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Diffstat (limited to 'lang/py3-pyme/gpgme.i')
| -rw-r--r-- | lang/py3-pyme/gpgme.i | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/lang/py3-pyme/gpgme.i b/lang/py3-pyme/gpgme.i new file mode 100644 index 00000000..0115caf3 --- /dev/null +++ b/lang/py3-pyme/gpgme.i @@ -0,0 +1,267 @@ +/* +# $Id$ +# Copyright (C) 2004,2008 Igor Belyi <[email protected]> +# Copyright (C) 2002 John Goerzen <[email protected]> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ +%module pygpgme +%include "cpointer.i" +%include "cstring.i" + +// Generate doc strings for all methods. +%feature("autodoc", "0"); + +// Allow use of None for strings. + +%typemap(in) const char * { + if ($input == Py_None) + $1 = NULL; + else if (PyBytes_Check($input)) + $1 = PyBytes_AsString($input); + else { + PyErr_Format(PyExc_TypeError, + "arg %d: expected string or None, got %s", + $argnum, $input->ob_type->tp_name); + return NULL; + } +} +%typemap(freearg) const char * ""; + +// Release returned buffers as necessary. +%typemap(newfree) char * "free($1);"; +%newobject gpgme_data_release_and_get_mem; + +%{ +/* Convert object to a pointer to gpgme type */ +PyObject* object_to_gpgme_t(PyObject* input, const char* objtype, int argnum) { + PyObject *pyname = NULL, *pypointer = NULL; + pyname = PyObject_CallMethod(input, "_getctype", NULL); + if (pyname == NULL) { + PyErr_Format(PyExc_TypeError, + "arg %d: Expected an instance of type %s, but got %s", + argnum, objtype, + input == Py_None ? "None" : input->ob_type->tp_name); + return NULL; + } + if (strcmp(PyBytes_AsString(pyname), objtype) != 0) { + PyErr_Format(PyExc_TypeError, + "arg %d: Expected value of type %s, but got %s", + argnum, objtype, PyBytes_AsString(pyname)); + Py_DECREF(pyname); + return NULL; + } + Py_DECREF(pyname); + pypointer = PyObject_GetAttrString(input, "wrapped"); + if (pypointer == NULL) { + PyErr_Format(PyExc_TypeError, + "arg %d: Use of uninitialized Python object %s", + argnum, objtype); + return NULL; + } + return pypointer; +} +%} + +%typemap(arginit) gpgme_key_t [] { + $1 = NULL; +} + +%typemap(in) gpgme_key_t [] { + int i, numb = 0; + if (!PySequence_Check($input)) { + PyErr_Format(PyExc_ValueError, "arg %d: Expected a list of gpgme_key_t", + $argnum); + return NULL; + } + if((numb = PySequence_Length($input)) != 0) { + $1 = (gpgme_key_t*)malloc((numb+1)*sizeof(gpgme_key_t)); + for(i=0; i<numb; i++) { + PyObject *pypointer = PySequence_GetItem($input, i); + + /* input = $input, 1 = $1, 1_descriptor = $1_descriptor */ + /* &1_descriptor = $&1_descriptor *1_descriptor = $*1_descriptor */ + + // Following code is from swig's python.swg + if ((SWIG_ConvertPtr(pypointer,(void **) &$1[i], $*1_descriptor,SWIG_POINTER_EXCEPTION | $disown )) == -1) { + Py_DECREF(pypointer); + return NULL; + } + Py_DECREF(pypointer); + } + $1[numb] = NULL; + } +} +%typemap(freearg) gpgme_key_t [] { + if ($1) free($1); +} + +// Special handling for references to our objects. +%typemap(in) gpgme_data_t DATAIN { + if ($input == Py_None) + $1 = NULL; + else { + PyObject *pypointer = NULL; + + if((pypointer=object_to_gpgme_t($input, "$1_ltype", $argnum)) == NULL) + return NULL; + + /* input = $input, 1 = $1, 1_descriptor = $1_descriptor */ + + // Following code is from swig's python.swg + + if ((SWIG_ConvertPtr(pypointer,(void **) &$1, $1_descriptor, + SWIG_POINTER_EXCEPTION | $disown )) == -1) { + Py_DECREF(pypointer); + return NULL; + } + Py_DECREF(pypointer); + } +} + +%apply gpgme_data_t DATAIN {gpgme_data_t plain, gpgme_data_t cipher, + gpgme_data_t sig, gpgme_data_t signed_text, + gpgme_data_t plaintext, gpgme_data_t keydata, + gpgme_data_t pubkey, gpgme_data_t