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Import types from other Python mechanisms using the Python import mechanism, to ensur...
[kai/samba-autobuild/.git] / pidl / lib / Parse / Pidl / Samba4 / Python.pm
diff --git a/pidl/lib/Parse/Pidl/Samba4/Python.pm b/pidl/lib/Parse/Pidl/Samba4/Python.pm
index 73ae8350b1daae85371449f4715d843dbb775118..c2ee63dbde2118001d213e1a49cad90dbfaf0e8c 100644 (file)
--- a/pidl/lib/Parse/Pidl/Samba4/Python.pm
+++ b/pidl/lib/Parse/Pidl/Samba4/Python.pm
@@ -24,6 +24,7 @@ sub new($) {
        my ($class) = @_;
        my $self = { res => "", res_hdr => "", tabs => "", constants => {},
                     module_methods => [], module_objects => [], ready_types => [],
+                                module_imports => [], type_imports => {},
                                 patch_type_calls => [], readycode => [] };
        bless($self, $class);
 }
@@ -65,7 +66,8 @@ sub Import
        foreach (@imports) {
                $_ = unmake_str($_);
                s/\.idl$//;
-               $self->pidl_hdr("#include \"librpc/gen_ndr/py_$_\.h\"\n");
+               $self->pidl_hdr("#include \"librpc/gen_ndr/$_\.h\"\n");
+               $self->register_module_import($_);
        }
 }
 
@@ -287,14 +289,11 @@ sub PythonStruct($$$$$$)
                $self->pidl("");
        }
 
-       $self->pidl_hdr("PyAPI_DATA(PyTypeObject) $name\_Type;\n");
-       $self->pidl_hdr("#define $name\_Check(op) PyObject_TypeCheck(op, &$name\_Type)\n");
-       $self->pidl_hdr("#define $name\_CheckExact(op) ((op)->ob_type == &$name\_Type)\n");
-       $self->pidl_hdr("\n");
+       $self->pidl_hdr("staticforward PyTypeObject $name\_Type;\n");
        $self->pidl("");
        my $docstring = $self->DocString($d, $name);
        my $typeobject = "$name\_Type";
-       $self->pidl("PyTypeObject $typeobject = {");
+       $self->pidl("static PyTypeObject $typeobject = {");
        $self->indent;
        $self->pidl("PyObject_HEAD_INIT(NULL) 0,");
        $self->pidl(".tp_name = \"$modulename.$prettyname\",");
@@ -479,7 +478,7 @@ sub PythonFunctionPackIn($$$)
                next unless (grep(/in/,@{$e->{DIRECTION}}));
                if ($metadata_args->{in}->{$e->{NAME}}) {
                        my $py_var = "py_".$metadata_args->{in}->{$e->{NAME}};
-                       $self->pidl("PY_CHECK_TYPE(PyList, $py_var, $fail);");
+                       $self->pidl("PY_CHECK_TYPE(&PyList_Type, $py_var, $fail);");
                        my $val = "PyList_Size($py_var)";
                        if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") {
                                $self->pidl("r->in.$e->{NAME} = talloc_ptrtype(r, r->in.$e->{NAME});");
@@ -623,13 +622,8 @@ sub Interface($$$)
 {
        my($self,$interface,$basename) = @_;
 
-       $self->pidl_hdr("#ifndef _HEADER_PYTHON_$interface->{NAME}\n");
-       $self->pidl_hdr("#define _HEADER_PYTHON_$interface->{NAME}\n\n");
-
-       $self->pidl_hdr("\n");
-
        if (has_property($interface, "pyhelper")) {
-               $self->pidl("#include \"".unmake_str($interface->{PROPERTIES}->{pyhelper})."\"\n");
+               $self->pidl_hdr("#include \"".unmake_str($interface->{PROPERTIES}->{pyhelper})."\"\n");
        }
 
        $self->Const($_) foreach (@{$interface->{CONSTS}});
@@ -641,7 +635,7 @@ sub Interface($$$)
        }
 
        if (defined $interface->{PROPERTIES}->{uuid}) {
-               $self->pidl_hdr("PyAPI_DATA(PyTypeObject) $interface->{NAME}_InterfaceType;\n");
+               $self->pidl_hdr("staticforward PyTypeObject $interface->{NAME}_InterfaceType;\n");
                $self->pidl("");
 
                my @fns = ();
@@ -661,7 +655,6 @@ sub Interface($$$)
                }
 
                $self->pidl("const struct PyNdrRpcMethodDef py_ndr_$interface->{NAME}\_methods[] = {");
-               $self->pidl_hdr("extern const struct PyNdrRpcMethodDef py_ndr_$interface->{NAME}\_methods[];");
                $self->indent;
                foreach my $d (@fns) {
                        my ($infn, $outfn, $callfn, $prettyname, $docstring, $opnum) = @$d;
@@ -775,7 +768,7 @@ sub Interface($$$)
                        $docstring = $signature;
                }
 
