pidl/lib/Parse/Pidl/Samba4/Python.pm

   1 ###################################################
   2 # Python function wrapper generator
   3 # Copyright jelmer@samba.org 2007-2008
   4 # released under the GNU GPL
   5
   6 package Parse::Pidl::Samba4::Python;
   7
   8 use Exporter;
   9 @ISA = qw(Exporter);
  10
  11 use strict;
  12 use Parse::Pidl qw(warning fatal error);
  13 use Parse::Pidl::Typelist qw(hasType resolveType getType mapTypeName expandAlias bitmap_type_fn enum_type_fn);
  14 use Parse::Pidl::Util qw(has_property ParseExpr unmake_str);
  15 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred ContainsPipe is_charset_array);
  16 use Parse::Pidl::CUtil qw(get_value_of get_pointer_to);
  17 use Parse::Pidl::Samba4 qw(ArrayDynamicallyAllocated);
  18 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
  19
  20 use vars qw($VERSION);
  21 $VERSION = '0.01';
  22
  23 sub new($) {
  24         my ($class) = @_;
  25         my $self = { res => "", res_hdr => "", tabs => "",
  26                                  constants => [], constants_uniq => {},
  27                      module_methods => [], module_objects => [], ready_types => [],
  28                                  module_imports => [], module_imports_uniq => {},
  29                                  type_imports => [], type_imports_uniq => {},
  30                                  patch_type_calls => [], prereadycode => [],
  31                                  postreadycode => []};
  32         bless($self, $class);
  33 }
  34
  35 sub pidl_hdr ($$)
  36 {
  37         my $self = shift;
  38         $self->{res_hdr} .= shift;
  39 }
  40
  41 sub pidl($$)
  42 {
  43         my ($self, $d) = @_;
  44         if ($d) {
  45                 if ((!($d =~ /^#/))) {
  46                         $self->{res} .= $self->{tabs};
  47                 }
  48                 $self->{res} .= $d;
  49         }
  50         $self->{res} .= "\n";
  51 }
  52
  53 sub indent($)
  54 {
  55         my ($self) = @_;
  56         $self->{tabs} .= "\t";
  57 }
  58
  59 sub deindent($)
  60 {
  61         my ($self) = @_;
  62         $self->{tabs} = substr($self->{tabs}, 0, -1);
  63 }
  64
  65 sub PrettifyTypeName($$)
  66 {
  67         my ($name, $basename) = @_;
  68
  69         $basename =~ s/^.*\.([^.]+)$/\1/;
  70
  71         $name =~ s/^$basename\_//;
  72
  73
  74         return $name;
  75 }
  76
  77 sub Import
  78 {
  79         my $self = shift;
  80         my @imports = @_;
  81         foreach (@imports) {
  82                 $_ = unmake_str($_);
  83                 s/\.idl$//;
  84                 $self->pidl_hdr("#include \"librpc/gen_ndr/$_\.h\"\n");
  85                 $self->register_module_import("samba.dcerpc.$_");
  86         }
  87 }
  88
  89 sub Const($$)
  90 {
  91     my ($self, $const) = @_;
  92         $self->register_constant($const->{NAME}, $const->{DTYPE}, $const->{VALUE});
  93 }
  94
  95 sub register_constant($$$$)
  96 {
  97         my ($self, $name, $type, $value) = @_;
  98
  99         unless (defined $self->{constants_uniq}->{$name}) {
 100                 my $h = {"key" => $name, "val" => [$type, $value]};
 101                 push @{$self->{constants}}, $h;
 102                 $self->{constants_uniq}->{$name} = $h;
 103         }
 104 }
 105
 106 sub EnumAndBitmapConsts($$$)
 107 {
 108         my ($self, $name, $d) = @_;
 109
 110         return unless (defined($d->{ELEMENTS}));
 111
 112         foreach my $e (@{$d->{ELEMENTS}}) {
 113                 $e =~ /^([A-Za-z0-9_]+)/;
 114                 my $cname = $1;
 115
 116                 $self->register_constant($cname, $d, $cname);
 117         }
 118 }
 119
 120 sub FromUnionToPythonFunction($$$$)
 121 {
 122         my ($self, $mem_ctx, $type, $switch, $name) = @_;
 123
 124         $self->pidl("PyObject *ret;");
 125         $self->pidl("");
 126
 127         $self->pidl("switch ($switch) {");
 128         $self->indent;
 129
 130         foreach my $e (@{$type->{ELEMENTS}}) {
 131                 $self->pidl("$e->{CASE}:");
 132
 133                 $self->indent;
 134
 135                 if ($e->{NAME}) {
 136                         $self->ConvertObjectToPython($mem_ctx, {}, $e, "$name->$e->{NAME}", "ret", "return NULL;");
 137                 } else {
 138                         $self->pidl("ret = Py_None;");
 139                         $self->pidl("Py_INCREF(ret);");
 140                 }
 141
 142                 $self->pidl("return ret;");
 143                 $self->pidl("");
 144
 145                 $self->deindent;
 146         }
 147
 148         $self->deindent;
 149         $self->pidl("}");
 150
 151         $self->pidl("PyErr_SetString(PyExc_TypeError, \"unknown union level\");");
 152         $self->pidl("return NULL;");
 153 }
 154
 155 sub FromPythonToUnionFunction($$$$$)
 156 {
 157         my ($self, $type, $typename, $switch, $mem_ctx, $name) = @_;
 158
 159         my $has_default = 0;
 160
 161         $self->pidl("$typename *ret = talloc_zero($mem_ctx, $typename);");
 162
 163         $self->pidl("switch ($switch) {");
 164         $self->indent;
 165
 166         foreach my $e (@{$type->{ELEMENTS}}) {
 167                 $self->pidl("$e->{CASE}:");
 168                 if ($e->{CASE} eq "default") { $has_default = 1; }
 169                 $self->indent;
 170                 if ($e->{NAME}) {
 171                         $self->ConvertObjectFromPython({}, $mem_ctx, $e, $name, "ret->$e->{NAME}", "talloc_free(ret); return NULL;");
 172                 }
 173                 $self->pidl("break;");
 174                 $self->deindent;
 175                 $self->pidl("");
 176         }
 177
 178         if (!$has_default) {
 179                 $self->pidl("default:");
 180                 $self->indent;
 181                 $self->pidl("PyErr_SetString(PyExc_TypeError, \"invalid union level value\");");
 182                 $self->pidl("talloc_free(ret);");
 183                 $self->pidl("ret = NULL;");
 184                 $self->deindent;
 185         }
 186
 187         $self->deindent;
 188         $self->pidl("}");
 189         $self->pidl("");
 190         $self->pidl("return ret;");
 191 }
 192
 193 sub PythonStruct($$$$$$)
 194 {
 195         my ($self, $modulename, $prettyname, $name, $cname, $d) = @_;
 196
 197         my $env = GenerateStructEnv($d, "object");
 198
 199         $self->pidl("");
 200
 201         my $getsetters = "NULL";
 202
 203         if ($#{$d->{ELEMENTS}} > -1) {
 204                 foreach my $e (@{$d->{ELEMENTS}}) {
 205                         my $varname = "object->$e->{NAME}";
 206                         $self->pidl("static PyObject *py_$name\_get_$e->{NAME}(PyObject *obj, void *closure)");
 207                         $self->pidl("{");
 208                         $self->indent;
 209                         $self->pidl("$cname *object = ($cname *)pytalloc_get_ptr(obj);");
 210                         $self->pidl("PyObject *py_$e->{NAME};");
 211                         $self->ConvertObjectToPython("pytalloc_get_mem_ctx(obj)", $env, $e, $varname, "py_$e->{NAME}", "return NULL;");
 212                         $self->pidl("return py_$e->{NAME};");
 213                         $self->deindent;
 214                         $self->pidl("}");
 215                         $self->pidl("");
 216
 217                         $self->pidl("static int py_$name\_set_$e->{NAME}(PyObject *py_obj, PyObject *value, void *closure)");
 218                         $self->pidl("{");
 219                         $self->indent;
 220                         $self->pidl("$cname *object = ($cname *)pytalloc_get_ptr(py_obj);");
 221                         my $mem_ctx = "pytalloc_get_mem_ctx(py_obj)";
 222                         my $l = $e->{LEVELS}[0];
 223                         my $nl = GetNextLevel($e, $l);
 224                         if ($l->{TYPE} eq "POINTER" and
 225                                 not ($nl->{TYPE} eq "ARRAY" and ($nl->{IS_FIXED} or is_charset_array($e, $nl))) and
 226                                 not ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE}))) {
 227                                 $self->pidl("talloc_unlink($mem_ctx, discard_const($varname));");
 228                         }
 229                         $self->ConvertObjectFromPython($env, $mem_ctx, $e, "value", $varname, "return -1;");
 230                         $self->pidl("return 0;");
 231                         $self->deindent;
 232                         $self->pidl("}");
 233                         $self->pidl("");
 234                 }
 235
 236                 $getsetters = "py_$name\_getsetters";
 237                 $self->pidl("static PyGetSetDef ".$getsetters."[] = {");
 238                 $self->indent;
 239                 foreach my $e (@{$d->{ELEMENTS}}) {
 240                         $self->pidl("{");
 241                         $self->indent;
 242                         $self->pidl(".name = discard_const_p(char, \"$e->{NAME}\"),");
 243                         $self->pidl(".get = py_$name\_get_$e->{NAME},");
 244                         $self->pidl(".set = py_$name\_set_$e->{NAME},");
 245                         $self->pidl(".doc = discard_const_p(char, \"PIDL-generated element $e->{NAME}\")");
 246                         $self->deindent;
 247                         $self->pidl("},");
 248                 }
 249                 $self->pidl("{ .name = NULL }");
 250                 $self->deindent;
 251                 $self->pidl("};");
 252                 $self->pidl("");
 253         }
 254
