On Friday, September 26, 2014 2:01:36 PM UTC-7, Tim Richardson wrote:
>
> Through a lot of tedious testing to web2py's logging, it boils down to 
> this:
> the python tar extraction libary (tarfile.py) dies when trying to extract 
> a file ending in .py
>

Firing from the hip:   does the extraction succeed in extracting other 
kinds of executable files?

/dps

 

> This only happens when IIS owns the process and is not related in any 
> obvious way to file permissions. The script happily creates folders as 
>  necessary and it extracts other files.
>
> In tarfile.py, this is the code which extracts individual files and writes 
> them (with my loggging included):
>
>     def makefile(self, tarinfo, targetpath):
>         """Make a file called targetpath.
>         """
>         
>         source = self.extractfile(tarinfo)
>
>         try:
>             with bltn_open(targetpath, "wb") as target:  #builtin open
>                 logger.info("  >>> 1. in makefile,open of targetpath  %s 
> was ok " % targetpath)
>                 copyfileobj(source, target)
>                 logger.info("  >>> 2. in makefile,copyfileobj to 
> targetpath  %s was ok " % targetpath)
>         finally:
>             logger.info("  >>> doing finally, closing source in makefile")
>             source.close()
>         logger.info("  >>># leaving makefile") 
>
> When it encounters its first .py file to extract, I get message 2 but that 
> is the last output. The process then dies with no exception. The finally 
> code is not executed. 
> If I modify the archive to remove the .py extension, and re-run, it then 
> dies on the next encounter with a .py file
>
>
>
>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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