seckey, + gpgme_data_t out}; + +// SWIG has problem interpreting ssize_t, off_t or gpgme_error_t in gpgme.h +%typemap(out) ssize_t, off_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t { + $result = PyLong_FromLong($1); +} +%typemap(in) ssize_t, off_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t { + $1 = PyLong_AsLong($input); +} + +// Those are for gpgme_data_read() and gpgme_strerror_r() +%typemap(in) (void *buffer, size_t size), (char *buf, size_t buflen) { + $2 = PyLong_AsLong($input); + if ($2 < 0) { + PyErr_SetString(PyExc_ValueError, "Positive integer expected"); + return NULL; + } + $1 = ($1_ltype) malloc($2+1); +} +%typemap(argout) (void *buffer, size_t size), (char *buf, size_t buflen) { + Py_XDECREF($result); /* Blow away any previous result */ + if (result < 0) { /* Check for I/O error */ + free($1); + return NULL; + } + $result = PyBytes_FromStringAndSize($1,result); + free($1); +} + +// Make types containing 'next' field to be lists +%ignore next; +%typemap(out) gpgme_sig_notation_t, gpgme_engine_info_t, gpgme_subkey_t, gpgme_key_sig_t, + gpgme_user_id_t, gpgme_invalid_key_t, gpgme_recipient_t, gpgme_new_signature_t, + gpgme_signature_t, gpgme_import_status_t, gpgme_conf_arg_t, gpgme_conf_opt_t, + gpgme_conf_comp_t { + int i; + int size = 0; + $1_ltype curr; + for (curr = $1; curr != NULL; curr = curr->next) { + size++; + } + $result = PyList_New(size); + for (i=0,curr=$1; i<size; i++,curr=curr->next) { + PyObject *o = SWIG_NewPointerObj(SWIG_as_voidptr(curr), $1_descriptor, %newpointer_flags); + PyList_SetItem($result, i, o); + } +} + +// Include mapper for edit callbacks +%typemap(in) (gpgme_edit_cb_t fnc, void *fnc_value) { + $1 = (gpgme_edit_cb_t) pyEditCb; + if ($input == Py_None) + $2 = NULL; + else + $2 = $input; +} + +// Include the header file both for cc (first) and for swig (second) +// Include for swig locally since we need to fix 'class' usage there. +%{ +#include <gpgme.h> +%} +%include "gpgme.h" + +%constant long EOF = GPG_ERR_EOF; + +// Generating and handling pointers-to-pointers. + +%pointer_functions(gpgme_ctx_t, gpgme_ctx_t_p); +%pointer_functions(gpgme_data_t, gpgme_data_t_p); +%pointer_functions(gpgme_key_t, gpgme_key_t_p); +%pointer_functions(gpgme_error_t, gpgme_error_t_p); +%pointer_functions(gpgme_trust_item_t, gpgme_trust_item_t_p); +%pointer_functions(gpgme_engine_info_t, gpgme_engine_info_t_p); +%pointer_functions(PyObject *, PyObject_p_p); +%pointer_functions(void *, void_p_p); + +// Helper functions. + +%{ +#include <stdio.h> +%} +FILE *fdopen(int fildes, const char *mode); + +%{ +#include "helpers.h" +%} +%include "helpers.h" + +%{ +gpgme_error_t pyEditCb(void *opaque, gpgme_status_code_t status, + const char *args, int fd) { + PyObject *func = NULL, *dataarg = NULL, *pyargs = NULL, *retval = NULL; + PyObject *pyopaque = (PyObject *) opaque; + gpgme_error_t err_status = 0; + + pygpgme_exception_init(); + + if (PyTuple_Check(pyopaque)) { + func = PyTuple_GetItem(pyopaque, 0); + dataarg = PyTuple_GetItem(pyopaque, 1); + pyargs = PyTuple_New(3); + } else { + func = pyopaque; + pyargs = PyTuple_New(2); + } + + PyTuple_SetItem(pyargs, 0, PyLong_FromLong((long) status)); + PyTuple_SetItem(pyargs, 1, PyBytes_FromString(args)); + if (dataarg) { + Py_INCREF(dataarg); /* Because GetItem doesn't give a ref but SetItem taketh away */ + PyTuple_SetItem(pyargs, 2, dataarg); + } + + retval = PyObject_CallObject(func, pyargs); + Py_DECREF(pyargs); + if (PyErr_Occurred()) { + err_status = pygpgme_exception2code(); + } else { + if (fd>=0 && retval) { + write(fd, PyBytes_AsString(retval), PyBytes_Size(retval)); + write(fd, "\n", 1); + } + } + + Py_XDECREF(retval); + return err_status; +} +%} + |