mirror of
https://git.launchpad.net/~ubuntu-release/britney/+git/britney2-ubuntu
synced 2025-04-08 09:41:43 +00:00
Implemented buildSystem, removeBinary and addBinary for the c extension; added a sample python script.
This commit is contained in:
Fabio Tranchitella
parent
6add268c45
commit
a0dc325294
@ -1,10 +0,0 @@
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assert.o: assert.c
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britney-py.o: britney-py.c dpkg.h templates.h memory.h
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checklib.o: checklib.c dpkg.h templates.h memory.h
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dpkg.o: dpkg.c dpkg.h templates.h memory.h
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freelist.o: freelist.c templates.h memory.h
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memory2.o: memory2.c
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memory3.o: memory3.c memory.h templates.h freelist.h
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memory.o: memory.c memory.h templates.h freelist.h
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dpkg-lib.o: dpkg-lib.cpp dpkg.h templates.h memory.h
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Makefile.dep : Makefile assert.c britney-py.c checklib.c dpkg.c freelist.c memory2.c memory3.c memory.c dpkg.h freelist.h memory.h templates.h
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166
lib/britney-py.c
166
lib/britney-py.c
@ -852,6 +852,168 @@ static PyObject *apt_versioncmp(PyObject *self, PyObject *args) {
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return Py_BuildValue("i", res);
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}
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/**************************************************************************
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* britney.buildSystem() -- build a fake package system, with the only purpose of
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* calling the is_installable method on the packages.
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******************************************************/
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static PyObject *build_system(PyObject *self, PyObject *args) {
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int pos = 0;
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char *arch;
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PyObject *pkgs, *key, *value, *pyString;
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(void)self; /* unused */
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if (!PyArg_ParseTuple(args, "sO", &arch, &pkgs) ||
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!PyDict_Check(pkgs)) return NULL;
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/* Fields and positions for the binary package:
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# VERSION = 0
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# SECTION = 1
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# SOURCE = 2
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# SOURCEVER = 3
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# ARCHITECTURE = 4
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# PREDEPENDS = 5
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# DEPENDS = 6
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# CONFLICTS = 7
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# PROVIDES = 8
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# RDEPENDS = 9
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# RCONFLICTS = 10
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*/
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dpkg_packages *dpkg_pkgs = new_packages(arch);
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/* loop on the dictionary keys to build the packages */
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while (PyDict_Next(pkgs, &pos, &key, &value)) {
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/* initialize the new package */
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dpkg_package *pkg;
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pkg = block_malloc(sizeof(dpkg_package));
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pkg->package = PyString_AsString(key);
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pkg->priority = 0;
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pkg->details = NULL;
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pkg->depends[2] = NULL;
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pkg->depends[3] = NULL;
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pyString = PyList_GetItem(value, 0);
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if (pyString == NULL) continue;
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pkg->version = PyString_AsString(pyString);
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pyString = PyList_GetItem(value, 2);
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if (pyString == NULL) continue;
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pkg->source = PyString_AsString(pyString);
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pyString = PyList_GetItem(value, 3);
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if (pyString == NULL) continue;
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pkg->source_ver = PyString_AsString(pyString);
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pyString = PyList_GetItem(value, 4);
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if (pyString == NULL) continue;
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pkg->arch_all = (!strcmp(PyString_AsString(pyString), "all") ? 1 : 0);
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pyString = PyList_GetItem(value, 5);
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if (pyString == NULL) continue;
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pkg->depends[0] = read_dep_andor(PyString_AsString(pyString));
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pyString = PyList_GetItem(value, 6);
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if (pyString == NULL) continue;
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pkg->depends[1] = read_dep_andor(PyString_AsString(pyString));
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pyString = PyList_GetItem(value, 7);
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if (pyString == NULL) continue;
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pkg->conflicts = read_dep_and(PyString_AsString(pyString));
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pyString = PyList_GetItem(value, 8);
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if (pyString == NULL) continue;
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pkg->provides = read_packagenames(PyString_AsString(pyString));
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add_package(dpkg_pkgs, pkg);
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}
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dpkgpackages *res;
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res = PyObject_NEW(dpkgpackages, &Packages_Type);
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if (res == NULL) return NULL;
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res->pkgs = dpkg_pkgs;
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res->freeme = FREE;
