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Failed to install python-igraph

I am trying to install python-igraph. After running 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 a similar situation if I do this with sudo python setup.py install .

Obviously, the problem is with the C core.

How to install the correct version so that I can install igraph?

I am using Linux Mint 16 64-bit, python 2.7.

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4 answers

Before compiling python-igraph, you need the igraph libraries.

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

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For Windows users

  • To download unofficial python-igraph (according to the official installation instructions for igraph ), select the appropriate environment-based .whl file (python version, 64 bits vs 32 bits).
  • Open the command console and cd to the .whl folder

  • Run the following command:

     pip install python_igraph-0.7.1.post.xxx.whl
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For Ubuntu users:

Add the igraph repository to apt:

 sudo add-apt-repository ppa:igraph/ppa

Then update and install the python-igraph package:

 sudo apt-get update sudo apt-get install python-igraph
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Using Ubuntu 16 and Python3.

 pip3 install python-igraph

leads to making errors. but

 sudo apt-get install python3-igraph

worked fine.

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Source: https://habr.com/ru/post/982277/

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