pyuno: set up fake command line in getComponentContext()

Easy to trigger the assert in osl_getCommandArgCount(), just
run instdir/*/program/python and "import unohelper".

Avoid that by setting up a fake command line, hopefully
nobody expects to be able to give relevant args to python...

Change-Id: I0df6c23d6ecbb3c2bce81a9d5bcecdcb1729ddbb

pyuno/source/module/pyuno_module.cxx

@@ -27,6 +27,7 @@
 
 #include <osl/module.hxx>
 #include <osl/thread.h>
+#include <osl/process.h>
 #include <osl/file.hxx>
 
 #include <typelib/typedescription.hxx>
@@ -260,6 +261,13 @@ static PyObject* getComponentContext(
         }
         else
         {
+            // cppu::defaultBootstrap_InitialComponentContext expects
+            // command line arguments to be present
+            static char * argv [1];
+            argv[0] = strdup(
+                "this is just a fake and cheap imitation of a command line");
+            osl_setCommandArgs(1, argv);
+
             OUString iniFile;
             if( path.isEmpty() )
             {

sal/osl/unx/process_impl.cxx

@@ -176,7 +176,7 @@ sal_uInt32 SAL_CALL osl_getCommandArgCount (void)
     sal_uInt32 result = 0;
 
     pthread_mutex_lock (&(g_command_args.m_mutex));
-    SAL_WARN_IF (g_command_args.m_nCount == 0, "sal.osl", "osl_setCommandArgs() not called before calling osl_getCommandArgCount()");
+    assert (g_command_args.m_nCount != 0);
     if (g_command_args.m_nCount > 0)
         result = g_command_args.m_nCount - 1;
     pthread_mutex_unlock (&(g_command_args.m_mutex));