underscore_to_camelcase.py

s='AR_ID BIGINT,AVG_DOWN_SIGNL_NOISE DECIMAL(10,4),AVG_UPSTR_SIGNL_NOISE DECIMAL(10,4),BLG_STN_ID INTEGER,CB_SUB_CNT INTEGER,CBL_SUB_CNT DECIMAL(10,0),CBL_TC_7DAY_CNT DECIMAL(10,0),CMTS_NAME VARCHAR(64) CHARACTER SET LATIN NOT CASESPECIFIC,CMTS_NM VARCHAR(50) CHARACTER SET LATIN NOT CASESPECIFIC,CNSC_RPTED_DAYS_CNT INTEGER,CNT_T3_TMOUT_MODEM DECIMAL(10,4),DIFF_DOWN_SIGNL_NOISE DECIMAL(10,4),DIFF_RXRF_LVL DECIMAL(10,4),DIFF_TXRF_LVL DECIMAL(10,4),DIFF_UPST_SIGNL_NOISE DECIMAL(10,4),FIBR_NODE CHAR(10) CHARACTER SET LATIN NOT CASESPECIFIC,INET_SUB_CNT DECIMAL(10,0),INET_TC_7DAY_CNT DECIMAL(10,0),LP_SRO_CNT DECIMAL(10,0),PCT_COR_DOWN_FEC_ERR DECIMAL(10,4),PCT_COR_UPST_FEC_ERR DECIMAL(10,4),PCT_DVC_CHK_OUT_SPEC DECIMAL(10,4),PCT_UNCOR_DOWN_FEC_ERR DECIMAL(10,4),PCT_UNCOR_UPST_FEC_ERR DECIMAL(10,4),PHN_SUB_CNT DECIMAL(10,0),PHN_TC_7DAY_CNT DECIMAL(10,0),REP_DT TIMESTAMP(0),RGU_CNT DECIMAL(10,0),SCORE DECIMAL(15,1),SIGNL_NOISE_DOWN_CNT DECIMAL(10,4),SUB_CNT DECIMAL(10,0),TC_7DAY_CNT DECIMAL(10,0),TC_PEND_CNT INTEGER,TC_REPT_CNT DECIMAL(10,0),TOT_DVC_CNT DECIMAL(10,4),TOT_DVC_OUT_SPEC DECIMAL(10,4),UPST_CHNL_FREQ_VAR DECIMAL(10,4),UPST_EQ_COEFF_VAR DECIMAL(10,4),UPST_RIP_VAR DECIMAL(10,4)'


def underscore_to_camelcase(value):
    output = ""
    first_word_passed = False
    for word in value.split("_"):
        if not word:
            output += "_"
            continue
        if first_word_passed:
            output += word.capitalize()
        else:
            output += word.lower()
        first_word_passed = True
    return output

underscore_to_camelcase(s)