[BUG] wheel install_as_egg does not honor file mode

setuptools/archive_util.py

@@ -100,29 +100,37 @@ def unpack_zipfile(filename, extract_dir, progress_filter=default_filter):
         raise UnrecognizedFormat("%s is not a zip file" % (filename,))
 
     with zipfile.ZipFile(filename) as z:
-        for info in z.infolist():
-            name = info.filename
+        _unpack_zipfile_obj(z, extract_dir, progress_filter)
 
-            # don't extract absolute paths or ones with .. in them
-            if name.startswith('/') or '..' in name.split('/'):
-                continue
 
-            target = os.path.join(extract_dir, *name.split('/'))
-            target = progress_filter(name, target)
-            if not target:
-                continue
-            if name.endswith('/'):
-                # directory
-                ensure_directory(target)
-            else:
-                # file
-                ensure_directory(target)
-                data = z.read(info.filename)
-                with open(target, 'wb') as f:
-                    f.write(data)
-            unix_attributes = info.external_attr >> 16
-            if unix_attributes:
-                os.chmod(target, unix_attributes)
+def _unpack_zipfile_obj(zipfile_obj, extract_dir, progress_filter=default_filter):
+    """Internal/private API used by other parts of setuptools.
+    Similar to ``unpack_zipfile``, but receives an already opened :obj:`zipfile.ZipFile`
+    object instead of a filename.
+    """
+    for info in zipfile_obj.infolist():
+        name = info.filename
+
+        # don't extract absolute paths or ones with .. in them
+        if name.startswith('/') or '..' in name.split('/'):
+            continue
+
+        target = os.path.join(extract_dir, *name.split('/'))
+        target = progress_filter(name, target)
+        if not target:
+            continue
+        if name.endswith('/'):
+            # directory
+            ensure_directory(target)
+        else:
+            # file
+            ensure_directory(target)
+            data = zipfile_obj.read(info.filename)
+            with open(target, 'wb') as f:
+                f.write(data)
+        unix_attributes = info.external_attr >> 16
+        if unix_attributes:
+            os.chmod(target, unix_attributes)
 
 
 def _resolve_tar_file_or_dir(tar_obj, tar_member_obj):

setuptools/tests/test_wheel.py

@@ -6,6 +6,8 @@
 from distutils.sysconfig import get_config_var
 from distutils.util import get_platform
 import contextlib
+import pathlib
+import stat
 import glob
 import inspect
 import os
@@ -614,3 +616,88 @@ def sys_tags():
     monkeypatch.setattr('setuptools.wheel.sys_tags', sys_tags)
     assert Wheel(
         'onnxruntime-0.1.2-cp36-cp36m-manylinux1_x86_64.whl').is_compatible()
+
+
+def test_wheel_mode():
+    @contextlib.contextmanager
+    def build_wheel(extra_file_defs=None, **kwargs):
+        file_defs = {
+            'setup.py': (DALS(
+                '''
+                # -*- coding: utf-8 -*-
+                from setuptools import setup
+                import setuptools
+                setup(**%r)
+                '''
+            ) % kwargs).encode('utf-8'),
+        }
+        if extra_file_defs:
+            file_defs.update(extra_file_defs)
+        with tempdir() as source_dir:
+            path.build(file_defs, source_dir)
+            runsh = pathlib.Path(source_dir) / "script.sh"
+            os.chmod(runsh, 0o777)
+            subprocess.check_call((sys.executable, 'setup.py',
+                                   '-q', 'bdist_wheel'), cwd=source_dir)
+            yield glob.glob(os.path.join(source_dir, 'dist', '*.whl'))[0]
+
+    params = dict(
+        id='script',
+        file_defs={
+            'script.py': DALS(
+                '''
+                #/usr/bin/python
+                print('hello world!')
+                '''
+            ),
+            'script.sh': DALS(
+                '''
+                #/bin/sh
+                echo 'hello world!'
+                '''
+            ),
+        },
+        setup_kwargs=dict(
+            scripts=['script.py', 'script.sh'],
+        ),
+        install_tree=flatten_tree({
+            'foo-1.0-py{py_version}.egg': {
+                'EGG-INFO': [
+                    'PKG-INFO',
+                    'RECORD',
+                    'WHEEL',
+                    'top_level.txt',
+                    {'scripts': [
+                        'script.py',
+                        'script.sh'
+                    ]}
+
+                ]
+            }
+        })
+    )
+
+    project_name = params.get('name', 'foo')
+    version = params.get('version', '1.0')
+    install_tree = params.get('install_tree')
+    file_defs = params.get('file_defs', {})
+    setup_kwargs = params.get('setup_kwargs', {})
+
+    with build_wheel(
+        name=project_name,
+        version=version,
+        install_requires=[],
+        extras_require={},
+        extra_file_defs=file_defs,
+        **setup_kwargs
+    ) as filename, tempdir() as install_dir:
+        _check_wheel_install(filename, install_dir,
+                             install_tree, project_name,
+                             version, None)
+        w = Wheel(filename)
+        base = pathlib.Path(install_dir) / w.egg_name()
+        script_sh = base / "EGG-INFO" / "scripts" / "script.sh"
+        assert script_sh.exists()
+        if sys.platform != 'win32':
+            # Editable file mode has no effect on Windows
+            assert oct(stat.S_IMODE(script_sh.stat().st_mode)) == "0o777"

setuptools/wheel.py

@@ -15,6 +15,7 @@
 from setuptools.extern.packaging.tags import sys_tags
 from setuptools.extern.packaging.utils import canonicalize_name
 from setuptools.command.egg_info import write_requirements
+from setuptools.archive_util import _unpack_zipfile_obj
 
 
 WHEEL_NAME = re.compile(
@@ -121,8 +122,7 @@ def get_metadata(name):
             raise ValueError(
                 'unsupported wheel format version: %s' % wheel_version)
         # Extract to target directory.
-        os.mkdir(destination_eggdir)
-        zf.extractall(destination_eggdir)
+        _unpack_zipfile_obj(zf, destination_eggdir)
         # Convert metadata.
         dist_info = os.path.join(destination_eggdir, dist_info)
         dist = pkg_resources.Distribution.from_location(