 255         $self->pidl("static PyObject *py_$name\_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)");
 256         $self->pidl("{");
 257         $self->indent;
 258         $self->pidl("return pytalloc_new($cname, type);");
 259         $self->deindent;
 260         $self->pidl("}");
 261         $self->pidl("");
 262
 263         my $py_methods = "NULL";
 264
 265         # If the struct is not public there ndr_pull/ndr_push functions will
 266         # be static so not callable from here
 267         if (has_property($d, "public")) {
 268                 $self->pidl("static PyObject *py_$name\_ndr_pack(PyObject *py_obj)");
 269                 $self->pidl("{");
 270                 $self->indent;
 271                 $self->pidl("$cname *object = ($cname *)pytalloc_get_ptr(py_obj);");
 272                 $self->pidl("DATA_BLOB blob;");
 273                 $self->pidl("enum ndr_err_code err;");
 274                 $self->pidl("err = ndr_push_struct_blob(&blob, pytalloc_get_mem_ctx(py_obj), object, (ndr_push_flags_fn_t)ndr_push_$name);");
 275                 $self->pidl("if (err != NDR_ERR_SUCCESS) {");
 276                 $self->indent;
 277                 $self->pidl("PyErr_SetNdrError(err);");
 278                 $self->pidl("return NULL;");
 279                 $self->deindent;
 280                 $self->pidl("}");
 281                 $self->pidl("");
 282                 $self->pidl("return PyString_FromStringAndSize((char *)blob.data, blob.length);");
 283                 $self->deindent;
 284                 $self->pidl("}");
 285                 $self->pidl("");
 286
 287                 $self->pidl("static PyObject *py_$name\_ndr_unpack(PyObject *py_obj, PyObject *args, PyObject *kwargs)");
 288                 $self->pidl("{");
 289                 $self->indent;
 290                 $self->pidl("$cname *object = ($cname *)pytalloc_get_ptr(py_obj);");
 291                 $self->pidl("DATA_BLOB blob;");
 292                 $self->pidl("Py_ssize_t blob_length = 0;");
 293                 $self->pidl("enum ndr_err_code err;");
 294                 $self->pidl("const char * const kwnames[] = { \"data_blob\", \"allow_remaining\", NULL };");
 295                 $self->pidl("PyObject *allow_remaining_obj = NULL;");
 296                 $self->pidl("bool allow_remaining = false;");
 297                 $self->pidl("");
 298                 $self->pidl("if (!PyArg_ParseTupleAndKeywords(args, kwargs, \"s#|O:__ndr_unpack__\",");
 299                 $self->indent;
 300                 $self->pidl("discard_const_p(char *, kwnames),");
 301                 $self->pidl("&blob.data, &blob_length,");
 302                 $self->pidl("&allow_remaining_obj)) {");
 303                 $self->deindent;
 304                 $self->indent;
 305                 $self->pidl("return NULL;");
 306                 $self->deindent;
 307                 $self->pidl("}");
 308                 $self->pidl("blob.length = blob_length;");
 309                 $self->pidl("");
 310                 $self->pidl("if (allow_remaining_obj && PyObject_IsTrue(allow_remaining_obj)) {");
 311                 $self->indent;
 312                 $self->pidl("allow_remaining = true;");
 313                 $self->deindent;
 314                 $self->pidl("}");
 315                 $self->pidl("");
 316                 $self->pidl("if (allow_remaining) {");
 317                 $self->indent;
 318                 $self->pidl("err = ndr_pull_struct_blob(&blob, pytalloc_get_mem_ctx(py_obj), object, (ndr_pull_flags_fn_t)ndr_pull_$name);");
 319                 $self->deindent;
 320                 $self->pidl("} else {");
 321                 $self->indent;
 322                 $self->pidl("err = ndr_pull_struct_blob_all(&blob, pytalloc_get_mem_ctx(py_obj), object, (ndr_pull_flags_fn_t)ndr_pull_$name);");
 323                 $self->deindent;
 324                 $self->pidl("}");
 325                 $self->pidl("if (err != NDR_ERR_SUCCESS) {");
 326                 $self->indent;
 327                 $self->pidl("PyErr_SetNdrError(err);");
 328                 $self->pidl("return NULL;");
 329                 $self->deindent;
 330                 $self->pidl("}");
 331                 $self->pidl("");
 332                 $self->pidl("Py_RETURN_NONE;");
 333                 $self->deindent;
 334                 $self->pidl("}");
 335                 $self->pidl("");
 336
 337                 $self->pidl("static PyObject *py_$name\_ndr_print(PyObject *py_obj)");
 338                 $self->pidl("{");
 339                 $self->indent;
 340                 $self->pidl("$cname *object = ($cname *)pytalloc_get_ptr(py_obj);");
 341                 $self->pidl("PyObject *ret;");
 342                 $self->pidl("char *retstr;");
 343                 $self->pidl("");
 344                 $self->pidl("retstr = ndr_print_struct_string(pytalloc_get_mem_ctx(py_obj), (ndr_print_fn_t)ndr_print_$name, \"$name\", object);");
 345                 $self->pidl("ret = PyString_FromString(retstr);");
 346                 $self->pidl("talloc_free(retstr);");
 347                 $self->pidl("");
 348                 $self->pidl("return ret;");
 349                 $self->deindent;
 350                 $self->pidl("}");
 351                 $self->pidl("");
 352
 353                 $py_methods = "py_$name\_methods";
 354                 $self->pidl("static PyMethodDef $py_methods\[] = {");
 355                 $self->indent;
 356                 $self->pidl("{ \"__ndr_pack__\", (PyCFunction)py_$name\_ndr_pack, METH_NOARGS, \"S.ndr_pack(object) -> blob\\nNDR pack\" },");
 357                 $self->pidl("{ \"__ndr_unpack__\", (PyCFunction)py_$name\_ndr_unpack, METH_VARARGS|METH_KEYWORDS, \"S.ndr_unpack(class, blob, allow_remaining=False) -> None\\nNDR unpack\" },");
 358                 $self->pidl("{ \"__ndr_print__\", (PyCFunction)py_$name\_ndr_print, METH_VARARGS, \"S.ndr_print(object) -> None\\nNDR print\" },");
 359                 $self->pidl("{ NULL, NULL, 0, NULL }");
 360                 $self->deindent;
 361                 $self->pidl("};");
 362                 $self->pidl("");
 363         }
 364
 365         $self->pidl_hdr("static PyTypeObject $name\_Type;\n");
 366         $self->pidl("");
 367         my $docstring = $self->DocString($d, $name);
 368         my $typeobject = "$name\_Type";
 369         $self->pidl("static PyTypeObject $typeobject = {");
 370         $self->indent;
 371         $self->pidl("PyObject_HEAD_INIT(NULL) 0,");
 372         $self->pidl(".tp_name = \"$modulename.$prettyname\",");
 373         $self->pidl(".tp_getset = $getsetters,");
 374         if ($docstring) {
 375                 $self->pidl(".tp_doc = $docstring,");
 376         }
 377         $self->pidl(".tp_methods = $py_methods,");
 378         $self->pidl(".tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,");
 379         $self->pidl(".tp_new = py_$name\_new,");
 380         $self->deindent;
 381         $self->pidl("};");
 382
 383         $self->pidl("");
 384
 385         my $talloc_typename = $self->import_type_variable("talloc", "BaseObject");
 386         $self->register_module_prereadycode(["$name\_Type.tp_base = $talloc_typename;",
 387                                              "$name\_Type.tp_basicsize = pytalloc_BaseObject_size();",
 388                                              ""]);
 389
 390         return "&$typeobject";
 391 }
 392
 393 sub get_metadata_var($)
 394 {
 395         my ($e) = @_;
 396         sub get_var($) { my $x = shift; $x =~ s/\*//g; return $x; }
 397
 398          if (has_property($e, "length_is")) {
 399                 return get_var($e->{PROPERTIES}->{length_is});
 400          } elsif (has_property($e, "size_is")) {
 401                 return get_var($e->{PROPERTIES}->{size_is});
 402          }
 403
 404          return undef;
 405 }
 406
 407 sub find_metadata_args($)
 408 {
 409         my ($fn) = @_;
 410         my $metadata_args = { in => {}, out => {} };
 411
 412         # Determine arguments that are metadata for other arguments (size_is/length_is)
 413         foreach my $e (@{$fn->{ELEMENTS}}) {
 414                 foreach my $dir (@{$e->{DIRECTION}}) {
 415                          my $main = get_metadata_var($e);
 416                          if ($main) {
 417                                  $metadata_args->{$dir}->{$main} = $e->{NAME};
 418                          }
 419                  }
 420         }
 421
 422         return $metadata_args;
 423 }
 424
 425 sub PythonFunctionUnpackOut($$$)
 426 {
 427         my ($self, $fn, $fnname) = @_;
 428
 429         my $outfnname = "unpack_$fnname\_args_out";
 430         my $signature = "";
 431
 432         my $metadata_args = find_metadata_args($fn);
 433
 434         my $env = GenerateFunctionOutEnv($fn, "r->");
 435         my $result_size = 0;
 436
 437         $self->pidl("static PyObject *$outfnname(struct $fn->{NAME} *r)");
 438         $self->pidl("{");
 439         $self->indent;
 440         $self->pidl("PyObject *result;");
 441         foreach my $e (@{$fn->{ELEMENTS}}) {
 442                 next unless (grep(/out/,@{$e->{DIRECTION}}));
 443                 next if (($metadata_args->{in}->{$e->{NAME}} and grep(/in/, @{$e->{DIRECTION}})) or
 444                          ($metadata_args->{out}->{$e->{NAME}}) and grep(/out/, @{$e->{DIRECTION}}));
 445                 $self->pidl("PyObject *py_$e->{NAME};");
 446                 $result_size++;
 447         }
 448
 449         if ($fn->{RETURN_TYPE}) {
 450                 $result_size++ unless ($fn->{RETURN_TYPE} eq "WERROR" or $fn->{RETURN_TYPE} eq "NTSTATUS");
