.

pep517-bug.txt

+Obtaining file:///home/kirr/src/wendelin/wendelin.core
+    Preparing wheel metadata ... error
+    ERROR: Command errored out with exit status 1:
+     command: /home/kirr/src/wendelin/venv/z-dev/bin/python2 /home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /tmp/tmp2F3aEs
+         cwd: /home/kirr/src/wendelin/wendelin.core
+    Complete output (53 lines):
+    running dist_info
+    creating /tmp/pip-modern-metadata-sPiqUt/wendelin.core.egg-info
+    writing requirements to /tmp/pip-modern-metadata-sPiqUt/wendelin.core.egg-info/requires.txt
+    writing /tmp/pip-modern-metadata-sPiqUt/wendelin.core.egg-info/PKG-INFO
+    writing top-level names to /tmp/pip-modern-metadata-sPiqUt/wendelin.core.egg-info/top_level.txt
+    writing dependency_links to /tmp/pip-modern-metadata-sPiqUt/wendelin.core.egg-info/dependency_links.txt
+    writing entry points to /tmp/pip-modern-metadata-sPiqUt/wendelin.core.egg-info/entry_points.txt
+    writing manifest file '/tmp/pip-modern-metadata-sPiqUt/wendelin.core.egg-info/SOURCES.txt'
+    package init file '__init__.py' not found (or not a regular file)
+    Traceback (most recent call last):
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 257, in <module>
+        main()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 240, in main
+        json_out['return_val'] = hook(**hook_input['kwargs'])
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 110, in prepare_metadata_for_build_wheel
+        return hook(metadata_directory, config_settings)
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/build_meta.py", line 155, in prepare_metadata_for_build_wheel
+        self.run_setup()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/build_meta.py", line 234, in run_setup
+        self).run_setup(setup_script=setup_script)
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/build_meta.py", line 141, in run_setup
+        exec(compile(code, __file__, 'exec'), locals())
+      File "setup.py", line 374, in <module>
+        """.splitlines()]
+      File "/home/kirr/src/tools/go/pygolang/golang/pyx/build.py", line 118, in setup
+        setuptools_dso.setup(**kw)
+      File "/home/kirr/src/tools/py/pypa/setuptools_dso/src/setuptools_dso/__init__.py", line 37, in setup
+        _setup(**kws)
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/__init__.py", line 145, in setup
+        return distutils.core.setup(**attrs)
+      File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
+        dist.run_commands()
+      File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
+        self.run_command(cmd)
+      File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
+        cmd_obj.run()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/command/dist_info.py", line 31, in run
+        egg_info.run()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/command/egg_info.py", line 296, in run
+        self.find_sources()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/command/egg_info.py", line 303, in find_sources
+        mm.run()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/command/egg_info.py", line 534, in run
+        self.add_defaults()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/command/egg_info.py", line 574, in add_defaults
+        rcfiles = list(walk_revctrl())
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/setuptools/command/sdist.py", line 20, in walk_revctrl
+        for item in ep.load()(dirname):
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2434, in load
+        return self.resolve()
+      File "/home/kirr/src/wendelin/venv/z-dev/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2444, in resolve
+        raise ImportError(str(exc))
+    ImportError: 'module' object has no attribute 'git_lsfiles'

setup.py

@@ -205,6 +205,15 @@ def register_as_entrypoint(func, entryname, groupname, distname):
     assert entryname not in group
     group[entryname] = entrypoint
 
+    # XXX hack to workaround ImportError in PEP517 mode: pip -> pep517 -> _in_process
+    # sources, not imports, setup.py and so there, even though git_lsfiles.__module__=='__main__',
+    # the module that is actually __main__ is pip. This leads to ImportError
+    # when trying to resolve the entrypoint.
+    mod = sys.modules[func.__module__]
+    _ = getattr(mod, func.__name__, func)
+    assert _ is func
+    setattr(mod, func.__name__, func)
+
 
 # like subprocess.check_output(), but properly report errors, if e.g. commands is not found
 # check_output(['missing-command']) -> error: [Errno 2] No such file or directory