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-rw-r--r--setuptools/__init__.py22
1 files changed, 21 insertions, 1 deletions
diff --git a/setuptools/__init__.py b/setuptools/__init__.py
index 04f76740..7da47fbe 100644
--- a/setuptools/__init__.py
+++ b/setuptools/__init__.py
@@ -109,7 +109,27 @@ class PEP420PackageFinder(PackageFinder):
find_packages = PackageFinder.find
-setup = distutils.core.setup
+
+def _install_setup_requires(attrs):
+ # Note: do not use `setuptools.Distribution` directly, as
+ # our PEP 517 backend patch `distutils.core.Distribution`.
+ dist = distutils.core.Distribution(dict(
+ (k, v) for k, v in attrs.items()
+ if k in ('dependency_links', 'setup_requires')
+ ))
+ # Honor setup.cfg's options.
+ dist.parse_config_files(ignore_option_errors=True)
+ if dist.setup_requires:
+ dist.fetch_build_eggs(dist.setup_requires)
+
+
+def setup(**attrs):
+ # Make sure we have any requirements needed to interpret 'attrs'.
+ _install_setup_requires(attrs)
+ return distutils.core.setup(**attrs)
+
+setup.__doc__ = distutils.core.setup.__doc__
+
_Command = monkey.get_unpatched(distutils.core.Command)