Detect prefix for building

setup.py

@@ -1,122 +1,129 @@
-#!/usr/bin/env python
-#
-# Copyright (c) 2015, SmartFile <tcunningham@smartfile.com>
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above copyright
-#       notice, this list of conditions and the following disclaimer in the
-#       documentation and/or other materials provided with the distribution.
-#     * Neither the name of the organization nor the
-#       names of its contributors may be used to endorse or promote products
-#       derived from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-from os import environ
-
-try:
-    from setuptools import setup, Extension
-    from setuptools.command.build_ext import build_ext
-except ImportError:
-    from distutils.core import setup, Extension
-    from distutils.command.build_ext import build_ext
-
-
-
-# Use a provided libarchive else default to hard-coded path.
-libarchivePrefix = environ.get('LIBARCHIVE_PREFIX')
-
-if libarchivePrefix:
-    includePath = libarchivePrefix + '/include'
-else:
-    includePath = '/usr/local/include'
-
-
-
-
-name = 'python-libarchive'
-version = '4.2.0'
-readme = 'README.rst'
-repourl = 'https://github.com/smartfile/python-libarchive'
-long_description = open(readme).read()
-
-
-class build_ext_extra(build_ext, object):
-    """
-    Extend build_ext allowing extra_compile_args and extra_link_args to be set
-    on the command-line.
-    """
-
-    user_options = build_ext.user_options
-    user_options.append(('extra-compile-args=', None, 'Extra arguments passed directly to the compiler'))
-    user_options.append(('extra-link-args=', None, 'Extra arguments passed directly to the linker'))
-
-    def initialize_options(self):
-        build_ext.initialize_options(self)
-        self.extra_compile_args = None
-        self.extra_link_args = None
-
-    def build_extension(self, ext):
-        if self.extra_compile_args:
-            ext.extra_compile_args.append(self.extra_compile_args)
-        if self.extra_link_args:
-            ext.extra_link_args.append(self.extra_link_args)
-        super(build_ext_extra, self).build_extension(ext)
-
-
-if libarchivePrefix:
-    extra_compile_args = ['-I{0}/include'.format(libarchivePrefix)]
-    extra_link_args = ['-Wl,-rpath,{0}/lib'.format(libarchivePrefix)]
-    environ['LDFLAGS'] = '-L{0}/lib {1}'.format(libarchivePrefix, environ.get('LDFLAGS', ''))
-else:
-    extra_compile_args = []
-    extra_link_args = ['-l:libarchive.so']
-
-__libarchive = Extension(
-    name='libarchive.__libarchive',
-    sources=['libarchive/_libarchive_wrap.c'],
-    libraries=['archive'],
-    extra_compile_args=extra_compile_args,
-    extra_link_args=extra_link_args,
-    include_dirs=[includePath, 'libarchive'],
-)
-
-
-setup(
-    name=name,
-    version=version,
-    description='A libarchive wrapper for Python supporting password protection.',
-    long_description=long_description,
-    license='BSD-style license',
-    platforms=['any'],
-    author='Vadim Lebedev, Ben Timby, Travis Cunningham, Ryan Johnston, SmartFile',
-    author_email='tech@smartfile.com',
-    url=repourl,
-    packages=['libarchive'],
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'Operating System :: OS Independent',
-        'Programming Language :: C',
-        'Programming Language :: Python',
-        'Topic :: System :: Archiving :: Compression',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-    ],
-    cmdclass={
-        'build_ext': build_ext_extra,
-    },
-    ext_modules=[__libarchive],
-)
+#!/usr/bin/env python
+#
+# Copyright (c) 2015, SmartFile <tcunningham@smartfile.com>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#     * Neither the name of the organization nor the
+#       names of its contributors may be used to endorse or promote products
+#       derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from os import environ
+
+try:
+    from setuptools import setup, Extension
+    from setuptools.command.build_ext import build_ext
+except ImportError:
+    from distutils.core import setup, Extension
+    from distutils.command.build_ext import build_ext
+
+
+
+# Use a provided libarchive else default to hard-coded path.
+libarchivePrefix = environ.get('LIBARCHIVE_PREFIX')
+if libarchivePrefix is None:
+    import pathlib
+    for i in [ '/usr', '/usr/local', '/opt/local' ]:
+        libdir = pathlib.Path(i) / 'lib'
+        if any(libdir.glob('**/libarchive.*')):
+            libarchivePrefix = i
+            break
+
+if libarchivePrefix:
+    includePath = libarchivePrefix + '/include'
+else:
+    includePath = '/usr/local/include'
+
+
+
+
+name = 'python-libarchive'
+version = '4.2.0'
+readme = 'README.rst'
+repourl = 'https://github.com/smartfile/python-libarchive'
+long_description = open(readme).read()
+
+
+class build_ext_extra(build_ext, object):
+    """
+    Extend build_ext allowing extra_compile_args and extra_link_args to be set
+    on the command-line.
+    """
+
+    user_options = build_ext.user_options
+    user_options.append(('extra-compile-args=', None, 'Extra arguments passed directly to the compiler'))
+    user_options.append(('extra-link-args=', None, 'Extra arguments passed directly to the linker'))
+
+    def initialize_options(self):
+        build_ext.initialize_options(self)
+        self.extra_compile_args = None
+        self.extra_link_args = None
+
+    def build_extension(self, ext):
+        if self.extra_compile_args:
+            ext.extra_compile_args.append(self.extra_compile_args)
+        if self.extra_link_args:
+            ext.extra_link_args.append(self.extra_link_args)
+        super(build_ext_extra, self).build_extension(ext)
+
+
+if libarchivePrefix:
+    extra_compile_args = ['-I{0}/include'.format(libarchivePrefix)]
+    extra_link_args = ['-Wl,-rpath,{0}/lib'.format(libarchivePrefix)]
+    environ['LDFLAGS'] = '-L{0}/lib {1}'.format(libarchivePrefix, environ.get('LDFLAGS', ''))
+else:
+    extra_compile_args = []
+    extra_link_args = ['-l:libarchive.so']
+
+__libarchive = Extension(
+    name='libarchive.__libarchive',
+    sources=['libarchive/_libarchive_wrap.c'],
+    libraries=['archive'],
+    extra_compile_args=extra_compile_args,
+    extra_link_args=extra_link_args,
+    include_dirs=[includePath, 'libarchive'],
+)
+
+
+setup(
+    name=name,
+    version=version,
+    description='A libarchive wrapper for Python supporting password protection.',
+    long_description=long_description,
+    license='BSD-style license',
+    platforms=['any'],
+    author='Vadim Lebedev, Ben Timby, Travis Cunningham, Ryan Johnston, SmartFile',
+    author_email='tech@smartfile.com',
+    url=repourl,
+    packages=['libarchive'],
+    classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Intended Audience :: Developers',
+        'Operating System :: OS Independent',
+        'Programming Language :: C',
+        'Programming Language :: Python',
+        'Topic :: System :: Archiving :: Compression',
+        'Topic :: Software Development :: Libraries :: Python Modules',
+    ],
+    cmdclass={
+        'build_ext': build_ext_extra,
+    },
+    ext_modules=[__libarchive],
+)