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-rwxr-xr-xsetup.py2
-rw-r--r--setuptools/dist.py32
2 files changed, 34 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 1d742add..1960f653 100755
--- a/setup.py
+++ b/setup.py
@@ -95,6 +95,8 @@ setup_params = dict(
"install_requires = setuptools.dist:check_requirements",
"tests_require = setuptools.dist:check_requirements",
"setup_requires = setuptools.dist:check_requirements",
+ "python_requires = setuptools.dist:check_specifier",
+ "external_requires = setuptools.dist:assert_string_list",
"entry_points = setuptools.dist:check_entry_points",
"test_suite = setuptools.dist:check_test_suite",
"zip_safe = setuptools.dist:assert_bool",
diff --git a/setuptools/dist.py b/setuptools/dist.py
index f229d726..29b0f266 100644
--- a/setuptools/dist.py
+++ b/setuptools/dist.py
@@ -39,6 +39,22 @@ def _get_unpatched(cls):
_Distribution = _get_unpatched(_Distribution)
+def _patch_distribution_metadata_write_pkg_file():
+ """Patch write_pkg_file to also write Requires-Python/Requires-External"""
+ original_write = distutils.dist.DistributionMetadata.write_pkg_file
+ def write_pkg_file(self, file):
+ """Write the PKG-INFO format data to a file object.
+ """
+ original_write(self, file)
+ if hasattr(self, 'python_requires'):
+ file.write('Requires-Python: %s\n' % self.python_requires)
+ if getattr(self, 'external_requires', []):
+ self._write_list(file, 'Requires-External', self.external_requires)
+
+ distutils.dist.DistributionMetadata.write_pkg_file = write_pkg_file
+_patch_distribution_metadata_write_pkg_file()
+
+
def _patch_distribution_metadata_write_pkg_info():
"""
Workaround issue #197 - Python 3 prior to 3.2.2 uses an environment-local
@@ -138,6 +154,18 @@ def check_requirements(dist, attr, value):
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
+def check_specifier(dist, attr, value):
+ """Verify that value is a valid version specifier"""
+ try:
+ packaging.specifiers.SpecifierSet(value)
+ except packaging.specifiers.InvalidSpecifier as error:
+ tmpl = (
+ "{attr!r} must be a string or list of strings "
+ "containing valid version specifiers; {error}"
+ )
+ raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
+
+
def check_entry_points(dist, attr, value):
"""Verify that entry_points map is parseable"""
try:
@@ -303,6 +331,10 @@ class Distribution(_Distribution):
"setuptools, pip, and PyPI. Please see PEP 440 for more "
"details." % self.metadata.version
)
+ if getattr(self, 'python_requires', None):
+ self.metadata.python_requires = self.python_requires
+ if getattr(self, 'external_requires', None):
+ self.metadata.external_requires = self.external_requires
def parse_command_line(self):
"""Process features after parsing command line options"""