FEAT: add skeleton of packaging.

Author: cournape

MANIFEST.in

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+include README.rst
+include machotools/tests/data/*dylib

README.rst

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+Machoutils is a small set of tools built on top of macholib to retrieve and
+change informations about mach-o files
+
+Examples::
+
+        # Print the list of rpath defined in the given .dylib
+        python -m machotools list_rpaths foo.dylib
+
+        # Print the id (i.e. install_name) of the given .dylib
+        python -m machotools install_name foo.dylib

machotools/__main__.py

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+import sys
+
+import argparse
+
+from machotools.misc import install_name
+from machotools.rpath import list_rpaths_from_file
+
+def list_rpaths_command(namespace):
+    rpaths = list_rpaths_from_file(namespace.macho)
+    if not len(rpaths) == 1:
+        raise ValueError("Multi-arch files not supported yet !")
+    else:
+        for rpath in rpaths[0]:
+            print rpath
+
+def list_install_names(namespace):
+    install_names = install_name(namespace.macho)
+    if not len(install_names) == 1:
+        raise ValueError("Multi-arch files not supported yet !")
+    else:
+        for name in install_names:
+            print name
+
+def main(argv=None):
+    if argv is None:
+        argv = sys.argv[1:]
+
+    p = argparse.ArgumentParser()
+    sub_parsers = p.add_subparsers(title="sub commands")
+
+    rpath = sub_parsers.add_parser("list_rpaths", help="Manipulate rpaths")
+    rpath.add_argument("macho", help="Path to the mach-o to manipulate")
+    rpath.set_defaults(func=list_rpaths_command)
+
+    install_name_parser = sub_parsers.add_parser("install_name", help="Manipulate rpaths")
+    install_name_parser.add_argument("macho", help="Path to the mach-o to manipulate")
+    install_name_parser.set_defaults(func=list_install_names)
+
+    namespace = p.parse_args(argv)
+    namespace.func(namespace)
+
+if __name__ == "__main__":
+    main()

requirements.txt

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+argparse
+macholib>=1.5.1

setup.py

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+from setuptools import setup
+
+if __name__ == "__main__":
+    setup(name="machotools",
+          version="0.0.1",
+          packages=["machotools", "machotools.tests"])