 451         }
 452
 453         my $i = 0;
 454
 455         if ($result_size > 1) {
 456                 $self->pidl("result = PyTuple_New($result_size);");
 457                 $signature .= "(";
 458         } elsif ($result_size == 0) {
 459                 $self->pidl("result = Py_None;");
 460                 $self->pidl("Py_INCREF(result);");
 461                 $signature .= "None";
 462         }
 463
 464         foreach my $e (@{$fn->{ELEMENTS}}) {
 465                 next if ($metadata_args->{out}->{$e->{NAME}});
 466                 my $py_name = "py_$e->{NAME}";
 467                 if (grep(/out/,@{$e->{DIRECTION}})) {
 468                         $self->ConvertObjectToPython("r", $env, $e, "r->out.$e->{NAME}", $py_name, "return NULL;");
 469                         if ($result_size > 1) {
 470                                 $self->pidl("PyTuple_SetItem(result, $i, $py_name);");
 471                                 $i++;
 472                                 $signature .= "$e->{NAME}, ";
 473                         } else {
 474                                 $self->pidl("result = $py_name;");
 475                                 $signature .= $e->{NAME};
 476                         }
 477                 }
 478         }
 479
 480         if (defined($fn->{RETURN_TYPE}) and $fn->{RETURN_TYPE} eq "NTSTATUS") {
 481                 $self->handle_ntstatus("r->out.result", "NULL", undef);
 482         } elsif (defined($fn->{RETURN_TYPE}) and $fn->{RETURN_TYPE} eq "WERROR") {
 483                 $self->handle_werror("r->out.result", "NULL", undef);
 484         } elsif (defined($fn->{RETURN_TYPE})) {
 485                 my $conv = $self->ConvertObjectToPythonData("r", $fn->{RETURN_TYPE}, "r->out.result", $fn);
 486                 if ($result_size > 1) {
 487                         $self->pidl("PyTuple_SetItem(result, $i, $conv);");
 488                 } else {
 489                         $self->pidl("result = $conv;");
 490                 }
 491                 $signature .= "result";
 492         }
 493
 494         if (substr($signature, -2) eq ", ") {
 495                 $signature = substr($signature, 0, -2);
 496         }
 497         if ($result_size > 1) {
 498                 $signature .= ")";
 499         }
 500
 501         $self->pidl("return result;");
 502         $self->deindent;
 503         $self->pidl("}");
 504         $self->pidl("");
 505
 506         return ($outfnname, $signature);
 507 }
 508
 509 sub PythonFunctionPackIn($$$)
 510 {
 511         my ($self, $fn, $fnname) = @_;
 512         my $metadata_args = find_metadata_args($fn);
 513
 514         my $infnname = "pack_$fnname\_args_in";
 515
 516         $self->pidl("static bool $infnname(PyObject *args, PyObject *kwargs, struct $fn->{NAME} *r)");
 517         $self->pidl("{");
 518         $self->indent;
 519         my $args_format = "";
 520         my $args_string = "";
 521         my $args_names = "";
 522         my $signature = "";
 523
 524         foreach my $e (@{$fn->{ELEMENTS}}) {
 525                 next unless (grep(/in/,@{$e->{DIRECTION}}));
 526                 next if (($metadata_args->{in}->{$e->{NAME}} and grep(/in/, @{$e->{DIRECTION}})) or
 527                                  ($metadata_args->{out}->{$e->{NAME}}) and grep(/out/, @{$e->{DIRECTION}}));
 528                 $self->pidl("PyObject *py_$e->{NAME};");
 529                 $args_format .= "O";
 530                 $args_string .= ", &py_$e->{NAME}";
 531                 $args_names .= "\"$e->{NAME}\", ";
 532                 $signature .= "$e->{NAME}, ";
 533         }
 534         if (substr($signature, -2) eq ", ") {
 535                 $signature = substr($signature, 0, -2);
 536         }
 537         $self->pidl("const char *kwnames[] = {");
 538         $self->indent;
 539         $self->pidl($args_names . "NULL");
 540         $self->deindent;
 541         $self->pidl("};");
 542
 543         $self->pidl("");
 544         $self->pidl("if (!PyArg_ParseTupleAndKeywords(args, kwargs, \"$args_format:$fn->{NAME}\", discard_const_p(char *, kwnames)$args_string)) {");
 545         $self->indent;
 546         $self->pidl("return false;");
 547         $self->deindent;
 548         $self->pidl("}");
 549         $self->pidl("");
 550
 551         my $env = GenerateFunctionInEnv($fn, "r->");
 552
 553         my $fail = "return false;";
 554         foreach my $e (@{$fn->{ELEMENTS}}) {
 555                 next unless (grep(/in/,@{$e->{DIRECTION}}));
 556                 if ($metadata_args->{in}->{$e->{NAME}}) {
 557                         my $py_var = "py_".$metadata_args->{in}->{$e->{NAME}};
 558                         $self->pidl("PY_CHECK_TYPE(&PyList_Type, $py_var, $fail);");
 559                         my $val = "PyList_GET_SIZE($py_var)";
 560                         if ($e->{LEVELS}[0]->{TYPE} eq "POINTER") {
 561                                 $self->pidl("r->in.$e->{NAME} = talloc_ptrtype(r, r->in.$e->{NAME});");
 562                                 $self->pidl("*r->in.$e->{NAME} = $val;");
 563                         } else {
 564                                 $self->pidl("r->in.$e->{NAME} = $val;");
 565                         }
 566                 } else {
 567                         $self->ConvertObjectFromPython($env, "r", $e, "py_$e->{NAME}", "r->in.$e->{NAME}", $fail);
 568                 }
 569         }
 570         $self->pidl("return true;");
 571         $self->deindent;
 572         $self->pidl("}");
 573         $self->pidl("");
 574         return ($infnname, $signature);
 575 }
 576
 577 sub PythonFunction($$$)
 578 {
 579         my ($self, $fn, $iface, $prettyname) = @_;
 580
 581         my $fnname = "py_$fn->{NAME}";
 582         my $docstring = $self->DocString($fn, $fn->{NAME});
 583
 584         my ($infn, $insignature) = $self->PythonFunctionPackIn($fn, $fnname);
 585         my ($outfn, $outsignature) = $self->PythonFunctionUnpackOut($fn, $fnname);
 586         my $signature = "S.$prettyname($insignature) -> $outsignature";
 587         if ($docstring) {
 588                 $docstring = "\"$signature\\n\\n\"$docstring";
 589         } else {
 590                 $docstring = "\"$signature\"";
 591         }
 592
 593         return ($infn, $outfn, $docstring);
 594 }
 595
 596 sub handle_werror($$$$)
 597 {
 598         my ($self, $var, $retval, $mem_ctx) = @_;
 599
 600         $self->pidl("if (!W_ERROR_IS_OK($var)) {");
 601         $self->indent;
 602         $self->pidl("PyErr_SetWERROR($var);");
 603         $self->pidl("talloc_free($mem_ctx);") if ($mem_ctx);
 604         $self->pidl("return $retval;");
 605         $self->deindent;
 606         $self->pidl("}");
 607         $self->pidl("");
 608 }
 609
 610 sub handle_ntstatus($$$$)
 611 {
 612         my ($self, $var, $retval, $mem_ctx) = @_;
 613
 614         $self->pidl("if (NT_STATUS_IS_ERR($var)) {");
 615         $self->indent;
 616         $self->pidl("PyErr_SetNTSTATUS($var);");
 617         $self->pidl("talloc_free($mem_ctx);") if ($mem_ctx);
 618         $self->pidl("return $retval;");
 619         $self->deindent;
 620         $self->pidl("}");
 621         $self->pidl("");
 622 }
 623
 624 sub PythonType($$$$)
 625 {
 626         my ($self, $modulename, $d, $interface, $basename) = @_;
 627
 628         my $actual_ctype = $d;
 629         if ($actual_ctype->{TYPE} eq "TYPEDEF") {
 630                 $actual_ctype = $actual_ctype->{DATA};
 631         }
 632
 633         if ($actual_ctype->{TYPE} eq "STRUCT") {
 634                 my $typeobject;
 635                 my $fn_name = PrettifyTypeName($d->{NAME}, $basename);
 636
 637                 if ($d->{TYPE} eq "STRUCT") {
 638                         $typeobject = $self->PythonStruct($modulename, $fn_name, $d->{NAME}, mapTypeName($d), $d);
 639                 } else {
 640                         $typeobject = $self->PythonStruct($modulename, $fn_name, $d->{NAME}, mapTypeName($d), $d->{DATA});
 641                 }
 642
 643                 $self->register_module_typeobject($fn_name, $typeobject);
 644         }
 645
 646         if ($d->{TYPE} eq "ENUM" or $d->{TYPE} eq "BITMAP") {
 647                 $self->EnumAndBitmapConsts($d->{NAME}, $d);
 648         }
 649
 650         if ($d->{TYPE} eq "TYPEDEF" and ($d->{DATA}->{TYPE} eq "ENUM" or $d->{DATA}->{TYPE} eq "BITMAP")) {
 651                 $self->EnumAndBitmapConsts($d->{NAME}, $d->{DATA});
 652         }
 653
 654         if ($actual_ctype->{TYPE} eq "UNION" and defined($actual_ctype->{ELEMENTS})) {
 655                 $self->pidl("PyObject *py_import_$d->{NAME}(TALLOC_CTX *mem_ctx, int level, " .mapTypeName($d) . " *in)");
 656                 $self->pidl_hdr("PyObject *py_import_$d->{NAME}(TALLOC_CTX *mem_ctx, int level, " .mapTypeName($d) . " *in);\n");
 657                 $self->pidl("{");
 658                 $self->indent;
 659                 $self->FromUnionToPythonFunction("mem_ctx", $actual_ctype, "level", "in") if ($actual_ctype->{TYPE} eq "UNION");
 660                 $self->deindent;
 661                 $self->pidl("}");
 662                 $self->pidl("");
 663
 664                 $self->pidl(mapTypeName($d) . " *py_export_$d->{NAME}(TALLOC_CTX *mem_ctx, int level, PyObject *in)");
 665                 $self->pidl_hdr(mapTypeName($d) . " *py_export_$d->{NAME}(TALLOC_CTX *mem_ctx, int level, PyObject *in);\n");
 666                 $self->pidl("{");
 667                 $self->indent;
 668                 $self->FromPythonToUnionFunction($actual_ctype, mapTypeName($d), "level", "mem_ctx", "in") if ($actual_ctype->{TYPE} eq "UNION");
