Learning to log for robust error checking

$ [sudo] pip install numpy

$ conda install numpy

$ [sudo] pip install appdirs

[loggers]
keys=root

[handlers]
keys=consoleHandler,fileHandler

[formatters]
keys=simpleFormatter

[logger_root]
level=DEBUG
handlers=consoleHandler,fileHandler

[handler_consoleHandler]
class=StreamHandler
level=INFO
formatter=simpleFormatter
args=(sys.stdout,)

[handler_fileHandler]
class=dautil.log_api.VersionsLogFileHandler
formatter=simpleFormatter
args=('versions.log',)

[formatter_simpleFormatter]
format=%(asctime)s - %(name)s - %(levelname)s - %(message)s
datefmt=%d-%b-%Y

from pkg_resources import get_distribution
from pkg_resources import resource_filename
import logging
import logging.config
import pprint
from appdirs import AppDirs
import os


def get_logger(name):
    log_config = resource_filename(__name__, 'log.conf')
    logging.config.fileConfig(log_config)
    logger = logging.getLogger(name)

    return logger


def shorten(module_name):
    dot_i = module_name.find('.')

    return module_name[:dot_i]


def log(modules, name):
    skiplist = ['pkg_resources', 'distutils']

    logger = get_logger(name)
    logger.debug('Inside the log function')

    for k in modules.keys():
        str_k = str(k)

        if '.version' in str_k:
            short = shorten(str_k)

            if short in skiplist:
                continue

            try:
                logger.info('%s=%s' % (short,    
                            get_distribution(short).version))
            except ImportError:
                logger.warn('Could not impport', short)


class VersionsLogFileHandler(logging.FileHandler):
    def __init__(self, fName):
        dirs = AppDirs("PythonDataAnalysisCookbook", 
                       "Ivan Idris")
        path = dirs.user_log_dir
        print(path)

        if not os.path.exists(path):
            os.mkdir(path)

        super(VersionsLogFileHandler, self).__init__(
              os.path.join(path, fName))

import sys
import numpy as np
import matplotlib.pyplot as plt
import pandas as pd
from dautil import log_api

log_api.log(sys.modules, sys.argv[0])