我成功安装了graphviz和cgraph。
$ sudo pip install graphviz
....
Successfully installed graphviz-0.5.1
$ sudo pip install cgraph
...
Successfully installed cgraph-0.1
在运行sudo pip install pygraphviz时，我遇到了问题No package 'libcgraph' found。以下是完整的堆栈跟踪。
$ sudo pip install pygraphviz
The directory '/Users/sparkandshine/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/sparkandshine/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 pygraphviz
Downloading pygraphviz-1.3.1.zip (123kB)
100% |████████████████████████████████| 133kB 1.5MB/s
Installing collected packages: pygraphviz
Running setup.py install for pygraphviz ... error
Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/private/tmp/pip-build-qfFpFG/pygraphviz/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-JmwjA6-record/install-record.txt --single-version-externally-managed --compile:
running install
Trying pkg-config
Package libcgraph was not found in the pkg-config search path.
Perhaps you should add the directory containing `libcgraph.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libcgraph' found
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/tmp/pip-build-qfFpFG/pygraphviz/setup.py", line 87, in <module>
tests_require=['nose>=0.10.1', 'doctest-ignore-unicode>=0.1.0',],
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/core.py", line 151, in setup
dist.run_commands()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 953, in run_commands
self.run_command(cmd)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 972, in run_command
cmd_obj.run()
File "setup_commands.py", line 44, in modified_run
self.include_path, self.library_path = get_graphviz_dirs()
File "setup_extra.py", line 121, in get_graphviz_dirs
include_dirs, library_dirs = _pkg_config()
File "setup_extra.py", line 44, in _pkg_config
output = S.check_output(['pkg-config', '--libs-only-L', 'libcgraph'])
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 573, in check_output
raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command '['pkg-config', '--libs-only-L', 'libcgraph']' returned non-zero exit status 1
----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/private/tmp/pip-build-qfFpFG/pygraphviz/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-JmwjA6-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/tmp/pip-build-qfFpFG/pygraphviz/
我尝试了Python does not see pygraphviz提供的解决方案，但没有成功。
brew install graphviz-devel和brew install pkg-config。 - Moses Koledoye