在Windows10专业版上,我正在运行一个安装了python和jupyter的docker镜像。我可以启动docker镜像,并从该shell启动jupyter笔记本。python2和python3内核都是可用的。PIL和Pillow已安装,但我无法导入它们。如下所示:
(我已经用双星号表示了每个jupyter单元格的内容。
然后,每个单元格的结果简单地跟随在它的下面)
**!pip install Image**
Requirement already satisfied: Image in /usr/local/lib/python3.6/dist-packages (1.5.27)
Requirement already satisfied: pillow in /usr/lib/python3/dist-packages (from Image) (5.1.0)
Requirement already satisfied: django in /usr/local/lib/python3.6/dist-packages (from Image) (2.2)
Requirement already satisfied: sqlparse in /usr/local/lib/python3.6/dist-packages (from django->Image) (0.3.0)
Requirement already satisfied: pytz in /usr/lib/python3/dist-packages (from django->Image) (2018.3)
You are using pip version 19.0.3, however version 19.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
**!pip install Pillow**
Requirement already satisfied: Pillow in /usr/lib/python3/dist-packages (5.1.0)
You are using pip version 19.0.3, however version 19.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
**!python -m pip install pillow**
Requirement already satisfied: pillow in /usr/lib/python3/dist-packages (5.1.0)
You are using pip version 19.0.3, however version 19.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
**import PIL**
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-7-70d569469e06> in <module>()
----> 1 import PIL
ImportError: No module named PIL
**import PIL.Image**
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-8-df3f6661ddbf> in <module>()
----> 1 import PIL.Image
ImportError: No module named PIL.Image
**import pillow**
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-11-e32915389b2c> in <module>()
----> 1 import pillow
ImportError: No module named pillow
但当我退出notebook并在运行的docker容器中启动交互式python会话时,很容易找到PIL:
root@7092fc2336d3:/# python
Python 3.6.7 (default, Oct 22 2018, 11:32:17)
[GCC 8.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import PIL
>>>
发布于 2019-04-30 01:50:17
这太奇怪了。原来jupyter中的pip是安装在python3站点包中,而jupyter笔记本中的python是在python2站点包中查找的。所以当我把枕头装在像这样的jupyter牢房里时
!/usr/bin/python2.7 -m pip install Pillow
现在这个方法起作用了
import PIL.Image
https://stackoverflow.com/questions/55908229
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