Attachment 580 Details for Bug 1557 – add openand read to py_smb

[patch] add openand read to py_smb

samba-3.0.5rc1-py_smb-open-read.patch (text/plain), 3.29 KB, created by Daniel Jarboe on 2004-07-23 08:54:54 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Daniel Jarboe

Created: 2004-07-23 08:54:54 UTC

Size: 3.29 KB

patch

obsolete

>--- source/python/py_smb.c.orig	2004-07-23 09:04:56.000000000 -0400
>+++ source/python/py_smb.c	2004-07-23 11:52:12.000000000 -0400
>@@ -178,6 +178,83 @@
> 	return PyInt_FromLong(result);
> }
> 
>+static PyObject *py_smb_open(PyObject *self, PyObject *args, PyObject *kw)
>+{
>+	cli_state_object *cli = (cli_state_object *)self;
>+	static char *kwlist[] = { "filename", "flags", 
>+				  "share_mode", NULL };
>+	char *filename;
>+	uint32 flags, share_mode = DENY_NONE;
>+	int result;
>+
>+	/* Parse parameters */
>+
>+	if (!PyArg_ParseTupleAndKeywords(
>+		    args, kw, "si|i", kwlist, &filename, &flags, &share_mode))
>+		return NULL;
>+
>+	result = cli_open(cli->cli, filename, flags, share_mode);
>+
>+	if (cli_is_error(cli->cli)) {
>+		PyErr_SetString(PyExc_RuntimeError, "open failed");
>+		return NULL;
>+	}
>+
>+	/* Return FID */
>+
>+	return PyInt_FromLong(result);
>+}
>+
>+static PyObject *py_smb_read(PyObject *self, PyObject *args, PyObject *kw)
>+{
>+	cli_state_object *cli = (cli_state_object *)self;
>+	static char *kwlist[] = { "fnum", "offset", "size", NULL };
>+	int fnum, offset=0, size=0;
>+	ssize_t result;
>+	size_t fsize;
>+	char *data;
>+	PyObject *ret;
>+
>+	/* Parse parameters */
>+
>+	if (!PyArg_ParseTupleAndKeywords(
>+		    args, kw, "i|ii", kwlist, &fnum, &offset, &size))
>+		return NULL;
>+
>+	if (!cli_qfileinfo(cli->cli, fnum, NULL, &fsize, NULL, NULL,
>+		    NULL, NULL, NULL) &&
>+	    !cli_getattrE(cli->cli, fnum, NULL, &fsize, NULL, NULL, NULL)) {
>+		PyErr_SetString(PyExc_RuntimeError, "getattrib failed");
>+		return NULL;
>+	}
>+
>+	if (offset < 0)
>+		offset = 0;
>+
>+	if (size < 1 || size > fsize - offset)
>+		size = fsize - offset;
>+
>+	if (!(data = (char *) malloc((size_t) size))) {
>+		PyErr_SetString(PyExc_RuntimeError, "malloc failed");
>+		return NULL;
>+	}
>+
>+	result = cli_read(cli->cli, fnum, data, (off_t) offset, (size_t) size);
>+
>+	if (result==-1 || cli_is_error(cli->cli)) {
>+		SAFE_FREE(data);
>+		PyErr_SetString(PyExc_RuntimeError, "read failed");
>+		return NULL;
>+	}
>+
>+	/* Return a python string */
>+
>+	ret = Py_BuildValue("s#", data, result);
>+	SAFE_FREE(data);
>+
>+	return ret;
>+}
>+
> static PyObject *py_smb_close(PyObject *self, PyObject *args,
> 			      PyObject *kw)
> {
>@@ -322,6 +399,33 @@
> 	{ "nt_create_andx", (PyCFunction)py_smb_nt_create_andx,
> 	  METH_VARARGS | METH_KEYWORDS, "NT Create&X" },
> 
>+	{ "open", (PyCFunction)py_smb_open,
>+	  METH_VARARGS | METH_KEYWORDS,
>+	  "Open a file\n"
>+"\n"
>+"This function returns a fnum handle to an open file.  The file is\n"
>+"opened with flags and optional share mode.  If unspecified, the\n"
>+"default share mode is DENY_NONE\n"
>+"\n"
>+"Example:\n"
>+"\n"
>+">>> fnum=conn.open(filename, os.O_RDONLY)" },
>+
>+	{ "read", (PyCFunction)py_smb_read,
>+	  METH_VARARGS | METH_KEYWORDS,
>+	  "Read from an open file\n"
>+"\n"
>+"This function returns a string read from an open file starting at\n"
>+"offset for size bytes (until EOF is reached).  If unspecified, the\n"
>+"default offset is 0, and default size is the remainder of the file.\n"
>+"\n"
>+"Example:\n"
>+"\n"
>+">>> conn.read(fnum)           # read entire file\n"
>+">>> conn.read(fnum,5)         # read entire file from offset 5\n"
>+">>> conn.read(fnum,size=64)   # read 64 bytes from start of file\n"
>+">>> conn.read(fnum,4096,1024) # read 1024 bytes from offset 4096\n" },
>+
> 	{ "close", (PyCFunction)py_smb_close,
> 	  METH_VARARGS | METH_KEYWORDS, "Close" },
>

Actions: View

Attachments on bug 1557: 579 | 580