blocks|key|399115|text|构建Matplotlib需要libpng+(以及freetype+)，它不是python库，所以pip不负责安装它(或freetype)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|399116|您需要安装类似于libpng-devel和freetype-devel+(或适用于您的操作系统的任何等价物)的东西。|399117|参见matplotlib的building+requirements/instructions。|399118|entityMap|0|LINK|mutability|MUTABLE|url|http://matplotlib.sourceforge.net/users/installing.html#build-requirements^0|E|6|O|8|1C|3|1N|8|0|8|C|L|E|0|D|Y|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]|$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|15|8|@]|D|@$9|16|A|17|1|18]]|E|$]]|$1|J|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|K|$L|$5|M|N|O|E|$P|Q]]]]

Building Matplotlib requires <code>libpng</code> (and <code>freetype</code>, as well) which isn't a python library, so <code>pip</code> doesn't handle installing it (or <code>freetype</code>). 

You'll need to install something along the lines of <code>libpng-devel</code> and <code>freetype-devel</code> (or whatever the equivalent is for your OS).

See the <a href="http://matplotlib.sourceforge.net/users/installing.html#build-requirements">building requirements/instructions</a> for matplotlib.

blocks|key|615155|text|要生成png格式的图形，需要安装以下依赖包|type|unstyled|depth|inlineStyleRanges|entityRanges|data|615156|sudo+apt-get+install+libpng-dev
sudo+apt-get+install+libfreetype6-dev|code-block|syntax|javascript|615157|Ubuntu+https://apps.ubuntu.com/cat/applications/libpng12-0/或使用以下命令|offset|length|615158|sudo+apt-get+install+libpng12-0|615159|entityMap|0|LINK|mutability|MUTABLE|url|https://apps.ubuntu.com/cat/applications/libpng12-0/^0|0|0|7|1G|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@]|9|@$I|X|J|Y|1|Z]]|A|$]]|$1|K|3|L|5|D|7|10|8|@]|9|@]|A|$E|F]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

To generate graph in png format you need to Install following dependent packages

<pre><code>sudo apt-get install libpng-dev
sudo apt-get install libfreetype6-dev
</code></pre>

Ubuntu <a href="https://apps.ubuntu.com/cat/applications/libpng12-0/" rel="nofollow noreferrer">https://apps.ubuntu.com/cat/applications/libpng12-0/</a>
or using following command

<pre><code>sudo apt-get install libpng12-0
</code></pre>

blocks|key|615190|text|作为补充，在亚马逊EC2上，我需要做的是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|615191|sudo+yum+install+freetype-devel
sudo+yum+install+libpng-devel
sudo+pip+install+matplotlib|code-block|syntax|javascript|615192|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

As a supplementary, on Amazon EC2, what I need to do is:

<pre><code>sudo yum install freetype-devel
sudo yum install libpng-devel
sudo pip install matplotlib
</code></pre>

blocks|key|399236|text|在OSX上，我可以通过以下方式安装matplotlib：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|399237|pip+install+matplotlib==1.4.0|code-block|syntax|javascript|399238|只有在我跑完之后：|399239|brew+install+freetype|399240|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

On OSX I was able to get matplotlib to install via:

<pre><code>pip install matplotlib==1.4.0
</code></pre>

only after I ran:

<pre><code>brew install freetype
</code></pre>

blocks|key|399331|text|在Windows下，这对我来说很有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|399332|python+-m+pip+install+-U+pip+setuptools
python+-m+pip+install+matplotlib|code-block|syntax|javascript|399333|(来自https://matplotlib.org/users/installing.html)|offset|length|399334|entityMap|0|LINK|mutability|MUTABLE|url|https://matplotlib.org/users/installing.html^0|0|0|3|18|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

Under Windows this worked for me:

<pre><code>python -m pip install -U pip setuptools
python -m pip install matplotlib
</code></pre>

(from <a href="https://matplotlib.org/users/installing.html" rel="noreferrer">https://matplotlib.org/users/installing.html</a>)

blocks|key|399271|text|sudo+apt-get+install+libpng-dev+libjpeg8-dev+libfreetype6-dev|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|399272|在Ubuntu+14.04上为我工作|unstyled|399273|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>sudo apt-get install libpng-dev libjpeg8-dev libfreetype6-dev
</code></pre>

worked for me on Ubuntu 14.04

blocks|key|399305|text|在Mint中，上面的答案对我都不起作用，所以我做到了：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|399306|sudo+apt-get+install+build-essential+g%2B%2B|code-block|syntax|javascript|399307|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

None of the above answers worked for me in Mint, so I did:

<pre><code>sudo apt-get install build-essential g++
</code></pre>

blocks|key|399940|text|如果在MacOSx上尝试|type|unstyled|depth|inlineStyleRanges|entityRanges|data|399941|xcode-select+--install|code-block|syntax|javascript|399942|这符合subprocess+32，这是失败的原因。|offset|length|style|CODE|399943|entityMap^0|0|0|3|D|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

If on MacOSx try

<pre><code>xcode-select --install
</code></pre>

This complies <code>subprocess 32</code>, the reason for the failure.

