在mac中同時存在python2.4和3.7的時候，安裝django撤师，使用pip安裝
- 直接升級
pip install django
Collecting django
Downloading https://files.pythonhosted.org/packages/bf/e0/e659df5b5b82299fffd8b3df2910c99351b9308b8f45f5702cc4cdf946e9/Django-1.11.14-py2.py3-none-any.whl (7.0MB)
100% |████████████████████████████████| 7.0MB 89kB/s
Requirement already satisfied: pytz in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from django)
Installing collected packages: django
Exception: Traceback (most recent call last): File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/basecommand.py", line 215, in main status = self.run(options, args) File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/commands/install.py", line 342, in run prefix=options.prefix_path, File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/req/req_set.py", line 784, in install **kwargs File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/req/req_install.py", line 851, in install self.move_wheel_files(self.source_dir, root=root, prefix=prefix) File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/req/req_install.py", line 1064, in move_wheel_files isolated=self.isolated, File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/wheel.py", line 377, in move_wheel_files clobber(source, dest, False, fixer=fixer, filter=filter) File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/wheel.py", line 323, in clobber shutil.copyfile(srcfile, destfile) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 83, in copyfile with open(dst, 'wb') as fdst: IOError: [Errno 13] Permission denied: '/usr/local/bin/django-admin.py'
You are using pip version 9.0.3, however version 10.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
- 拋出異常，按照提示升級pip
pip install --upgrade pip
Collecting pip
Downloading https://files.pythonhosted.org/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl (1.3MB)
100% |████████████████████████████████| 1.3MB 96kB/s
Installing collected packages: pip
Found existing installation: pip 9.0.3
Uninstalling pip-9.0.3:
Exception: Traceback (most recent call last): File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/basecommand.py", line 215, in main status = self.run(options, args) File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/commands/install.py", line 342, in run prefix=options.prefix_path, File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/req/req_set.py", line 778, in install requirement.uninstall(auto_confirm=True) File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/req/req_install.py", line 754, in uninstall paths_to_remove.remove(auto_confirm) File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/req/req_uninstall.py", line 115, in remove renames(path, new_path) File "/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/pip/utils/__init__.py", line 267, in renames shutil.move(old, new) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 300, in move rmtree(src) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 247, in rmtree rmtree(fullname, ignore_errors, onerror) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 252, in rmtree onerror(os.remove, fullname, sys.exc_info()) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 250, in rmtree os.remove(fullname) OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/pip-9.0.3-py2.7.egg/EGG-INFO/dependency_links.txt'
You are using pip version 9.0.3, however version 10.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
- 依然報錯，使用sudo解決
sudo pip install --upgrade pip
Password:
The directory '/Users/ypn-mac-02/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/ypn-mac-02/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 pip
Downloading https://files.pythonhosted.org/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl (1.3MB)
100% |████████████████████████████████| 1.3MB 420kB/s
Installing collected packages: pip
Found existing installation: pip 9.0.3
Uninstalling pip-9.0.3:
Successfully uninstalled pip-9.0.3
Successfully installed pip-10.0.1
- 安裝django
pip install django
Requirement already satisfied: django in /Library/Python/2.7/site-packages (1.11.14)
Requirement already satisfied: pytz in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from django) (2013.7)
matplotlib 1.3.1 requires nose, which is not installed. matplotlib 1.3.1 requires tornado, which is not installed.
發(fā)現(xiàn)安裝到了python2.7中
先查看pip的版本
pip -V
pip 10.0.1 from /Library/Python/2.7/site-packages/pip (python 2.7)
- 查找資料贞谓，發(fā)現(xiàn)python3自帶pip十性，無需另外安裝
- 嘗試查看pip3版本叛溢，發(fā)現(xiàn)存在pip3
pip3 -V
pip 10.0.1 from /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip (python 3.7)
附注：在以下目錄中可以看見各種pip的版本
/usr/local/bin
- 用pip3安裝django
pip3 install django
Collecting django
Downloading https://files.pythonhosted.org/packages/ab/15/cfde97943f0db45e4f999c60b696fbb4df59e82bbccc686770f4e44c9094/Django-2.0.7-py3-none-any.whl (7.1MB)
100% |████████████████████████████████| 7.1MB 1.7MB/s
Collecting pytz (from django)
Downloading https://files.pythonhosted.org/packages/30/4e/27c34b62430286c6d59177a0842ed90dc789ce5d1ed740887653b898779a/pytz-2018.5-py2.py3-none-any.whl (510kB)
100% |████████████████████████████████| 512kB 6.8MB/s
Installing collected packages: pytz, django
Successfully installed django-2.0.7 pytz-2018.5
