Created attachment 1561610 [details]
Full log from Copr

python-mapnik 0.1-45.20180411gitfe47aa1.fc31 fails to build with Python 3.8:

+ /usr/bin/python3 setup.py test
running test
running egg_info
writing mapnik.egg-info/PKG-INFO
writing dependency_links to mapnik.egg-info/dependency_links.txt
writing top-level names to mapnik.egg-info/top_level.txt
reading manifest file 'mapnik.egg-info/SOURCES.txt'
writing manifest file 'mapnik.egg-info/SOURCES.txt'
running build_ext
copying build/lib.linux-x86_64-3.8/mapnik/_mapnik.cpython-38m-x86_64-linux-gnu.so -> mapnik
/builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/test/python_tests/filter_test.py:177: SyntaxWarning: invalid escape sequence \B
  expr = mapnik.Expression("[name].replace('(\B)|( )','$1 ')")
/builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/test/python_tests/filter_test.py:182: SyntaxWarning: invalid escape sequence \B
  expr = mapnik.Expression("[name].replace('(\B)|( )','$1 ')")
/builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/test/python_tests/filter_test.py:183: SyntaxWarning: invalid escape sequence \B
  eq_(str(expr), "[name].replace('(\B)|( )','$1 ')")
/builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/test/python_tests/filter_test.py:191: SyntaxWarning: invalid escape sequence \B
  expr = mapnik.Expression("[name].replace('(\B)|( )','$1 ')")
/builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/test/python_tests/json_feature_properties_test.py:38: SyntaxWarning: invalid escape sequence \ 
  "json": '{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\\ quote"}}'
/builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/test/python_tests/mapnik_test_data_test.py:58: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if plugin is 'ogr':
python_tests.agg_rasterizer_integer_overflow_test.test_that_coordinates_do_not_overflow_and_polygon_is_rendered_memory ... /var/tmp/rpm-tmp.5CPJ7v: line 37:   551 Segmentation fault      (core dumped) PGHOST="$PWD" LANG="C.UTF-8" BOOST_PYTHON_LIB=boost_python38 /usr/bin/python3 setup.py test
+ __trap_cb
+ IFS=' '
+ for __func in $__TRAP_ACTIONS
+ pgtests_stop
+ pg_ctl stop -D /builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/datadir -w
waiting for server to shut down.... done
server stopped
+ __clean_trap_action pgtests_stop
+ __new_actions=
+ for __action in $__TRAP_ACTIONS
+ test pgtests_stop = pgtests_stop
+ :
+ for __action in $__TRAP_ACTIONS
+ test pgtests_cleanup = pgtests_stop
+ __new_actions='pgtests_cleanup '
+ __TRAP_ACTIONS='pgtests_cleanup '
+ for __func in $__TRAP_ACTIONS
+ pgtests_cleanup
+ :
+ rm -r /builddir/build/BUILD/python-mapnik-fe47aa15eecbc6e4ce740feed982c7661041b324/datadir
+ __clean_trap_action pgtests_cleanup
+ __new_actions=
+ for __action in $__TRAP_ACTIONS
+ test pgtests_cleanup = pgtests_cleanup
+ :
+ __TRAP_ACTIONS=

Full log attached.