在我的 Mac 终端窗口上出现以下错误。
$ pip --version
pip 6.1.1 from /Library/Python/2.7/site-packages (python 2.7)
Python 版本为 2.7.10
尝试使用 brew 安装 credstash 时，出现以下错误。
$ `which python` --version && brew update && brew install credstash
Python 2.7.10
Already up-to-date.
Error: No available formula with the name "credstash"
==> Searching for similarly named formulae...
Error: No similarly named formulae found.
==> Searching taps...
Error: No formulae found in taps.
当我尝试使用 brew 安装 pip3 时，遇到了类似的错误。
尝试从pip安装 credstash但也出错了。
[arun@MacBook-Pro-2 ~/aks/wspace] $ pip install credstash
You are using pip version 6.1.1, however version 9.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting credstash
Using cached credstash-1.12.0.tar.gz
Requirement already satisfied (use --upgrade to upgrade): pycrypto>=2.6.1 in /Library/Python/2.7/site-packages (from credstash)
Collecting boto3>=1.1.1 (from credstash)
Using cached boto3-1.4.2-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): jmespath<1.0.0,>=0.7.1 in /Library/Python/2.7/site-packages (from boto3>=1.1.1->credstash)
Collecting botocore<1.5.0,>=1.4.1 (from boto3>=1.1.1->credstash)
Using cached botocore-1.4.87-py2.py3-none-any.whl
Collecting s3transfer<0.2.0,>=0.1.0 (from boto3>=1.1.1->credstash)
Using cached s3transfer-0.1.10-py2.py3-none-any.whl
Collecting python-dateutil<3.0.0,>=2.1 (from botocore<1.5.0,>=1.4.1->boto3>=1.1.1->credstash)
Using cached python_dateutil-2.6.0-py2.py3-none-any.whl
Collecting docutils>=0.10 (from botocore<1.5.0,>=1.4.1->boto3>=1.1.1->credstash)
Using cached docutils-0.13.1-py2-none-any.whl
Collecting futures<4.0.0,>=2.2.0 (from s3transfer<0.2.0,>=0.1.0->boto3>=1.1.1->credstash)
Using cached futures-3.0.5-py2-none-any.whl
Collecting six>=1.5 (from python-dateutil<3.0.0,>=2.1->botocore<1.5.0,>=1.4.1->boto3>=1.1.1->credstash)
Using cached six-1.10.0-py2.py3-none-any.whl
Installing collected packages: six, python-dateutil, docutils, botocore, futures, s3transfer, boto3, credstash
Found existing installation: six 1.4.1
DEPRECATION: Uninstalling a distutils installed project (six) has been deprecated and will be removed in a future version. This is due to the fact that uninstalling a distutils project will only partially uninstall the project.
Uninstalling six-1.4.1:
Exception:
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/pip/basecommand.py", line 246, in main
status = self.run(options, args)
File "/Library/Python/2.7/site-packages/pip/commands/install.py", line 352, in run
root=options.root_path,
File "/Library/Python/2.7/site-packages/pip/req/req_set.py", line 687, in install
requirement.uninstall(auto_confirm=True)
File "/Library/Python/2.7/site-packages/pip/req/req_install.py", line 730, in uninstall
paths_to_remove.remove(auto_confirm)
File "/Library/Python/2.7/site-packages/pip/req/req_uninstall.py", line 126, in remove
renames(path, new_path)
File "/Library/Python/2.7/site-packages/pip/utils/__init__.py", line 292, in renames
shutil.move(old, new)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 302, in move
copy2(src, real_dst)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 131, in copy2
copystat(src, dst)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 103, in copystat
os.chflags(dst, st.st_flags)
OSError: [Errno 1] Operation not permitted: '/var/folders/z5/37m4q63j3bn48y3dxgf40tdm0000gn/T/pip-LMRqSS-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/six-1.4.1-py2.7.egg-info'
如果我在上述命令中不使用 sudo，则会收到以下异常错误：
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/concurrent'
要获得最新的 pip，因为 pip 是通过 macOS 上的 python 提供的，如果我尝试使用 brew 安装 python，我会得到以下信息，并深入探讨如何首先删除 Xcode：
$ brew install python
Error: Your Xcode (5.0.2) is too outdated.
Please update to Xcode 8.2 (or delete it).
Xcode can be updated from the App Store.
$ pip --version
pip 6.1.1 from /Library/Python/2.7/site-packages (python 2.7)
因为我认为我有一个较旧的 pip 版本，所以我下载了这个文件：
$ wget https://bootstrap.pypa.io/get-pip.py && sudo python get-pip.py
其中成功安装了更新版本的 pip。正在上映：
$ pip --version
pip 9.0.1 from /Library/Python/2.7/site-packages (python 2.7)
重试 pip install credstash 但仍然得到相同的错误（有或没有 sudo）。