blocks|key|400011|text|要减少安装所需的软件包，您只需|type|unstyled|depth|inlineStyleRanges|entityRanges|data|400012|apt-get+install+-y+\
++++libfreetype6-dev+\
++++libxft-dev+&&+\
++++pip+install+matplotlib|code-block|syntax|javascript|400013|并且您将在本地安装以下包|400014|Collecting+matplotlib
++Downloading+matplotlib-2.2.0-cp35-cp35m-manylinux1_x86_64.whl+(12.5MB)
Collecting+pytz+(from+matplotlib)
++Downloading+pytz-2018.3-py2.py3-none-any.whl+(509kB)
Collecting+python-dateutil>=2.1+(from+matplotlib)
++Downloading+python_dateutil-2.6.1-py2.py3-none-any.whl+(194kB)
Collecting+pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1+(from+matplotlib)
++Downloading+pyparsing-2.2.0-py2.py3-none-any.whl+(56kB)
Requirement+already+satisfied:+six>=1.10+in+/opt/conda/envs/pytorch-py35/lib/python3.5/site-packages+(from+matplotlib)
Collecting+cycler>=0.10+(from+matplotlib)
++Downloading+cycler-0.10.0-py2.py3-none-any.whl
Collecting+kiwisolver>=1.0.1+(from+matplotlib)
++Downloading+kiwisolver-1.0.1-cp35-cp35m-manylinux1_x86_64.whl+(949kB)
Requirement+already+satisfied:+numpy>=1.7.1+in+/opt/conda/envs/pytorch-py35/lib/python3.5/site-packages+(from+matplotlib)
Requirement+already+satisfied:+setuptools+in+/opt/conda/envs/pytorch-py35/lib/python3.5/site-packages/setuptools-27.2.0-py3.5.egg+(from+kiwisolver>=1.0.1->matplotlib)
Installing+collected+packages:+pytz,+python-dateutil,+pyparsing,+cycler,+kiwisolver,+matplotlib
Successfully+installed+cycler-0.10.0+kiwisolver-1.0.1+matplotlib-2.2.0+pyparsing-2.2.0+python-dateutil-2.6.1+pytz-2018.3|400015|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

To reduce the required packages to install you just need

<pre><code>apt-get install -y \
 libfreetype6-dev \
 libxft-dev &amp;&amp; \
 pip install matplotlib
</code></pre>

and you will get the following packages locally installed

<pre><code>Collecting matplotlib
 Downloading matplotlib-2.2.0-cp35-cp35m-manylinux1_x86_64.whl (12.5MB)
Collecting pytz (from matplotlib)
 Downloading pytz-2018.3-py2.py3-none-any.whl (509kB)
Collecting python-dateutil&gt;=2.1 (from matplotlib)
 Downloading python_dateutil-2.6.1-py2.py3-none-any.whl (194kB)
Collecting pyparsing!=2.0.4,!=2.1.2,!=2.1.6,&gt;=2.0.1 (from matplotlib)
 Downloading pyparsing-2.2.0-py2.py3-none-any.whl (56kB)
Requirement already satisfied: six&gt;=1.10 in /opt/conda/envs/pytorch-py35/lib/python3.5/site-packages (from matplotlib)
Collecting cycler&gt;=0.10 (from matplotlib)
 Downloading cycler-0.10.0-py2.py3-none-any.whl
Collecting kiwisolver&gt;=1.0.1 (from matplotlib)
 Downloading kiwisolver-1.0.1-cp35-cp35m-manylinux1_x86_64.whl (949kB)
Requirement already satisfied: numpy&gt;=1.7.1 in /opt/conda/envs/pytorch-py35/lib/python3.5/site-packages (from matplotlib)
Requirement already satisfied: setuptools in /opt/conda/envs/pytorch-py35/lib/python3.5/site-packages/setuptools-27.2.0-py3.5.egg (from kiwisolver&gt;=1.0.1-&gt;matplotlib)
Installing collected packages: pytz, python-dateutil, pyparsing, cycler, kiwisolver, matplotlib
Successfully installed cycler-0.10.0 kiwisolver-1.0.1 matplotlib-2.2.0 pyparsing-2.2.0 python-dateutil-2.6.1 pytz-2018.3
</code></pre>

blocks|key|400066|text|另一种选择是安装anaconda，它附带的包包括:+Matplotlib、numpy和pandas。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|400067|https://anaconda.org|offset|length|400068|entityMap|0|LINK|mutability|MUTABLE|url|https://anaconda.org/^0|0|0|K|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

Another option is to install anaconda, which comes with packages such as: Matplotlib, numpy and pandas.

<a href="https://anaconda.org" rel="nofollow noreferrer">https://anaconda.org</a>

blocks|key|400112|text|安装带有Python+3.9的matplotlib==3.3.3为我解决了这个问题。Reference|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|400113|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/duo-labs/cloudmapper/issues/803#issue-743365536^0|4|A|F|H|16|9|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]]|D|@$9|S|A|T|1|U]]|E|$]]|$1|F|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

Installing <code>matplotlib==3.3.3</code> with <code>Python 3.9</code> resolved the issue for me. <a href="https://github.com/duo-labs/cloudmapper/issues/803#issue-743365536" rel="nofollow noreferrer">Reference</a>

I am trying to install matplotlib in a new virtualenv. 

When I do: 

<pre><code>pip install matplotlib
</code></pre>

or

<pre><code>pip install http://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.1.0/matplotlib-1.1.0.tar.gz
</code></pre>

I get this error:

<pre><code>building 'matplotlib._png' extension

gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -fPIC - DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I. -I/home/sam/django-projects/datazone/local/lib/python2.7/site-packages/numpy/core/include -I. -I/usr/include/python2.7 -c src/_png.cpp -o build/temp.linux-x86_64-2.7/src/_png.o

src/_png.cpp:10:20: fatal error: png.h: No such file or directory

compilation terminated.

error: command 'gcc' failed with exit status 1
</code></pre>

Anyone have an idea what is going on?

Any help much appreciated.

Pip install Matplotlib error with virtualenv

Windows

Python

Ubuntu

我正在尝试在一个新的虚拟环境中安装matplotlib。当我这样做的时候：pip install matplotlib或pip install http://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.1.0/matplotlib-1.1.0.tar.gz我得到了这个错误：building 'matplotli

问virtualenv的Pip安装Matplotlib错误
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