diff options
| -rw-r--r-- | debian/changelog | 3 | ||||
| -rw-r--r-- | python/apt_pkgmodule.cc | 1 | ||||
| -rw-r--r-- | python/apt_pkgmodule.h | 3 | ||||
| -rw-r--r-- | python/makefile | 2 | ||||
| -rw-r--r-- | python/policy.cc | 189 |
5 files changed, 196 insertions, 2 deletions
diff --git a/debian/changelog b/debian/changelog index 818bf630..3e85c5be 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,9 +1,10 @@ python-apt (0.7.92) experimental; urgency=low * Add apt_pkg.HashString and apt_pkg.IndexRecords (Closes: #456141) + * Add apt_pkg.Policy class (Closes: #382725) * Allow types providing __new__() to be subclassed. - -- Julian Andres Klode <jak@debian.org> Tue, 09 Jun 2009 18:09:53 +0200 + -- Julian Andres Klode <jak@debian.org> Tue, 09 Jun 2009 20:39:39 +0200 python-apt (0.7.91) experimental; urgency=low diff --git a/python/apt_pkgmodule.cc b/python/apt_pkgmodule.cc index 95b72de4..3d76894d 100644 --- a/python/apt_pkgmodule.cc +++ b/python/apt_pkgmodule.cc @@ -606,6 +606,7 @@ extern "C" void initapt_pkg() ADDTYPE(Module,"SourceList",&PkgSourceListType); ADDTYPE(Module,"IndexRecords",&PyIndexRecords_Type); ADDTYPE(Module,"HashString",&PyHashString_Type); + ADDTYPE(Module,"Policy",&PyPolicy_Type); // Tag file constants PyModule_AddObject(Module,"REWRITE_PACKAGE_ORDER", CharCharToList(TFRewritePackageOrder)); diff --git a/python/apt_pkgmodule.h b/python/apt_pkgmodule.h index 043e29cc..21355072 100644 --- a/python/apt_pkgmodule.h +++ b/python/apt_pkgmodule.h @@ -114,4 +114,7 @@ extern PyTypeObject PyHashString_Type; // IndexRecord extern PyTypeObject PyIndexRecords_Type; +// Policy +extern PyTypeObject PyPolicy_Type; + #endif diff --git a/python/makefile b/python/makefile index f4d559ce..6799d749 100644 --- a/python/makefile +++ b/python/makefile @@ -12,7 +12,7 @@ LIB_MAKES = apt-pkg/makefile APT_PKG_SRC = apt_pkgmodule.cc configuration.cc generic.cc tag.cc string.cc \ cache.cc pkgrecords.cc pkgsrcrecords.cc sourcelist.cc \ depcache.cc progress.cc cdrom.cc acquire.cc pkgmanager.cc \ - indexfile.cc metaindex.cc hashstring.cc indexrecords.cc + indexfile.cc metaindex.cc hashstring.cc indexrecords.cc policy.cc SOURCE := $(APT_PKG_SRC) include $(PYTHON_H) progress.h diff --git a/python/policy.cc b/python/policy.cc new file mode 100644 index 00000000..89604e9a --- /dev/null +++ b/python/policy.cc @@ -0,0 +1,189 @@ +/* + * policy.cc - Wrapper around pkgPolicy + * + * Copyright 2009 Julian Andres Klode <jak@debian.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ +#include <Python.h> +#include "apt_pkgmodule.h" +#include "generic.h" +#include <apt-pkg/policy.h> + +static PyObject *Policy_NEW(PyTypeObject *type,PyObject *Args, + PyObject *kwds) { + PyObject *cache; + char *kwlist[] = {"cache", NULL}; + if (PyArg_ParseTupleAndKeywords(Args, kwds, "O", kwlist, &cache) == 0) + return 0; + if (!PyObject_TypeCheck(cache, &PkgCacheType)) { + PyErr_SetString(PyExc_TypeError,"`cache` must be a apt_pkg.Cache()."); + return 0; + } + pkgPolicy *policy = new pkgPolicy(GetCpp<pkgCache *>(cache)); + return CppOwnedPyObject_NEW<pkgPolicy*>(cache,&PyPolicy_Type,policy); +} + +static char *Policy_GetPriority_doc = "get_priority(package: apt_pkg.Package)" + " -> int\n\n" + "Return the priority of the package."; + +PyObject *Policy_GetPriority(PyObject *self, PyObject *arg) { + pkgPolicy *policy = GetCpp<pkgPolicy *>(self); + if (PyObject_TypeCheck(arg, &PackageType)) { + pkgCache::PkgIterator pkg = GetCpp<pkgCache::PkgIterator>(arg); + return Py_BuildValue("i", policy->GetPriority(pkg)); + } else { + PyErr_SetString(PyExc_TypeError,"Argument must be of Package()."); + return 0; + } +} + +static char *Policy_GetCandidateVer_doc = "get_match(package: apt_pkg.Package)" + " -> apt_pkg.Version\n\n" + "Get the best package for the job."; + +PyObject *Policy_GetCandidateVer(PyObject *self, PyObject *arg) { + if (PyObject_TypeCheck(arg, &PackageType)) { + pkgPolicy *policy = GetCpp<pkgPolicy *>(self); + pkgCache::PkgIterator pkg = GetCpp<pkgCache::PkgIterator>(arg); + pkgCache::VerIterator ver = policy->GetCandidateVer(pkg); + return CppOwnedPyObject_NEW<pkgCache::VerIterator>(arg,&VersionType, + ver); + } else { + PyErr_SetString(PyExc_TypeError,"Argument must be of Package()."); + return 0; + } +} + +static char *Policy_GetMatch_doc = "get_match(package: apt_pkg.Package) -> " + "apt_pkg.Version\n\n" + "Return a matching version for the given package."; + +static PyObject *Policy_GetMatch(PyObject *self, PyObject *arg) { + if (PyObject_TypeCheck(arg, &PackageType) == 0) { + PyErr_SetString(PyExc_TypeError,"Argument must be of Package()."); + return 0; + } + pkgPolicy *policy = GetCpp<pkgPolicy *>(self); + pkgCache::PkgIterator pkg = GetCpp<pkgCache::PkgIterator>(arg); + pkgCache::VerIterator ver = policy->GetMatch(pkg); + return CppOwnedPyObject_NEW<pkgCache::VerIterator>(arg,&VersionType,ver); +} + +static char *Policy_ReadPinFile_doc = "read_pinfile(filename: str) -> bool\n\n" + "Read the pin file given by filename (e.g. '/etc/apt/preferences') and\n" + "add it to the policy."; + +static PyObject *Policy_ReadPinFile(PyObject *self, PyObject *arg) { + if (!PyString_Check(arg)) + return 0; + pkgPolicy *policy = GetCpp<pkgPolicy *>(self); + + return PyBool_FromLong(ReadPinFile(*policy, PyString_AsString(arg))); +} + +static char *Policy_CreatePin_doc = "create_pin(type: str, pkg: str, " + "data: str, priority: int)\n\n" + "Create a pin for the policy. The parameter 'type' refers to one of the\n" + "following strings: 'Version', 'Release', 'Origin'. The argument 'pkg'\n" + "is the name of the package, the parameter 'data' refers to the value\n" + "e.g. unstable for type='Release' and the other possible options. \n" + "The parameter 'priority' gives the priority of the pin."; + +static PyObject *Policy_CreatePin(PyObject *self, PyObject *args) { + pkgVersionMatch::MatchType match_type; + const char *type, *pkg, *data; + signed short priority; + if (PyArg_ParseTuple(args, "sssh", &type, &pkg, &data, &priority) == 0) + return 0; + pkgPolicy *policy = GetCpp<pkgPolicy *>(self); + if (type == "Version" || type == "version") + match_type = pkgVersionMatch::Version; + if (type == "Release" || type == "release") + match_type = pkgVersionMatch::Release; + if (type == "Origin" || type == "origin") + match_type = pkgVersionMatch::Origin; + else + match_type = pkgVersionMatch::None; + policy->CreatePin(match_type,pkg,data,priority); + HandleErrors(); + Py_RETURN_NONE; +} + +static PyMethodDef Policy_Methods[] = { + {"get_priority",(PyCFunction)Policy_GetPriority,METH_O, + Policy_GetPriority_doc}, + {"get_candidate_ver",(PyCFunction)Policy_GetCandidateVer,METH_O, + Policy_GetCandidateVer_doc}, + {"read_pinfile",(PyCFunction)Policy_ReadPinFile,METH_O, + Policy_ReadPinFile_doc}, + {"create_pin",Policy_CreatePin,METH_VARARGS,Policy_CreatePin_doc}, + {"get_match",(PyCFunction)Policy_GetMatch,METH_O, Policy_GetMatch_doc}, + {} +}; + +static char *Policy_doc = "Policy(cache)\n\n" + "Representation of the policy of the Cache object given by cache. This\n" + "provides a superset of policy-related functionality compared to the\n" + "DepCache class. The DepCache can be used for most purposes, but there\n" + "may be some cases where a special policy class is needed."; + +PyTypeObject PyPolicy_Type = { + PyObject_HEAD_INIT(&PyType_Type) +#if PY_MAJOR_VERSION < 3 + 0, // ob_size +#endif + "apt_pkg.Policy", // tp_name + sizeof(CppOwnedPyObject<pkgPolicy*>),// tp_basicsize + 0, // tp_itemsize + // Methods + CppOwnedDealloc<pkgPolicy*>, // 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 + 0, // tp_str + 0, // tp_getattro + 0, // tp_setattro + 0, // tp_as_buffer + (Py_TPFLAGS_DEFAULT | // tp_flags + Py_TPFLAGS_BASETYPE), + Policy_doc, // tp_doc + 0, // tp_traverse + 0, // tp_clear + 0, // tp_richcompare + 0, // tp_weaklistoffset + 0, // tp_iter + 0, // tp_iternext + Policy_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 + Policy_NEW, // tp_new +}; |