-               $self->pidl("PyTypeObject $interface->{NAME}_InterfaceType = {");
+               $self->pidl("static PyTypeObject $interface->{NAME}_InterfaceType = {");
                $self->indent;
                $self->pidl("PyObject_HEAD_INIT(NULL) 0,");
                $self->pidl(".tp_name = \"$basename.$interface->{NAME}\",");
@@ -794,7 +787,6 @@ sub Interface($$$)
        }
 
        $self->pidl_hdr("\n");
-       $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */\n");
 }
 
 sub register_module_method($$$$$)
@@ -821,6 +813,30 @@ sub check_ready_type($$)
        push (@{$self->{ready_types}}, $py_name) unless (grep(/^$py_name$/,@{$self->{ready_types}}));
 }
 
+sub register_module_import($$)
+{
+       my ($self, $basename) = @_;
+
+       push (@{$self->{module_imports}}, $basename);
+}
+
+sub use_type_variable($$)
+{
+       my ($self, $orig_ctype) = @_;
+       my $ctype = resolveType($orig_ctype);
+       unless (defined($ctype->{BASEFILE})) {
+               fatal($orig_ctype, "Unable to determine origin of type " . mapTypeName($orig_ctype));
+       }
+       # If this is an external type, make sure we do the right imports.
+       if (($ctype->{BASEFILE} ne $self->{BASENAME})) {
+               unless (defined($self->{type_imports}->{$ctype->{NAME}})) {
+                       $self->{type_imports}->{$ctype->{NAME}} = $ctype->{BASEFILE};
+               }
+               return "$ctype->{NAME}_Type"
+       }
+       return "&$ctype->{NAME}_Type";
+}
+
 sub register_patch_type_call($$$)
 {
        my ($self, $typename, $cvar) = @_;
@@ -862,20 +878,21 @@ sub ConvertObjectFromPythonData($$$$$$)
        $ctype = resolveType($ctype);
 
        my $actual_ctype = $ctype;
-       if ($ctype->{TYPE} eq "TYPEDEF") {
-               $actual_ctype = $ctype->{DATA};
+       if ($actual_ctype->{TYPE} eq "TYPEDEF") {
+               $actual_ctype = $actual_ctype->{DATA};
        }
 
        if ($actual_ctype->{TYPE} eq "ENUM" or $actual_ctype->{TYPE} eq "BITMAP" or 
                $actual_ctype->{TYPE} eq "SCALAR" and (
                expandAlias($actual_ctype->{NAME}) =~ /^(u?int[0-9]*|hyper|NTTIME|time_t|NTTIME_hyper|NTTIME_1sec|dlong|udlong|udlongr)$/)) {
-               $self->pidl("PY_CHECK_TYPE(PyInt, $cvar, $fail);");
+               $self->pidl("PY_CHECK_TYPE(&PyInt_Type, $cvar, $fail);");
                $self->pidl("$target = PyInt_AsLong($cvar);");
                return;
        }
 
        if ($actual_ctype->{TYPE} eq "STRUCT" or $actual_ctype->{TYPE} eq "INTERFACE") {
-               $self->pidl("PY_CHECK_TYPE($ctype->{NAME}, $cvar, $fail);");
+               my $ctype_name = $self->use_type_variable($ctype);
+               $self->pidl("PY_CHECK_TYPE($ctype_name, $cvar, $fail);");
                $self->assign($target, "py_talloc_get_ptr($cvar)");
                return;
        }
@@ -952,12 +969,12 @@ sub ConvertObjectFromPythonLevel($$$$$$$$)
                }
 
