add 0004-python-systemd-namespaces.patch
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152
0004-python-systemd-namespaces.patch
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152
0004-python-systemd-namespaces.patch
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@ -0,0 +1,152 @@
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diff -Naur python-systemd-234-orig/systemd/journal.py python-systemd-234/systemd/journal.py
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--- python-systemd-234-orig/systemd/journal.py 2017-03-25 21:33:59.000000000 -0400
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+++ python-systemd-234/systemd/journal.py 2021-09-16 15:19:58.140761181 -0400
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@@ -140,7 +140,7 @@
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journal.
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"""
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- def __init__(self, flags=None, path=None, files=None, converters=None):
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+ def __init__(self, flags=None, path=None, files=None, converters=None, namespace=None):
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"""Create a new Reader.
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Argument `flags` defines the open flags of the journal, which can be one
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@@ -149,8 +149,8 @@
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and SYSTEM_ONLY opens only journal files of system services and the kernel.
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Argument `path` is the directory of journal files, either a file system
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- path or a file descriptor. Note that `flags`, `path`, and `files` are
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- exclusive.
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+ path or a file descriptor. Specify `namespace` to read from specific journal
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+ namespace. Note that `flags`, `path`, `files` and `namespace` are exclusive.
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Argument `converters` is a dictionary which updates the
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DEFAULT_CONVERTERS to convert journal field values. Field names are used
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@@ -171,7 +171,7 @@
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else:
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flags = 0
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- super(Reader, self).__init__(flags, path, files)
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+ super(Reader, self).__init__(flags, path, files, namespace)
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if _sys.version_info >= (3, 3):
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self.converters = _ChainMap()
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if converters is not None:
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diff -Naur python-systemd-234-orig/systemd/_reader.c python-systemd-234/systemd/_reader.c
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--- python-systemd-234-orig/systemd/_reader.c 2021-09-16 15:19:21.536553650 -0400
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+++ python-systemd-234/systemd/_reader.c 2021-09-16 15:19:58.140761181 -0400
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@@ -49,6 +49,12 @@
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# define HAVE_HAS_PERSISTENT_FILES
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#endif
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+#if LIBSYSTEMD_VERSION >= 245
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+# define HAVE_JOURNAL_OPEN_NAMESPACE 1
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+#else
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+# define HAVE_JOURNAL_OPEN_NAMESPACE 0
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+#endif
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+
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#if LIBSYSTEMD_VERSION >= 230
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# define HAVE_JOURNAL_OPEN_DIRECTORY_FD
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#else
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@@ -89,17 +95,17 @@
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* Convert a str or bytes object into a C-string path.
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* Returns NULL on error.
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*/
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-static char* convert_path(PyObject *path, PyObject **bytes) {
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+static char* str_converter(PyObject *str, PyObject **bytes) {
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#if PY_MAJOR_VERSION >=3 && PY_MINOR_VERSION >= 1
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int r;
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- r = PyUnicode_FSConverter(path, bytes);
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+ r = PyUnicode_FSConverter(str, bytes);
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if (r == 0)
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return NULL;
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return PyBytes_AsString(*bytes);
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#else
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- return PyString_AsString(path);
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+ return PyString_AsString(str);
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#endif
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}
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@@ -146,7 +152,7 @@
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char *s;
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item = PySequence_ITEM(obj, i);
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- s = convert_path(item, &bytes);
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+ s = str_converter(item, &bytes);
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if (!s)
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goto cleanup;
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@@ -225,7 +231,7 @@
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}
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PyDoc_STRVAR(Reader__doc__,
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- "_Reader([flags | path | files]) -> ...\n\n"
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+ "_Reader([flags | path | files | namespace]) -> ...\n\n"
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"_Reader allows filtering and retrieval of Journal entries.\n"
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"Note: this is a low-level interface, and probably not what you\n"
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"want, use systemd.journal.Reader instead.\n\n"
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@@ -236,23 +242,25 @@
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"OS_ROOT is used to open the journal from directories relative to the specified\n"
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"directory path or file descriptor.\n"
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"\n"
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- "Instead of opening the system journal, argument `path` may specify a directory\n"
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- "which contains the journal. It maybe be either a file system path (a string), or\n"
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- "a file descriptor (an integer). Alternatively, argument `files` may specify a list\n"
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- "of journal file names. Note that `flags`, `path`, `files`, `directory_fd` are\n"
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- "exclusive.\n\n"
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+ "If `namespace` argument is specified, the specific journal namespace will be open\n"
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+ "(supported since systemd v245). Instead of opening the system journal, argument\n"
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+ "`path` may specify a directory which contains the journal. It maybe be either\n"
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+ "a file system path (a string), or a file descriptor (an integer). Alternatively,\n"
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+ "argument `files` may specify a list of journal file names. Note that `flags`, `path`,\n"
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+ "`files`, `directory_fd`, `namespace` are exclusive.\n\n"
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"_Reader implements the context manager protocol: the journal will be closed when\n"
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"exiting the block.");
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static int Reader_init(Reader *self, PyObject *args, PyObject *keywds) {
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unsigned flags = SD_JOURNAL_LOCAL_ONLY;
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- PyObject *_path = NULL, *_files = NULL;
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+ PyObject *_path = NULL, *_files = NULL, *_namespace = NULL;
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int r;
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- static const char* const kwlist[] = {"flags", "path", "files", NULL};
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- if (!PyArg_ParseTupleAndKeywords(args, keywds, "|iO&O&:__init__", (char**) kwlist,
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+ static const char* const kwlist[] = {"flags", "path", "files", "namespace", NULL};
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+ if (!PyArg_ParseTupleAndKeywords(args, keywds, "|iO&O&O&:__init__", (char**) kwlist,
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&flags,
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null_converter, &_path,
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- null_converter, &_files))
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+ null_converter, &_files,
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+ null_converter, &_namespace))
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return -1;
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if (!!_path + !!_files > 1) {
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@@ -279,7 +287,7 @@
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char *path = NULL;
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_cleanup_Py_DECREF_ PyObject *path_bytes = NULL;
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- path = convert_path(_path, &path_bytes);
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+ path = str_converter(_path, &path_bytes);
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if (!path)
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return -1;
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@@ -319,6 +327,20 @@
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r = -ENOSYS;
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#endif
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}
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+ } else if (_namespace) {
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+#if HAVE_JOURNAL_OPEN_NAMESPACE
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+ char *namespace = NULL;
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+ _cleanup_Py_DECREF_ PyObject *ns_bytes = NULL;
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+ namespace = str_converter(_namespace, &ns_bytes);
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+ if (!namespace)
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+ return -1;
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+
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+ Py_BEGIN_ALLOW_THREADS
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+ r = sd_journal_open_namespace(&self->j, namespace, flags);
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+ Py_END_ALLOW_THREADS
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+#else
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+ r = -ENOSYS;
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+#endif
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} else {
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Py_BEGIN_ALLOW_THREADS
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r = sd_journal_open(&self->j, flags);
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