Hello again list,
I didn't expect to be back so soon. :) I'm trying to log my new script, and
logger.info() works fine. However, logger.exception() doesn't; I see the
exception print to stderr, and it never appears in the log. Oddly, info
messages after that appear in the shell and in my log, whereas normally
they are only in the log. Here's my logger setup:
logger = logging.getLogger(appName)
logger.setLevel(logging.DEBUG)
infoLogFormatter = logging.Formatter("%(asctime)s\n%(name)s, %(levelname)s:
%(message)s", datefmt = "%I:%M:%S %p, %B %d, %Y")
infoLogFileName = appName+".log"
infoFileHandler = logging.FileHandler(infoLogFileName, mode="w")
infoFileHandler.level = logging.INFO
infoFileHandler.setFormatter(infoLogFormatter)
logger.addHandler(infoFileHandler)
Then, I deliberately called a non-existant function:
for rep in reps:
try:
workbook = xlsxwriter.Workbook(workbookName)
worksheet = workbook.addWorksheet(rep.name) #should be add_worksheet, so
this errors out
except:
logging.exception("Error generating spreadsheet for {name}".format(name=
rep.name))
The string I pass to logging.exception, along with the stack trace, print
to the command line and not to my log file. Other logging.info() calls also
print to the command line, but they also appear in the log. I haven't done
much with logging before, and what I have done has been debug only, never
exceptions. The resolution to this will likely be obvious, but when I
looked it up, I found only information about how to log exceptions. No one
seems to have the problem of exceptions not being logged correctly.
As a quick aside, is there an easy way to halt script execution for some
exceptions? Right now, catching them means that execution continues, but I
sometimes want to log the problem and then abort the script, as the error
means it shouldn't continue. Thanks.
--
Alex Hall
Automatic Distributors, IT department
ah...@autodist.com
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