TypeError: 'in <string>' requires string as left operand, not Element
Dave Angel
d at davea.name
Sun Dec 9 20:19:30 EST 2012
On 12/09/2012 07:52 PM, Victor Hooi wrote:
> Hi,
>
> I'm getting a strange error when I try to run the following:
>
> for root, dirs, files in os.walk('./'):
> for file in files:
> if file.startswith('ml') and file.endswith('.xml') and 'entity' not in file:
> print(root)
> print(file)
> with open(os.path.join(root, file), 'r') as f:
> print(f.name)
> try:
> tree = etree.parse(f)
> root = tree.getroot()
> print(f.name)
> print(root.tag)
> except xml.parsers.expat.ExpatError as e:
> print('Unable to parse file {0} - {1}'.format(f.name, e.message))
>
Where's the printout of the root and file variables? You're asking
os.path.join to work on them, and it's clearly upset about their types.
I see print statements, so you clearly were thinking along these lines.
But you don't show them. BTW, I'd be using print(repr(root)) and
print(repr(file)) instead, so you get a better idea of their type and value.
My guess for the problem is that you're trashing 'root' with the
contents of your try block. Try using a different name for the xml stuff.
> The error is:
>
> Traceback (most recent call last):
> File "foo.py", line 275, in <module>
> marketlink_configfiles()
> File "foo.py", line 83, in bar
> with open(os.path.join(root, file), 'r') as f:
> File "C:\Python27\lib\ntpath.py", line 97, in join
> if path[-1] in "/\\":
> TypeError: 'in <string>' requires string as left operand, not Element
>
> Cheers,
> Victor
Incidentally, 'file' is a builtin type, so it's probably not a good idea
to hide it by using it as your own local variable.
--
DaveA
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