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cpython/PC/_msi.c

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/* Helper library for MSI creation with Python.
* Copyright (C) 2005 Martin v. Löwis
* Licensed to PSF under a contributor agreement.
*/
#include <Python.h>
#include <fci.h>
#include <fcntl.h>
#include <windows.h>
#include <msi.h>
#include <msiquery.h>
#include <msidefs.h>
#include <rpc.h>
/*[clinic input]
module _msi
class _msi.Record "msiobj *" "&record_Type"
class _msi.SummaryInformation "msiobj *" "&summary_Type"
class _msi.View "msiobj *" "&msiview_Type"
class _msi.Database "msiobj *" "&msidb_Type"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=89a3605762cf4bdc]*/
static PyObject *MSIError;
/*[clinic input]
_msi.UuidCreate
Return the string representation of a new unique identifier.
[clinic start generated code]*/
static PyObject *
_msi_UuidCreate_impl(PyObject *module)
/*[clinic end generated code: output=534ecf36f10af98e input=168024ab4b3e832b]*/
{
UUID result;
wchar_t *cresult;
PyObject *oresult;
/* May return ok, local only, and no address.
For local only, the documentation says we still get a uuid.
For RPC_S_UUID_NO_ADDRESS, it's not clear whether we can
use the result. */
if (UuidCreate(&result) == RPC_S_UUID_NO_ADDRESS) {
PyErr_SetString(PyExc_NotImplementedError, "processing 'no address' result");
return NULL;
}
if (UuidToStringW(&result, &cresult) == RPC_S_OUT_OF_MEMORY) {
PyErr_SetString(PyExc_MemoryError, "out of memory in uuidgen");
return NULL;
}
oresult = PyUnicode_FromWideChar(cresult, wcslen(cresult));
RpcStringFreeW(&cresult);
return oresult;
}
/* Helper for converting file names from UTF-8 to wchat_t*. */
static wchar_t *
utf8_to_wchar(const char *s, int *err)
{
PyObject *obj = PyUnicode_FromString(s);
if (obj == NULL) {
if (PyErr_ExceptionMatches(PyExc_MemoryError)) {
*err = ENOMEM;
}
else {
*err = EINVAL;
}
PyErr_Clear();
return NULL;
}
wchar_t *ws = PyUnicode_AsWideCharString(obj, NULL);
if (ws == NULL) {
*err = ENOMEM;
PyErr_Clear();
}
Py_DECREF(obj);
return ws;
}
/* FCI callback functions */
static FNFCIALLOC(cb_alloc)
{
return PyMem_RawMalloc(cb);
}
static FNFCIFREE(cb_free)
{
PyMem_RawFree(memory);
}
static FNFCIOPEN(cb_open)
{
wchar_t *ws = utf8_to_wchar(pszFile, err);
if (ws == NULL) {
return -1;
}
int result = _wopen(ws, oflag | O_NOINHERIT, pmode);
PyMem_Free(ws);
if (result == -1)
*err = errno;
return result;
}
static FNFCIREAD(cb_read)
{
UINT result = (UINT)_read((int)hf, memory, cb);
if (result != cb)
*err = errno;
return result;
}
static FNFCIWRITE(cb_write)
{
UINT result = (UINT)_write((int)hf, memory, cb);
if (result != cb)
*err = errno;
return result;
}
static FNFCICLOSE(cb_close)
{
int result = _close((int)hf);
if (result != 0)
*err = errno;
return result;
}
static FNFCISEEK(cb_seek)
{
long result = (long)_lseek((int)hf, dist, seektype);
if (result == -1)
*err = errno;
return result;
}
static FNFCIDELETE(cb_delete)
{
wchar_t *ws = utf8_to_wchar(pszFile, err);
if (ws == NULL) {
return -1;
}
int result = _wremove(ws);
PyMem_Free(ws);
if (result != 0)
*err = errno;
return result;
}
static FNFCIFILEPLACED(cb_fileplaced)
{
return 0;
}
static FNFCIGETTEMPFILE(cb_gettempfile)
{
char *name = _tempnam("", "tmp");
if ((name != NULL) && ((int)strlen(name) < cbTempName)) {
strcpy(pszTempName, name);
free(name);
return TRUE;
}
