OSError 导入 python-igraph

Question

我正在尝试导入 igraph，但它一直向我抛出此错误：

>>> import igraph

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.6/site-packages/igraph/__init__.py", 
line 36, in <module>
    from igraph.clustering import *
  File "/usr/local/lib/python3.6/site-packages/igraph/clustering.py", 
line 36, in <module>
    from igraph.drawing.colors import ClusterColoringPalette
  File "/usr/local/lib/python3.6/site-
packages/igraph/drawing/__init__.py", line 27, in <module>
    from igraph.drawing.graph import DefaultGraphDrawer
  File "/usr/local/lib/python3.6/site-
packages/igraph/drawing/graph.py", line 27, in <module>
    from igraph.drawing.edge import ArrowEdgeDrawer
  File "/usr/local/lib/python3.6/site-packages/igraph/drawing/edge.py", 
line 17, in <module>
    cairo = find_cairo()
  File "/usr/local/lib/python3.6/site-
packages/igraph/drawing/utils.py", line 413, in find_cairo
    module = __import__(module_name)
  File "/usr/local/lib/python3.6/site-packages/cairocffi/__init__.py", 
line 41, in <module>
    cairo = dlopen(ffi, 'cairo', 'cairo-2')
  File "/usr/local/lib/python3.6/site-packages/cairocffi/__init__.py", 
 line 38, in dlopen
    raise OSError("dlopen() failed to load a library: %s" % ' / 
'.join(names))
OSError: dlopen() failed to load a library: cairo / cairo-2

我尝试按照 this guide 安装 cairo 但它抛出了这个错误并且没有解决 igraph 导入问题：error: mandatory image surface backend feature could not be enabled
我也尝试安装 pycairo，但结果是 no module founds: cairo，这让我回到原点。
我按照 https://cairographics.org/download/ 的说明尝试了运行 sudo port install cairo。但这导致 Error: Port cairo not found

我的系统配置：

MacOS High Sierra 10.13.1
Python 3.6
python-igraph 0.7.1

我不知道问题出在哪里。任何帮助将不胜感激。谢谢:)

Answer 1

感谢@Aiven，我已经设法解决了我的问题。如果有人遇到同样的问题，这对我来说已经成功了：

brew install cairo
brew install py2cairo
brew install igraph  (install C-core)
sudo pip install python-igraph (install igraph for python)

OSError 导入 python-igraph

OSError importing python-igraph

python

igraph

cairo

pycairo