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res->ref = NULL;
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return (PyObject *)res;
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}
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static PyObject *remove_binary(PyObject *self, PyObject *args) {
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char *pkg_name;
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dpkgpackages *pkgs;
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(void)self; /* unused */
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if (!PyArg_ParseTuple(args, "Os", &pkgs, &pkg_name))
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return NULL;
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dpkg_collected_package *cpkg = lookup_packagetbl(pkgs->pkgs->packages, pkg_name);
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if (cpkg == NULL) return Py_BuildValue("i", 0);
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remove_package(pkgs->pkgs, cpkg);
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return Py_BuildValue("i", 1);
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}
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static PyObject *add_binary(PyObject *self, PyObject *args) {
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char *pkg_name;
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dpkgpackages *pkgs;
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PyObject *value, *pyString;
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(void)self; /* unused */
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if (!PyArg_ParseTuple(args, "OsO", &pkgs, &pkg_name, &value) ||
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!PyList_Check(value)) return NULL;
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/* initialize the new package */
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dpkg_package *pkg;
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pkg = block_malloc(sizeof(dpkg_package));
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pkg->package = pkg_name;
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pkg->priority = 0;
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pkg->details = NULL;
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pkg->depends[2] = NULL;
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pkg->depends[3] = NULL;
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pyString = PyList_GetItem(value, 0);
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if (pyString == NULL) return NULL;
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pkg->version = PyString_AsString(pyString);
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pyString = PyList_GetItem(value, 2);
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if (pyString == NULL) return NULL;
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pkg->source = PyString_AsString(pyString);
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pyString = PyList_GetItem(value, 3);
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if (pyString == NULL) return NULL;
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pkg->source_ver = PyString_AsString(pyString);
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pyString = PyList_GetItem(value, 4);
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if (pyString == NULL) return NULL;
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pkg->arch_all = (!strcmp(PyString_AsString(pyString), "all") ? 1 : 0);
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pyString = PyList_GetItem(value, 5);
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if (pyString == NULL) return NULL;
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pkg->depends[0] = read_dep_andor(PyString_AsString(pyString));
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pyString = PyList_GetItem(value, 6);
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if (pyString == NULL) return NULL;
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pkg->depends[1] = read_dep_andor(PyString_AsString(pyString));
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pyString = PyList_GetItem(value, 7);
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if (pyString == NULL) return NULL;
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pkg->conflicts = read_dep_and(PyString_AsString(pyString));
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pyString = PyList_GetItem(value, 8);
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if (pyString == NULL) return NULL;
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pkg->provides = read_packagenames(PyString_AsString(pyString));
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add_package(pkgs->pkgs, pkg);
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return Py_BuildValue("i", 1);
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}
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/**************************************************************************
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* module initialisation
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***********************/
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@ -862,6 +1024,10 @@ static PyMethodDef britneymethods[] = {
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{ "versioncmp", apt_versioncmp, METH_VARARGS, NULL },
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{ "buildSystem", build_system, METH_VARARGS, NULL },
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{ "removeBinary", remove_binary, METH_VARARGS, NULL },
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{ "addBinary", add_binary, METH_VARARGS, NULL },
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{ NULL, NULL, 0, NULL }
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};
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20
lib/dpkg.c
20
lib/dpkg.c
@ -19,9 +19,9 @@ static dpkg_package *read_package( FILE *f );
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static collpackagelist **get_matching_low(collpackagelist **addto,
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dpkg_packages *pkgs, dependency *dep, int line);
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static collpackagelist *get_matching(dpkg_packages *pkgs, deplist *depopts, int line);
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static deplist *read_dep_and(char *buf);
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static deplistlist *read_dep_andor(char *buf);
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static ownedpackagenamelist *read_packagenames(char *buf);
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deplist *read_dep_and(char *buf);
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deplistlist *read_dep_andor(char *buf);
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ownedpackagenamelist *read_packagenames(char *buf);
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static dpkg_sources *read_sources_file(char *filename, int n_arches);
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static dpkg_source *new_source(dpkg_sources *owner);
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static dpkg_source *read_source(FILE *f, dpkg_sources *owner);
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@ -33,8 +33,8 @@ static void remove_virtualpackage(virtualpkgtbl *vpkgs, char *pkgname,
