Public bug reported:
Hi,
I'm trying to upgrade a script using Mapnik from Python 2.7 to 3.5, but
instantiating the object fails with the following error. As far as I can tell
the problems stems from the fact that the Python 3 version of mapnik is linked
to the Python 2.7 version of boost (libboost_python-py27.so.1.58.0 as opposed
to libboost_python-py35.so.1.58.0):
python3.5 ./generate_tiles_generic_3.py
Traceback (most recent call last):
File "./generate_tiles_generic_3.py", line 30, in <module>
import mapnik
File "/usr/lib/python3/dist-packages/mapnik/__init__.py", line 74, in <module>
from ._mapnik import *
ImportError: /usr/lib/x86_64-linux-gnu/libboost_python-py27.so.1.58.0:
undefined symbol: PyClass_Type
Checking ldd of the Python package reveals:
ldd _mapnik.cpython-35m-x86_64-linux-gnu.so
...
libboost_python-py27.so.1.58.0 =>
/usr/lib/x86_64-linux-gnu/libboost_python-py27.so.1.58.0 (0x00007fbed5273000)
The Pyhon script has the following on line 30:
import mapnik
Br,
Martin
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: python3-mapnik 1:0.0~20150817-da1d9dd-1
ProcVersionSignature: Ubuntu 4.2.0-34.39-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: XFCE
Date: Wed Mar 30 12:56:08 2016
InstallationDate: Installed on 2015-02-26 (397 days ago)
InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: python-mapnik
UpgradeStatus: Upgraded to wily on 2015-11-10 (140 days ago)
** Affects: python-mapnik (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1563789
Title:
Linked against Python2.7 version of boost causing mapnik to fail
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