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rpm/python/rpmfiles-py.c

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#include "rpmsystem-py.h"
#include <rpm/rpmtypes.h>
#include <rpm/rpmpgp.h>
#include "header-py.h"
#include "rpmfi-py.h"
#include "rpmfiles-py.h"
#include "rpmfd-py.h"
#include "rpmarchive-py.h"
#include "rpmstrpool-py.h"
/* A single file from rpmfiles set, can't be independently instanciated */
struct rpmfileObject_s {
PyObject_HEAD
PyObject *md_dict;
rpmfiles files; /* reference to rpmfiles */
int ix; /* index to rpmfiles */
};
static void rpmfile_dealloc(rpmfileObject * s)
{
s->files = rpmfilesFree(s->files);
Py_TYPE(s)->tp_free((PyObject *)s);
}
static char rpmfile_doc[] =
"Gives access to the meta data of a single file.\n\n"
"Instances of this class are only available through an rpm.files object.";
static PyObject *rpmfile_fx(rpmfileObject *s)
{
return Py_BuildValue("i", s->ix);
}
static PyObject *rpmfile_dx(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesDI(s->files, s->ix));
}
static PyObject *rpmfile_name(rpmfileObject *s)
{
char * fn = rpmfilesFN(s->files, s->ix);
PyObject *o = Py_BuildValue("s", fn);
free(fn);
return o;
}
static PyObject *rpmfile_basename(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesBN(s->files, s->ix));
}
static PyObject *rpmfile_dirname(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesDN(s->files, rpmfilesDI(s->files, s->ix)));
}
static PyObject *rpmfile_orig_name(rpmfileObject *s)
{
char * fn = rpmfilesOFN(s->files, s->ix);
PyObject *o = Py_BuildValue("s", fn);
free(fn);
return o;
}
static PyObject *rpmfile_orig_basename(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesOBN(s->files, s->ix));
}
static PyObject *rpmfile_orig_dirname(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesODN(s->files, rpmfilesODI(s->files, s->ix)));
}
static PyObject *rpmfile_mode(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFMode(s->files, s->ix));
}
static PyObject *rpmfile_size(rpmfileObject *s)
{
return Py_BuildValue("L", rpmfilesFSize(s->files, s->ix));
}
static PyObject *rpmfile_mtime(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFMtime(s->files, s->ix));
}
static PyObject *rpmfile_rdev(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFRdev(s->files, s->ix));
}
static PyObject *rpmfile_inode(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFInode(s->files, s->ix));
}
static PyObject *rpmfile_nlink(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFNlink(s->files, s->ix));
}
static PyObject *rpmfile_linkto(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesFLink(s->files, s->ix));
}
static PyObject *rpmfile_user(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesFUser(s->files, s->ix));
}
static PyObject *rpmfile_group(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesFGroup(s->files, s->ix));
}
static PyObject *rpmfile_fflags(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFFlags(s->files, s->ix));
}
static PyObject *rpmfile_vflags(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesVFlags(s->files, s->ix));
}
static PyObject *rpmfile_color(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFColor(s->files, s->ix));
}
static PyObject *rpmfile_state(rpmfileObject *s)
{
return Py_BuildValue("i", rpmfilesFState(s->files, s->ix));
}
static PyObject *rpmfile_digest(rpmfileObject *s)
{
size_t diglen = 0;
const unsigned char *digest = rpmfilesFDigest(s->files, s->ix,
NULL, &diglen);
if (digest) {
char * hex = pgpHexStr(digest, diglen);
PyObject *o = Py_BuildValue("s", hex);
free(hex);
return o;
}
Py_RETURN_NONE;
}
static PyObject *rpmfile_class(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesFClass(s->files, s->ix));
}
static PyObject *rpmfile_caps(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesFCaps(s->files, s->ix));
}
static PyObject *rpmfile_langs(rpmfileObject *s)
{
return Py_BuildValue("s", rpmfilesFLangs(s->files, s->ix));
}
static PyObject *rpmfile_links(rpmfileObject *s)
{
PyObject *result = NULL;
const int * links = NULL;
uint32_t nlinks = rpmfilesFLinks(s->files, s->ix, &links);
if (nlinks == 0)
Py_RETURN_NONE;
else if (nlinks == 1)
links = &s->ix; /* file itself */
result = PyTuple_New(nlinks);
if (result) {
for (uint32_t i = 0; i < nlinks; i++) {
int lix = links[i];
PyObject * o;
if (lix == s->ix) {
/* file itself, return a reference instead of new object */
Py_INCREF(s);
o = (PyObject *) s;
} else {
o = rpmfile_Wrap(s->files, lix);
}
PyTuple_SET_ITEM(result, i, o);
}
}
return result;
}
/*
* Exported as "matches" instead of a rich comparison operator or such
* as this cannot be used for comparing file *object* equality,
* rpmfilesCompare() determines whether the file *contents* match.
