Package: python-mapnik
Version: 0.7.1-3
Severity: normal
The Python 2.5 version of the Python mapnik library does not work at all:
robin@arrow:~$ python2.5 -c 'import mapnik'
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/pymodules/python2.5/mapnik/__init__.py", line 522, in <module>
register_plugins()
File "/usr/lib/pymodules/python2.5/mapnik/__init__.py", line 512, in
register_plugins
DatasourceCache.instance().register_datasources(path)
Boost.Python.ArgumentError: Python argument types in
DatasourceCache.register_datasources(str)
did not match C++ signature:
register_datasources(std::string)
The reason for this appears to be that the Python 2.5 version of the mapnik
package is
linked against the Python 2.6 version of libboost_python:
robin@arrow:~$ ldd /usr/lib/pyshared/python2.5/mapnik/_mapnik.so
[...]
libboost_python-py26.so.1.42.0 => /usr/lib/libboost_python-py26.so.1.42.0
(0x00007f18dcd3f000)
[...]
If this is manually overridden using LD_PRELOAD, the mapnik library then works
with Python 2.5:
robin@arrow:~$ env LD_PRELOAD=/usr/lib/libboost_python-py25.so.1.42.0 python2.5
-c 'import mapnik'
Robin
-- System Information:
Debian Release: 6.0.3
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable'), (50, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages python-mapnik depends on:
ii libboost-python1.42.0 1.42.0-4 Boost.Python Library
ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib
ii libgcc1 1:4.4.5-8 GCC support library
ii libjpeg62 6b1-1 The Independent JPEG Group's JPEG
ii libmapnik0.7 0.7.1-3 C++/Python toolkit for developing
ii libpng12-0 1.2.44-1+squeeze1 PNG library - runtime
ii libstdc++6 4.4.5-8 The GNU Standard C++ Library v3
ii python 2.6.6-3+squeeze6 interactive high-level object-orie
ii python-cairo 1.8.8-1+b1 Python bindings for the Cairo vect
ii python-support 1.0.10 automated rebuilding support for P
python-mapnik recommends no packages.
python-mapnik suggests no packages.
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