examples/regex/bad.json
{
   subscriptions : [
      {
         name : "Foo Bar",
         source_name : "pypi",
         space names : [
            "Foo", "Bar"
         ]
      }
   ]
}
examples/regex/read_json.py
from __future__ import print_function
import re, json, os

json_file = os.path.join(
    os.path.dirname(__file__),
    'bad.json'
)
with open(json_file) as fh:
    data = json.load(fh)  # ValueError: Expecting property name: line 2 column 4 (char 5)
examples/regex/read_json_fixed.py
from __future__ import print_function
import re, json, os

def fix(s):
    return re.sub(r'(\s)([^:\s][^:]+[^:\s])(\s+:)', r'\1"\2"\3', s)

json_file = os.path.join(
    os.path.dirname(__file__),
    'bad.json'
)
with open(json_file) as fh:
    bad_json_rows = fh.readlines()
    json_str = ''.join(map(fix, bad_json_rows))
    print(json_str)
    data = json.loads(json_str)
    print(data)