*/
static PyObject *rpmfile_matches(rpmfileObject *s, PyObject *o)
{
PyObject *result = NULL;
if (rpmfileObject_Check(o)) {
rpmfileObject *of = (rpmfileObject *)o;
int rc = rpmfilesCompare(s->files, s->ix, of->files, of->ix);
result = PyBool_FromLong(rc == 0);
} else {
PyErr_SetObject(PyExc_TypeError, o);
}
return result;
}
static PyGetSetDef rpmfile_getseters[] = {
{ "fx", (getter) rpmfile_fx, NULL,
"index in header and rpm.files object" },
{ "dx", (getter) rpmfile_dx, NULL,
"index of dirname entry" },
{ "name", (getter) rpmfile_name, NULL,
"file name (path)" },
{ "basename", (getter) rpmfile_basename, NULL, NULL },
{ "dirname", (getter) rpmfile_dirname, NULL, NULL },
{ "orig_name", (getter) rpmfile_orig_name, NULL,
"original file name (may differ due to relocation)" },
{ "orig_basename", (getter) rpmfile_orig_basename, NULL,
"original base name (may differ due to relocation)" },
{ "orig_dirname", (getter) rpmfile_orig_dirname, NULL,
"original dir name (may differ due to relocation)" },
{ "mode", (getter) rpmfile_mode, NULL,
"mode flags / unix permissions" },
{ "mtime", (getter) rpmfile_mtime, NULL,
"modification time (in unix time)" },
{ "size", (getter) rpmfile_size, NULL,
"file size" },
{ "rdev", (getter) rpmfile_rdev, NULL,
"device number - for device files only" },
{ "inode", (getter) rpmfile_inode, NULL,
"inode number - contains fake, data used to identify hard liked files" },
{ "fflags", (getter) rpmfile_fflags, NULL,
"file flags - see RPMFILE_* constants" },
{ "vflags", (getter) rpmfile_vflags, NULL,
"verification flags - see RPMVERIFY_* (in rpmvf.h)" },
{ "linkto", (getter) rpmfile_linkto, NULL,
"link target - symlinks only" },
{ "color", (getter) rpmfile_color, NULL,
"file color - 2 for 64 bit binaries, 1 for 32 bit binaries, 0 else" },
{ "nlink", (getter) rpmfile_nlink, NULL,
"number of hardlinks pointing to the same content as this file" },
{ "links", (getter) rpmfile_links, NULL,
"list of file indexes that are hardlinked with this file" },
{ "user", (getter) rpmfile_user, NULL,
"user name owning this file" },
{ "group", (getter) rpmfile_group, NULL,
"group name owning this file" },
{ "digest", (getter) rpmfile_digest, NULL,
"check sum of file content" },
{ "class", (getter) rpmfile_class, NULL,
"classfication of file content based on libmagic/file(1)" },
{ "state", (getter) rpmfile_state, NULL,
"file state - see RPMFILE_STATE_* constants" },
{ "langs", (getter) rpmfile_langs, NULL,
"language the file provides (typically for doc files)" },
{ "caps", (getter) rpmfile_caps, NULL,
"file capabilities" },
{ NULL, NULL, NULL, NULL }
};
static struct PyMethodDef rpmfile_methods[] = {
{ "matches", (PyCFunction) rpmfile_matches, METH_O,
NULL },
{ NULL, NULL, 0, NULL }
};
PyTypeObject rpmfile_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"rpm.file", /* tp_name */
sizeof(rpmfileObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor) rpmfile_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
(reprfunc)rpmfile_name, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */
rpmfile_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
rpmfile_methods, /* tp_methods */
0, /* tp_members */
