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compile() passes rest of file as SyntaxError().text when file unreadable #84799
Description
| BPO | 40619 |
|---|---|
| Nosy | @gvanrossum, @lysnikolaou, @pablogsal |
| PRs |
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 = None
closed_at = <Date 2020-05-14.20:12:11.638>
created_at = <Date 2020-05-14.03:57:30.165>
labels = ['type-bug', '3.9']
title = 'compile() passes rest of file as SyntaxError().text when file unreadable'
updated_at = <Date 2020-05-14.20:12:11.637>
user = 'https://github.com/gvanrossum'bugs.python.org fields:
activity = <Date 2020-05-14.20:12:11.637>
actor = 'pablogsal'
assignee = 'none'
closed = True
closed_date = <Date 2020-05-14.20:12:11.638>
closer = 'pablogsal'
components = []
creation = <Date 2020-05-14.03:57:30.165>
creator = 'gvanrossum'
dependencies = []
files = []
hgrepos = []
issue_num = 40619
keywords = ['patch', '3.4regression']
message_count = 2.0
messages = ['368815', '368865']
nosy_count = 3.0
nosy_names = ['gvanrossum', 'lys.nikolaou', 'pablogsal']
pr_nums = ['20090']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue40619'
versions = ['Python 3.9']
Activity
gvanrossum commentedon May 14, 2020
Example:
Note that the input is
pass
(1+)
pass
The second "pass" (and in fact the entire file) leaks into the SyntaxError object's text attribute.
This only happens when the file (here "<string>") cannot be read.
It's not specific to compile(), it seems fundamental in the C-level pegen API.
pablogsal commentedon May 14, 2020
New changeset bcc3036 by Pablo Galindo in branch 'master':
bpo-40619: Correctly handle error lines in programs without file mode (GH-20090)
bcc3036