Re: [igraph] igraph visualization

[Ahmed Abdeen Hamed]

I removed all python versions and cairo and installed everything again using Homebrew

Still getting errors:

>>> plot(g, layout = layout)

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "/Library/Python/2.7/site-packages/igraph/drawing/__init__.py", line 437, in plot

    result.show()

  File "/Library/Python/2.7/site-packages/igraph/drawing/__init__.py", line 321, in show

    self.redraw(ctx)

  File "/Library/Python/2.7/site-packages/igraph/drawing/__init__.py", line 274, in redraw

    plotter(ctx, bbox, palette, *args, **kwds)

  File "/Library/Python/2.7/site-packages/igraph/__init__.py", line 2942, in __plot__

    drawer.draw(self, palette, *args, **kwds)

  File "/Library/Python/2.7/site-packages/igraph/drawing/graph.py", line 175, in draw

    layout.fit_into(bbox, keep_aspect_ratio=False)

  File "/Library/Python/2.7/site-packages/igraph/layout.py", line 413, in fit_into

    mins, maxs = self.boundaries()

  File "/Library/Python/2.7/site-packages/igraph/layout.py", line 333, in boundaries

    mins.append(min(col)-border)

ValueError: min() arg is an empty sequence

>>> 

Does this look like something you are familiar with?

Thanks!

-Ahmed

On Sun, Nov 10, 2013 at 7:56 PM, Ahmed Abdeen Hamed <address@hidden> wrote:

I am still unable get it to work even though I tried both advice:

The path is: 

PYTHONPATH=/usr/local/lib/python2.7/site-packages

When I try which python is still get the following, which is not the path for the brew

/usr/bin/python

Here is what I have in my .bash_login

PATH="${PATH}:/Users/ahamed/bin:/opt/local/bin:/usr/local/lib/python2.7"

export PATH="${PATH}:/Users/ahamed/bin:/opt/local/bin" 

# Setting PATH for EPD_free-7.3-2

# The orginal version is saved in .bash_login.pysave

export PATH=$PATH:/Applications/InfiniteGraph/3.1/bin

export PYTHONPATH=/usr/local/lib/python2.7/site-packages

export ECLIPSE_HOME=/Applications/eclipse/

export PATH=$PATH:$ECLIPSE_HOME:$PYTHONPATH

##

# Your previous /Users/ahamedCOM/.bash_login file was backed up as /Users/ahamedCOM/.bash_login.macports-saved_2013-11-08_at_22:21:22

##

Is there anything fishy here?

-Ahmed

On Sun, Nov 10, 2013 at 1:25 PM, Tamás Nepusz <address@hidden> wrote:

FWIW, I managed to run “brew install py2cairo” without having to install a brew-based Python. I simply added “/usr/local/lib/python2.7/site-packages” on my Python path and it imports the cairo module just fine.

This seems to be confirmed by Homebrew’s wiki:

“If you have a brewed python, then the bindings are installed for that one. But if you don't have a brewed Python, Homebrew basically just uses the first python (and python-config) in your PATH. Check that by which python.”

https://github.com/mxcl/homebrew/wiki/Homebrew-and-Python#homebrew-provided-python-bindings

So, basically, I think you simply have to add /usr/local/lib/python2.7/site-packages to your PYTHONPATH and you should be fine.

— 

T.