                if (is_charset_array($e, $l)) {
-                       $self->pidl("PY_CHECK_TYPE(PyUnicode, $py_var, $fail);");
+                       $self->pidl("PY_CHECK_TYPE(&PyUnicode_Type, $py_var, $fail);");
                        # FIXME: Use Unix charset setting rather than utf-8
                        $self->pidl($var_name . " = PyString_AsString(PyUnicode_AsEncodedString($py_var, \"utf-8\", \"ignore\"));");
                } else {
                        my $counter = "$e->{NAME}_cntr_$l->{LEVEL_INDEX}";
-                       $self->pidl("PY_CHECK_TYPE(PyList, $py_var, $fail);");
+                       $self->pidl("PY_CHECK_TYPE(&PyList_Type, $py_var, $fail);");
                        $self->pidl("{");
                        $self->indent;
                        $self->pidl("int $counter;");
@@ -1043,8 +1060,8 @@ sub ConvertObjectToPythonData($$$$$)
        $ctype = resolveType($ctype);
 
        my $actual_ctype = $ctype;
-       if ($ctype->{TYPE} eq "TYPEDEF") {
-               $actual_ctype = $ctype->{DATA};
+       while ($actual_ctype->{TYPE} eq "TYPEDEF") {
+               $actual_ctype = $actual_ctype->{DATA};
        } 
        
        if ($actual_ctype->{TYPE} eq "ENUM") {
@@ -1056,7 +1073,8 @@ sub ConvertObjectToPythonData($$$$$)
        } elsif ($actual_ctype->{TYPE} eq "UNION") {
                fatal($ctype, "union without discriminant: " . mapTypeName($ctype) . ": $cvar");
        } elsif ($actual_ctype->{TYPE} eq "STRUCT" or $actual_ctype->{TYPE} eq "INTERFACE") {
-               return "py_talloc_import_ex(&$ctype->{NAME}_Type, $mem_ctx, $cvar)";
+               my $ctype_name = $self->use_type_variable($ctype);
+               return "py_talloc_import_ex($ctype_name, $mem_ctx, $cvar)";
        }
 
        fatal($ctype, "unknown type $actual_ctype->{TYPE} for ".mapTypeName($ctype) . ": $cvar");
@@ -1158,13 +1176,10 @@ sub ConvertObjectToPython($$$$$$)
 sub Parse($$$$$)
 {
     my($self,$basename,$ndr,$ndr_hdr,$hdr) = @_;
-    
-    my $py_hdr = $hdr;
-    $py_hdr =~ s/ndr_([^\/]+)$/py_$1/g;
 
-    $self->pidl_hdr("/* header auto-generated by pidl */\n\n");
-       
-    $self->pidl("
+       $self->{BASENAME} = $basename;
+
+    $self->pidl_hdr("
 /* Python wrapper functions auto-generated by pidl */
 #include \"includes.h\"
 #include <Python.h>
@@ -1174,7 +1189,6 @@ sub Parse($$$$$)
 #include \"lib/events/events.h\"
 #include \"$hdr\"
 #include \"$ndr_hdr\"
-#include \"$py_hdr\"
 
 ");
 
@@ -1200,8 +1214,27 @@ sub Parse($$$$$)
        $self->pidl("{");
        $self->indent;
        $self->pidl("PyObject *m;");
+       foreach (@{$self->{module_imports}}) {
+               $self->pidl("PyObject *dep_$_;");
+       }
        $self->pidl("");
 
+       foreach (@{$self->{module_imports}}) {
+               $self->pidl("dep_$_ = PyImport_ImportModule(\"samba.dcerpc.$_\");");
+               $self->pidl("if (dep_$_ == NULL)");
+               $self->pidl("\treturn;");
+               $self->pidl("");
+       }
+
+       foreach (keys %{$self->{type_imports}}) {
+               my $basefile = $self->{type_imports}->{$_};
+               $self->pidl_hdr("static PyTypeObject *$_\_Type;\n");
+               $self->pidl("$_\_Type = (PyTypeObject *)PyObject_GetAttrString(dep_$basefile, \"$_\");");
+               $self->pidl("if ($_\_Type == NULL)");
+               $self->pidl("\treturn;");
+               $self->pidl("");
+       }
+
        foreach (@{$self->{ready_types}}) {
                $self->pidl("if (PyType_Ready($_) < 0)");
                $self->pidl("\treturn;");
@@ -1249,7 +1282,7 @@ sub Parse($$$$$)
        $self->pidl("");
        $self->deindent;
        $self->pidl("}");
-    return ($self->{res_hdr}, $self->{res});
+    return ($self->{res_hdr} . $self->{res});
 }
 
 1;
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