.7.0: 4,787 files, 102MB ==> Caveats ==> python Python has been installed as /usr/local/bin/python3 Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to `python3`, `python3-config`, `pip3` etc., respectively, have been installed into /usr/local/opt/python/libexec/bin If you need Homebrew's Python 2.7 run brew install python@2 Pip, setuptools, and wheel have been installed. To update them run pip3 install --upgrade pip setuptools wheel You can install Python packages with pip3 install <package> They will install into the site-package directory /usr/local/lib/python3.7/site-packages See: https://docs.brew.sh/Homebrew-and-Python