From: JinWang An <jinwang.an@samsung.com>
Date: Mon, 27 Mar 2023 08:02:39 +0000 (+0900)
Subject: Imported Upstream version 59.4.0
X-Git-Tag: upstream/59.4.0^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c6e32a5ab27fe7d3f5bd2cad92b446967ece5fd8;p=platform%2Fupstream%2Fpython-setuptools.git

Imported Upstream version 59.4.0
---

diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 67dc085..9dfdfbd 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 59.3.0
+current_version = 59.4.0
 commit = True
 tag = True
 
diff --git a/CHANGES.rst b/CHANGES.rst
index 8fbae4f..58f35ed 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,12 @@
+v59.4.0
+-------
+
+
+Changes
+^^^^^^^
+* #2893: Restore deprecated support for newlines in the Summary field.
+
+
 v59.3.0
 -------
 
diff --git a/setup.cfg b/setup.cfg
index 6aabb1a..b96c2f2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = setuptools
-version = 59.3.0
+version = 59.4.0
 author = Python Packaging Authority
 author_email = distutils-sig@python.org
 description = Easily download, build, install, upgrade, and uninstall Python packages
diff --git a/setuptools/dist.py b/setuptools/dist.py
index 848d6b0..fb16886 100644
--- a/setuptools/dist.py
+++ b/setuptools/dist.py
@@ -145,11 +145,11 @@ def read_pkg_file(self, file):
 
 
 def single_line(val):
-    """Validate that the value does not have line breaks."""
-    # Ref: https://github.com/pypa/setuptools/issues/1390
+    # quick and dirty validation for description pypa/setuptools#1390
     if '\n' in val:
-        raise ValueError('Newlines are not allowed')
-
+        # TODO after 2021-07-31: Replace with `raise ValueError("newlines not allowed")`
+        warnings.warn("newlines not allowed and will break in the future")
+        val = val.strip().split('\n')[0]
     return val