* bug#55573: 29.0.50; python.el font-locks invalid class/function names
@ 2022-05-22 13:20 kobarity
2022-05-22 16:53 ` Lars Ingebrigtsen
0 siblings, 1 reply; 2+ messages in thread
From: kobarity @ 2022-05-22 13:20 UTC (permalink / raw)
To: 55573
[-- Attachment #1: Type: text/plain, Size: 2838 bytes --]
When the following Python file is loaded using emacs -Q and M-x
find-file, "1func" is font-locked as a function name although it is not
a valid function name.
#+begin_src python
def 1func():
pass
#+end_src
Attached is my proposal to fix this issue.
In GNU Emacs 29.0.50 (build 4, x86_64-pc-linux-gnu)
of 2022-05-21 built on ubuntu
Repository revision: 208102fa470e3417320062cdb48a9967d80bf092
Repository branch: master
System Description: Ubuntu 22.04 LTS
Configured using:
'configure --without-x --with-gnutls=ifavailable'
Configured features:
ACL LIBXML2 MODULES NOTIFY INOTIFY PDUMPER SECCOMP SOUND SQLITE3 THREADS
XIM ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Python
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
line-number-mode: t
transient-mark-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message mailcap yank-media rmc puny
dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg
rfc6068 epg-config gnus-util text-property-search time-date mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
wombat-theme manoj-dark-theme dichromacy-theme cus-theme cus-edit pp
cus-start cus-load wid-edit python json map comint regexp-opt ring
cl-loaddefs cl-lib ansi-color seq term/screen term/xterm xterm gv subr-x
byte-opt bytecomp byte-compile cconv iso-transl tooltip eldoc paren
electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode
tabulated-list replace newcomment text-mode lisp-mode prog-mode register
page tab-bar menu-bar rfn-eshadow isearch easymenu timer select mouse
jit-lock font-lock syntax font-core term/tty-colors frame minibuffer
nadvice simple cl-generic cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
faces cus-face macroexp files window text-properties overlay sha1 md5
base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads inotify multi-tty
make-network-process emacs)
Memory information:
((conses 16 84231 7303)
(symbols 48 8723 1)
(strings 32 23861 1652)
(string-bytes 1 712652)
(vectors 16 12013)
(vector-slots 8 139506 3457)
(floats 8 51 673)
(intervals 56 316 4)
(buffers 992 13))
[-- Attachment #2: fix-python-font-lock-keywords-level-1.patch --]
[-- Type: application/octet-stream, Size: 1578 bytes --]
diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index c1368364a9..9adbb82abf 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -540,9 +540,9 @@ python--font-lock-f-strings
(setq ppss (syntax-ppss))))))
(defvar python-font-lock-keywords-level-1
- `((,(rx symbol-start "def" (1+ space) (group (1+ (or word ?_))))
+ `((,(python-rx symbol-start "def" (1+ space) (group symbol-name))
(1 font-lock-function-name-face))
- (,(rx symbol-start "class" (1+ space) (group (1+ (or word ?_))))
+ (,(python-rx symbol-start "class" (1+ space) (group symbol-name))
(1 font-lock-type-face)))
"Font lock keywords to use in `python-mode' for level 1 decoration.
diff --git a/test/lisp/progmodes/python-tests.el b/test/lisp/progmodes/python-tests.el
index a3f778bbbe..479d68a062 100644
--- a/test/lisp/progmodes/python-tests.el
+++ b/test/lisp/progmodes/python-tests.el
@@ -214,6 +214,18 @@ python-syntax-after-python-backspace
(should (string= (buffer-string) "\"\""))
(should (null (nth 3 (syntax-ppss))))))
+(ert-deftest python-font-lock-keywords-level-1-1 ()
+ (python-tests-assert-faces
+ "def func():"
+ '((1 . font-lock-keyword-face) (4)
+ (5 . font-lock-function-name-face) (9))))
+
+(ert-deftest python-font-lock-keywords-level-1-2 ()
+ "Invalid function name should not be font-locked."
+ (python-tests-assert-faces
+ "def 1func():"
+ '((1 . font-lock-keyword-face) (4))))
+
(ert-deftest python-font-lock-assignment-statement-1 ()
(python-tests-assert-faces
"a, b, c = 1, 2, 3"
^ permalink raw reply related [flat|nested] 2+ messages in thread
* bug#55573: 29.0.50; python.el font-locks invalid class/function names
2022-05-22 13:20 bug#55573: 29.0.50; python.el font-locks invalid class/function names kobarity
@ 2022-05-22 16:53 ` Lars Ingebrigtsen
0 siblings, 0 replies; 2+ messages in thread
From: Lars Ingebrigtsen @ 2022-05-22 16:53 UTC (permalink / raw)
To: kobarity; +Cc: 55573
kobarity <kobarity@gmail.com> writes:
> When the following Python file is loaded using emacs -Q and M-x
> find-file, "1func" is font-locked as a function name although it is not
> a valid function name.
>
> #+begin_src python
> def 1func():
> pass
> #+end_src
>
> Attached is my proposal to fix this issue.
Thanks; pushed to Emacs 29.
For future patches, including ChangeLog style commit messages would be
appreciated.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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2022-05-22 13:20 bug#55573: 29.0.50; python.el font-locks invalid class/function names kobarity
2022-05-22 16:53 ` Lars Ingebrigtsen
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