if (name) free(name);
return FALSE;
}
static FNFCISTATUS(cb_status)
{
if (pv) {
_Py_IDENTIFIER(status);
PyObject *result = _PyObject_CallMethodId(pv, &PyId_status, "iii", typeStatus, cb1, cb2);
if (result == NULL)
return -1;
Py_DECREF(result);
}
return 0;
}
static FNFCIGETNEXTCABINET(cb_getnextcabinet)
{
if (pv) {
_Py_IDENTIFIER(getnextcabinet);
PyObject *result = _PyObject_CallMethodId(pv, &PyId_getnextcabinet, "i", pccab->iCab);
if (result == NULL)
return -1;
if (!PyBytes_Check(result)) {
PyErr_Format(PyExc_TypeError,
"Incorrect return type %s from getnextcabinet",
Py_TYPE(result)->tp_name);
Py_DECREF(result);
return FALSE;
}
strncpy(pccab->szCab, PyBytes_AsString(result), sizeof(pccab->szCab));
return TRUE;
}
return FALSE;
}
static FNFCIGETOPENINFO(cb_getopeninfo)
{
BY_HANDLE_FILE_INFORMATION bhfi;
FILETIME filetime;
HANDLE handle;
wchar_t *ws = utf8_to_wchar(pszName, err);
if (ws == NULL) {
return -1;
}
/* Need Win32 handle to get time stamps */
handle = CreateFileW(ws, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (handle == INVALID_HANDLE_VALUE) {
PyMem_Free(ws);
return -1;
}
if (GetFileInformationByHandle(handle, &bhfi) == FALSE) {
CloseHandle(handle);
PyMem_Free(ws);
return -1;
}
FileTimeToLocalFileTime(&bhfi.ftLastWriteTime, &filetime);
FileTimeToDosDateTime(&filetime, pdate, ptime);
*pattribs = (int)(bhfi.dwFileAttributes &
(_A_RDONLY | _A_SYSTEM | _A_HIDDEN | _A_ARCH));
CloseHandle(handle);
int result = _wopen(ws, _O_RDONLY | _O_BINARY | O_NOINHERIT);
PyMem_Free(ws);
return result;
}
/*[clinic input]
_msi.FCICreate
cabname: str
the name of the CAB file
files: object
a list of tuples, each containing the name of the file on disk,
and the name of the file inside the CAB file
/
Create a new CAB file.
[clinic start generated code]*/
static PyObject *
_msi_FCICreate_impl(PyObject *module, const char *cabname, PyObject *files)
/*[clinic end generated code: output=55dc05728361b799 input=1d2d75fdc8b44b71]*/
{
const char *p;
CCAB ccab;
HFCI hfci;
ERF erf;
Py_ssize_t i;
if (!PyList_Check(files)) {
PyErr_SetString(PyExc_TypeError, "FCICreate expects a list");
return NULL;
}
ccab.cb = INT_MAX; /* no need to split CAB into multiple media */
ccab.cbFolderThresh = 1000000; /* flush directory after this many bytes */
ccab.cbReserveCFData = 0;
ccab.cbReserveCFFolder = 0;
ccab.cbReserveCFHeader = 0;
ccab.iCab = 1;
ccab.iDisk = 1;
ccab.setID = 0;
ccab.szDisk[0] = '\0';
for (i = 0, p = cabname; *p; p++)
if (*p == '\\' || *p == '/')
i = p - cabname + 1;
if (i >= sizeof(ccab.szCabPath) ||
strlen(cabname+i) >= sizeof(ccab.szCab)) {
PyErr_SetString(PyExc_ValueError, "path name too long");
return 0;
}
if (i > 0) {
memcpy(ccab.szCabPath, cabname, i);
ccab.szCabPath[i] = '\0';
strcpy(ccab.szCab, cabname+i);
} else {
strcpy(ccab.szCabPath, ".\\");
strcpy(ccab.szCab, cabname);
}
hfci = FCICreate(&erf, cb_fileplaced, cb_alloc, cb_free,
cb_open, cb_read, cb_write, cb_close, cb_seek, cb_delete,
cb_gettempfile, &ccab, NULL);
if (hfci == NULL) {
PyErr_Format(PyExc_ValueError, "FCI error %d", erf.erfOper);
return NULL;
}
for (i=0; i < PyList_GET_SIZE(files); i++) {
PyObject *item = PyList_GET_ITEM(files, i);
char *filename, *cabname;
if (!PyArg_ParseTuple(item, "ss", &filename, &cabname)) {
PyErr_SetString(PyExc_TypeError, "FCICreate expects a list of tuples containing two strings");
FCIDestroy(hfci);
return NULL;
}
