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02/02: gnu: python-feedparser: Add Python >=3.9 compatibility.


From: guix-commits
Subject: 02/02: gnu: python-feedparser: Add Python >=3.9 compatibility.
Date: Sat, 18 Mar 2023 04:59:26 -0400 (EDT)

lbraun pushed a commit to branch core-updates
in repository guix.

commit f9bff8614be32f9c2c1a54da80eaed1365b49be3
Author: Lars-Dominik Braun <lars@6xq.net>
AuthorDate: Sat Mar 18 09:50:56 2023 +0100

    gnu: python-feedparser: Add Python >=3.9 compatibility.
    
    * gnu/packages/patches/python-feedparser-missing-import.patch: New file.
    * gnu/local.mk: Add it.
    * gnu/packages/web.scm (python-feedparser): Use it.
---
 gnu/local.mk                                       |  1 +
 .../patches/python-feedparser-missing-import.patch | 34 ++++++++++++++++++++++
 gnu/packages/web.scm                               |  3 +-
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/gnu/local.mk b/gnu/local.mk
index d63e288a48..a4954f9b35 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1636,6 +1636,7 @@ dist_patch_DATA =                                         
\
   %D%/packages/patches/ppsspp-disable-upgrade-and-gold.patch           \
   %D%/packages/patches/pthreadpool-system-libraries.patch      \
   %D%/packages/patches/python-chai-drop-python2.patch          \
+  %D%/packages/patches/python-feedparser-missing-import.patch  \
   %D%/packages/patches/python-louvain-fix-test.patch           \
   %D%/packages/patches/python-random2-getrandbits-test.patch           \
   %D%/packages/patches/python-poppler-qt5-fix-build.patch      \
diff --git a/gnu/packages/patches/python-feedparser-missing-import.patch 
b/gnu/packages/patches/python-feedparser-missing-import.patch
new file mode 100644
index 0000000000..6ed504c1d2
--- /dev/null
+++ b/gnu/packages/patches/python-feedparser-missing-import.patch
@@ -0,0 +1,34 @@
+Since feedparser messes with Python’s internals by assigning
+to __code__ it needs to import SGMLParseError too. It also
+expects SGMLParseError, which was turned into AssertionError by
+https://github.com/python/cpython/commit/e34bbfd61f405eef89e8aa50672b0b25022de320
+
+--- feedparser-6.0.10/feedparser/sgml.py.orig  2023-03-18 09:24:50.976316932 
+0100
++++ feedparser-6.0.10/feedparser/sgml.py       2023-03-18 09:26:32.971928811 
+0100
+@@ -28,6 +28,7 @@
+ import re
+ 
+ import sgmllib
++from sgmllib import SGMLParseError
+ 
+ __all__ = [
+     'sgmllib',
+@@ -41,6 +42,7 @@
+     'shorttagopen',
+     'starttagopen',
+     'endbracket',
++    'SGMLParseError',
+ ]
+ 
+ # sgmllib defines a number of module-level regular expressions that are
+--- feedparser-6.0.10/feedparser/html.py.orig  2023-03-18 09:32:03.647114745 
+0100
++++ feedparser-6.0.10/feedparser/html.py       2023-03-18 09:46:05.021142671 
+0100
+@@ -349,7 +349,7 @@
+ 
+         try:
+             return sgmllib.SGMLParser.parse_declaration(self, i)
+-        except sgmllib.SGMLParseError:
++        except AssertionError:
+             # Escape the doctype declaration and continue parsing.
+             self.handle_data('&lt;')
+             return i+1
diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 6e79fe99b8..9f45d24716 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -4750,7 +4750,8 @@ their web site.")
        (method url-fetch)
        (uri (pypi-uri "feedparser" version ".tar.gz"))
        (sha256
-        (base32 "0lfa1c8s6abnlksbwxdpq78bg4rb6603mcgarmip3kip8rglini7"))))
+        (base32 "0lfa1c8s6abnlksbwxdpq78bg4rb6603mcgarmip3kip8rglini7"))
+       (patches (search-patches "python-feedparser-missing-import.patch"))))
     (build-system python-build-system)
     (propagated-inputs
      (list python-sgmllib3k))



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