 669                 $self->deindent;
 670                 $self->pidl("}");
 671                 $self->pidl("");
 672         }
 673 }
 674
 675 sub DocString($$$)
 676 {
 677         my ($self, $d, $name) = @_;
 678         if (has_property($d, "helpstring")) {
 679                 my $docstring = uc("py_doc_$name");
 680                 $self->pidl("#define $docstring ".has_property($d, "helpstring"));
 681                 return $docstring;
 682         }
 683
 684         return undef;
 685 }
 686
 687 sub Interface($$$)
 688 {
 689         my($self,$interface,$basename) = @_;
 690
 691         if (has_property($interface, "pyhelper")) {
 692                 $self->pidl("#include \"".unmake_str($interface->{PROPERTIES}->{pyhelper})."\"\n");
 693         }
 694
 695         $self->Const($_) foreach (@{$interface->{CONSTS}});
 696
 697         foreach my $d (@{$interface->{TYPES}}) {
 698                 next if has_property($d, "nopython");
 699
 700                 $self->PythonType($basename, $d, $interface, $basename);
 701         }
 702
 703         if (defined $interface->{PROPERTIES}->{uuid}) {
 704                 $self->pidl_hdr("static PyTypeObject $interface->{NAME}_InterfaceType;\n");
 705                 $self->pidl("");
 706
 707                 my @fns = ();
 708
 709                 foreach my $d (@{$interface->{FUNCTIONS}}) {
 710                         next if has_property($d, "noopnum");
 711                         next if has_property($d, "nopython");
 712                         next if has_property($d, "todo");
 713
 714                         my $skip = 0;
 715                         foreach my $e (@{$d->{ELEMENTS}}) {
 716                                 if (ContainsPipe($e, $e->{LEVELS}[0])) {
 717                                         $skip = 1;
 718                                         last;
 719                                 }
 720                         }
 721                         next if $skip;
 722
 723                         my $prettyname = $d->{NAME};
 724
 725                         $prettyname =~ s/^$interface->{NAME}_//;
 726                         $prettyname =~ s/^$basename\_//;
 727
 728                         my ($infn, $outfn, $fndocstring) = $self->PythonFunction($d, $interface->{NAME}, $prettyname);
 729
 730                         push (@fns, [$infn, $outfn, "dcerpc_$d->{NAME}_r", $prettyname, $fndocstring, $d->{OPNUM}]);
 731                 }
 732
 733                 $self->pidl("const struct PyNdrRpcMethodDef py_ndr_$interface->{NAME}\_methods[] = {");
 734                 $self->indent;
 735                 foreach my $d (@fns) {
 736                         my ($infn, $outfn, $callfn, $prettyname, $docstring, $opnum) = @$d;
 737                         $self->pidl("{ \"$prettyname\", $docstring, (py_dcerpc_call_fn)$callfn, (py_data_pack_fn)$infn, (py_data_unpack_fn)$outfn, $opnum, &ndr_table_$interface->{NAME} },");
 738                 }
 739                 $self->pidl("{ NULL }");
 740                 $self->deindent;
 741                 $self->pidl("};");
 742                 $self->pidl("");
 743
 744                 $self->pidl("static PyObject *interface_$interface->{NAME}_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)");
 745                 $self->pidl("{");
 746                 $self->indent;
 747                 $self->pidl("return py_dcerpc_interface_init_helper(type, args, kwargs, &ndr_table_$interface->{NAME});");
 748                 $self->deindent;
 749                 $self->pidl("}");
 750
 751                 $self->pidl("");
 752
 753                 my $signature =
 754 "\"$interface->{NAME}(binding, lp_ctx=None, credentials=None) -> connection\\n\"
 755 \"\\n\"
 756 \"binding should be a DCE/RPC binding string (for example: ncacn_ip_tcp:127.0.0.1)\\n\"
 757 \"lp_ctx should be a path to a smb.conf file or a param.LoadParm object\\n\"
 758 \"credentials should be a credentials.Credentials object.\\n\\n\"";
 759
 760                 my $docstring = $self->DocString($interface, $interface->{NAME});
 761
 762                 if ($docstring) {
 763                         $docstring = "$signature$docstring";
 764                 } else {
 765                         $docstring = $signature;
 766                 }
 767
 768                 my $if_typename = "$interface->{NAME}_InterfaceType";
 769
 770                 $self->pidl("static PyTypeObject $if_typename = {");
 771                 $self->indent;
 772                 $self->pidl("PyObject_HEAD_INIT(NULL) 0,");
 773                 $self->pidl(".tp_name = \"$basename.$interface->{NAME}\",");
 774                 $self->pidl(".tp_basicsize = sizeof(dcerpc_InterfaceObject),");
 775                 $self->pidl(".tp_doc = $docstring,");
 776                 $self->pidl(".tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,");
 777                 $self->pidl(".tp_new = interface_$interface->{NAME}_new,");
 778                 $self->deindent;
 779                 $self->pidl("};");
 780
 781                 $self->pidl("");
 782
 783                 $self->register_module_typeobject($interface->{NAME}, "&$if_typename");
 784                 my $dcerpc_typename = $self->import_type_variable("samba.dcerpc.base", "ClientConnection");
 785                 $self->register_module_prereadycode(["$if_typename.tp_base = $dcerpc_typename;", ""]);
 786                 $self->register_module_postreadycode(["if (!PyInterface_AddNdrRpcMethods(&$if_typename, py_ndr_$interface->{NAME}\_methods))", "\treturn;", ""]);
 787
 788
 789                 $self->pidl("static PyObject *syntax_$interface->{NAME}_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)");
 790                 $self->pidl("{");
 791                 $self->indent;
 792                 $self->pidl("return py_dcerpc_syntax_init_helper(type, args, kwargs, &ndr_table_$interface->{NAME}.syntax_id);");
 793                 $self->deindent;
 794                 $self->pidl("}");
 795
 796                 $self->pidl("");
 797
 798                 my $signature = "\"abstract_syntax()\\n\"";
 799
 800                 my $docstring = $self->DocString($interface, $interface->{NAME}."_syntax");
 801
 802                 if ($docstring) {
 803                         $docstring = "$signature$docstring";
 804                 } else {
 805                         $docstring = $signature;
 806                 }
 807
 808                 my $syntax_typename = "$interface->{NAME}_SyntaxType";
 809
 810                 $self->pidl("static PyTypeObject $syntax_typename = {");
 811                 $self->indent;
 812                 $self->pidl("PyObject_HEAD_INIT(NULL) 0,");
 813                 $self->pidl(".tp_name = \"$basename.$interface->{NAME}\",");
 814                 $self->pidl(".tp_doc = $docstring,");
 815                 $self->pidl(".tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,");
 816                 $self->pidl(".tp_new = syntax_$interface->{NAME}_new,");
 817                 $self->deindent;
 818                 $self->pidl("};");
 819
 820                 $self->pidl("");
 821
 822                 $self->register_module_typeobject("abstract_syntax", "&$syntax_typename");
 823                 my $ndr_typename = $self->import_type_variable("samba.dcerpc.misc", "ndr_syntax_id");
 824                 $self->register_module_prereadycode(["$syntax_typename.tp_base = $ndr_typename;",
 825                                                      "$syntax_typename.tp_basicsize = pytalloc_BaseObject_size();",
 826                                                      ""]);
 827         }
 828
 829         $self->pidl_hdr("\n");
 830 }
 831
 832 sub register_module_method($$$$$)
 833 {
 834         my ($self, $fn_name, $pyfn_name, $flags, $doc) = @_;
 835
 836         push (@{$self->{module_methods}}, [$fn_name, $pyfn_name, $flags, $doc])
 837 }
 838
 839 sub register_module_typeobject($$$)
 840 {
 841         my ($self, $name, $py_name) = @_;
 842
 843         $self->register_module_object($name, "(PyObject *)(void *)$py_name");
 844
 845         $self->check_ready_type($py_name);
 846
 847         $self->register_patch_type_call($name, $py_name);
 848 }
 849
 850 sub check_ready_type($$)
 851 {
 852         my ($self, $py_name) = @_;
 853         push (@{$self->{ready_types}}, $py_name) unless (grep(/^$py_name$/,@{$self->{ready_types}}));
 854 }
 855
 856 sub register_module_import($$)
 857 {
 858         my ($self, $module_path) = @_;
 859
 860         my $var_name = $module_path;
 861         $var_name =~ s/\./_/g;
 862         $var_name = "dep_$var_name";
 863
 864         unless (defined $self->{module_imports_uniq}->{$var_name}) {
 865                 my $h = { "key" => $var_name, "val" => $module_path};
 866                 push @{$self->{module_imports}}, $h;
 867                 $self->{module_imports_uniq}->{$var_name} = $h;
 868         }
 869         return $var_name;
 870 }
 871
 872 sub import_type_variable($$$)
 873 {
 874         my ($self, $module, $name) = @_;
 875
 876         $self->register_module_import($module);
 877         unless (defined $self->{type_imports_uniq}->{$name}) {
 878                 my $h = { "key" => $name, "val" => $module};
 879                 push @{$self->{type_imports}}, $h;
 880                 $self->{type_imports_uniq}->{$name} = $h;
 881         }
 882         return "$name\_Type";
 883 }
 884
 885 sub use_type_variable($$)
 886 {
 887         my ($self, $orig_ctype) = @_;
 888         # FIXME: Have a global lookup table for types that look different on the
 889         # wire than they are named in C?
