SyntaxWarning for backquotes

[anthonybaxter]

BPO	1631035
Nosy	@Yhg1s, @tiran
Files	backticks.diff: backticks.diff notequals.diff: notequals.diff

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/Yhg1s'
closed_at = <Date 2007-12-18.11:54:06.366>
created_at = <Date 2007-01-09.01:26:32.000>
labels = ['interpreter-core']
title = 'SyntaxWarning for backquotes'
updated_at = <Date 2007-12-18.11:54:06.365>
user = 'https://bugs.python.org/anthonybaxter'

bugs.python.org fields:

activity = <Date 2007-12-18.11:54:06.365>
actor = 'christian.heimes'
assignee = 'twouters'
closed = True
closed_date = <Date 2007-12-18.11:54:06.366>
closer = 'christian.heimes'
components = ['Interpreter Core']
creation = <Date 2007-01-09.01:26:32.000>
creator = 'anthonybaxter'
dependencies = []
files = ['7706', '7707']
hgrepos = []
issue_num = 1631035
keywords = ['patch']
message_count = 4.0
messages = ['51711', '51712', '51713', '58739']
nosy_count = 4.0
nosy_names = ['twouters', 'nnorwitz', 'anthonybaxter', 'christian.heimes']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue1631035'
versions = ['Python 2.6']

[anthonybaxter]

The following patch (for 2.6) issues a SyntaxWarning for backquotes/backticks in source code. I had to add the filename to struct compiling in Python/ast.c - this seems like the neatest way to get the filename passed around. (see also the XXX before ast_error)

Assigned to twouters, since it was his idea in the first place.

[anthonybaxter]

And here's another one (on top of the last one) that also emits SyntaxWarnings for <>

Not sure I like 'NOTEQUALSOLD' as a token name, but I couldn't think of anything better.

This one should probably be only enabled when the Py3K warnings flag is on.

File Added: notequals.diff

[nnorwitz]

Also see http://python.org/sf/1683908 that has some other warnings impl.

[tiran]

Warnings for <> and `` were added a while ago.