jc blog - tales of a modern-day nomadic hunter-gatherer

Follow jcomeau_ictx on Twitter This is the weblog of Intrepid Wanderer. You never know what you might find here; graphic descriptions of bodily functions, computer programming secrets, proselytizing for the antichrist, miscellaneous ranting and kvetching, valuable information on living off the land... if you don't share my rather weird interests you may want to try slashdot instead.

You can consider my Del.icio.us links an extension to my blog, as are my LifeTango goals and my other to-do items. My to-buy list is also public, but only for sharing any useful ideas that might be there; I'm not requesting charity, neither do I offer it.

You can find me easily in google searches, as jcomeau, jcomeau_ictx, or jcomeauictx. There are lots of other jcomeaus, but AFAIK I'm the only jcomeau_ictx out there so far.

If you want to comment on anything you see here, try the new Facebook comments, reachable by clicking the "[comment]" link at the end of each post. If for some reason that isn't working, go ahead and email me, jc.unternet.net. You know what to do with the first dot. Make the 'subject' line something reasonably intelligent-looking or it goes plunk! into the spambasket unread.

This RSS feed may or may not work. Haven't fiddled with it in forever. RSS Feed


2021-10-21-0715Z

I wasn't able to build wxpython on my Bullseye system even after taking the plunge and installing python2-pip. I was getting the error No package 'gtk+-3.0' found.

Found my answer here and it's building, but it may take all night at this rate.

That's for xacpi, my little Python2 script for a battery level icon on my minimalist fluxbox system.

The other program that hasn't run since the Bullseye upgrade is the original version of kybyz. I was able to python2 -m pip install rsa==4.3, and markdown, but don't know of an easy way to get uwsgi-plugin-python. So I chrooted into my buster32 debootstrap, apt-get source uwsgi-plugin-python, and now I have to remember/google how to rebuild a Debian package. Fun times. [comment]

2021-10-18-0738Z

For obscure reasons, I wanted to log certain messages to a dynamically created webpage, in addition to stderr and a logfile. Googling brought up all kinds of possible ways, but I finally settled on extending logging.NullHandler:

class DequeHandler(logging.NullHandler):
    '''
    simple handler to append log record to queue
    '''
    def handle(self, record):
        if hasattr(record, 'to_page'):
            MESSAGE_QUEUE.append(':'.join([
                record.name,
                record.levelname,
                record.msg % record.args
            ]))

logging.getLogger('').addHandler(DequeHandler())

Then, when the webpage is generated, I just loop through the deque. To have a message inserted into it, you need to add the extra parameter to the logging call: logging.warning('This logs to all handlers', extra={'to_page': True}).

Due to my not checking, it would still go to the queue if `to_page` were set to False, but I'm not even going to worry about that.

I've been lax on updating my blog lately, preferring to facebook and tweet whatever I had to say. But I've got to wean myself off those timewasters. [comment]

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