import pyparsing as pp
from pyparsing import pyparsing_common as ppc

def make_keyword(kwd_str, kwd_value):
    return pp.Keyword(kwd_str).setParseAction(pp.replaceWith(kwd_value))
TRUE  = make_keyword("true", True)
FALSE = make_keyword("false", False)
NULL  = make_keyword("null", None)

LBRACK, RBRACK, LBRACE, RBRACE, COLON = map(pp.Suppress, "[]{}:")

jsonString = pp.OneOrMore(pp.CharsNotIn('{}[]:,'))
jsonNumber = ppc.number()

jsonObject = pp.Forward()
jsonValue = pp.Forward()
jsonElements = pp.delimitedList( jsonValue )
jsonArray = pp.Group(LBRACK + pp.Optional(jsonElements, []) + RBRACK)
jsonValue << (jsonString | jsonNumber | pp.Group(jsonObject)  | jsonArray | TRUE | FALSE | NULL)
memberDef = pp.Group(jsonString + COLON + jsonValue)
jsonMembers = pp.delimitedList(memberDef)
jsonObject << pp.Dict(LBRACE + pp.Optional(jsonMembers) + RBRACE)

jsonComment = pp.cppStyleComment
jsonObject.ignore(jsonComment)


if __name__ == "__main__":
    s ='{source: s3, aws_access_key_id: myaws, aws_secret_access_key: REDACTED_POSSIBLE_AWS_SECRET_ACCESS_KEY, bucketName: bucket, region_name: eu-west-1, fileType: zip, typeIngestion: FULL, project: trackingcampaigns, functionalArea: client, filePaths: [s3Sensor/2018/], prefixFiles: [Tracking_Sent, Tracking_Bounces, Tracking_Opens, Tracking_Clicks, Tracking_SendJobs], prefixToTables: {Tracking_Bounces: MNG_TRACKING_EXTRACT_BOUNCES_3, Tracking_Sent: MNG_TRACKING_EXTRACT_SENT_3, Tracking_Clicks: MNG_TRACKING_EXTRACT_CLICKS_3, Tracking_Opens: MNG_TRACKING_EXTRACT_OPENS_3, Tracking_SendJobs: MNG_TRACKING_EXTRACT_SENDJOBS_3}, stagingPath: /zipFiles/}'

    results = jsonObject.parseString(s)
    results.pprint()
    print()
    def testPrint(x):
        print(type(x), repr(x))
    testPrint(results)