 890         if ($orig_ctype->{NAME} eq "dom_sid2" or
 891             $orig_ctype->{NAME} eq "dom_sid28" or
 892             $orig_ctype->{NAME} eq "dom_sid0") {
 893                 $orig_ctype->{NAME} = "dom_sid";
 894         }
 895         if ($orig_ctype->{NAME} eq "spoolss_security_descriptor") {
 896                 $orig_ctype->{NAME} = "security_descriptor";
 897         }
 898
 899         my $ctype = resolveType($orig_ctype);
 900         unless (defined($ctype->{BASEFILE})) {
 901                 return undef;
 902         }
 903         # If this is an external type, make sure we do the right imports.
 904         if (($ctype->{BASEFILE} ne $self->{BASENAME})) {
 905                 return $self->import_type_variable("samba.dcerpc.$ctype->{BASEFILE}", $ctype->{NAME});
 906         }
 907         return "&$ctype->{NAME}_Type";
 908 }
 909
 910 sub register_patch_type_call($$$)
 911 {
 912         my ($self, $typename, $cvar) = @_;
 913
 914         push(@{$self->{patch_type_calls}}, [$typename, $cvar]);
 915
 916 }
 917
 918 sub register_module_prereadycode($$)
 919 {
 920         my ($self, $code) = @_;
 921
 922         push (@{$self->{prereadycode}}, @$code);
 923 }
 924
 925 sub register_module_postreadycode($$)
 926 {
 927         my ($self, $code) = @_;
 928
 929         push (@{$self->{postreadycode}}, @$code);
 930 }
 931
 932 sub register_module_object($$$)
 933 {
 934         my ($self, $name, $py_name) = @_;
 935
 936         push (@{$self->{module_objects}}, [$name, $py_name])
 937 }
 938
 939 sub assign($$$)
 940 {
 941         my ($self, $dest, $src) = @_;
 942         if ($dest =~ /^\&/ and $src eq "NULL") {
 943                 $self->pidl("memset($dest, 0, sizeof(" . get_value_of($dest) . "));");
 944         } elsif ($dest =~ /^\&/) {
 945                 my $destvar = get_value_of($dest);
 946                 $self->pidl("$destvar = *$src;");
 947         } else {
 948                 $self->pidl("$dest = $src;");
 949         }
 950 }
 951
 952 sub ConvertObjectFromPythonData($$$$$$;$)
 953 {
 954         my ($self, $mem_ctx, $cvar, $ctype, $target, $fail, $location) = @_;
 955
 956         fatal($location, "undef type for $cvar") unless(defined($ctype));
 957
 958         $ctype = resolveType($ctype);
 959
 960         my $actual_ctype = $ctype;
 961         if ($actual_ctype->{TYPE} eq "TYPEDEF") {
 962                 $actual_ctype = $actual_ctype->{DATA};
 963         }
 964
 965         # We need to cover ENUMs, BITMAPS and SCALAR values here, as
 966         # all could otherwise be assigned invalid integer values
 967         my $ctype_alias = "";
 968         my $uint_max = "";
 969         if ($actual_ctype->{TYPE} eq "ENUM") {
 970                 # Importantly, ENUM values are unsigned in pidl, and
 971                 # typically map to uint32
 972                 $ctype_alias = enum_type_fn($actual_ctype);
 973         } elsif ($actual_ctype->{TYPE} eq "BITMAP") {
 974                 $ctype_alias = bitmap_type_fn($actual_ctype);
 975         } elsif ($actual_ctype->{TYPE} eq "SCALAR") {
 976                 $ctype_alias = expandAlias($actual_ctype->{NAME});
 977         }
 978
 979         # This is the unsigned Python Integer -> C integer validation
 980         # case.  The signed case is below.
 981         if ($ctype_alias  =~ /^(uint[0-9]*|hyper|udlong|udlongr
 982                                 |NTTIME_hyper|NTTIME|NTTIME_1sec
 983                                 |uid_t|gid_t)$/x) {
 984                 $self->pidl("{");
 985                 $self->indent;
 986                 $self->pidl("const unsigned long long uint_max = ndr_sizeof2uintmax(sizeof($target));");
 987                 $self->pidl("if (PyLong_Check($cvar)) {");
 988                 $self->indent;
 989                 $self->pidl("unsigned long long test_var;");
 990                 $self->pidl("test_var = PyLong_AsUnsignedLongLong($cvar);");
 991                 $self->pidl("if (PyErr_Occurred() != NULL) {");
 992                 $self->indent;
 993                 $self->pidl($fail);
 994                 $self->deindent;
 995                 $self->pidl("}");
 996                 $self->pidl("if (test_var > uint_max) {");
 997                 $self->indent;
 998                 $self->pidl("PyErr_Format(PyExc_OverflowError, \"Expected type %s or %s within range 0 - %llu, got %llu\",\\");
 999                 $self->pidl("  PyInt_Type.tp_name, PyLong_Type.tp_name, uint_max, test_var);");
1000                 $self->pidl($fail);
1001                 $self->deindent;
1002                 $self->pidl("}");
1003                 $self->pidl("$target = test_var;");
1004                 $self->deindent;
1005                 $self->pidl("} else if (PyInt_Check($cvar)) {");
1006                 $self->indent;
1007                 $self->pidl("long test_var;");
1008                 $self->pidl("test_var = PyInt_AsLong($cvar);");
1009                 $self->pidl("if (test_var < 0 || test_var > uint_max) {");
1010                 $self->indent;
1011                 $self->pidl("PyErr_Format(PyExc_OverflowError, \"Expected type %s or %s within range 0 - %llu, got %ld\",\\");
1012                 $self->pidl("  PyInt_Type.tp_name, PyLong_Type.tp_name, uint_max, test_var);");
1013                 $self->pidl($fail);
1014                 $self->deindent;
1015                 $self->pidl("}");
1016                 $self->pidl("$target = test_var;");
1017                 $self->deindent;
1018                 $self->pidl("} else {");
1019                 $self->indent;
1020                 $self->pidl("PyErr_Format(PyExc_TypeError, \"Expected type %s or %s\",\\");
1021                 $self->pidl("  PyInt_Type.tp_name, PyLong_Type.tp_name);");
1022                 $self->pidl($fail);
1023                 $self->deindent;
1024                 $self->pidl("}");
1025                 $self->deindent;
1026                 $self->pidl("}");
1027                 return;
1028         }
1029
1030         # Confirm the signed python integer fits in the C type
1031         # correctly.  It is subtly different from the unsigned case
1032         # above, so while it looks like a duplicate, it is not
1033         # actually a duplicate.
