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from
__future__
import
annotations
import
os
from
ctypes
import
(
c_bool
,
c_char_p
,
c_int
,
c_uint8
,
c_uint32
,
c_float
,
c_void_p
,
c_size_t
,
POINTER
,
_Pointer
,
# type: ignore
Structure
,
byref
,
)
import
pathlib
from
typing
import
(
Union
,
NewType
,
Optional
,
TYPE_CHECKING
,
)
import
llama_cpp
.
llama_cpp
as
llama_cpp
from
llama_cpp
.
_ctypes_extensions
import
(
load_shared_library
,
ctypes_function_for_shared_library
,
)
if
TYPE_CHECKING
:
from
llama_cpp
.
_ctypes_extensions
import
(
CtypesArray
,
)
# Specify the base name of the shared library to load
_libmtmd_base_name
=
"mtmd"
_libmtmd_override_path
=
os
.
environ
.
get
(
"MTMD_CPP_LIB"
)
_libmtmd_base_path
=
pathlib
.
Path
(
os
.
path
.
abspath
(
os
.
path
.
dirname
(
__file__
)))
/
"lib"
if
_libmtmd_override_path
is
None
else
pathlib
.
Path
()
# Load the library
_libmtmd
=
load_shared_library
(
_libmtmd_base_name
,
_libmtmd_base_path
)
ctypes_function
=
ctypes_function_for_shared_library
(
_libmtmd
)
################################################
# mtmd.h types
################################################
# Opaque types
mtmd_context_p
=
NewType
(
"mtmd_context_p"
,
int
)
mtmd_context_p_ctypes
=
c_void_p
mtmd_bitmap_p
=
NewType
(
"mtmd_bitmap_p"
,
int
)
mtmd_bitmap_p_ctypes
=
c_void_p
mtmd_image_tokens_p
=
NewType
(
"mtmd_image_tokens_p"
,
int
)
mtmd_image_tokens_p_ctypes
=
c_void_p
mtmd_input_chunk_p
=
NewType
(
"mtmd_input_chunk_p"
,
int
)
mtmd_input_chunk_p_ctypes
=
c_void_p
mtmd_input_chunks_p
=
NewType
(
"mtmd_input_chunks_p"
,
int
)
mtmd_input_chunks_p_ctypes
=
c_void_p
# Enums
MTMD_INPUT_CHUNK_TYPE_TEXT
=
0
MTMD_INPUT_CHUNK_TYPE_IMAGE
=
1
MTMD_INPUT_CHUNK_TYPE_AUDIO
=
2
# Structures
class
mtmd_context_params
(
Structure
):
_fields_
=
[
(
"use_gpu"
,
c_bool
),
(
"print_timings"
,
c_bool
),
(
"n_threads"
,
c_int
),
(
"verbosity"
,
c_int
),
# ggml_log_level
(
"image_marker"
,
c_char_p
),
(
"media_marker"
,
c_char_p
),
]
class
mtmd_input_text
(
Structure
):
_fields_
=
[
(
"text"
,
c_char_p
),
(
"add_special"
,
c_bool
),
(
"parse_special"
,
c_bool
),
]
################################################
# mtmd.h functions
################################################
# MTMD_API const char * mtmd_default_marker(void);
@
ctypes_function
(
"mtmd_default_marker"
, [],
c_char_p
)
def
mtmd_default_marker
()
->
bytes
:
...
# MTMD_API struct mtmd_context_params mtmd_context_params_default(void);
@
ctypes_function
(
"mtmd_context_params_default"
, [],
mtmd_context_params
)
def
mtmd_context_params_default
()
->
mtmd_context_params
:
...
# MTMD_API mtmd_context * mtmd_init_from_file(const char * mmproj_fname,
# const struct llama_model * text_model,
# const struct mtmd_context_params ctx_params);
@
ctypes_function
(
"mtmd_init_from_file"
,
[
c_char_p
,
llama_cpp
.
llama_model_p_ctypes
,
mtmd_context_params
],
mtmd_context_p_ctypes
)
def
mtmd_init_from_file
(
mmproj_fname
:
bytes
,
text_model
:
llama_cpp
.
llama_model_p
,
ctx_params
:
mtmd_context_params
,
/
,
)
->
Optional
[
mtmd_context_p
]:
...