if (!FCIAddFile(hfci, filename, cabname, FALSE,
cb_getnextcabinet, cb_status, cb_getopeninfo,
tcompTYPE_MSZIP))
goto err;
}
if (!FCIFlushCabinet(hfci, FALSE, cb_getnextcabinet, cb_status))
goto err;
if (!FCIDestroy(hfci))
goto err;
Py_RETURN_NONE;
err:
if(erf.fError)
PyErr_Format(PyExc_ValueError, "FCI error %d", erf.erfOper); /* XXX better error type */
else
PyErr_SetString(PyExc_ValueError, "FCI general error");
FCIDestroy(hfci);
return NULL;
}
typedef struct msiobj{
PyObject_HEAD
MSIHANDLE h;
}msiobj;
static void
msiobj_dealloc(msiobj* msidb)
{
MsiCloseHandle(msidb->h);
msidb->h = 0;
PyObject_Free(msidb);
}
static PyObject*
msierror(int status)
{
int code;
char buf[2000];
char *res = buf;
DWORD size = sizeof(buf);
MSIHANDLE err = MsiGetLastErrorRecord();
if (err == 0) {
switch(status) {
case ERROR_ACCESS_DENIED:
PyErr_SetString(MSIError, "access denied");
return NULL;
case ERROR_FUNCTION_FAILED:
PyErr_SetString(MSIError, "function failed");
return NULL;
case ERROR_INVALID_DATA:
PyErr_SetString(MSIError, "invalid data");
return NULL;
case ERROR_INVALID_HANDLE:
PyErr_SetString(MSIError, "invalid handle");
return NULL;
case ERROR_INVALID_STATE:
PyErr_SetString(MSIError, "invalid state");
return NULL;
case ERROR_INVALID_PARAMETER:
PyErr_SetString(MSIError, "invalid parameter");
return NULL;
case ERROR_OPEN_FAILED:
PyErr_SetString(MSIError, "open failed");
return NULL;
case ERROR_CREATE_FAILED:
PyErr_SetString(MSIError, "create failed");
return NULL;
default:
PyErr_Format(MSIError, "unknown error %x", status);
return NULL;
}
}
code = MsiRecordGetInteger(err, 1); /* XXX code */
if (MsiFormatRecord(0, err, res, &size) == ERROR_MORE_DATA) {
res = malloc(size+1);
if (res == NULL) {
MsiCloseHandle(err);
return PyErr_NoMemory();
}
MsiFormatRecord(0, err, res, &size);
res[size]='\0';
}
MsiCloseHandle(err);
PyErr_SetString(MSIError, res);
if (res != buf)
free(res);
return NULL;
}
#include "clinic/_msi.c.h"
/*[clinic input]
_msi.Database.Close
Close the database object.
[clinic start generated code]*/
static PyObject *
_msi_Database_Close_impl(msiobj *self)
/*[clinic end generated code: output=ddf2d7712ea804f1 input=104330ce4a486187]*/
{
int status;
if ((status = MsiCloseHandle(self->h)) != ERROR_SUCCESS) {
return msierror(status);
}
self->h = 0;
Py_RETURN_NONE;
}
/*************************** Record objects **********************/
/*[clinic input]
_msi.Record.GetFieldCount
Return the number of fields of the record.
[clinic start generated code]*/
static PyObject *
_msi_Record_GetFieldCount_impl(msiobj *self)
/*[clinic end generated code: output=112795079c904398 input=5fb9d4071b28897b]*/
{
return PyLong_FromLong(MsiRecordGetFieldCount(self->h));
}
/*[clinic input]
_msi.Record.GetInteger
field: unsigned_int(bitwise=True)
/
Return the value of field as an integer where possible.
[clinic start generated code]*/
static PyObject *
_msi_Record_GetInteger_impl(msiobj *self, unsigned int field)
/*[clinic end generated code: output=7174ebb6e8ed1c79 input=d19209947e2bfe61]*/
{
int status;
status = MsiRecordGetInteger(self->h, field);
if (status == MSI_NULL_INTEGER){
PyErr_SetString(MSIError, "could not convert record field to integer");
return NULL;
}
return PyLong_FromLong((long) status);
}
/*[clinic input]
_msi.Record.GetString
field: unsigned_int(bitwise=True)
/
Return the value of field as a string where possible.