1034         if ($ctype_alias  =~ /^(dlong|char|int[0-9]*|time_t)$/x) {
1035                 $self->pidl("{");
1036                 $self->indent;
1037                 $self->pidl("const long long int_max = ndr_sizeof2intmax(sizeof($target));");
1038                 $self->pidl("const long long int_min = -int_max - 1;");
1039                 $self->pidl("if (PyLong_Check($cvar)) {");
1040                 $self->indent;
1041                 $self->pidl("long long test_var;");
1042                 $self->pidl("test_var = PyLong_AsLongLong($cvar);");
1043                 $self->pidl("if (PyErr_Occurred() != NULL) {");
1044                 $self->indent;
1045                 $self->pidl($fail);
1046                 $self->deindent;
1047                 $self->pidl("}");
1048                 $self->pidl("if (test_var < int_min || test_var > int_max) {");
1049                 $self->indent;
1050                 $self->pidl("PyErr_Format(PyExc_OverflowError, \"Expected type %s or %s within range %lld - %lld, got %lld\",\\");
1051                 $self->pidl("  PyInt_Type.tp_name, PyLong_Type.tp_name, int_min, int_max, test_var);");
1052                 $self->pidl($fail);
1053                 $self->deindent;
1054                 $self->pidl("}");
1055                 $self->pidl("$target = test_var;");
1056                 $self->deindent;
1057                 $self->pidl("} else if (PyInt_Check($cvar)) {");
1058                 $self->indent;
1059                 $self->pidl("long test_var;");
1060                 $self->pidl("test_var = PyInt_AsLong($cvar);");
1061                 $self->pidl("if (test_var < int_min || test_var > int_max) {");
1062                 $self->indent;
1063                 $self->pidl("PyErr_Format(PyExc_OverflowError, \"Expected type %s or %s within range %lld - %lld, got %ld\",\\");
1064                 $self->pidl("  PyInt_Type.tp_name, PyLong_Type.tp_name, int_min, int_max, test_var);");
1065                 $self->pidl($fail);
1066                 $self->deindent;
1067                 $self->pidl("}");
1068                 $self->pidl("$target = test_var;");
1069                 $self->deindent;
1070                 $self->pidl("} else {");
1071                 $self->indent;
1072                 $self->pidl("PyErr_Format(PyExc_TypeError, \"Expected type %s or %s\",\\");
1073                 $self->pidl("  PyInt_Type.tp_name, PyLong_Type.tp_name);");
1074                 $self->pidl($fail);
1075                 $self->deindent;
1076                 $self->pidl("}");
1077                 $self->deindent;
1078                 $self->pidl("}");
1079                 return;
1080         }
1081
1082         if ($actual_ctype->{TYPE} eq "STRUCT" or $actual_ctype->{TYPE} eq "INTERFACE") {
1083                 my $ctype_name = $self->use_type_variable($ctype);
1084                 unless (defined ($ctype_name)) {
1085                         error($location, "Unable to determine origin of type `" . mapTypeName($ctype) . "'");
1086                         $self->pidl("PyErr_SetString(PyExc_TypeError, \"Can not convert C Type " . mapTypeName($ctype) . " from Python\");");
1087                         return;
1088                 }
1089                 $self->pidl("PY_CHECK_TYPE($ctype_name, $cvar, $fail);");
1090                 $self->pidl("if (talloc_reference($mem_ctx, pytalloc_get_mem_ctx($cvar)) == NULL) {");
1091                 $self->indent;
1092                 $self->pidl("PyErr_NoMemory();");
1093                 $self->pidl("$fail");
1094                 $self->deindent;
1095                 $self->pidl("}");
1096                 $self->assign($target, "(".mapTypeName($ctype)." *)pytalloc_get_ptr($cvar)");
1097                 return;
1098         }
1099
1100         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "DATA_BLOB") {
1101                 $self->pidl("$target = data_blob_talloc($mem_ctx, PyString_AS_STRING($cvar), PyString_GET_SIZE($cvar));");
1102                 return;
1103         }
1104
1105         if ($actual_ctype->{TYPE} eq "SCALAR" and
1106                 ($actual_ctype->{NAME} eq "string" or $actual_ctype->{NAME} eq "nbt_string" or $actual_ctype->{NAME} eq "nbt_name" or $actual_ctype->{NAME} eq "wrepl_nbt_name")) {
1107                 $self->pidl("$target = talloc_strdup($mem_ctx, PyString_AS_STRING($cvar));");
1108                 return;
1109         }
1110
1111         if ($actual_ctype->{TYPE} eq "SCALAR" and ($actual_ctype->{NAME} eq "dns_string" or $actual_ctype->{NAME} eq "dns_name")) {
1112                 $self->pidl("$target = talloc_strdup($mem_ctx, PyString_AS_STRING($cvar));");
1113                 return;
1114         }
1115
1116         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "ipv4address") {
1117                 $self->pidl("$target = PyString_AS_STRING($cvar);");
1118                 return;
1119         }
1120
1121         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "ipv6address") {
1122                 $self->pidl("$target = PyString_AsString($cvar);");
1123                 return;
1124         }
1125
1126         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "dnsp_name") {
1127                 $self->pidl("$target = PyString_AS_STRING($cvar);");
1128                 return;
1129         }
1130
1131         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "dnsp_string") {
1132                 $self->pidl("$target = PyString_AS_STRING($cvar);");
1133                 return;
1134         }
1135
1136         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "NTSTATUS") {
1137                 $self->pidl("$target = NT_STATUS(PyInt_AsLong($cvar));");
1138                 return;
1139         }
1140
1141         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "WERROR") {
1142                 $self->pidl("$target = W_ERROR(PyInt_AsLong($cvar));");
1143                 return;
1144         }
1145
1146         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "HRESULT") {
1147                 $self->pidl("$target = HRES_ERROR(PyInt_AsLong($cvar));");
1148                 return;
1149         }
1150
1151         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "string_array") {
1152                 $self->pidl("$target = PyCObject_AsVoidPtr($cvar);");
1153                 return;
1154         }
1155
1156         if ($actual_ctype->{TYPE} eq "SCALAR" and $actual_ctype->{NAME} eq "pointer") {
1157                 $self->assign($target, "PyCObject_AsVoidPtr($cvar)");
1158                 return;
1159         }
1160
1161         fatal($location, "unknown type `$actual_ctype->{TYPE}' for ".mapTypeName($ctype) . ": $cvar");
1162
1163 }
1164
1165 sub ConvertObjectFromPythonLevel($$$$$$$$)
1166 {
1167         my ($self, $env, $mem_ctx, $py_var, $e, $l, $var_name, $fail) = @_;
1168         my $nl = GetNextLevel($e, $l);
1169         if ($nl and $nl->{TYPE} eq "SUBCONTEXT") {
1170                 $nl = GetNextLevel($e, $nl);
1171         }
1172         my $pl = GetPrevLevel($e, $l);
1173         if ($pl and $pl->{TYPE} eq "SUBCONTEXT") {
1174                 $pl = GetPrevLevel($e, $pl);
1175         }
1176
1177         if ($l->{TYPE} eq "POINTER") {
1178                 if ($l->{POINTER_TYPE} ne "ref") {
1179                         $self->pidl("if ($py_var == Py_None) {");
1180                         $self->indent;
1181                         $self->pidl("$var_name = NULL;");
1182                         $self->deindent;
1183                         $self->pidl("} else {");
1184                         $self->indent;
1185                 }
1186                 # if we want to handle more than one level of pointer in python interfaces
1187                 # then this is where we would need to allocate it
1188                 if ($l->{POINTER_TYPE} eq "ref") {
1189                         $self->pidl("$var_name = talloc_ptrtype($mem_ctx, $var_name);");
1190                 } elsif ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::is_scalar($nl->{DATA_TYPE})
1191                          and not Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE})) {
1192                         $self->pidl("$var_name = talloc_ptrtype($mem_ctx, $var_name);");
1193                 } else {
1194                         $self->pidl("$var_name = NULL;");
1195                 }
1196                 unless ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE})) {
1197                         $var_name = get_value_of($var_name);
1198                 }
1199                 $self->ConvertObjectFromPythonLevel($env, $mem_ctx, $py_var, $e, $nl, $var_name, $fail);
1200                 if ($l->{POINTER_TYPE} ne "ref") {
1201                         $self->deindent;
1202                         $self->pidl("}");
1203                 }
1204         } elsif ($l->{TYPE} eq "ARRAY") {
1205                 if ($pl && $pl->{TYPE} eq "POINTER") {
1206                         $var_name = get_pointer_to($var_name);
1207                 }
1208
1209                 if (is_charset_array($e, $l)) {
1210                         $self->pidl("if (PyUnicode_Check($py_var)) {");
1211                         $self->indent;
1212                         # FIXME: Use Unix charset setting rather than utf-8
1213                         $self->pidl($var_name . " = PyString_AS_STRING(PyUnicode_AsEncodedString($py_var, \"utf-8\", \"ignore\"));");
1214                         $self->deindent;
1215                         $self->pidl("} else if (PyString_Check($py_var)) {");
1216                         $self->indent;
1217                         $self->pidl($var_name . " = PyString_AS_STRING($py_var);");
1218                         $self->deindent;
1219                         $self->pidl("} else {");
1220                         $self->indent;
1221                         $self->pidl("PyErr_Format(PyExc_TypeError, \"Expected string or unicode object, got %s\", Py_TYPE($py_var)->tp_name);");
1222                         $self->pidl("$fail");
1223                         $self->deindent;
1224                         $self->pidl("}");
