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Move system lib comment up, formatting, expand lib not found error.

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Manu 2022-03-24 08:41:34 +04:00
parent f36a0fc6b6
commit 710d76e5c2
1 changed files with 17 additions and 13 deletions
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30
setup.py
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@ -27,6 +27,15 @@
# Number of threads to use for cythonize, not used on windows # Number of threads to use for cythonize, not used on windows
cpu_threads = multiprocessing.cpu_count() if multiprocessing and multiprocessing.get_start_method() != 'spawn' else None cpu_threads = multiprocessing.cpu_count() if multiprocessing and multiprocessing.get_start_method() != 'spawn' else None
# How the build process finds the system libs:
#
# 1. if BORG_{LIBXXX,OPENSSL}_PREFIX is set, it will use headers and libs from there.
# 2. if not and pkg-config can locate the lib, the lib located by
# pkg-config will be used. We use the pkg-config tool via the pkgconfig
# python package, which must be installed before invoking setup.py.
# if pkgconfig is not installed, this step is skipped.
# 3. otherwise raise a fatal error.
# Are we building on ReadTheDocs? # Are we building on ReadTheDocs?
on_rtd = os.environ.get('READTHEDOCS') on_rtd = os.environ.get('READTHEDOCS')
@ -114,15 +123,6 @@ def run(self):
} }
# How the build process finds the system libs:
#
# 1. if BORG_{LIBXXX,OPENSSL}_PREFIX is set, it will use headers and libs from there.
# 2. if not and pkg-config can locate the lib, the lib located by
# pkg-config will be used. We use the pkg-config tool via the pkgconfig
# python package, which must be installed before invoking setup.py.
# if pkgconfig is not installed, this step is skipped.
# 3. otherwise raise a fatal error.
ext_modules = [] ext_modules = []
if not on_rtd: if not on_rtd:
@ -143,21 +143,25 @@ def members_appended(*ds):
def lib_ext_kwargs(pc, prefix_env_var, lib_name, lib_pkg_name, pc_version, lib_subdir='lib'): def lib_ext_kwargs(pc, prefix_env_var, lib_name, lib_pkg_name, pc_version, lib_subdir='lib'):
system_prefix = os.environ.get(prefix_env_var) system_prefix = os.environ.get(prefix_env_var)
if system_prefix: if system_prefix:
print(f'Detected and preferring {lib_pkg_name} [via {prefix_env_var}]') print(f"Detected and preferring {lib_pkg_name} [via {prefix_env_var}]")
return dict(include_dirs=[os.path.join(system_prefix, 'include')], return dict(include_dirs=[os.path.join(system_prefix, 'include')],
library_dirs=[os.path.join(system_prefix, lib_subdir)], library_dirs=[os.path.join(system_prefix, lib_subdir)],
libraries=[lib_name]) libraries=[lib_name])
if pc and pc.installed(lib_pkg_name, pc_version): if pc and pc.installed(lib_pkg_name, pc_version):
print(f'Detected and preferring {lib_pkg_name} [via pkg-config]') print(f"Detected and preferring {lib_pkg_name} [via pkg-config]")
return pc.parse(lib_pkg_name) return pc.parse(lib_pkg_name)
raise Exception(f'Could not find {lib_name} lib/headers, please set {prefix_env_var}') raise Exception(
f"Could not find {lib_name} lib/headers, please set {prefix_env_var} "
f"or ensure {lib_pkg_name}.pc is in PKG_CONFIG_PATH."
)
if is_win32: if is_win32:
crypto_ext_lib = lib_ext_kwargs( crypto_ext_lib = lib_ext_kwargs(
pc, 'BORG_OPENSSL_PREFIX', 'libcrypto', 'libcrypto', '>=1.1.1', lib_subdir='') pc, 'BORG_OPENSSL_PREFIX', 'libcrypto', 'libcrypto', '>=1.1.1', lib_subdir='')
else: else:
crypto_ext_lib = lib_ext_kwargs(pc, 'BORG_OPENSSL_PREFIX', 'crypto', 'libcrypto', '>=1.1.1') crypto_ext_lib = lib_ext_kwargs(
pc, 'BORG_OPENSSL_PREFIX', 'crypto', 'libcrypto', '>=1.1.1')
crypto_ext_kwargs = members_appended( crypto_ext_kwargs = members_appended(
dict(sources=[crypto_ll_source, crypto_helpers]), dict(sources=[crypto_ll_source, crypto_helpers]),