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
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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