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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: apt_instmodule.cc,v 1.3 2002/01/08 06:53:04 jgg Exp $
/* ######################################################################
apt_intmodule - Top level for the python module. Create the internal
structures for the module in the interpriter.
Note, this module shares state (particularly global config) with the
apt_pkg module.
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include "apt_instmodule.h"
#include "generic.h"
#include <apt-pkg/debfile.h>
#include <apt-pkg/error.h>
#include <sys/stat.h>
#include <unistd.h>
#include <Python.h>
/*}}}*/
#ifdef COMPAT_0_7
// debExtractControl - Exctract an arbitary control member /*{{{*/
// ---------------------------------------------------------------------
/* This is a common operation so this function will stay, but others that
expose the full range of the apt-inst .deb processing will join it some
day. */
static char *doc_debExtractControl =
"deb_extract_control(file[,member]) -> String\n"
"Returns the indicated file from the control tar. The default is 'control'\n";
static PyObject *debExtractControl(PyObject *Self,PyObject *Args)
{
char *Member = "control";
PyObject *File;
if (PyArg_ParseTuple(Args,"O|s",&File,&Member) == 0)
return 0;
// Subscope makes sure any clean up errors are properly handled.
PyObject *Res = 0;
{
// Open the file and associate the .deb
int fileno = PyObject_AsFileDescriptor(File);
if (fileno == -1)
return 0;
FileFd Fd(fileno,false);
debDebFile Deb(Fd);
if (_error->PendingError() == true)
return HandleErrors();
debDebFile::MemControlExtract Extract(Member);
if (Extract.Read(Deb) == false)
return HandleErrors();
// Build the return result
if (Extract.Control == 0)
{
Py_INCREF(Py_None);
Res = Py_None;
}
else
Res = PyString_FromStringAndSize(Extract.Control,Extract.Length+2);
}
return HandleErrors(Res);
}
/*}}}*/
// debExtractArchive - Exctract the archive /*{{{*/
// ---------------------------------------------------------------------
static char *doc_debExtractArchive =
"deb_extract_archive(File,rootdir) -> Bool\n"
"Extracts the Archive into the given root dir";
static PyObject *debExtractArchive(PyObject *Self,PyObject *Args)
{
char *Rootdir = NULL;
char cwd[512];
PyObject *File;
if (PyArg_ParseTuple(Args,"O|s",&File,&Rootdir) == 0)
return 0;
// Subscope makes sure any clean up errors are properly handled.
bool res = false;
{
if(Rootdir != NULL)
{
getcwd(cwd, sizeof(cwd));
chdir(Rootdir);
}
// Open the file and associate the .deb
int fileno = PyObject_AsFileDescriptor(File);
if (fileno == -1)
return 0;
FileFd Fd(fileno,false);
debDebFile Deb(Fd);
if (_error->PendingError() == true) {
if (Rootdir != NULL)
chdir (cwd);
return HandleErrors();
}
// extracts relative to the current dir
pkgDirStream Extract;
res = Deb.ExtractArchive(Extract);
if (Rootdir != NULL)
chdir (cwd);
if (res == false)
return HandleErrors(PyBool_FromLong(res));
}
return HandleErrors(PyBool_FromLong(res));
}
/*}}}*/
// arFindMember - Find member in AR archive /*{{{*/
// ---------------------------------------------------------------------
static char *doc_arCheckMember =
"ar_check_member(file, membername) -> Bool\n";
static PyObject *arCheckMember(PyObject *Self,PyObject *Args)
{
char *Member = NULL;
bool res = false;
PyObject *File;
if (PyArg_ParseTuple(Args,"Os",&File,&Member) == 0)
return 0;
// Open the file and associate the .deb
int fileno = PyObject_AsFileDescriptor(File);
if (fileno == -1)
return 0;
FileFd Fd(fileno,false);
ARArchive AR(Fd);
if (_error->PendingError() == true)
return HandleErrors();
if(AR.FindMember(Member) != 0)
res = true;
return HandleErrors(PyBool_FromLong(res));
}
/*}}}*/
// initapt_inst - Core Module Initialization /*{{{*/
// ---------------------------------------------------------------------
/* */
static PyMethodDef methods[] =
{
// access to ar files
{"arCheckMember", arCheckMember, METH_VARARGS, doc_arCheckMember},
// access to deb files
{"debExtractControl",debExtractControl,METH_VARARGS,doc_debExtractControl},
{"debExtractArchive",debExtractArchive,METH_VARARGS,doc_debExtractArchive},
// access to tar streams
{"tarExtract",tarExtract,METH_VARARGS,doc_tarExtract},
{"debExtract",debExtract,METH_VARARGS,doc_debExtract},
{}
};
#else
static PyMethodDef *methods = 0;
#endif // defined(COMPAT_0_7)
static const char *apt_inst_doc =
"Functions for working with ar/tar archives and .deb packages.\n\n"
"This module provides useful classes and functions to work with\n"
"archives, modelled after the 'TarFile' class in the 'tarfile' module.";
#define ADDTYPE(mod,name,type) { \
if (PyType_Ready(type) == -1) RETURN(0); \
Py_INCREF(type); \
PyModule_AddObject(mod,name,(PyObject *)type); }
#if PY_MAJOR_VERSION >= 3
static struct PyModuleDef moduledef = {
PyModuleDef_HEAD_INIT,
"apt_inst",
apt_inst_doc,
-1,
methods,
0,
0,
0,
0
};
#define RETURN(x) return x
extern "C" PyObject * PyInit_apt_inst()
#else
extern "C" void initapt_inst()
#define RETURN(x)
#endif
{
#if PY_MAJOR_VERSION >= 3
PyObject *module = PyModule_Create(&moduledef);
#else
PyObject *module = Py_InitModule3("apt_inst",methods, apt_inst_doc);
#endif
ADDTYPE(module,"ArMember",&PyArMember_Type);
ADDTYPE(module,"ArArchive",&PyArArchive_Type);
ADDTYPE(module,"DebFile",&PyDebFile_Type);
ADDTYPE(module,"TarFile",&PyTarFile_Type);
ADDTYPE(module,"TarMember",&PyTarMember_Type);
RETURN(module);
}
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