[Python-ideas] Proporsal: Show an alert in traceback when the source file is newer than compiled code (issue8087)

[Cameron Simpson]

On 07Oct2011 23:59, Michael Foord <fuzzyman at gmail.com> wrote:
| On 7 October 2011 20:53, Diego Mascialino <dmascialino at gmail.com> wrote:
| > Hello,  I opened this issue a long time ago, and Éric Araujo said that
| > it should be discussed on this list.
[...]
| > The problem is that the source shown is updated, but the executed code
| > is old, because it wasn't reloaded.
| >
| > Feature request:
| >
| > If the source code shown was modified after import time and it wasn't
| > reloaded, a warning message should be shown.
| >
| > Example:
| >
| > Traceback (most recent call last):
| >  File "<stdin>", line 1, in <module>
| >  File "mod.py", line 2, in f      WARNING: Modified after import!
| >    a,b,c = 1,2,3
| > ValueError: need more than 2 values to unpack
| >
| > or something like that.
| >
| 
| That would mean every function call would need to check the age of the
| source file and bytecode file on disk and compare!

Only when the traceback was being printed. You would need to stash the
modtime at import for later reference.

Cheers,
-- 
Cameron Simpson <cs at zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/

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