Adding logging in calc addin

[shubhajeet]

I am trying to add logging in the logging in the libreoffice calc addin. But I dont see the files being created. Am I doing anything wrong?

class NepalDataScrapperImpl(unohelper.Base, XNepalDataScrapper):
    def __init__(self, ctx):
        self.ctx = ctx
        self.nepse = NEPSE();
        self.logger=logging.getLogger('nepalDataScrapper')
        hdlr = logging.FileHandler("/var/tmp/log.log")
        formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
        hdlr.setFormatter(formatter)
        self.logger.addHandler(hdlr)

def nepseSharePrice(self,symbol,date=""):
    try:
        price = self.nepse.getSharePrice(symbol,date)
        return float(price[0])
    except:
        self.logger.warn("Unable to fetch price")
        return -1.0