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dpkg_collected_package *cpkg);
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static char *read_packagename(char **buf, char *end);
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static char *read_until_char(char **buf, char *end);
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static void add_package(dpkg_packages *pkgs, dpkg_package *pkg);
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static void remove_package(dpkg_packages *pkgs, dpkg_collected_package *pkg);
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void add_package(dpkg_packages *pkgs, dpkg_package *pkg);
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void remove_package(dpkg_packages *pkgs, dpkg_collected_package *pkg);
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static dpkg_source_note *copy_source_note(dpkg_source_note *srcn);
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#if 0
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@ -483,7 +483,7 @@ dpkg_packages *new_packages(char *arch) {
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return result;
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}
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static void add_package(dpkg_packages *pkgs, dpkg_package *pkg)
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void add_package(dpkg_packages *pkgs, dpkg_package *pkg)
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{
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ownedpackagenamelist *v;
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dpkg_collected_package *cpkg;
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@ -502,7 +502,7 @@ static void add_package(dpkg_packages *pkgs, dpkg_package *pkg)
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}
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}
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static void remove_package(dpkg_packages *pkgs, dpkg_collected_package *cpkg) {
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void remove_package(dpkg_packages *pkgs, dpkg_collected_package *cpkg) {
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ownedpackagenamelist *v;
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packagenamelist *aff;
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dpkg_collected_package *p;
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@ -626,7 +626,7 @@ static void add_virtualpackage(virtualpkgtbl *vpkgs, char *package,
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* Parsing Helper Functions
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*/
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static ownedpackagenamelist *read_packagenames(char *buf) {
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ownedpackagenamelist *read_packagenames(char *buf) {
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ownedpackagenamelist *result = NULL;
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ownedpackagenamelist **addto = &result;
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@ -688,7 +688,7 @@ static char *read_packagename(char **buf, char *end) {
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return read_until_char(buf, end);
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}
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static deplist *read_dep_and(char *buf) {
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deplist *read_dep_and(char *buf) {
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return read_deplist(&buf, ',', '\0');
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}
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@ -723,7 +723,7 @@ static deplist *read_deplist(char **buf, char sep, char end) {
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return result;
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}
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static deplistlist *read_dep_andor(char *buf) {
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deplistlist *read_dep_andor(char *buf) {
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deplistlist *result = NULL;
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deplistlist **addto = &result;
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@ -204,4 +204,11 @@ void commit_changes(dpkg_sources_note *srcsn);
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int versioncmp(char *left, char *right);
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int cmpversions(char *left, int op, char *right);
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void add_package(dpkg_packages *pkgs, dpkg_package *pkg);
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void remove_package(dpkg_packages *pkgs, dpkg_collected_package *pkg);
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deplist *read_dep_and(char *buf);
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deplistlist *read_dep_andor(char *buf);
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ownedpackagenamelist *read_packagenames(char *buf);
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dpkg_packages *new_packages(char *arch);
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#endif
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27
lib/example.py
Executable file
27
lib/example.py
Executable file
@ -0,0 +1,27 @@
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#!/usr/bin/env python
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import sys
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import britney
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# VERSION = 0
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# SECTION = 1
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# SOURCE = 2
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# SOURCEVER = 3
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# ARCHITECTURE = 4
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# PREDEPENDS = 5
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# DEPENDS = 6
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# CONFLICTS = 7
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# PROVIDES = 8
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# RDEPENDS = 9
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# RCONFLICTS = 10
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packages = {'phpldapadmin': ['1.0', 'web', 'phpldapadmin', '1.0', 'all', '', 'apache2 (>= 2.0)', '', '', [], []],
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'apache2': ['2.0', 'web', 'apache2', '2.0', 'i386', '', '', 'phpldapadmin (<= 1.0~)', '', [], []],
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}
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system = britney.buildSystem('i386', packages)
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print system.is_installable('phpldapadmin'), system.packages
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britney.removeBinary(system, 'apache2')
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print system.is_installable('phpldapadmin'), system.packages
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britney.addBinary(system, 'apache2', ['2.0', 'web', 'apache2', '2.0', 'i386', '', '', 'phpldapadmin (<= 1.0~)', '', [], []])
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print system.is_installable('phpldapadmin'), system.packages
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