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pyhocon does not handle backslashes the same way json does #171

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joelgrus opened this Issue Jun 19, 2018 · 1 comment

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joelgrus commented Jun 19, 2018

In [1]: import json, pyhocon

In [2]: single = r'{"a": "b\.c"}'

In [3]: double = r'{"a": "b\\.c"}'

In [4]: json.loads(single)
---------------------------------------------------------------------------
JSONDecodeError...

In [5]: json.loads(double)
Out[5]: {'a': 'b\\.c'}

In [6]: pyhocon.ConfigFactory.parse_string(single)
Out[6]: ConfigTree([('a', 'b\\.c')])

In [7]: pyhocon.ConfigFactory.parse_string(double)
Out[7]: ConfigTree([('a', 'b\\\\.c')])

In [8]: json.dumps(json.loads(double))
Out[8]: '{"a": "b\\\\.c"}'

In [9]: json.dumps(json.loads(double)) == double
Out[9]: True

In [10]: json.dumps(pyhocon.ConfigFactory.parse_string(double))
Out[10]: '{"a": "b\\\\\\\\.c"}'

In [11]: json.dumps(pyhocon.ConfigFactory.parse_string(double)) == double
Out[11]: False

I looked at the HOCON documentation and I couldn't find explicit guidance, but I'd expect that my single example would be invalid HOCON (it's invalid JSON?) and that my double example would get parsed the same way that json.loads does it?

@roee30

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roee30 commented Jul 8, 2018

Does this have a fix?

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