[clinic start generated code]*/
static PyObject *
_msi_Record_GetString_impl(msiobj *self, unsigned int field)
/*[clinic end generated code: output=f670d1b484cfa47c input=ffa11f21450b77d8]*/
{
unsigned int status;
WCHAR buf[2000];
WCHAR *res = buf;
DWORD size = sizeof(buf);
PyObject* string;
status = MsiRecordGetStringW(self->h, field, res, &size);
if (status == ERROR_MORE_DATA) {
res = (WCHAR*) malloc((size + 1)*sizeof(WCHAR));
if (res == NULL)
return PyErr_NoMemory();
status = MsiRecordGetStringW(self->h, field, res, &size);
}
if (status != ERROR_SUCCESS)
return msierror((int) status);
string = PyUnicode_FromWideChar(res, size);
if (buf != res)
free(res);
return string;
}
/*[clinic input]
_msi.Record.ClearData
Set all fields of the record to 0.
[clinic start generated code]*/
static PyObject *
_msi_Record_ClearData_impl(msiobj *self)
/*[clinic end generated code: output=1891467214b977f4 input=2a911c95aaded102]*/
{
int status = MsiRecordClearData(self->h);
if (status != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
/*[clinic input]
_msi.Record.SetString
field: int
value: Py_UNICODE
/
Set field to a string value.
[clinic start generated code]*/
static PyObject *
_msi_Record_SetString_impl(msiobj *self, int field, const Py_UNICODE *value)
/*[clinic end generated code: output=2e37505b0f11f985 input=fb8ec70a2a6148e0]*/
{
int status;
if ((status = MsiRecordSetStringW(self->h, field, value)) != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
/*[clinic input]
_msi.Record.SetStream
field: int
value: Py_UNICODE
/
Set field to the contents of the file named value.
[clinic start generated code]*/
static PyObject *
_msi_Record_SetStream_impl(msiobj *self, int field, const Py_UNICODE *value)
/*[clinic end generated code: output=442facac16913b48 input=a07aa19b865e8292]*/
{
int status;
if ((status = MsiRecordSetStreamW(self->h, field, value)) != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
/*[clinic input]
_msi.Record.SetInteger
field: int
value: int
/
Set field to an integer value.
[clinic start generated code]*/
static PyObject *
_msi_Record_SetInteger_impl(msiobj *self, int field, int value)
/*[clinic end generated code: output=669e8647775d0ce7 input=c571aa775e7e451b]*/
{
int status;
if ((status = MsiRecordSetInteger(self->h, field, value)) != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
static PyMethodDef record_methods[] = {
_MSI_RECORD_GETFIELDCOUNT_METHODDEF
_MSI_RECORD_GETINTEGER_METHODDEF
_MSI_RECORD_GETSTRING_METHODDEF
_MSI_RECORD_SETSTRING_METHODDEF
_MSI_RECORD_SETSTREAM_METHODDEF
_MSI_RECORD_SETINTEGER_METHODDEF
_MSI_RECORD_CLEARDATA_METHODDEF
{ NULL, NULL }
};
static PyTypeObject record_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"_msi.Record", /*tp_name*/
sizeof(msiobj), /*tp_basicsize*/
0, /*tp_itemsize*/
/* methods */
(destructor)msiobj_dealloc, /*tp_dealloc*/
0, /*tp_vectorcall_offset*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_as_async*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash*/
0, /*tp_call*/
0, /*tp_str*/
PyObject_GenericGetAttr,/*tp_getattro*/
PyObject_GenericSetAttr,/*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
0, /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
record_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*/
0, /*tp_new*/
0, /*tp_free*/
0, /*tp_is_gc*/
};
static PyObject*
record_new(MSIHANDLE h)
{
msiobj *result = PyObject_New(struct msiobj, &record_Type);
if (!result) {
MsiCloseHandle(h);
return NULL;
}
result->h = h;
return (PyObject*)result;
}
/*************************** SummaryInformation objects **************/
/*[clinic input]
_msi.SummaryInformation.GetProperty
field: int
the name of the property, one of the PID_* constants
/
Return a property of the summary.
