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
|
import hashlib
import os
import platform
import shutil
import subprocess
import sys
import tarfile
import urllib.request
from argparse import ArgumentParser
from dataclasses import dataclass
from pathlib import Path
taglib_version = "2.0"
taglib_url = f"https://github.com/taglib/taglib/archive/refs/tags/v{taglib_version}.tar.gz"
taglib_sha256sum = "e36ea877a6370810b97d84cf8f72b1e4ed205149ab3ac8232d44c850f38a2859"
utfcpp_version = "4.0.5"
utfcpp_url = f"https://github.com/nemtrif/utfcpp/archive/refs/tags/v{utfcpp_version}.tar.gz"
root = Path(__file__).resolve().parent
system = platform.system()
def run_script():
config = get_config()
_download(taglib_url, config.taglib_tarball, taglib_sha256sum)
_download(utfcpp_url, config.utfcpp_tarball)
if config.force or not config.taglib_extract_dir.exists():
_del_if_exists(config.taglib_extract_dir)
_del_if_exists(config.utfcpp_extract_dir)
_extract(config.taglib_tarball, config.taglib_extract_dir)
_extract(config.utfcpp_tarball, config.utfcpp_extract_dir)
shutil.copytree(config.utfcpp_extract_dir, config.taglib_extract_dir / "3rdparty" / "utfcpp",
dirs_exist_ok=True)
if config.force or not config.taglib_install_dir.exists():
_del_if_exists(config.taglib_install_dir)
cmake_config(config.taglib_extract_dir, config.taglib_install_dir)
cmake_build(config.taglib_extract_dir)
_del_if_exists(config.target_dir)
shutil.copytree(config.taglib_install_dir, config.target_dir)
@dataclass
class Configuration:
target_dir: Path
cache_dir: Path
force: bool
platform_id: str
@property
def taglib_tarball(self):
return self.cache_dir / f"taglib-{taglib_version}.tar.gz"
@property
def utfcpp_tarball(self):
return self.cache_dir / f"utfcpp-{utfcpp_version}.tar.gz"
@property
def platform_dir(self):
return self.cache_dir / self.platform_id
@property
def taglib_extract_dir(self):
return self.platform_dir / f"taglib-{taglib_version}"
@property
def utfcpp_extract_dir(self):
return self.platform_dir / f"utfcpp-{utfcpp_version}"
@property
def taglib_install_dir(self):
return self.platform_dir / "taglib-install"
def get_config() -> Configuration:
parser = ArgumentParser(description="helper to download and build C++ TagLib")
parser.add_argument(
"--target",
help="target directory for TagLib (binaries and headers)",
type=Path,
default=root / "lib" / "taglib-cpp",
)
parser.add_argument(
"--cache",
help="temporary directory for downloads and builds; suitable to be cached in CI",
type=Path,
default=root / "build" / "cache",
)
parser.add_argument("--force", action="store_true", help="fore clean build even if output already exists")
args = parser.parse_args()
return Configuration(target_dir=args.target.resolve(), cache_dir=args.cache.resolve(), force=args.force,
platform_id=get_platform_id())
def _download(url: str, target: Path, sha256sum: str = None):
print(f"downloading {url} ...")
if target.exists():
print("skipping download, file exists")
return
response = urllib.request.urlopen(url)
data = response.read()
target.parent.mkdir(exist_ok=True, parents=True)
target.write_bytes(data)
print("download complete")
if sha256sum is None:
return
the_hash = hashlib.sha256(target.read_bytes()).hexdigest()
if the_hash != taglib_sha256sum:
error = f'checksum of downloaded file ({the_hash}) does not match expected hash ({taglib_sha256sum})'
raise RuntimeError(error)
def get_platform_id():
"""Tries to generate a string that is unique for the C compiler configuration used to build
Python extensions.
Compiler potentially depends on:
- OS
- architecture
- Python implementation (CPython, PyPy)
- Python version (major/minor)
- C library type (uclib for musllinux)
In cibuildwheel, the AUDITWHEEL_PLAT environment variable is used for all of these except
Python version and implementation.
- """
platform_identifier = os.environ.get('AUDITWHEEL_PLAT', f"{system}-{platform.machine()}")
python_identifier = f"{sys.implementation.name}-{sys.version_info[0]}.{sys.version_info[1]}"
return f"{platform_identifier}-{python_identifier}"
def _extract(archive: Path, target: Path):
"""Extracts `archive` into `target`.
"""
print(f"extracting {archive} to {target} ...")
tar = tarfile.open(archive)
tar.extractall(target.parent)
def _del_if_exists(dir: Path):
if dir.exists():
shutil.rmtree(dir)
def _cmake(cwd: Path, *args):
print(f"running cmake {' '.join(args)}")
return subprocess.run(["cmake", *args], cwd=cwd, check=True)
def cmake_config(source_dir: Path, install_dir: Path):
print("running cmake ...")
args = ["-DWITH_ZLIB=OFF"] # todo fix building wheels with zlib support
if system == "Windows":
args += ["-A", "x64"]
elif system == "Linux":
args.append("-DCMAKE_POSITION_INDEPENDENT_CODE=ON")
args.append("-DBUILD_TESTING=OFF")
args.append(f"-DCMAKE_INSTALL_PREFIX={install_dir}")
args.append(f"-DCMAKE_CXX_FLAGS=-I{source_dir / '3rdparty' / 'utfcpp' / 'source'}")
args.append(".")
install_dir.mkdir(exist_ok=True, parents=True)
_cmake(source_dir, *args)
def cmake_build(source_dir: Path):
print("building taglib ...")
build_configuration = "Release"
_cmake(
source_dir,
"--build",
".",
"--config",
build_configuration
)
print("installing cmake ...")
_cmake(source_dir, "--install", ".", "--config", build_configuration)
if __name__ == "__main__":
run_script()
|
