Failing to install python-igraph

Question

I'm trying to install python-igraph. After I run sudo pip install python-igraph I got the following log:

Downloading/unpacking python-igraph
  Downloading python-igraph-0.7.1-1.tar.gz (375kB): 375kB downloaded
  Running setup.py egg_info for package python-igraph

Installing collected packages: python-igraph
  Running setup.py install for python-igraph
    Cannot find the C core of igraph on this system using pkg-config.
    We will now try to download and compile the C core from scratch.
    Version number of the C core: 0.7.1-1

    Version 0.7.1-1 of the C core of igraph is not found among the nightly builds.
    Use the --c-core-version switch to try a different version.

    Could not download and compile the C core of igraph.

    WARNING: we were not able to detect where igraph is installed on
    your machine (if it is installed at all). We will use the fallback
    library and include pathss hardcoded in setup.py and hope that the
    C core of igraph is installed there.

    If the compilation fails and you are sure that igraph is installed
    on your machine, adjust the following two variables in setup.py
    accordingly and try again:

    - LIBIGRAPH_FALLBACK_INCLUDE_DIRS
    - LIBIGRAPH_FALLBACK_LIBRARY_DIRS

Build type: dynamic extension                                    
    Include path: /usr/include/igraph /usr/local/include/igraph
    Library path:
    Linked dynamic libraries: igraph
    Linked static libraries:
    Extra compiler options:
    Extra linker options:
    building 'igraph._igraph' extension
    x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/igraph -I/usr/local/include/igraph -I../../build/include -I../../include -I/usr/local/include/igraph -I/usr/include/igraph -I/usr/include/python2.7 -c src/igraphmodule.c -o build/temp.linux-x86_64-2.7/src/igraphmodule.o
    src/igraphmodule.c:25:20: fatal error: igraph.h: No such file or directory
     #include <igraph.h>
                        ^
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
    Complete output from command /usr/bin/python -c "import setuptools;__file__='/tmp/pip_build_root/python-igraph/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-cTa4Ba-record/install-record.txt --single-version-externally-managed:
    running install

running build

running build_py

creating build

creating build/lib.linux-x86_64-2.7

creating build/lib.linux-x86_64-2.7/igraph

copying igraph/formula.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/__init__.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/configuration.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/summary.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/layout.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/cut.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/datatypes.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/utils.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/clustering.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/statistics.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/matching.py -> build/lib.linux-x86_64-2.7/igraph

copying igraph/compat.py -> build/lib.linux-x86_64-2.7/igraph

creating build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/operators.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/isomorphism.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/__init__.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/colortests.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/conversion.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/homepage.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/attributes.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/vertexseq.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/structural.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/separators.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/atlas.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/layouts.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/rng.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/games.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/utils.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/iterators.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/edgeseq.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/indexing.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/spectral.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/cliques.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/flow.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/basic.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/generators.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/matching.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/foreign.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/bipartite.py -> build/lib.linux-x86_64-2.7/igraph/test

copying igraph/test/decomposition.py -> build/lib.linux-x86_64-2.7/igraph/test

creating build/lib.linux-x86_64-2.7/igraph/app

copying igraph/app/__init__.py -> build/lib.linux-x86_64-2.7/igraph/app

copying igraph/app/shell.py -> build/lib.linux-x86_64-2.7/igraph/app

creating build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/__init__.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/edge.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/shapes.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/coord.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/metamagic.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/utils.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/text.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/graph.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/colors.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/vertex.py -> build/lib.linux-x86_64-2.7/igraph/drawing

copying igraph/drawing/baseclasses.py -> build/lib.linux-x86_64-2.7/igraph/drawing

creating build/lib.linux-x86_64-2.7/igraph/remote

copying igraph/remote/__init__.py -> build/lib.linux-x86_64-2.7/igraph/remote

copying igraph/remote/nexus.py -> build/lib.linux-x86_64-2.7/igraph/remote

copying igraph/remote/gephi.py -> build/lib.linux-x86_64-2.7/igraph/remote

creating build/lib.linux-x86_64-2.7/igraph/vendor

copying igraph/vendor/__init__.py -> build/lib.linux-x86_64-2.7/igraph/vendor

copying igraph/vendor/texttable.py -> build/lib.linux-x86_64-2.7/igraph/vendor

running build_ext

Cannot find the C core of igraph on this system using pkg-config.

We will now try to download and compile the C core from scratch.

Version number of the C core: 0.7.1-1



Version 0.7.1-1 of the C core of igraph is not found among the nightly builds.

Use the --c-core-version switch to try a different version.



Could not download and compile the C core of igraph.



WARNING: we were not able to detect where igraph is installed on

your machine (if it is installed at all). We will use the fallback

library and include pathss hardcoded in setup.py and hope that the

C core of igraph is installed there.



If the compilation fails and you are sure that igraph is installed

on your machine, adjust the following two variables in setup.py

accordingly and try again:



- LIBIGRAPH_FALLBACK_INCLUDE_DIRS

- LIBIGRAPH_FALLBACK_LIBRARY_DIRS



Build type: dynamic extension                                    

Include path: /usr/include/igraph /usr/local/include/igraph

Library path:

Linked dynamic libraries: igraph

Linked static libraries:

Extra compiler options:

Extra linker options:

building 'igraph._igraph' extension

creating build/temp.linux-x86_64-2.7

creating build/temp.linux-x86_64-2.7/src

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/igraph -I/usr/local/include/igraph -I../../build/include -I../../include -I/usr/local/include/igraph -I/usr/include/igraph -I/usr/include/python2.7 -c src/igraphmodule.c -o build/temp.linux-x86_64-2.7/src/igraphmodule.o

src/igraphmodule.c:25:20: fatal error: igraph.h: No such file or directory

 #include <igraph.h>

                    ^

compilation terminated.

error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

----------------------------------------
Cleaning up...
Command /usr/bin/python -c "import setuptools;__file__='/tmp/pip_build_root/python-igraph/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-cTa4Ba-record/install-record.txt --single-version-externally-managed failed with error code 1 in /tmp/pip_build_root/python-igraph
Storing complete log in /home/sergey/.pip/pip.log

And I have similar situation if I do it with sudo python setup.py install.

Apparently the problem is with C core.

How can I install the correct version of it so that I can install igraph?

I use Linux Mint 16 64-bit, python 2.7.

Answer 1

You need igraph libraries before compiling python-igraph.

Try sudo apt-get install -y libigraph0-dev and try install python-igraph again.