[clinic start generated code]*/
static PyObject *
_msi_SummaryInformation_GetProperty_impl(msiobj *self, int field)
/*[clinic end generated code: output=f8946a33ee14f6ef input=f8dfe2c890d6cb8b]*/
{
int status;
PyObject *result;
UINT type;
INT ival;
FILETIME fval;
char sbuf[1000];
char *sval = sbuf;
DWORD ssize = sizeof(sbuf);
status = MsiSummaryInfoGetProperty(self->h, field, &type, &ival,
&fval, sval, &ssize);
if (status == ERROR_MORE_DATA) {
ssize++;
sval = malloc(ssize);
if (sval == NULL) {
return PyErr_NoMemory();
}
status = MsiSummaryInfoGetProperty(self->h, field, &type, &ival,
&fval, sval, &ssize);
}
if (status != ERROR_SUCCESS) {
return msierror(status);
}
switch(type) {
case VT_I2:
case VT_I4:
result = PyLong_FromLong(ival);
break;
case VT_FILETIME:
PyErr_SetString(PyExc_NotImplementedError, "FILETIME result");
result = NULL;
break;
case VT_LPSTR:
result = PyBytes_FromStringAndSize(sval, ssize);
break;
case VT_EMPTY:
Py_INCREF(Py_None);
result = Py_None;
break;
default:
PyErr_Format(PyExc_NotImplementedError, "result of type %d", type);
result = NULL;
break;
}
if (sval != sbuf)
free(sval);
return result;
}
/*[clinic input]
_msi.SummaryInformation.GetPropertyCount
Return the number of summary properties.
[clinic start generated code]*/
static PyObject *
_msi_SummaryInformation_GetPropertyCount_impl(msiobj *self)
/*[clinic end generated code: output=68e94b2aeee92b3d input=2e71e985586d82dc]*/
{
int status;
UINT result;
status = MsiSummaryInfoGetPropertyCount(self->h, &result);
if (status != ERROR_SUCCESS)
return msierror(status);
return PyLong_FromLong(result);
}
/*[clinic input]
_msi.SummaryInformation.SetProperty
field: int
the name of the property, one of the PID_* constants
value as data: object
the new value of the property (integer or string)
/
Set a property.
[clinic start generated code]*/
static PyObject *
_msi_SummaryInformation_SetProperty_impl(msiobj *self, int field,
PyObject *data)
/*[clinic end generated code: output=3d4692c8984bb675 input=f2a7811b905abbed]*/
{
int status;
if (PyUnicode_Check(data)) {
WCHAR *value = PyUnicode_AsWideCharString(data, NULL);
if (value == NULL) {
return NULL;
}
status = MsiSummaryInfoSetPropertyW(self->h, field, VT_LPSTR,
0, NULL, value);
PyMem_Free(value);
} else if (PyLong_CheckExact(data)) {
long value = PyLong_AsLong(data);
if (value == -1 && PyErr_Occurred()) {
return NULL;
}
status = MsiSummaryInfoSetProperty(self->h, field, VT_I4,
value, NULL, NULL);
} else {
PyErr_SetString(PyExc_TypeError, "unsupported type");
return NULL;
}
if (status != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
/*[clinic input]
_msi.SummaryInformation.Persist
Write the modified properties to the summary information stream.
[clinic start generated code]*/
static PyObject *
_msi_SummaryInformation_Persist_impl(msiobj *self)
/*[clinic end generated code: output=c564bd17f5e122c9 input=e3dda9d530095ef7]*/
{
int status;
status = MsiSummaryInfoPersist(self->h);
if (status != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
static PyMethodDef summary_methods[] = {
_MSI_SUMMARYINFORMATION_GETPROPERTY_METHODDEF
_MSI_SUMMARYINFORMATION_GETPROPERTYCOUNT_METHODDEF
_MSI_SUMMARYINFORMATION_SETPROPERTY_METHODDEF
_MSI_SUMMARYINFORMATION_PERSIST_METHODDEF
{ NULL, NULL }
};
static PyTypeObject summary_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"_msi.SummaryInformation", /*tp_name*/
sizeof(msiobj), /*tp_basicsize*/
0, /*tp_itemsize*/
/* methods */
(destructor)msiobj_dealloc, /*tp_dealloc*/
0, /*tp_vectorcall_offset*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_as_async*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash*/
0, /*tp_call*/
0, /*tp_str*/
PyObject_GenericGetAttr,/*tp_getattro*/
PyObject_GenericSetAttr,/*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
0, /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
summary_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*/
0, /*tp_new*/
0, /*tp_free*/
0, /*tp_is_gc*/
};
/*************************** View objects **************/
/*[clinic input]
_msi.View.Execute
params as oparams: object
a record describing actual values of the parameter tokens
in the query or None
/
Execute the SQL query of the view.
