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《LINUX学习：pip 安装Matplotlib报错 png can not be built》要点：
本文介绍了LINUX学习：pip 安装Matplotlib报错 png can not be built，希望对您有用。如果有疑问，可以联系我们。
pip 安装Matplotlib的时候报如下差错
[root@biostacs /]# pip install matplotlib --upgrade
Collecting matplotlib
Downloading matplotlib-1.5.1.tar.gz (54.0MB)
100% |████████████████████████████████| 54.0MB 12kB/s
Complete output from command python setup.py egg_info:
============================================================================
Edit setup.cfg to change the build options
BUILDING MATPLOTLIB
matplotlib: yes [1.5.1]
python: yes [2.7.5 (default,Nov 20 2015,02:00:19) [GCC
4.8.5 20150623 (Red Hat 4.8.5-4)]]
platform: yes [linux2]
REQUIRED DEPENDENCIES AND EXTENSIONS
numpy: yes [version 1.7.1]
dateutil: yes [using dateutil version 1.5]
pytz: yes [using pytz version 2012d]
cycler: yes [cycler was not found. pip will attempt to
install it after matplotlib.]
tornado: yes [using tornado version 4.2.1]
pyparsing: yes [Your pyparsing contains a bug that will be
monkey-patched by matplotlib. For best results,upgrade to pyparsing 2.0.1 or later.]
libagg: yes [pkg-config information for 'libagg' could not
be found. Using local copy.]
freetype: yes [version 2.4.11]
png: no [pkg-config information for 'libpng' could not
be found.]
qhull: yes [pkg-config information for 'qhull' could not be
found. Using local copy.]
OPTIONAL SUBPACKAGES
sample_data: yes [installing]
toolkits: yes [installing]
tests: yes [using nose version 1.3.0 / mock is required to
run the matplotlib test suite. Please install it
with pip or your preferred tool to run the test
suite]
toolkits_tests: yes [using nose version 1.3.0 / mock is required to
run the matplotlib test suite. Please install it
with pip or your preferred tool to run the test
suite]
OPTIONAL BACKEND EXTENSIONS
macosx: no [Mac OS-X only]
qt5agg: no [PyQt5 not found]
qt4agg: no [PySide not found; PyQt4 not found]
** (-c:3688): WARNING **: Could not open X display
gtk3agg: yes [installing,version 3.13.14]
** (-c:3699): WARNING **: Could not open X display
gtk3cairo: yes [installing,version 3.13.14]
gtkagg: no [pygtk present,but import failed.]
tkagg: no [TKAgg requires Tkinter.]
wxagg: no [requires wxPython]
gtk: no [pygtk present,but import failed.]
agg: yes [installing]
cairo: yes [installing,pycairo version 1.8.10]
windowing: no [Microsoft Windows only]
OPTIONAL LATEX DEPENDENCIES
dvipng: yes [version 1.14]
ghostscript: yes [version 9.07]
latex: yes [version 3.1415926]
pdftops: yes [version 0.26.5]
OPTIONAL PACKAGE DATA
dlls: no [skipping due to configuration]
============================================================================
* The following required packages can not be built:
* png
----------------------------------------
png无法建立,如果不知道这些库必要安装的包名,可以查一下：
[root@biostacs /]# yum search png | grep devel
libpng-devel.i686 : Development tools for programs to manipulate PNG image
libpng-devel.x86_64 : Development tools for programs to manipulate PNG image
安装libpng
yum -y install libpng-devel
pip 安装matplotlib
[root@biostacs /]# pip install matplotlib --upgrade
You are using pip version 7.1.0,however version 8.1.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting matplotlib
Using cached matplotlib-1.5.1.tar.gz
Collecting numpy>=1.6 (from matplotlib)
Downloading numpy-1.11.1.zip (4.7MB)
100% |████████████████████████████████| 4.7MB 118kB/s
Collecting python-dateutil (from matplotlib)
Downloading python_dateutil-2.5.3-py2.py3-none-any.whl (201kB)
100% |████████████████████████████████| 204kB 1.4MB/s
Collecting pytz (from matplotlib)
Downloading pytz-2016.6.1-py2.py3-none-any.whl (481kB)
100% |████████████████████████████████| 483kB 912kB/s
Collecting cycler (from matplotlib)
Downloading cycler-0.10.0-py2.py3-none-any.whl
Collecting pyparsing!=2.0.0,!=2.0.4,>=1.5.6 (from matplotlib)
Downloading pyparsing-2.1.5-py2.py3-none-any.whl (42kB)
100% |████████████████████████████████| 45kB 1.1MB/s
Collecting six>=1.5 (from python-dateutil->matplotlib)
Using cached six-1.10.0-py2.py3-none-any.whl
Building wheels for collected packages: matplotlib,numpy
Running setup.py bdist_wheel for matplotlib
Stored in directory: /root/.cache/pip/wheels/d8/38/3c/a388e11fd09f9b23f5e4cd74594197394d9fd65f91f64c4aa7
Running setup.py bdist_wheel for numpy
Stored in directory: /root/.cache/pip/wheels/10/1d/d8/608bdeaee5aad9e278259fa68d21a29c995a9117a250f7be26
Successfully built matplotlib numpy
Installing collected packages: numpy,six,python-dateutil,pytz,cycler,pyparsing,matplotlib
Found existing installation: numpy 1.11.0
Uninstalling numpy-1.11.0:
Successfully uninstalled numpy-1.11.0
Found existing installation: six 1.9.0
Uninstalling six-1.9.0:
Successfully uninstalled six-1.9.0
Found existing installation: python-dateutil 1.5
Uninstalling python-dateutil-1.5:
Successfully uninstalled python-dateutil-1.5
Found existing installation: pytz 2012d
DEPRECATION: Uninstalling a distutils installed project (pytz) 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 pytz-2012d:
Successfully uninstalled pytz-2012d
Found existing installation: pyparsing 1.5.6
DEPRECATION: Uninstalling a distutils installed project (pyparsing) 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 pyparsing-1.5.6:
Successfully uninstalled pyparsing-1.5.6
Found existing installation: matplotlib 1.2.0
DEPRECATION: Uninstalling a distutils installed project (matplotlib) 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 matplotlib-1.2.0:
Successfully uninstalled matplotlib-1.2.0
Successfully installed cycler-0.10.0 matplotlib-1.5.1 numpy-1.11.1 pyparsing-2.1.5 python-dateutil-2.5.3 pytz-2016.6.1 six-1.10.0
胜利了…
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