# MTMD_API void mtmd_free(mtmd_context * ctx);
@
ctypes_function
(
"mtmd_free"
, [
mtmd_context_p_ctypes
],
None
)
def
mtmd_free
(
ctx
:
mtmd_context_p
,
/
):
...
# MTMD_API bool mtmd_support_vision(mtmd_context * ctx);
@
ctypes_function
(
"mtmd_support_vision"
, [
mtmd_context_p_ctypes
],
c_bool
)
def
mtmd_support_vision
(
ctx
:
mtmd_context_p
,
/
)
->
bool
:
...
# MTMD_API mtmd_bitmap * mtmd_bitmap_init(uint32_t nx, uint32_t ny, const unsigned char * data);
@
ctypes_function
(
"mtmd_bitmap_init"
,
[
c_uint32
,
c_uint32
,
POINTER
(
c_uint8
)],
mtmd_bitmap_p_ctypes
)
def
mtmd_bitmap_init
(
nx
:
Union
[
c_uint32
,
int
],
ny
:
Union
[
c_uint32
,
int
],
data
:
CtypesArray
[
c_uint8
],
/
,
)
->
Optional
[
mtmd_bitmap_p
]:
...
# MTMD_API void mtmd_bitmap_free(mtmd_bitmap * bitmap);
@
ctypes_function
(
"mtmd_bitmap_free"
, [
mtmd_bitmap_p_ctypes
],
None
)
def
mtmd_bitmap_free
(
bitmap
:
mtmd_bitmap_p
,
/
):
...
# MTMD_API mtmd_input_chunks * mtmd_input_chunks_init(void);
@
ctypes_function
(
"mtmd_input_chunks_init"
, [],
mtmd_input_chunks_p_ctypes
)
def
mtmd_input_chunks_init
()
->
Optional
[
mtmd_input_chunks_p
]:
...
# MTMD_API void mtmd_input_chunks_free(mtmd_input_chunks * chunks);
@
ctypes_function
(
"mtmd_input_chunks_free"
, [
mtmd_input_chunks_p_ctypes
],
None
)
def
mtmd_input_chunks_free
(
chunks
:
mtmd_input_chunks_p
,
/
):
...
# MTMD_API size_t mtmd_input_chunks_size(const mtmd_input_chunks * chunks);
@
ctypes_function
(
"mtmd_input_chunks_size"
, [
mtmd_input_chunks_p_ctypes
],
c_size_t
)
def
mtmd_input_chunks_size
(
chunks
:
mtmd_input_chunks_p
,
/
)
->
int
:
...
# MTMD_API const mtmd_input_chunk * mtmd_input_chunks_get(const mtmd_input_chunks * chunks, size_t idx);
@
ctypes_function
(
"mtmd_input_chunks_get"
,
[
mtmd_input_chunks_p_ctypes
,
c_size_t
],
mtmd_input_chunk_p_ctypes
)
def
mtmd_input_chunks_get
(
chunks
:
mtmd_input_chunks_p
,
idx
:
Union
[
c_size_t
,
int
],
/
)
->
Optional
[
mtmd_input_chunk_p
]:
...
# MTMD_API int32_t mtmd_tokenize(mtmd_context * ctx,
# mtmd_input_chunks * output,
# const mtmd_input_text * text,
# const mtmd_bitmap ** bitmaps,
# size_t n_bitmaps);
@
ctypes_function
(
"mtmd_tokenize"
,
[
mtmd_context_p_ctypes
,
mtmd_input_chunks_p_ctypes
,
POINTER
(
mtmd_input_text
),
POINTER
(
mtmd_bitmap_p_ctypes
),
c_size_t
,
],
c_int
,
)
def
mtmd_tokenize
(
ctx
:
mtmd_context_p
,
output
:
mtmd_input_chunks_p
,
text
:
"_Pointer[mtmd_input_text]"
,
bitmaps
:
CtypesArray
[
mtmd_bitmap_p_ctypes
],
n_bitmaps
:
Union
[
c_size_t
,
int
],
/
,
)
->
int
:
...
