From ea6fb2f54bbac0c2af71dcc8ad0a37a52d19ae86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Hrn=C4=8Diar?= <thrnciar@redhat.com>
Date: Thu, 28 Apr 2022 13:47:44 +0200
Subject: [PATCH] Python 3.11: No longer use the undocumented sre_constants
 module

---
 ...se-undocumented-module-sre_constants.patch | 42 +++++++++++++++++++
 pyparsing.spec                                |  8 +++-
 2 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 0001-No-longer-use-undocumented-module-sre_constants.patch

diff --git a/0001-No-longer-use-undocumented-module-sre_constants.patch b/0001-No-longer-use-undocumented-module-sre_constants.patch
new file mode 100644
index 0000000..922bd75
--- /dev/null
+++ b/0001-No-longer-use-undocumented-module-sre_constants.patch
@@ -0,0 +1,42 @@
+From 9da4012a025294413fc1f956e081ee003df2411e Mon Sep 17 00:00:00 2001
+From: Serhiy Storchaka <storchaka@gmail.com>
+Date: Thu, 28 Apr 2022 12:04:55 +0200
+Subject: [PATCH] No longer use undocumented module 'sre_constants'
+
+---
+ pyparsing.py | 5 ++---
+ 1 file changed, 2 insertions(+), 3 deletions(-)
+
+diff --git a/pyparsing.py b/pyparsing.py
+index 581d5bb..774222b 100644
+--- a/pyparsing.py
++++ b/pyparsing.py
+@@ -105,7 +105,6 @@ import copy
+ import sys
+ import warnings
+ import re
+-import sre_constants
+ import collections
+ import pprint
+ import traceback
+@@ -3310,7 +3309,7 @@ class Regex(Token):
+             try:
+                 self.re = re.compile(self.pattern, self.flags)
+                 self.reString = self.pattern
+-            except sre_constants.error:
++            except re.error:
+                 warnings.warn("invalid pattern (%s) passed to Regex" % pattern,
+                               SyntaxWarning, stacklevel=2)
+                 raise
+@@ -3501,7 +3500,7 @@ class QuotedString(Token):
+             self.re = re.compile(self.pattern, self.flags)
+             self.reString = self.pattern
+             self.re_match = self.re.match
+-        except sre_constants.error:
++        except re.error:
+             warnings.warn("invalid pattern (%s) passed to Regex" % self.pattern,
+                           SyntaxWarning, stacklevel=2)
+             raise
+-- 
+2.33.1
+
diff --git a/pyparsing.spec b/pyparsing.spec
index 3568897..561e620 100644
--- a/pyparsing.spec
+++ b/pyparsing.spec
@@ -18,6 +18,11 @@ License:        MIT
 URL:            https://github.com/pyparsing/pyparsing
 Source0:        https://github.com/%{name}/%{name}/archive/%{name}_%{version}/%{name}-%{version}.tar.gz
 
+# sre_constants module is deprecated in Python 3.11, this patch replaces it with the re module
+# Merged upstream in https://github.com/pyparsing/pyparsing/pull/379
+# Included in 3.0.8+
+Patch:          0001-No-longer-use-undocumented-module-sre_constants.patch
+
 BuildArch:      noarch
 BuildRequires:  dos2unix
 BuildRequires:  python%{python3_pkgversion}-devel
@@ -72,7 +77,8 @@ This is the Python 3 version.
 
 
 %prep
-%setup -q -n %{name}-%{name}_%{version}
+%autosetup -p1 -n %{name}-%{name}_%{version}
+
 dos2unix -k CHANGES LICENSE