Skip to content
Navigation Menu
{{ message }}
forked from abetlen/llama-cpp-python
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathmtmd_cpp.py
More file actions
280 lines (243 loc) · 8.63 KB
/
Copy pathmtmd_cpp.py
File metadata and controls
280 lines (243 loc) · 8.63 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
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:
...
You can’t perform that action at this time.