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FAQ
---
:Q: I followed the installation instructions but when I do
>>> import pygraphviz
I get an error like
ImportError: libagraph.so.1: cannot open shared object file: No
such file or directory
What is wrong?
:A: Some Unix systems don't include the Graphviz library in the
default search path for the run-time linker. The path is often
something like /usr/lib/graphviz or /sw/lib/graphviz etc. and
it needs to be added to your search path. You can
1. set the LD_LIBRARY_PATH environment variable
e.g. export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/lib/graphviz
2. configure your system with the additional path.
e.g. for Linux add a line to /etc/ld.so.conf and
run ldconfig
:Q: How do I compile pygraphviz under Windows? And why
don't you distribute a pygraphviz Windows installer?
:A: We don't have Windows development machines but would like to
have pygraphviz work on all platforms. If you have success
with Windows or would be willing to help test and distribute a
Windows installer please drop us a note.
See also tickets: https://networkx.lanl.gov/trac/ticket/117
https://networkx.lanl.gov/trac/ticket/491
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