rpmfile_getseters, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
0, /* tp_free */
0, /* tp_is_gc */
};
PyObject * rpmfile_Wrap(rpmfiles files, int ix)
{
rpmfileObject *s = PyObject_New(rpmfileObject, &rpmfile_Type);
if (s == NULL) return NULL;
s->files = rpmfilesLink(files);
s->ix = ix;
return (PyObject *) s;
}
/* The actual rpmfiles info set */
struct rpmfilesObject_s {
PyObject_HEAD
PyObject *md_dict; /*!< to look like PyModuleObject */
rpmfiles files;
};
static void rpmfiles_dealloc(rpmfilesObject * s)
{
s->files = rpmfilesFree(s->files);
Py_TYPE(s)->tp_free((PyObject *)s);
}
static PyObject * rpmfiles_new(PyTypeObject * subtype, PyObject *args, PyObject *kwds)
{
PyObject * to = NULL;
Header h = NULL;
rpmfiles files = NULL;
rpmTagVal tagN = RPMTAG_BASENAMES;
int flags = 0;
rpmstrPool pool = NULL;
char * kwlist[] = {"header", "tag", "flags", "pool", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&|OiO&:rpmfiles_new", kwlist,
hdrFromPyObject, &h, &to, &flags,
poolFromPyObject, &pool))
return NULL;
files = rpmfilesNew(pool, h, tagN, flags);
if (files == NULL) {
PyErr_SetString(PyExc_ValueError, "invalid file data in header");
return NULL;
}
return rpmfiles_Wrap(subtype, files);
}
static Py_ssize_t rpmfiles_length(rpmfilesObject *s)
{
return rpmfilesFC(s->files);
}
static PyObject * rpmfiles_getitem(rpmfilesObject *s, Py_ssize_t ix)
{
if (ix >= 0 && ix < rpmfilesFC(s->files))
return rpmfile_Wrap(s->files, ix);
PyErr_SetObject(PyExc_IndexError, Py_BuildValue("i", ix));
return NULL;
}
static int rpmfiles_contains(rpmfilesObject *s, PyObject *value)
{
const char *fn = NULL;
if (!PyArg_Parse(value, "s", &fn))
return -1;
return (rpmfilesFindFN(s->files, fn) >= 0) ? 1 : 0;
}
static PySequenceMethods rpmfiles_as_sequence = {
(lenfunc)rpmfiles_length, /* sq_length */
0, /* sq_concat */
0, /* sq_repeat */
(ssizeargfunc) rpmfiles_getitem, /* sq_item */
0, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
(objobjproc)rpmfiles_contains, /* sq_contains */
0, /* sq_inplace_concat */
0, /* sq_inplace_repeat */
};
static PyObject * rpmfiles_find(rpmfileObject *s,
PyObject *args, PyObject *kwds)
{
const char *fn = NULL;
int fx, orig = 0;
char * kwlist[] = {"filename", "orig", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|i", kwlist, &fn, &orig))
return NULL;
if (orig)
fx = rpmfilesFindOFN(s->files, fn);
else
fx = rpmfilesFindFN(s->files, fn);
if (fx >= 0)
return rpmfile_Wrap(s->files, fx);
Py_RETURN_NONE;
}
static PyObject *rpmfiles_archive(rpmfilesObject *s,
PyObject *args, PyObject *kwds)
{
char * kwlist[] = {"fd", "write", NULL};
rpmfdObject *fdo = NULL;
FD_t fd = NULL;
rpmfi archive = NULL;
int writer = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&|i", kwlist,
rpmfdFromPyObject, &fdo, &writer)) {
return NULL;
}
fd = rpmfdGetFd(fdo);
if (writer) {
archive = rpmfiNewArchiveWriter(fd, s->files);
} else {
archive = rpmfiNewArchiveReader(fd, s->files, RPMFI_ITER_READ_ARCHIVE);
}
return rpmarchive_Wrap(&rpmarchive_Type, s->files, archive);
}
static PyObject *rpmfiles_subscript(rpmfilesObject *s, PyObject *item)
{
PyObject *str = NULL;
/* treat numbers as sequence accesses */
if (PyInt_Check(item)) {
return rpmfiles_getitem(s, PyInt_AsSsize_t(item));
