How to use the Python pillow library

Which version of python? If 3 comes with pip, it should be fine, pip install pillow if it is 2, you can install the **pillow library installation package online.

Find the Easy tool. After installing Python in Windows, the Easy Install tool is installed by default in the scripts file in the installation path. The full path is as follows:

d:\python27\scripts\easy_;Among them is the installation path of my python, which you can change according to your own installation path.

Use the easy tool to install pip with one clickOpen cmd and enter the installation command. The operation command is shown in the following figure:

After pip is successfully installed, run pip in cmd, and the following message will be displayed:

Then use pip to install yum similar to redhat with one click, and it is very convenient to install python packages. The operation command is shown in the following figure:

5 At this point, it is installed. Let's use it right away.,The following picture is a character painting that uses this library to convert **.。 After conversion, it was a bit big, and it was split into two.

Friends who are new to Pillow will first take a look at the installation method of Pillow, here we take the Mac OS environment as an example: (1) Use pip to install the Python library. pip is a python package management tool, after installation, you can directly manage various libraries in the command line one-stop empty installation (pip documents are read blindly).

wgettar xzf cd python install

pip install pillow

3) During the installation, an error message appears on the command line: "error: command 'clang' failed with exit status

1”。I checked the Internet and found that I needed to update the Command Line Tool via Xcode. So it opened.

xcode->preferences->downloads-components tab. Hey? There was no command line

tools。Check it again, and find that Xcode 5 and above now need to be installed from the command line:

xcode-select —install

The system will pop up a prompt to install the command line tool, click Install High.

At this point, pip install pillow, and the installation is successful.

pip freeze command to see the python package that has been installed, and pillow is already lying there.

Okay, let's get into the tutorial

image class.

The most important class in the pillow is image, which exists in a module of the same name. It can be instantiated in several ways: by reading from a file, by processing something else, or by creating one directly.

Use the open function in the image module to open a **:

from pil import image>>>im = "")

If the opening is successful, an image object is returned, and the contents of the file can be checked by the object properties.

pil is a powerful image processing library on python, but unfortunately it only supports a pillow that someone later made on top of this, and supports installation with sudo pip3 install pillow or from pil import

There is no official pil library that satisfies the version.

You can lower the python version or use the pillow library instead.

You don't have a designated path!

Absolute path with **.

path = r"c:\"

im =