# MTMD_API size_t mtmd_input_chunk_get_n_tokens(const mtmd_input_chunk * chunk);
@
ctypes_function
(
"mtmd_input_chunk_get_n_tokens"
, [
mtmd_input_chunk_p_ctypes
],
c_size_t
)
def
mtmd_input_chunk_get_n_tokens
(
chunk
:
mtmd_input_chunk_p
,
/
)
->
int
:
...
# MTMD_API enum mtmd_input_chunk_type mtmd_input_chunk_get_type(const mtmd_input_chunk * chunk);
@
ctypes_function
(
"mtmd_input_chunk_get_type"
, [
mtmd_input_chunk_p_ctypes
],
c_int
)
def
mtmd_input_chunk_get_type
(
chunk
:
mtmd_input_chunk_p
,
/
)
->
int
:
...
# MTMD_API const llama_token * mtmd_input_chunk_get_tokens_text(const mtmd_input_chunk * chunk, size_t * n_tokens_output);
@
ctypes_function
(
"mtmd_input_chunk_get_tokens_text"
,
[
mtmd_input_chunk_p_ctypes
,
POINTER
(
c_size_t
)],
POINTER
(
llama_cpp
.
llama_token
)
)
def
mtmd_input_chunk_get_tokens_text
(
chunk
:
mtmd_input_chunk_p
,
n_tokens_output
:
"_Pointer[c_size_t]"
,
/
)
->
Optional
[
"_Pointer[llama_cpp.llama_token]"
]:
...
################################################
# mtmd-helper.h functions
################################################
# MTMD_API mtmd_bitmap * mtmd_helper_bitmap_init_from_buf(mtmd_context * ctx, const unsigned char * buf, size_t len);
@
ctypes_function
(
"mtmd_helper_bitmap_init_from_buf"
,
[
mtmd_context_p_ctypes
,
POINTER
(
c_uint8
),
c_size_t
],
mtmd_bitmap_p_ctypes
)
def
mtmd_helper_bitmap_init_from_buf
(
ctx
:
mtmd_context_p
,
buf
:
CtypesArray
[
c_uint8
],
length
:
Union
[
c_size_t
,
int
],
/
,
)
->
Optional
[
mtmd_bitmap_p
]:
...
# MTMD_API size_t mtmd_helper_get_n_tokens(const mtmd_input_chunks * chunks);
@
ctypes_function
(
"mtmd_helper_get_n_tokens"
, [
mtmd_input_chunks_p_ctypes
],
c_size_t
)
def
mtmd_helper_get_n_tokens
(
chunks
:
mtmd_input_chunks_p
,
/
)
->
int
:
...
# MTMD_API int32_t mtmd_helper_eval_chunk_single(mtmd_context * ctx,
# struct llama_context * lctx,
# const mtmd_input_chunk * chunk,
# llama_pos n_past,
# llama_seq_id seq_id,
# int32_t n_batch,
# bool logits_last,
# llama_pos * new_n_past);
@
ctypes_function
(
"mtmd_helper_eval_chunk_single"
,
[
mtmd_context_p_ctypes
,
llama_cpp
.
llama_context_p_ctypes
,
mtmd_input_chunk_p_ctypes
,
llama_cpp
.
llama_pos
,
llama_cpp
.
llama_seq_id
,
c_int
,
c_bool
,
POINTER
(
llama_cpp
.
llama_pos
),
],
c_int
,
)
def
mtmd_helper_eval_chunk_single
(
ctx
:
mtmd_context_p
,
lctx
:
llama_cpp
.
llama_context_p
,
chunk
:
mtmd_input_chunk_p
,
n_past
:
llama_cpp
.
llama_pos
,
seq_id
:
llama_cpp
.
llama_seq_id
,
n_batch
:
Union
[
c_int
,
int
],
logits_last
:
Union
[
c_bool
,
bool
],
new_n_past
:
"_Pointer[llama_cpp.llama_pos]"
,
/
,
)
->
int
:
...
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