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BPY: allow `bpy.data.libraries.load()` to filter out non-asset data-blocks. 

Differential Revision: https://developer.blender.org/D10237
This commit is contained in:
Bastien Montagne 2021-01-28 18:04:10 +01:00
parent 2ce1400297
commit 4884153823
5 changed files with 35 additions and 13 deletions
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4
source/blender/blenloader/BLO_readfile.h
View File

@ -129,7 +129,9 @@ BlendHandle *BLO_blendhandle_from_memory(const void *mem, int memsize);
struct LinkNode *BLO_blendhandle_get_datablock_names(BlendHandle *bh,
int ofblocktype,
int *tot_names);
const bool use_assets_only,
int *r_tot_names);
struct LinkNode *BLO_blendhandle_get_datablock_info(BlendHandle *bh,
int ofblocktype,
int *tot_info_items);

2
source/blender/blenloader/intern/blend_validate.c
View File

@ -112,7 +112,7 @@ bool BLO_main_validate_libraries(Main *bmain, ReportList *reports)
}
int totnames = 0;
LinkNode *names = BLO_blendhandle_get_datablock_names(bh, GS(id->name), &totnames);
LinkNode *names = BLO_blendhandle_get_datablock_names(bh, GS(id->name), false, &totnames);
for (; id != NULL; id = id->next) {
if (id->lib == NULL) {
is_valid = false;

12
source/blender/blenloader/intern/readblenentry.c
View File

@ -135,9 +135,14 @@ void BLO_blendhandle_print_sizes(BlendHandle *bh, void *fp)
* \param bh: The blendhandle to access.
* \param ofblocktype: The type of names to get.
* \param tot_names: The length of the returned list.
* \param use_assets_only: Only list IDs marked as assets.
* \return A BLI_linklist of strings. The string links should be freed with #MEM_freeN().
*/
LinkNode *BLO_blendhandle_get_datablock_names(BlendHandle *bh, int ofblocktype, int *tot_names)
LinkNode *BLO_blendhandle_get_datablock_names(BlendHandle *bh,
int ofblocktype,
const bool use_assets_only,
int *r_tot_names)
{
FileData *fd = (FileData *)bh;
LinkNode *names = NULL;
@ -147,6 +152,9 @@ LinkNode *BLO_blendhandle_get_datablock_names(BlendHandle *bh, int ofblocktype,
for (bhead = blo_bhead_first(fd); bhead; bhead = blo_bhead_next(fd, bhead)) {
if (bhead->code == ofblocktype) {
const char *idname = blo_bhead_id_name(fd, bhead);
if (use_assets_only && blo_bhead_id_asset_data_address(fd, bhead) == NULL) {
continue;
}
BLI_linklist_prepend(&names, BLI_strdup(idname + 2));
tot++;
@ -156,7 +164,7 @@ LinkNode *BLO_blendhandle_get_datablock_names(BlendHandle *bh, int ofblocktype,
}
}
*tot_names = tot;
*r_tot_names = tot;
return names;
}

2
source/blender/imbuf/intern/thumbs_blend.c
View File

@ -57,7 +57,7 @@ ImBuf *IMB_thumb_load_blend(const char *blen_path, const char *blen_group, const
/* Note: we should handle all previews for a same group at once, would avoid reopening
* `.blend` file for each and every ID. However, this adds some complexity,
* so keep it for later. */
names = BLO_blendhandle_get_datablock_names(libfiledata, idcode, &nnames);
names = BLO_blendhandle_get_datablock_names(libfiledata, idcode, false, &nnames);
previews = BLO_blendhandle_get_previews(libfiledata, idcode, &nprevs);
BLO_blendhandle_close(libfiledata);

28
source/blender/python/intern/bpy_library_load.c
View File

@ -173,7 +173,7 @@ static PyTypeObject bpy_lib_Type = {
PyDoc_STRVAR(
bpy_lib_load_doc,
".. method:: load(filepath, link=False, relative=False)\n"
".. method:: load(filepath, link=False, assets_only=False, relative=False)\n"
"\n"
" Returns a context manager which exposes 2 library objects on entering.\n"
" Each object has attributes matching bpy.data which are lists of strings to be linked.\n"
@ -182,6 +182,8 @@ PyDoc_STRVAR(
" :type filepath: string\n"
" :arg link: When False reference to the original file is lost.\n"
" :type link: bool\n"
" :arg assets_only: If True, only list data-blocks marked as assets.\n"
" :type assets_only: bool\n"
" :arg relative: When True the path is stored relative to the open blend file.\n"
" :type relative: bool\n");
static PyObject *bpy_lib_load(PyObject *UNUSED(self), PyObject *args, PyObject *kw)
@ -189,12 +191,20 @@ static PyObject *bpy_lib_load(PyObject *UNUSED(self), PyObject *args, PyObject *
Main *bmain = CTX_data_main(BPY_context_get());
BPy_Library *ret;
const char *filename = NULL;
bool is_rel = false, is_link = false;
bool is_rel = false, is_link = false, use_assets_only = false;
static const char *_keywords[] = {"filepath", "link", "relative", NULL};
static _PyArg_Parser _parser = {"s|O&O&:load", _keywords, 0};
if (!_PyArg_ParseTupleAndKeywordsFast(
args, kw, &_parser, &filename, PyC_ParseBool, &is_link, PyC_ParseBool, &is_rel)) {
static const char *_keywords[] = {"filepath", "link", "relative", "assets_only", NULL};
static _PyArg_Parser _parser = {"s|O&O&O&:load", _keywords, 0};
if (!_PyArg_ParseTupleAndKeywordsFast(args,
kw,
&_parser,
&filename,
PyC_ParseBool,
&is_link,
PyC_ParseBool,
&is_rel,
PyC_ParseBool,
&use_assets_only)) {
return NULL;
}
@ -205,7 +215,8 @@ static PyObject *bpy_lib_load(PyObject *UNUSED(self), PyObject *args, PyObject *
BLI_path_abs(ret->abspath, BKE_main_blendfile_path(bmain));
ret->blo_handle = NULL;
ret->flag = ((is_link ? FILE_LINK : 0) | (is_rel ? FILE_RELPATH : 0));
ret->flag = ((is_link ? FILE_LINK : 0) | (is_rel ? FILE_RELPATH : 0) |
(use_assets_only ? FILE_ASSETS_ONLY : 0));
ret->dict = _PyDict_NewPresized(MAX_LIBARRAY);
@ -218,7 +229,8 @@ static PyObject *_bpy_names(BPy_Library *self, int blocktype)
LinkNode *l, *names;
int totnames;
names = BLO_blendhandle_get_datablock_names(self->blo_handle, blocktype, &totnames);
names = BLO_blendhandle_get_datablock_names(
self->blo_handle, blocktype, (self->flag & FILE_ASSETS_ONLY) != 0, &totnames);
list = PyList_New(totnames);
if (names) {