1225                 } else {
1226                         my $counter = "$e->{NAME}_cntr_$l->{LEVEL_INDEX}";
1227                         $self->pidl("PY_CHECK_TYPE(&PyList_Type, $py_var, $fail);");
1228                         $self->pidl("{");
1229                         $self->indent;
1230                         $self->pidl("int $counter;");
1231                         if (ArrayDynamicallyAllocated($e, $l)) {
1232                                 $self->pidl("$var_name = talloc_array_ptrtype($mem_ctx, $var_name, PyList_GET_SIZE($py_var));");
1233                                 $self->pidl("if (!$var_name) { $fail; }");
1234                                 $self->pidl("talloc_set_name_const($var_name, \"ARRAY: $var_name\");");
1235                         } else {
1236                                 $self->pidl("if (ARRAY_SIZE($var_name) != PyList_GET_SIZE($py_var)) {");
1237                                 $self->indent;
1238                                 $self->pidl("PyErr_Format(PyExc_TypeError, \"Expected list of type %s, length %zu, got %zd\", Py_TYPE($py_var)->tp_name, ARRAY_SIZE($var_name),  PyList_GET_SIZE($py_var));");
1239                                 $self->pidl("$fail");
1240                                 $self->deindent;
1241                                 $self->pidl("}");
1242                         }
1243                         $self->pidl("for ($counter = 0; $counter < PyList_GET_SIZE($py_var); $counter++) {");
1244                         $self->indent;
1245                         $self->ConvertObjectFromPythonLevel($env, $var_name, "PyList_GET_ITEM($py_var, $counter)", $e, $nl, $var_name."[$counter]", $fail);
1246                         $self->deindent;
1247                         $self->pidl("}");
1248                         $self->deindent;
1249                         $self->pidl("}");
1250                 }
1251         } elsif ($l->{TYPE} eq "DATA") {
1252                 if (not Parse::Pidl::Typelist::is_scalar($l->{DATA_TYPE})) {
1253                         $var_name = get_pointer_to($var_name);
1254                 }
1255                 $self->ConvertObjectFromPythonData($mem_ctx, $py_var, $l->{DATA_TYPE}, $var_name, $fail, $e->{ORIGINAL});
1256         } elsif ($l->{TYPE} eq "SWITCH") {
1257                 $var_name = get_pointer_to($var_name);
1258                 my $switch = ParseExpr($l->{SWITCH_IS}, $env, $e);
1259                 my $switch_ptr = "$e->{NAME}_switch_$l->{LEVEL_INDEX}";
1260                 $self->pidl("{");
1261                 $self->indent;
1262                 my $union_type = mapTypeName($nl->{DATA_TYPE});
1263                 $self->pidl("$union_type *$switch_ptr;");
1264                 $self->pidl("$switch_ptr = py_export_" . $nl->{DATA_TYPE} . "($mem_ctx, $switch, $py_var);");
1265                 $self->fail_on_null($switch_ptr, $fail);
1266                 $self->assign($var_name, "$switch_ptr");
1267                 $self->deindent;
1268                 $self->pidl("}");
1269         } elsif ($l->{TYPE} eq "SUBCONTEXT") {
1270                 $self->ConvertObjectFromPythonLevel($env, $mem_ctx, $py_var, $e, $nl, $var_name, $fail);
1271         } else {
1272                 fatal($e->{ORIGINAL}, "unknown level type $l->{TYPE}");
1273         }
1274 }
1275
1276 sub ConvertObjectFromPython($$$$$$$)
1277 {
1278         my ($self, $env, $mem_ctx, $ctype, $cvar, $target, $fail) = @_;
1279
1280         $self->ConvertObjectFromPythonLevel($env, $mem_ctx, $cvar, $ctype, $ctype->{LEVELS}[0], $target, $fail);
1281 }
1282
1283 sub ConvertScalarToPython($$$)
1284 {
1285         my ($self, $ctypename, $cvar) = @_;
1286
1287         die("expected string for $cvar, not $ctypename") if (ref($ctypename) eq "HASH");
1288
1289         $ctypename = expandAlias($ctypename);
1290
1291         if ($ctypename =~ /^(int64|dlong)$/) {
1292                 return "ndr_PyLong_FromLongLong($cvar)";
1293         }
1294
1295         if ($ctypename =~ /^(uint64|hyper|NTTIME_hyper|NTTIME|NTTIME_1sec|udlong|udlongr|uid_t|gid_t)$/) {
1296                 return "ndr_PyLong_FromUnsignedLongLong($cvar)";
1297         }
1298
1299         if ($ctypename =~ /^(char|int|int8|int16|int32|time_t)$/) {
1300                 return "PyInt_FromLong($cvar)";
1301         }
1302
1303         # Needed to ensure unsigned values in a 32 or 16 bit enum is
1304         # cast correctly to a uint32_t, not sign extended to a a
1305         # possibly 64 bit unsigned long.  (enums are signed in C,
1306         # unsigned in NDR)
1307         if ($ctypename =~ /^(uint32|uint3264)$/) {
1308                 return "ndr_PyLong_FromUnsignedLongLong((uint32_t)$cvar)";
1309         }
1310
1311         if ($ctypename =~ /^(uint|uint8|uint16|uint1632)$/) {
1312                 return "PyInt_FromLong((uint16_t)$cvar)";
1313         }
1314
1315         if ($ctypename eq "DATA_BLOB") {
1316                 return "PyString_FromStringAndSize((char *)($cvar).data, ($cvar).length)";
1317         }
1318
1319         if ($ctypename eq "NTSTATUS") {
1320                 return "PyErr_FromNTSTATUS($cvar)";
1321         }
1322
1323         if ($ctypename eq "WERROR") {
1324                 return "PyErr_FromWERROR($cvar)";
1325         }
1326
1327         if ($ctypename eq "HRESULT") {
1328                 return "PyErr_FromHRESULT($cvar)";
1329         }
1330
1331         if (($ctypename eq "string" or $ctypename eq "nbt_string" or $ctypename eq "nbt_name" or $ctypename eq "wrepl_nbt_name")) {
1332                 return "PyString_FromStringOrNULL($cvar)";
1333         }
1334
1335         if (($ctypename eq "dns_string" or $ctypename eq "dns_name")) {
1336                 return "PyString_FromStringOrNULL($cvar)";
1337         }
1338
1339         # Not yet supported
1340         if ($ctypename eq "string_array") { return "pytalloc_CObject_FromTallocPtr($cvar)"; }
1341         if ($ctypename eq "ipv4address") { return "PyString_FromStringOrNULL($cvar)"; }
1342         if ($ctypename eq "ipv6address") { return "PyString_FromStringOrNULL($cvar)"; }
1343         if ($ctypename eq "dnsp_name") { return "PyString_FromStringOrNULL($cvar)"; }
1344         if ($ctypename eq "dnsp_string") { return "PyString_FromStringOrNULL($cvar)"; }
1345         if ($ctypename eq "pointer") {
1346                 return "pytalloc_CObject_FromTallocPtr($cvar)";
1347         }
1348
1349         die("Unknown scalar type $ctypename");
1350 }
1351
1352 sub ConvertObjectToPythonData($$$$$;$)
1353 {
1354         my ($self, $mem_ctx, $ctype, $cvar, $location) = @_;
1355
1356         die("undef type for $cvar") unless(defined($ctype));
1357
1358         $ctype = resolveType($ctype);
1359
1360         my $actual_ctype = $ctype;
1361         if ($actual_ctype->{TYPE} eq "TYPEDEF") {
1362                 $actual_ctype = $actual_ctype->{DATA};
1363         }
1364
1365         if ($actual_ctype->{TYPE} eq "ENUM") {
1366                 return $self->ConvertScalarToPython(Parse::Pidl::Typelist::enum_type_fn($actual_ctype), $cvar);
1367         } elsif ($actual_ctype->{TYPE} eq "BITMAP") {
1368                 return $self->ConvertScalarToPython(Parse::Pidl::Typelist::bitmap_type_fn($actual_ctype), $cvar);
1369         } elsif ($actual_ctype->{TYPE} eq "SCALAR") {
1370                 return $self->ConvertScalarToPython($actual_ctype->{NAME}, $cvar);
1371         } elsif ($actual_ctype->{TYPE} eq "UNION") {
1372                 fatal($ctype, "union without discriminant: " . mapTypeName($ctype) . ": $cvar");
1373         } elsif ($actual_ctype->{TYPE} eq "STRUCT" or $actual_ctype->{TYPE} eq "INTERFACE") {
1374                 my $ctype_name = $self->use_type_variable($ctype);
1375                 unless (defined($ctype_name)) {
1376                         error($location, "Unable to determine origin of type `" . mapTypeName($ctype) . "'");
1377                         return "NULL"; # FIXME!
1378                 }
1379                 return "pytalloc_reference_ex($ctype_name, $mem_ctx, $cvar)";
1380         }
1381
1382         fatal($location, "unknown type $actual_ctype->{TYPE} for ".mapTypeName($ctype) . ": $cvar");
1383 }
1384
1385 sub fail_on_null($$$)
1386 {
1387         my ($self, $var, $fail) = @_;
1388         $self->pidl("if ($var == NULL) {");
1389         $self->indent;
1390         $self->pidl($fail);
1391         $self->deindent;
1392         $self->pidl("}");
1393 }
1394
1395 sub ConvertObjectToPythonLevel($$$$$$)
1396 {
1397         my ($self, $mem_ctx, $env, $e, $l, $var_name, $py_var, $fail) = @_;
1398         my $nl = GetNextLevel($e, $l);
1399         if ($nl and $nl->{TYPE} eq "SUBCONTEXT") {
1400                 $nl = GetNextLevel($e, $nl);
1401         }
1402         my $pl = GetPrevLevel($e, $l);
1403         if ($pl and $pl->{TYPE} eq "SUBCONTEXT") {
1404                 $pl = GetPrevLevel($e, $pl);
1405         }
1406
1407         if ($l->{TYPE} eq "POINTER") {
1408                 if ($l->{POINTER_TYPE} ne "ref") {
1409                         $self->pidl("if ($var_name == NULL) {");
1410                         $self->indent;
1411                         $self->pidl("$py_var = Py_None;");
1412                         $self->pidl("Py_INCREF($py_var);");
1413                         $self->deindent;
1414                         $self->pidl("} else {");
1415                         $self->indent;
1416                 }
1417                 my $var_name2 = $var_name;
1418                 unless ($nl->{TYPE} eq "DATA" and Parse::Pidl::Typelist::scalar_is_reference($nl->{DATA_TYPE})) {
1419                         $var_name2 = get_value_of($var_name);
1420                 }
1421                 $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, $var_name2, $py_var, $fail);
1422                 if ($l->{POINTER_TYPE} ne "ref") {
1423                         $self->deindent;
1424                         $self->pidl("}");
1425                 }
1426         } elsif ($l->{TYPE} eq "ARRAY") {
1427                 if ($pl && $pl->{TYPE} eq "POINTER") {
1428                         $var_name = get_pointer_to($var_name);