} else if (PyLong_Check(item)) {
return rpmfiles_getitem(s, PyLong_AsSsize_t(item));
}
/* handle slices by returning tuples of rpm.file items */
if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelength, i, cur;
PyObject * result;
if (PySlice_GetIndicesEx(
#if PY_MAJOR_VERSION < 3
(PySliceObject*)
#endif
item, rpmfiles_length(s),
&start, &stop, &step, &slicelength) < 0) {
return NULL;
}
result = PyTuple_New(slicelength);
if (result) {
for (cur = start, i = 0; i < slicelength; cur += step, i++) {
PyTuple_SET_ITEM(result, i, rpmfiles_getitem(s, cur));
}
}
return result;
}
/* ... and strings as mapping access */
if (utf8FromPyObject(item, &str)) {
int fx = rpmfilesFindFN(s->files, PyBytes_AsString(str));
Py_DECREF(str);
if (fx >= 0) {
return rpmfile_Wrap(s->files, fx);
} else {
PyErr_SetObject(PyExc_KeyError, item);
}
} else {
PyErr_SetObject(PyExc_TypeError, item);
}
return NULL;
}
static PyMappingMethods rpmfiles_as_mapping = {
(lenfunc) rpmfiles_length, /* mp_length */
(binaryfunc) rpmfiles_subscript, /* mp_subscript */
0, /* mp_ass_subscript */
};
static struct PyMethodDef rpmfiles_methods[] = {
{ "archive", (PyCFunction) rpmfiles_archive, METH_VARARGS|METH_KEYWORDS,
"files.archive(fd, write=False) -- Return a rpm.archive object\n\n"
"Args:\n"
" fd : File to read from or write to.\n"
" write : True to get an archive writer, False for an archive reader"},
{ "find", (PyCFunction) rpmfiles_find, METH_VARARGS|METH_KEYWORDS,
"files.find(filename, orig=False) -- Return index of given file name.\n\n"
" Return -1 if file is not found.\n"
" Leading \".\" in filename is ignored."},
{ NULL, NULL, 0, NULL }
};
static char rpmfiles_doc[] =
"rpm.files(hdr, tag=RPMTAG_BASENAMES, flags=None, pool=None)\n\n"
"Stores the meta data of a package's files.\n\n"
"Args:\n"
"\thdr: The header object to get the data from.\n"
"\tflags : Controls which data to store and whether to create\n\t\tcopies or use the data from the header.\n\t\tBy default all data is copied.\n\t\tSee RPMFI_* constants in rpmfiles.h.\n"
"\tpool : rpm.strpool object to store the strings in.\n\t\tLeave empty to use global pool.\n"
"\ttag : Obsolete. Leave alone!\n\n"
"rpm.files is basically a sequence of rpm.file objects.\nNote that this is a read only data structure. To write file data you\nhave to write it directly into aheader object.";
PyTypeObject rpmfiles_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"rpm.files", /* tp_name */
sizeof(rpmfilesObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor) rpmfiles_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
&rpmfiles_as_sequence, /* tp_as_sequence */
&rpmfiles_as_mapping, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */
rpmfiles_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
rpmfiles_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
(newfunc) rpmfiles_new, /* tp_new */
0, /* tp_free */
0, /* tp_is_gc */
};
PyObject * rpmfiles_Wrap(PyTypeObject *subtype, rpmfiles files)
{
rpmfilesObject *s = (rpmfilesObject *)subtype->tp_alloc(subtype, 0);
if (s == NULL) return NULL;
s->files = files;
return (PyObject *) s;
}
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