#18929: Include igraph library
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Reporter: borassi | Owner:
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.8
Component: packages: optional | Resolution:
Keywords: igraph library | Merged in:
Authors: Michele Borassi | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Changes (by {'newvalue': u'Michele Borassi', 'oldvalue': ''}):
* status: new => needs_info
* author: => Michele Borassi
* cc: ncohen, dcoudert, vbraun (added)
* component: PLEASE CHANGE => packages: optional
* keywords: => igraph library
* type: PLEASE CHANGE => enhancement
Old description:
New description:
Include igraph library ![1] in Sagemath, so that we can use its
algorithms. Add routines to convert Sage graphs into igraph and viceversa.
If we manage to include igraph, we will have access to 62 algorithms on
graphs: 29 of them are not available in Sage, yet ![2].
![1]http://igraph.org/python/
![2] https://docs.google.com/spreadsheets/d/1Iu1hkQtRn9J-
sgfZbQTu2RoXzyjoMEWP5-cm3nAwnWE/edit#gid=0
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Comment:
Hello!
With this ticket, I would like to add igraph library to Sage. I have tried
to follow as much as possible the instructions in ![1], to include the
following external libraries:
* igraph-0.7.1, available in ![2] (the C/C++ core of igraph);
* python-igraph-0.7.0, available in ![3] (the Python interface).
In order to build this code, you should do the following.
* Download the two .tar.gz source code files [2,3] and put them in folder
`SAGE_ROOT/upstream` (this folder is not synchronized with git).
* run the script `SAGE_ROOT/build/pkgs/python_igraph/spkg-src` from
folder `SAGE_ROOT`, with command `./build/pkgs/python_igraph/spkg-src`.
The problem is that Sage does not like dashes inside the package name: the
script converts the file `python-igraph-0.7.0.tar.gz` into
`python_igraph-0.7.0.gz` (it is also necessary to modify the name of a
folder inside the tar archive).
I am not really sure about the procedure (in particular, about `spkg-
src`), so I would like to have feedback, also related to ticket #18826.
Thank you very much!
Michele
![1] doc.sagemath.org/html/en/developer/packaging.html
![2] http://igraph.org/c/#downloads![3]
http://igraph.org/python/#downloads
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Ticket URL: <http://trac.sagemath.org/ticket/18929#comment:1>
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