Enable building of the Python interface with Python 3.

.gitignore

@@ -64,7 +64,7 @@ Makefile
 /interfaces/python/*.pyc
 /interfaces/python/*.pyo
 /interfaces/python/*.stamp
-/interfaces/python/__pychache__
+/interfaces/python/__pycache__
 /tests/*.parallel.c
 /tests/calendar_test1
 /tests/cksum_read

interfaces/python/lt_distutils.py

@@ -23,16 +23,16 @@ class lt_install_lib(install_lib):
         verbose=1
         update=0
         if not self.dry_run and not os.path.isdir(infile):
-            raise DistutilsFileError, \
-                "cannot copy tree '%s': not a directory" % infile
+            raise DistutilsFileError(
+                "cannot copy tree '%s': not a directory" % infile)
         try:
             names = os.listdir(infile)
-        except os.error, (errno, errstr):
+        except os.error as e:
             if self.dry_run:
                 names = []
             else:
-                raise DistutilsFileError, \
-                    "error listing files in '%s': %s" % (infile, errstr)
+                raise DistutilsFileError(
+                    "error listing files in '%s': %s" % (infile, e.strerror))
 
         if not self.dry_run:
             mkpath(outfile, verbose=verbose)

interfaces/python/setupLib.py

@@ -7,10 +7,10 @@ import sys, os, distutils
 CdiLib_module = Extension('_CdiLib',
                   sources=['cdilib_wrap.c'],
                   extra_compile_args = INCFLAGS,
-                  library_dirs = map(lambda x: x.lstrip('-L'),
-                                     filter(lambda x: x if x.startswith('-L')
-                                            else None,
-                                            os.environ['LDFLAGS'].split())),
+                  library_dirs = list(map(
+                      lambda x: x.lstrip('-L'),
+                      filter(lambda x: x if x.startswith('-L') else None,
+                             os.environ['LDFLAGS'].split()))),
                   libraries = ['cdi'],
                   extra_link_args = LIBS,
                   )

interfaces/python/setupObj.py

@@ -12,10 +12,10 @@ from setup import *
 cdiobj_module = Extension('_CdiObj',
                   sources=['cdiobj_wrap.cpp'],
                   extra_compile_args = INCFLAGS,
-                  library_dirs = map(lambda x: x.lstrip('-L'),
-                                     filter(lambda x: x if x.startswith('-L')
-                                            else None,
-                                            os.environ['LDFLAGS'].split())),
+                  library_dirs = list(map(
+                      lambda x: x.lstrip('-L'),
+                      filter(lambda x: x if x.startswith('-L') else None,
+                             os.environ['LDFLAGS'].split()))),
                   extra_objects = ['../cdi.lo'],
                   runtime_library_dirs = [os.environ['BUILDLIBDIR'],os.environ['LIBDIR']],
                   extra_link_args = LIBS,