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
|
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import platform
from io import open
from typing import List
from Cython.Build import cythonize
from setuptools import Extension, setup
def bool_from_environ(key: str, default: bool = False):
value = os.environ.get(key)
if not value:
return default
if value == "1":
return True
if value == "0":
return False
raise ValueError(
f"Environment variable {key} has invalid value {value}. Please set it to 1, 0 or an empty string"
)
here = os.path.abspath(os.path.dirname(__file__))
# Get the long description from the README file
with open(os.path.join(here, "README.md"), encoding="utf-8") as f:
long_description = f.read()
use_system_libraries = bool_from_environ("USE_SYSTEM_LIBS")
use_cython_linetrace = bool_from_environ("CYTHON_LINETRACE")
use_cython_annotate = bool_from_environ("CYTHON_ANNOTATE")
# Python Limited API for stable ABI support is enabled by default.
# Set USE_PY_LIMITED_API=0 to turn it off.
# https://docs.python.org/3.14/c-api/stable.html#limited-c-api
use_py_limited_api = bool_from_environ("USE_PY_LIMITED_API", default=True)
# NOTE: this must be kept in sync with python_requires='>=3.10' below
limited_api_min_version = "0x030A0000"
def _configure_extensions_with_system_libs() -> List[Extension]:
import pkgconfig
include_dirs = []
define_macros = []
libraries = []
library_dirs = []
harfbuzz_components = ["harfbuzz-subset"]
for harfbuzz_component in harfbuzz_components:
harfbuzz_component_configuration = pkgconfig.parse(harfbuzz_component)
include_dirs += harfbuzz_component_configuration["include_dirs"]
define_macros += harfbuzz_component_configuration["define_macros"]
libraries += harfbuzz_component_configuration["libraries"]
library_dirs += harfbuzz_component_configuration["library_dirs"]
if use_cython_linetrace:
define_macros.append(("CYTHON_TRACE_NOGIL", "1"))
if use_py_limited_api:
define_macros.append(("Py_LIMITED_API", limited_api_min_version))
extension = Extension(
"uharfbuzz._harfbuzz",
define_macros=define_macros,
include_dirs=include_dirs,
sources=[
"src/uharfbuzz/_harfbuzz.pyx",
],
language="c++",
libraries=libraries,
library_dirs=library_dirs,
py_limited_api=use_py_limited_api,
)
extension_test = Extension(
"uharfbuzz._harfbuzz_test",
define_macros=define_macros,
include_dirs=include_dirs,
sources=[
"src/uharfbuzz/_draw_test_funcs.cc",
"src/uharfbuzz/_harfbuzz_test.pyx",
],
language="c++",
libraries=libraries,
library_dirs=library_dirs,
py_limited_api=use_py_limited_api,
)
return [extension, extension_test]
def _configure_extensions_with_vendored_libs() -> List[Extension]:
# We build with HB_EXPERIMENTAL_API to enable experimental HarfBuzz features
# like VARC table support, but we must not use any experimental APIs as it
# will break linking with system HarfBuzz that is built without these APIs.
define_macros = [("HB_NO_MT", "1"), ("HB_EXPERIMENTAL_API", "1")]
if use_cython_linetrace:
define_macros.append(("CYTHON_TRACE_NOGIL", "1"))
if use_py_limited_api:
define_macros.append(("Py_LIMITED_API", limited_api_min_version))
extra_compile_args = []
extra_link_args = []
libraries = []
if platform.system() != "Windows":
extra_compile_args.append("-std=c++11")
extra_compile_args.append("-g0")
define_macros.append(("HAVE_MMAP", "1"))
define_macros.append(("HAVE_UNISTD_H", "1"))
define_macros.append(("HAVE_SYS_MMAN_H", "1"))
else:
define_macros.append(("HAVE_DIRECTWRITE", "1"))
define_macros.append(("HAVE_UNISCRIBE", "1"))
libraries += ["usp10", "gdi32", "user32", "rpcrt4", "dwrite"]
if platform.system() == "Darwin":
define_macros.append(("HAVE_CORETEXT", "1"))
extra_link_args.extend(["-framework", "ApplicationServices"])
extension = Extension(
"uharfbuzz._harfbuzz",
define_macros=define_macros,
include_dirs=["harfbuzz/src"],
sources=[
"harfbuzz/src/harfbuzz-subset.cc",
"harfbuzz/src/hb-coretext.cc",
"harfbuzz/src/hb-coretext-font.cc",
"harfbuzz/src/hb-coretext-shape.cc",
"harfbuzz/src/hb-directwrite.cc",
"harfbuzz/src/hb-directwrite-font.cc",
"harfbuzz/src/hb-directwrite-shape.cc",
"harfbuzz/src/hb-uniscribe.cc",
"src/uharfbuzz/_harfbuzz.pyx",
],
language="c++",
libraries=libraries,
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args,
py_limited_api=use_py_limited_api,
)
extension_test = Extension(
"uharfbuzz._harfbuzz_test",
define_macros=define_macros,
include_dirs=["harfbuzz/src"],
sources=[
"src/uharfbuzz/_draw_test_funcs.cc",
"src/uharfbuzz/_harfbuzz_test.pyx",
],
language="c++",
libraries=libraries,
extra_compile_args=extra_compile_args,
extra_link_args=extra_link_args,
py_limited_api=use_py_limited_api,
)
return [extension, extension_test]
def configure_extensions() -> List[Extension]:
if use_system_libraries:
return _configure_extensions_with_system_libs()
else:
return _configure_extensions_with_vendored_libs()
setup(
name="uharfbuzz",
use_scm_version={"write_to": "src/uharfbuzz/_version.py"},
description="Streamlined Cython bindings for the harfbuzz shaping engine",
long_description=long_description,
long_description_content_type="text/markdown",
author="Adrien Tétar",
author_email="adri-from-59@hotmail.fr",
url="https://github.com/trufont/uharfbuzz",
license="Apache License 2.0",
package_dir={"": "src"},
packages=["uharfbuzz"],
zip_safe=False,
setup_requires=["setuptools_scm"],
python_requires=">=3.10",
ext_modules=cythonize(
configure_extensions(),
annotate=use_cython_annotate,
compiler_directives={"linetrace": use_cython_linetrace},
),
options={"bdist_wheel": {"py_limited_api": "cp310"}} if use_py_limited_api else {},
)
|
