File size: 9,336 Bytes
3f40640
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
import os
import sys
import argparse
import subprocess
from pathlib import Path
from concurrent.futures import (
    ProcessPoolExecutor,
    as_completed,
)
from zipnn_decompress_file import (
    decompress_file,
)

sys.path.append(
    os.path.abspath(
        os.path.join(
            os.path.dirname(__file__),
            "..",
        )
    )
)

RED = "\033[91m"
YELLOW = "\033[93m"
GREEN = "\033[92m"
RESET = "\033[0m"

def check_and_install_zipnn():
    try:
        import zipnn
    except ImportError:
        print("zipnn not found. Installing...")
        subprocess.check_call(
            [
                sys.executable,
                "-m",
                "pip",
                "install",
                "zipnn",
            ]
        )
        import zipnn

def replace_in_file(file_path, old: str, new: str) -> None:
    """Given a file_path, replace all occurrences of `old` with `new` inpalce."""

    with open(file_path, 'r') as file:
        file_data = file.read()

    file_data = file_data.replace(old, new)

    with open(file_path, 'w') as file:
        file.write(file_data)

def decompress_znn_files(
    path=".",
    delete=False,
    force=False,
    max_processes=1,
    hf_cache=False,
    model="",
    branch="main",
):
    import zipnn

    overwrite_first=True

    if model:
        if not hf_cache:
            raise ValueError(
                "Must specify --hf_cache when using --model"
            )
        try:
            from huggingface_hub import scan_cache_dir
        except ImportError:
            raise ImportError(
                "huggingface_hub not found. Please pip install huggingface_hub."
            )  
        cache = scan_cache_dir()
        repo = next((repo for repo in cache.repos if repo.repo_id == model), None)

        if repo is not None:
            print(f"Found repo {model} in cache")
            
            # Get the latest revision path
            hash = ''
            try:
                with open(os.path.join(repo.repo_path, 'refs', branch), "r") as ref:
                    hash = ref.read()
            except FileNotFoundError:
                raise FileNotFoundError(f"Branch {branch} not found in repo {model}")
            
            path = os.path.join(repo.repo_path, 'snapshots', hash)

    file_list = []
    directories_to_search = [
        (
            path,
            [],
            os.listdir(path),
        )
    ]
    for (
        root,
        _,
        files,
    ) in directories_to_search:
        for file_name in files:
            if file_name.endswith(".znn"):
                decompressed_path = file_name[:-4]
                if not force and os.path.exists(
                    decompressed_path
                ):
                    #
                    if overwrite_first:
                        overwrite_first=False
                        user_input = (
                            input(
                                f"Decompressed files already exists; Would you like to overwrite them all (y/n)? "
                            )
                            .strip()
                            .lower()
                        )
                        if user_input not in (
                            "y",
                            "yes",
                        ):
                            print(
                                f"No forced overwriting."
                            )
                        else:
                            print(
                                f"Overwriting all decompressed files."
                            )
                            force=True
                        
                    #
                    if not force:
                        user_input = (
                            input(
                                f"{decompressed_path} already exists; overwrite (y/n)? "
                            )
                            .strip()
                            .lower()
                        )
                        if user_input not in (
                            "y",
                            "yes",
                        ):
                            print(
                                f"Skipping {file_name}..."
                            )
                            continue
                full_path = os.path.join(
                    root,
                    file_name,
                )
                file_list.append(full_path)

    if file_list and hf_cache:
        try:
            from transformers.utils import (
                SAFE_WEIGHTS_INDEX_NAME,
                WEIGHTS_INDEX_NAME
            )
        except ImportError:
            raise ImportError(
                "Transformers not found. Please pip install transformers."
            )
            
        suffix = file_list[0].split('/')[-1].split('.')[-2] # get the one before .znn

        if os.path.exists(os.path.join(path, SAFE_WEIGHTS_INDEX_NAME)):
            print(f"{YELLOW}Fixing Hugging Face model json...{RESET}")
            blob_name = os.path.join(path, os.readlink(os.path.join(path, SAFE_WEIGHTS_INDEX_NAME)))
            replace_in_file(
                    file_path=blob_name,
                    old=f"{suffix}.znn",
                    new=f"{suffix}"
                )
        elif os.path.exists(os.path.join(path, WEIGHTS_INDEX_NAME)):
            print(f"{YELLOW}Fixing Hugging Face model json...{RESET}")
            blob_name = os.path.join(path, os.readlink(os.path.join(path, WEIGHTS_INDEX_NAME)))
            replace_in_file(
                    file_path=blob_name,
                    old=f"{suffix}.znn",
                    new=f"{suffix}"
                )

    with ProcessPoolExecutor(
        max_workers=max_processes
    ) as executor:
        for file in file_list[:max_processes]:
            future_to_file = {
                executor.submit(
                    decompress_file,
                    file,
                    delete,
                    True,
                    hf_cache,
                ): file
                for file in file_list[
                    :max_processes
                ]
            }

            file_list = file_list[max_processes:]
            while future_to_file:

                for future in as_completed(
                    future_to_file
                ):
                    file = future_to_file.pop(
                        future
                    )
                    try:
                        future.result()
                    except Exception as exc:
                        print(
                            f"{RED}File {file} generated an exception: {exc}{RESET}"
                        )

                    if file_list:
                        next_file = file_list.pop(
                            0
                        )
                        future_to_file[
                            executor.submit(
                                decompress_file,
                                next_file,
                                delete,
                                True,
                                hf_cache,
                            )
                        ] = next_file
                        #
    print(f"{GREEN}All files decompressed{RESET}")


if __name__ == "__main__":
    check_and_install_zipnn()

    parser = argparse.ArgumentParser(
        description="Compresses all .znn files."
    )
    parser.add_argument(
        "--path",
        type=str,
        help="Path to folder of files to decompress. If left empty, checks current folder.",
    )
    parser.add_argument(
        "--delete",
        action="store_true",
        help="A flag that triggers deletion of a single compressed file instead of decompression",
    )
    parser.add_argument(
        "--force",
        action="store_true",
        help="A flag that forces overwriting when decompressing.",
    )
    parser.add_argument(
        "--max_processes",
        type=int,
        help="The amount of maximum processes.",
    )
    parser.add_argument(
        "--hf_cache",
        action="store_true",
        help="A flag that indicates if the file is in the Hugging Face cache. Must either specify --model or --path to the model's snapshot cache.",
    )
    parser.add_argument(
        "--model",
        type=str,
        help="Only when using --hf_cache, specify the model name or path. E.g. 'ibm-granite/granite-7b-instruct'",
    )
    parser.add_argument(
        "--model_branch",
        type=str,
        default="main",
        help="Only when using --model, specify the model branch. Default is 'main'",
    )
    args = parser.parse_args()
    optional_kwargs = {}
    if args.path is not None:
        optional_kwargs["path"] = args.path
    if args.delete:
        optional_kwargs["delete"] = args.delete
    if args.force:
        optional_kwargs["force"] = args.force
    if args.max_processes:
        optional_kwargs["max_processes"] = (
            args.max_processes
        )
    if args.hf_cache:
        optional_kwargs["hf_cache"] = args.hf_cache
    if args.model:
        optional_kwargs["model"] = args.model
    if args.model_branch:
        optional_kwargs[
            "branch"
        ] = args.model_branch

    decompress_znn_files(**optional_kwargs)