如何安裝scikit-image？

其scikit-image Download說：如何安裝scikit-image？

pip install -U scikit-image

或

easy_install -U scikit-image

但都失敗，無論標誌U，如下圖所示：

Georgioss-MacBook-Pro:Downloads gsamaras$ sudo pip install scikit-image 
The directory '/Users/gsamaras/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/gsamaras/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 scikit-image 
    Downloading scikit_image-0.12.3-cp27-cp27m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (22.2MB) 
    100% |████████████████████████████████| 22.2MB 53kB/s 
Requirement already satisfied: dask[array]>=0.5.0 in /Library/Python/2.7/site-packages (from scikit-image) 
Collecting six>=1.7.3 (from scikit-image) 
    Downloading six-1.10.0-py2.py3-none-any.whl 
Collecting networkx>=1.8 (from scikit-image) 
    Downloading networkx-1.11-py2.py3-none-any.whl (1.3MB) 
    100% |████████████████████████████████| 1.3MB 133kB/s 
Requirement already satisfied: pillow>=2.1.0 in /Library/Python/2.7/site-packages (from scikit-image) 
Requirement already satisfied: numpy; extra == "array" in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from dask[array]>=0.5.0->scikit-image) 
Requirement already satisfied: toolz>=0.7.2; extra == "array" in /Library/Python/2.7/site-packages (from dask[array]>=0.5.0->scikit-image) 
Collecting decorator>=3.4.0 (from networkx>=1.8->scikit-image) 
    Downloading decorator-4.0.10-py2.py3-none-any.whl 
Installing collected packages: six, decorator, networkx, scikit-image 
    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-9.0.1-py2.7.egg/pip/basecommand.py", line 215, in main 
    status = self.run(options, args) 
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/commands/install.py", line 342, in run 
    prefix=options.prefix_path, 
    File "/Library/Python/2.7/site-packages/pip-9.0.1-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-9.0.1-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-9.0.1-py2.7.egg/pip/req/req_uninstall.py", line 115, in remove 
    renames(path, new_path) 
    File "/Library/Python/2.7/site-packages/pip-9.0.1-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 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: '/tmp/pip-qlMJKP-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/six-1.4.1-py2.7.egg-info' 
Georgioss-MacBook-Pro:Downloads gsamaras$

和：

Georgioss-MacBook-Pro:Downloads gsamaras$ sudo easy_install scikit-image 
Searching for scikit-image 
Reading https://pypi.python.org/simple/scikit-image/ 
Best match: scikit-image 0.12.3 
Downloading https://pypi.python.org/packages/86/d0/b0192dc9a544da90f2d9150bcd84b981c6873e42a1f752b6affb89180ad8/scikit-image-0.12.3.tar.gz#md5=04ea833383e0b6ad5f65da21292c25e1 
Processing scikit-image-0.12.3.tar.gz 
Writing /tmp/easy_install-X6Pjoh/scikit-image-0.12.3/setup.cfg 
Running scikit-image-0.12.3/setup.py -q bdist_egg --dist-dir /tmp/easy_install-X6Pjoh/scikit-image-0.12.3/egg-dist-tmp-lHJxkL 
Killed: 9

Notic電子brew也失敗，它無法找到它。

我有Python 2.7.10，Matplotlib 1.3.1，PIL 3.4.2和Scipy'0.18.1'。該怎麼辦？

來源

2016-12-06 gsamaras

你應該使用virtualenv。看到我的答案在這裏：http://stackoverflow.com/a/40675615/1513933 –

@LaurentLAPORTE你的答案似乎太簡潔，我沒有經驗，你能指導我通過嗎？：/ – gsamaras

有關** virtualenv **的文檔位於：https：//virtualenv.pypa.io。但也看到我的答案。 –

在您的系統範圍的Python上安裝庫通常是一個壞主意。改爲爲每個項目使用virtualenv。

首先在Mac上安裝virtualenv全球：

$ [sudo] pip install virtualenv

然後使用virtualenv命令創建一個Python的新（複印件）可執行文件：

$ cd your/prefred/folder 
$ virtualenv your_project

激活的virtualenv：

$ source your_project/bin/activate

Y我們的virtualenv被創建並激活（提示符被更改爲顯示激活）。你可以在其中安裝任何東西：

$ pip install -U scikit-image

來源

2016-12-06 21:57:53

雖然這應該工作，但我會死的解決它沒有virtualenv。我會等待看看是否有其他事情發生，否則我會接受你的回答，謝謝！ – gsamaras

當然。請記住，「強制」在系統範圍內安裝它（例如使用* sudo *）會污染你的Python安裝，並可能安裝可能破壞你的系統/操作系統的不需要的軟件包。 –

沒有出現。我已經安裝了一些東西，先卸載它們然後進入virtualenv的東西，對嗎？ – gsamaras

如何安裝scikit-image？

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