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Bug 631872

Summary: sys-apps/portage: egencache --update-use-local-desc unhandled xml.etree.ElementTree.ParseError
Product: Portage Development Reporter: Zac Medico <zmedico>
Component: CoreAssignee: Portage team <dev-portage>
Status: CONFIRMED ---    
Severity: normal    
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: All   
Whiteboard:
Package list:
Runtime testing required: ---

Description Zac Medico gentoo-dev 2017-09-23 20:19:17 UTC
Any code using xml.etree.ElementTree needs to handle xml.etree.ElementTree.ParseError:

> Traceback (most recent call last):
>   File "/usr/lib/python-exec/python3.4/egencache", line 1119, in <module>
>     sys.exit(egencache_main(sys.argv[1:]))
>   File "/usr/lib/python-exec/python3.4/egencache", line 1067, in egencache_main
>     gen_desc.run()
>   File "/usr/lib/python-exec/python3.4/egencache", line 602, in run
>     target=_MetadataTreeBuilder()))
>   File "/usr/lib64/python3.4/xml/etree/ElementTree.py", line 1186, in parse
>     tree.parse(source, parser)
>   File "/usr/lib64/python3.4/xml/etree/ElementTree.py", line 604, in parse
>     parser.feed(data)
> xml.etree.ElementTree.ParseError: not well-formed (invalid token): line 13, column 18
Comment 1 Zac Medico gentoo-dev 2017-09-23 20:23:06 UTC
It's easy enough to trigger, for example an unexpected close tag raises this:

xml.etree.ElementTree.ParseError: mismatched tag: line 4, column 4