[clinic start generated code]*/
static PyObject *
_msi_View_Execute(msiobj *self, PyObject *oparams)
/*[clinic end generated code: output=f0f65fd2900bcb4e input=cb163a15d453348e]*/
{
int status;
MSIHANDLE params = 0;
if (oparams != Py_None) {
if (!Py_IS_TYPE(oparams, &record_Type)) {
PyErr_SetString(PyExc_TypeError, "Execute argument must be a record");
return NULL;
}
params = ((msiobj*)oparams)->h;
}
status = MsiViewExecute(self->h, params);
if (status != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
/*[clinic input]
_msi.View.Fetch
Return a result record of the query.
[clinic start generated code]*/
static PyObject *
_msi_View_Fetch_impl(msiobj *self)
/*[clinic end generated code: output=ba154a3794537d4e input=7f3e3d06c449001c]*/
{
int status;
MSIHANDLE result;
status = MsiViewFetch(self->h, &result);
if (status == ERROR_NO_MORE_ITEMS) {
Py_RETURN_NONE;
} else if (status != ERROR_SUCCESS) {
return msierror(status);
}
return record_new(result);
}
/*[clinic input]
_msi.View.GetColumnInfo
kind: int
MSICOLINFO_NAMES or MSICOLINFO_TYPES
/
Return a record describing the columns of the view.
[clinic start generated code]*/
static PyObject *
_msi_View_GetColumnInfo_impl(msiobj *self, int kind)
/*[clinic end generated code: output=e7c1697db9403660 input=afedb892bf564a3b]*/
{
int status;
MSIHANDLE result;
if ((status = MsiViewGetColumnInfo(self->h, kind, &result)) != ERROR_SUCCESS)
return msierror(status);
return record_new(result);
}
/*[clinic input]
_msi.View.Modify
kind: int
one of the MSIMODIFY_* constants
data: object
a record describing the new data
/
Modify the view.
[clinic start generated code]*/
static PyObject *
_msi_View_Modify_impl(msiobj *self, int kind, PyObject *data)
/*[clinic end generated code: output=69aaf3ce8ddac0ba input=2828de22de0d47b4]*/
{
int status;
if (!Py_IS_TYPE(data, &record_Type)) {
PyErr_SetString(PyExc_TypeError, "Modify expects a record object");
return NULL;
}
if ((status = MsiViewModify(self->h, kind, ((msiobj*)data)->h)) != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
/*[clinic input]
_msi.View.Close
Close the view.
[clinic start generated code]*/
static PyObject *
_msi_View_Close_impl(msiobj *self)
/*[clinic end generated code: output=488f7b8645ca104a input=de6927d1308c401c]*/
{
int status;
if ((status = MsiViewClose(self->h)) != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
static PyMethodDef view_methods[] = {
_MSI_VIEW_EXECUTE_METHODDEF
_MSI_VIEW_GETCOLUMNINFO_METHODDEF
_MSI_VIEW_FETCH_METHODDEF
_MSI_VIEW_MODIFY_METHODDEF
_MSI_VIEW_CLOSE_METHODDEF
{ NULL, NULL }
};
static PyTypeObject msiview_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"_msi.View", /*tp_name*/
sizeof(msiobj), /*tp_basicsize*/
0, /*tp_itemsize*/
/* methods */
(destructor)msiobj_dealloc, /*tp_dealloc*/
0, /*tp_vectorcall_offset*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_as_async*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash*/
0, /*tp_call*/
0, /*tp_str*/
PyObject_GenericGetAttr,/*tp_getattro*/
PyObject_GenericSetAttr,/*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
0, /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
view_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*/
0, /*tp_new*/
0, /*tp_free*/
0, /*tp_is_gc*/
};
/*************************** Database objects **************/
/*[clinic input]
_msi.Database.OpenView
sql: Py_UNICODE
the SQL statement to execute
/
Return a view object.
[clinic start generated code]*/
static PyObject *
_msi_Database_OpenView_impl(msiobj *self, const Py_UNICODE *sql)
/*[clinic end generated code: output=e712e6a11229abfd input=50f1771f37e500df]*/
{
int status;
MSIHANDLE hView;
msiobj *result;
if ((status = MsiDatabaseOpenViewW(self->h, sql, &hView)) != ERROR_SUCCESS)
return msierror(status);
result = PyObject_New(struct msiobj, &msiview_Type);
if (!result) {
MsiCloseHandle(hView);
return NULL;
}
result->h = hView;
return (PyObject*)result;
}
/*[clinic input]
_msi.Database.Commit
Commit the changes pending in the current transaction.
