Fix for running 'python -m' when using swig -builtin

Same as e05b5ea for -builtin.

Also added runtime tests to check 'python -m'.

Examples/python/import_packages/namespace_pkg/nonpkg.py

@@ -1,6 +1,17 @@
+import os
+import subprocess
+import sys
+
+print(" Starting subtest " + os.path.basename(__file__))
+
 # import robin as a module in the global namespace
 
 import robin
+print("  Finished importing robin")
 
 if not(robin.run() == "AWAY!"):
     raise RuntimeError("test failed")
+
+commandline = sys.executable + " -m robin"
+subprocess.check_call(commandline, shell=True)
+print("  Finished running: " + commandline)

Examples/python/import_packages/namespace_pkg/normal.py

@@ -1,8 +1,18 @@
+import os
+import subprocess
 import sys
+
+print(" Starting subtest " + os.path.basename(__file__))
+
 # Package brave found under one path
 sys.path.insert(0, 'path1')
 
 from brave import robin
+print("  Finished from brave import robin")
 
 if not(robin.run() == "AWAY!"):
     raise RuntimeError("test failed")
+
+commandline = sys.executable + " -m brave.robin"
+subprocess.check_call(commandline, shell=True, env = {"PYTHONPATH": "path1"})
+print("  Finished running: " + commandline)

Examples/python/import_packages/namespace_pkg/runme.py

@@ -1,7 +1,8 @@
 # These examples rely on namespace packages.  Don't
 # run them for old python interpreters.
-import sys
 import os.path
+import subprocess
+import sys
 
 testname = os.path.basename(os.path.dirname(os.path.abspath(__file__)))
 print "Testing " + testname + " - namespace packages"

Examples/python/import_packages/namespace_pkg/split.py

@@ -1,10 +1,20 @@
+import os
+import subprocess
 import sys
+
+print(" Starting subtest " + os.path.basename(__file__))
+
 # Package brave split into two paths.
 # path2/brave/robin.py and path3/brave/_robin.so
 sys.path.insert(0, 'path2')
 sys.path.insert(0, 'path3')
 
 from brave import robin
+print("  Finished from brave import robin")
 
 if not(robin.run() == "AWAY!"):
     raise RuntimeError("test failed")
+
+commandline = sys.executable + " -m brave.robin"
+subprocess.check_call(commandline, shell=True, env = {"PYTHONPATH": "path2:path3"})
+print("  Finished running: " + commandline)

Examples/python/import_packages/namespace_pkg/zipsplit.py

@@ -1,10 +1,20 @@
+import os
+import subprocess
 import sys
+
+print(" Starting subtest " + os.path.basename(__file__))
+
 # Package brave split into two paths.
 # brave/robin.py (in path4.zip) and path3/brave/_robin.so
 sys.path.insert(0, 'path4.zip')
 sys.path.insert(0, 'path3')
 
 from brave import robin
+print("  Finished from brave import robin")
 
 if not(robin.run() == "AWAY!"):
     raise RuntimeError("test failed")
+
+commandline = sys.executable + " -m brave.robin"
+subprocess.check_call(commandline, shell=True, env = {"PYTHONPATH": "path3:path4.zip"})
+print("  Finished running: " + commandline)