1429                 }
1430
1431                 if (is_charset_array($e, $l)) {
1432                         # FIXME: Use Unix charset setting rather than utf-8
1433                         $self->pidl("if ($var_name == NULL) {");
1434                         $self->indent;
1435                         $self->pidl("$py_var = Py_None;");
1436                         $self->pidl("Py_INCREF($py_var);");
1437                         $self->deindent;
1438                         $self->pidl("} else {");
1439                         $self->indent;
1440                         $self->pidl("$py_var = PyUnicode_Decode($var_name, strlen($var_name), \"utf-8\", \"ignore\");");
1441                         $self->deindent;
1442                         $self->pidl("}");
1443                 } else {
1444                         die("No SIZE_IS for array $var_name") unless (defined($l->{SIZE_IS}));
1445                         my $length = $l->{SIZE_IS};
1446                         if (defined($l->{LENGTH_IS})) {
1447                                 $length = $l->{LENGTH_IS};
1448                         }
1449
1450                         $length = ParseExpr($length, $env, $e);
1451                         $self->pidl("$py_var = PyList_New($length);");
1452                         $self->fail_on_null($py_var, $fail);
1453                         $self->pidl("{");
1454                         $self->indent;
1455                         my $counter = "$e->{NAME}_cntr_$l->{LEVEL_INDEX}";
1456                         $self->pidl("int $counter;");
1457                         $self->pidl("for ($counter = 0; $counter < ($length); $counter++) {");
1458                         $self->indent;
1459                         my $member_var = "py_$e->{NAME}_$l->{LEVEL_INDEX}";
1460                         $self->pidl("PyObject *$member_var;");
1461                         $self->ConvertObjectToPythonLevel($var_name, $env, $e, $nl, $var_name."[$counter]", $member_var, $fail);
1462                         $self->pidl("PyList_SetItem($py_var, $counter, $member_var);");
1463                         $self->deindent;
1464                         $self->pidl("}");
1465                         $self->deindent;
1466                         $self->pidl("}");
1467                 }
1468         } elsif ($l->{TYPE} eq "SWITCH") {
1469                 $var_name = get_pointer_to($var_name);
1470                 my $switch = ParseExpr($l->{SWITCH_IS}, $env, $e);
1471                 $self->pidl("$py_var = py_import_" . $nl->{DATA_TYPE} . "($mem_ctx, $switch, $var_name);");
1472                 $self->fail_on_null($py_var, $fail);
1473
1474         } elsif ($l->{TYPE} eq "DATA") {
1475                 if (not Parse::Pidl::Typelist::is_scalar($l->{DATA_TYPE})) {
1476                         $var_name = get_pointer_to($var_name);
1477                 }
1478                 my $conv = $self->ConvertObjectToPythonData($mem_ctx, $l->{DATA_TYPE}, $var_name, $e->{ORIGINAL});
1479                 $self->pidl("$py_var = $conv;");
1480         } elsif ($l->{TYPE} eq "SUBCONTEXT") {
1481                 $self->ConvertObjectToPythonLevel($mem_ctx, $env, $e, $nl, $var_name, $py_var, $fail);
1482         } else {
1483                 fatal($e->{ORIGINAL}, "Unknown level type $l->{TYPE} $var_name");
1484         }
1485 }
1486
1487 sub ConvertObjectToPython($$$$$$)
1488 {
1489         my ($self, $mem_ctx, $env, $ctype, $cvar, $py_var, $fail) = @_;
1490
1491         $self->ConvertObjectToPythonLevel($mem_ctx, $env, $ctype, $ctype->{LEVELS}[0], $cvar, $py_var, $fail);
1492 }
1493
1494 sub Parse($$$$$)
1495 {
1496     my($self,$basename,$ndr,$ndr_hdr,$hdr) = @_;
1497
1498         $self->{BASENAME} = $basename;
1499
1500     $self->pidl_hdr("
1501 /* Python wrapper functions auto-generated by pidl */
1502 #define PY_SSIZE_T_CLEAN 1 /* We use Py_ssize_t for PyArg_ParseTupleAndKeywords */
1503 #include <Python.h>
1504 #include \"includes.h\"
1505 #include <pytalloc.h>
1506 #include \"librpc/rpc/pyrpc.h\"
1507 #include \"librpc/rpc/pyrpc_util.h\"
1508 #include \"$hdr\"
1509 #include \"$ndr_hdr\"
1510
1511 /*
1512  * These functions are here to ensure they can be optomised out by
1513  * the compiler based on the constant input values
1514  */
1515
1516 static inline unsigned long long ndr_sizeof2uintmax(size_t var_size)
1517 {
1518         switch (var_size) {
1519         case 8:
1520                 return UINT64_MAX;
1521         case 4:
1522                 return UINT32_MAX;
1523         case 2:
1524                 return UINT16_MAX;
1525         case 1:
1526                 return UINT8_MAX;
1527         }
1528
1529         return 0;
1530 }
1531
1532 static inline long long ndr_sizeof2intmax(size_t var_size)
1533 {
1534         switch (var_size) {
1535         case 8:
1536                 return INT64_MAX;
1537         case 4:
1538                 return INT32_MAX;
1539         case 2:
1540                 return INT16_MAX;
1541         case 1:
1542                 return INT8_MAX;
1543         }
1544
1545         return 0;
1546 }
1547
1548 static inline PyObject *ndr_PyLong_FromLongLong(long long v)
1549 {
1550         if (v > LONG_MAX || v < LONG_MIN) {
1551                 return PyLong_FromLongLong(v);
1552         } else {
1553                 return PyInt_FromLong(v);
1554         }
1555 }
1556
1557 static inline PyObject *ndr_PyLong_FromUnsignedLongLong(unsigned long long v)
1558 {
1559         if (v > LONG_MAX) {
1560                 return PyLong_FromUnsignedLongLong(v);
1561         } else {
1562                 return PyInt_FromLong(v);
1563         }
1564 }
1565
1566 ");
1567
1568         foreach my $x (@$ndr) {
1569                 ($x->{TYPE} eq "IMPORT") && $self->Import(@{$x->{PATHS}});
1570             ($x->{TYPE} eq "INTERFACE") && $self->Interface($x, $basename);
1571         }
1572
1573         $self->pidl("static PyMethodDef $basename\_methods[] = {");
1574         $self->indent;
1575         foreach (@{$self->{module_methods}}) {
1576                 my ($fn_name, $pyfn_name, $flags, $doc) = @$_;
1577                 $self->pidl("{ \"$fn_name\", (PyCFunction)$pyfn_name, $flags, $doc },");
1578         }
1579
1580         $self->pidl("{ NULL, NULL, 0, NULL }");
1581         $self->deindent;
1582         $self->pidl("};");
1583
1584         $self->pidl("");
1585
1586         $self->pidl_hdr("void init$basename(void);");
1587         $self->pidl("void init$basename(void)");
1588         $self->pidl("{");
1589         $self->indent;
1590         $self->pidl("PyObject *m;");
1591         foreach my $h (@{$self->{module_imports}}) {
1592                 $self->pidl("PyObject *$h->{'key'};");
1593         }
1594         $self->pidl("");
1595
1596         foreach my $h (@{$self->{module_imports}}) {
1597                 my $var_name = $h->{'key'};
1598                 my $module_path = $h->{'val'};
1599                 $self->pidl("$var_name = PyImport_ImportModule(\"$module_path\");");
1600                 $self->pidl("if ($var_name == NULL)");
1601                 $self->pidl("\treturn;");
1602                 $self->pidl("");
1603         }
1604
1605         foreach my $h (@{$self->{type_imports}}) {
1606                 my $type_var = "$h->{'key'}\_Type";
1607                 my $module_path = $h->{'val'};
1608                 $self->pidl_hdr("static PyTypeObject *$type_var;\n");
1609                 my $pretty_name = PrettifyTypeName($h->{'key'}, $module_path);
1610                 my $module_var = "dep_$module_path";
1611                 $module_var =~ s/\./_/g;
1612                 $self->pidl("$type_var = (PyTypeObject *)PyObject_GetAttrString($module_var, \"$pretty_name\");");
1613                 $self->pidl("if ($type_var == NULL)");
1614                 $self->pidl("\treturn;");
1615                 $self->pidl("");
1616         }
1617
1618         $self->pidl($_) foreach (@{$self->{prereadycode}});
1619
1620         foreach (@{$self->{ready_types}}) {
1621                 $self->pidl("if (PyType_Ready($_) < 0)");
1622                 $self->pidl("\treturn;");
1623         }
1624
1625         $self->pidl($_) foreach (@{$self->{postreadycode}});
1626
1627         foreach (@{$self->{patch_type_calls}}) {
1628                 my ($typename, $cvar) = @$_;
1629                 $self->pidl("#ifdef PY_".uc($typename)."_PATCH");
1630                 $self->pidl("PY_".uc($typename)."_PATCH($cvar);");
1631                 $self->pidl("#endif");
1632         }
1633
1634         $self->pidl("");
1635
1636         $self->pidl("m = Py_InitModule3(\"$basename\", $basename\_methods, \"$basename DCE/RPC\");");
1637         $self->pidl("if (m == NULL)");
1638         $self->pidl("\treturn;");
1639         $self->pidl("");
1640         foreach my $h (@{$self->{constants}}) {
1641                 my $name = $h->{'key'};
1642                 my $py_obj;
1643                 my ($ctype, $cvar) = @{$h->{'val'}};
1644                 if ($cvar =~ /^[0-9]+$/ or $cvar =~ /^0x[0-9a-fA-F]+$/) {
1645                         $py_obj = "ndr_PyLong_FromUnsignedLongLong($cvar)";
1646                 } elsif ($cvar =~ /^".*"$/) {
1647                         $py_obj = "PyString_FromString($cvar)";
1648                 } else {
1649                         $py_obj = $self->ConvertObjectToPythonData("NULL", expandAlias($ctype), $cvar, undef);
1650                 }
1651
1652                 $self->pidl("PyModule_AddObject(m, \"$name\", $py_obj);");
1653         }
1654
1655         foreach (@{$self->{module_objects}}) {
1656                 my ($object_name, $c_name) = @$_;
1657                 $self->pidl("Py_INCREF($c_name);");
1658                 $self->pidl("PyModule_AddObject(m, \"$object_name\", $c_name);");
1659         }
1660
1661         $self->pidl("#ifdef PY_MOD_".uc($basename)."_PATCH");
1662         $self->pidl("PY_MOD_".uc($basename)."_PATCH(m);");
1663         $self->pidl("#endif");
1664
1665         $self->pidl("");
1666         $self->deindent;
1667         $self->pidl("}");
1668     return ($self->{res_hdr} . $self->{res});
1669 }
1670
1671 1;