[clinic start generated code]*/
static PyObject *
_msi_Database_Commit_impl(msiobj *self)
/*[clinic end generated code: output=f33021feb8b0cdd8 input=375bb120d402266d]*/
{
int status;
if ((status = MsiDatabaseCommit(self->h)) != ERROR_SUCCESS)
return msierror(status);
Py_RETURN_NONE;
}
/*[clinic input]
_msi.Database.GetSummaryInformation
count: int
the maximum number of updated values
/
Return a new summary information object.
[clinic start generated code]*/
static PyObject *
_msi_Database_GetSummaryInformation_impl(msiobj *self, int count)
/*[clinic end generated code: output=781e51a4ea4da847 input=18a899ead6521735]*/
{
int status;
MSIHANDLE result;
msiobj *oresult;
status = MsiGetSummaryInformation(self->h, NULL, count, &result);
if (status != ERROR_SUCCESS)
return msierror(status);
oresult = PyObject_New(struct msiobj, &summary_Type);
if (!oresult) {
MsiCloseHandle(result);
return NULL;
}
oresult->h = result;
return (PyObject*)oresult;
}
static PyMethodDef db_methods[] = {
_MSI_DATABASE_OPENVIEW_METHODDEF
_MSI_DATABASE_COMMIT_METHODDEF
_MSI_DATABASE_GETSUMMARYINFORMATION_METHODDEF
_MSI_DATABASE_CLOSE_METHODDEF
{ NULL, NULL }
};
static PyTypeObject msidb_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"_msi.Database", /*tp_name*/
sizeof(msiobj), /*tp_basicsize*/
0, /*tp_itemsize*/
/* methods */
(destructor)msiobj_dealloc, /*tp_dealloc*/
0, /*tp_vectorcall_offset*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_as_async*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash*/
0, /*tp_call*/
0, /*tp_str*/
PyObject_GenericGetAttr,/*tp_getattro*/
PyObject_GenericSetAttr,/*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
0, /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
db_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*/
0, /*tp_new*/
0, /*tp_free*/
0, /*tp_is_gc*/
};
#define Py_NOT_PERSIST(x, flag) \
(x != (SIZE_T)(flag) && \
x != ((SIZE_T)(flag) | MSIDBOPEN_PATCHFILE))
#define Py_INVALID_PERSIST(x) \
(Py_NOT_PERSIST(x, MSIDBOPEN_READONLY) && \
Py_NOT_PERSIST(x, MSIDBOPEN_TRANSACT) && \
Py_NOT_PERSIST(x, MSIDBOPEN_DIRECT) && \
Py_NOT_PERSIST(x, MSIDBOPEN_CREATE) && \
Py_NOT_PERSIST(x, MSIDBOPEN_CREATEDIRECT))
/*[clinic input]
_msi.OpenDatabase
path: Py_UNICODE
the file name of the MSI file
persist: int
the persistence mode
/
Return a new database object.
[clinic start generated code]*/
static PyObject *
_msi_OpenDatabase_impl(PyObject *module, const Py_UNICODE *path, int persist)
/*[clinic end generated code: output=d34b7202b745de05 input=1300f3b97659559b]*/
{
int status;
MSIHANDLE h;
msiobj *result;
/* We need to validate that persist is a valid MSIDBOPEN_* value. Otherwise,
MsiOpenDatabase may treat the value as a pointer, leading to unexpected
behavior. */
if (Py_INVALID_PERSIST(persist))
return msierror(ERROR_INVALID_PARAMETER);
status = MsiOpenDatabaseW(path, (LPCWSTR)(SIZE_T)persist, &h);
if (status != ERROR_SUCCESS)
return msierror(status);
result = PyObject_New(struct msiobj, &msidb_Type);
if (!result) {
MsiCloseHandle(h);
return NULL;
}
result->h = h;
return (PyObject*)result;
}
/*[clinic input]
_msi.CreateRecord
count: int
the number of fields of the record
/
Return a new record object.
