This morning a number of Python scripts stopped functioning after a system upgrade. libgdal is no longer available, resulting in the following exception:
ImportError: libgdal.so.1: cannot open shared object file: No such file or directory
Trying to re-install the library by hand I am getting unmet dependencies regarding the libgeos-c1 package:
$ sudo apt install libgdal1h
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
libgdal1h : Depends: libgeos-c1 (>= 3.4.2) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
In fact libgeos-c1 can be installed, but it would force the downgrade of libgeos, which would remove pretty much all other GIS software from the system:
$ sudo apt install libgeos-c1
[sudo] password for desouslu:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
libgeos-3.4.2
The following packages will be REMOVED
gdal-bin grass-core libgdal20 libgeos-c1v5 liblas-c3 liblas3 liblwgeom-2.2-5
liblwgeom-dev libopenscenegraph100v5 libosgearth3 libosgearthannotation3
libosgearthfeatures3 libosgearthqt3 libosgearthsymbology3 libosgearthutil3
libqgis-analysis2.14.3 libqgis-app2.14.3 libqgis-core2.14.3
libqgis-customwidgets libqgis-gui2.14.3 libqgis-networkanalysis2.14.3
libqgis-server2.14.3 libqgisgrass7-2.14.3 libqgispython2.14.3 libsfcgal1
libspatialite5 openscenegraph-plugin-osgearth postgis
postgresql-9.3-postgis-2.2 python-gdal python-pyspatialite python-qgis
python-qgis-common python-shapely python3-gdal qgis qgis-plugin-globe
qgis-plugin-grass qgis-provider-grass qgis-providers
The following NEW packages will be installed
libgeos-3.4.2 libgeos-c1
0 to upgrade, 2 to newly install, 40 to remove and 0 not to upgrade.
Need to get 0 B/454 kB of archives.
After this operation, 218 MB disk space will be freed.
Do you want to continue? [Y/n]
I have libgeos-3.5.0 installed from the UbuntuGIS PPA:
$ apt-cache policy libgeos-3.5.0
libgeos-3.5.0:
Installed: 3.5.0-1~trusty1
Candidate: 3.5.0-1~trusty1
Version table:
*** 3.5.0-1~trusty1 0
500 http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
If I understand correctly, I need to find a version of the libgeos-c1 package that is compatible with libgeos-3.5.0. Would anyone know where I could get it?
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