Extract python objects from a string

Question

I have files with data looking like

{u'session_id': u'6a208c8cfada4048b26ea7811cbac20f'}

That is, key value pairs and arrays of objects with key value pairs which are of the form u'key' : u'value'

More specifically, the files I see look like what one gets after calling json.loads()on a JSON file.

I want to some how get the data present in these files as python objects or at least valid JSON format (some thing like reverse of json.loads()) so that I can do something like obj['session_id'] and get "6a208c8cfada4048b26ea7811cbac20f".

Thanks in advance

Burhan Khalid · Accepted Answer · 2014-09-24 06:12:47Z

3

You can use literal_eval from the ast module, which is better than using eval directly:

>>> ast.literal_eval("{u'session_id': u'6a208c8cfada4048b26ea7811cbac20f'}")['session_id']
u'6a208c8cfada4048b26ea7811cbac20f'
>>> z = ast.literal_eval("{u'session_id': u'6a208c8cfada4048b26ea7811cbac20f'}")
>>> isinstance(z, dict)
True

answered Sep 24, 2014 at 6:12

Burhan Khalid

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