[clinic start generated code]*/
static PyObject *
_msi_CreateRecord_impl(PyObject *module, int count)
/*[clinic end generated code: output=0ba0a00beea3e99e input=53f17d5b5d9b077d]*/
{
MSIHANDLE h;
h = MsiCreateRecord(count);
if (h == 0)
return msierror(0);
return record_new(h);
}
static PyMethodDef msi_methods[] = {
_MSI_UUIDCREATE_METHODDEF
_MSI_FCICREATE_METHODDEF
_MSI_OPENDATABASE_METHODDEF
_MSI_CREATERECORD_METHODDEF
{NULL, NULL} /* sentinel */
};
static char msi_doc[] = "Documentation";
static struct PyModuleDef _msimodule = {
PyModuleDef_HEAD_INIT,
"_msi",
msi_doc,
-1,
msi_methods,
NULL,
NULL,
NULL,
NULL
};
PyMODINIT_FUNC
PyInit__msi(void)
{
PyObject *m;
m = PyModule_Create(&_msimodule);
if (m == NULL)
return NULL;
PyModule_AddIntConstant(m, "MSIDBOPEN_CREATEDIRECT", (long)(SIZE_T)MSIDBOPEN_CREATEDIRECT);
PyModule_AddIntConstant(m, "MSIDBOPEN_CREATE", (long)(SIZE_T)MSIDBOPEN_CREATE);
PyModule_AddIntConstant(m, "MSIDBOPEN_DIRECT", (long)(SIZE_T)MSIDBOPEN_DIRECT);
PyModule_AddIntConstant(m, "MSIDBOPEN_READONLY", (long)(SIZE_T)MSIDBOPEN_READONLY);
PyModule_AddIntConstant(m, "MSIDBOPEN_TRANSACT", (long)(SIZE_T)MSIDBOPEN_TRANSACT);
PyModule_AddIntConstant(m, "MSIDBOPEN_PATCHFILE", (long)(SIZE_T)MSIDBOPEN_PATCHFILE);
PyModule_AddIntMacro(m, MSICOLINFO_NAMES);
PyModule_AddIntMacro(m, MSICOLINFO_TYPES);
PyModule_AddIntMacro(m, MSIMODIFY_SEEK);
PyModule_AddIntMacro(m, MSIMODIFY_REFRESH);
PyModule_AddIntMacro(m, MSIMODIFY_INSERT);
PyModule_AddIntMacro(m, MSIMODIFY_UPDATE);
PyModule_AddIntMacro(m, MSIMODIFY_ASSIGN);
PyModule_AddIntMacro(m, MSIMODIFY_REPLACE);
PyModule_AddIntMacro(m, MSIMODIFY_MERGE);
PyModule_AddIntMacro(m, MSIMODIFY_DELETE);
PyModule_AddIntMacro(m, MSIMODIFY_INSERT_TEMPORARY);
PyModule_AddIntMacro(m, MSIMODIFY_VALIDATE);
PyModule_AddIntMacro(m, MSIMODIFY_VALIDATE_NEW);
PyModule_AddIntMacro(m, MSIMODIFY_VALIDATE_FIELD);
PyModule_AddIntMacro(m, MSIMODIFY_VALIDATE_DELETE);
PyModule_AddIntMacro(m, PID_CODEPAGE);
PyModule_AddIntMacro(m, PID_TITLE);
PyModule_AddIntMacro(m, PID_SUBJECT);
PyModule_AddIntMacro(m, PID_AUTHOR);
PyModule_AddIntMacro(m, PID_KEYWORDS);
PyModule_AddIntMacro(m, PID_COMMENTS);
PyModule_AddIntMacro(m, PID_TEMPLATE);
PyModule_AddIntMacro(m, PID_LASTAUTHOR);
PyModule_AddIntMacro(m, PID_REVNUMBER);
PyModule_AddIntMacro(m, PID_LASTPRINTED);
PyModule_AddIntMacro(m, PID_CREATE_DTM);
PyModule_AddIntMacro(m, PID_LASTSAVE_DTM);
PyModule_AddIntMacro(m, PID_PAGECOUNT);
PyModule_AddIntMacro(m, PID_WORDCOUNT);
PyModule_AddIntMacro(m, PID_CHARCOUNT);
PyModule_AddIntMacro(m, PID_APPNAME);
PyModule_AddIntMacro(m, PID_SECURITY);
MSIError = PyErr_NewException ("_msi.MSIError", NULL, NULL);
if (!MSIError)
return NULL;
PyModule_AddObject(m, "MSIError", MSIError);
return m;
}
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