IronPython “LookupError: unknown encoding: hex”

2019-04-08 05:35发布

When I try to "import simplejson" (or something that depends on it) in IronPython 2.0, I get "LookupError: unknown encoding: hex". How do I make this work?

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再贱就再见
2楼-- · 2019-04-08 05:54

The workaround for this is to import the hex codec manually before attempting to import the broken dependency:

from encodings import hex_codec

The issue is being tracked by IronPython, but so far, they claim it's a bug in the standard Python library.

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Bombasti
3楼-- · 2019-04-08 06:05

Thanks, sblom. I think IronPython crew are right in saying its a bug in the standard library (or at least Freeze tool as of 2.7). Problem occurs with "frozen" programs iffrom encodings import hex_codec is not explicitly written in the script.

Sorry to 'necro-post', but this issue I feel was relevant, at least in regard to the Freeze tool.

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