Instead of solving this problem on django side, I'd recommend using a tool
such as logrotate for this problem
http://www.rackspace.com/knowledge_center/article/understanding-logrotate-utility


You can customise it to your needs, daily, weekly or per size basis.

One problem with solving it on django side would be, as the django settings
are loaded when you restart the server, and in production you may not want
to load the server every day, the TODAY_STRING would stay as the first day
the settings are loaded. So it's a better practice to solve the logging on
server side.

Best.

- Serdar Dalgıç <s...@serdardalgic.org>
FLOSS Developer, Life & Nature Hacker
twitter:
https://twitter.com/serdaroncode
https://twitter.com/serdarintowild

On Mon, Nov 9, 2015 at 4:40 AM, tolerious feng <toleriousn...@gmail.com>
wrote:

> I want to write django log to different, especially I want to log daily
> log file, such as 2015-11-09-log.txt  2015-11-10-log.txt, this is my
> settings.py file:
>
> TODAY_STRING = datetime.datetime.now().strftime("%F")
> TODAY_LOG_DIR = os.path.dirname(__file__) + "/log/" + TODAY_STRING
> # TODAY_LOG_DIR = "/log/" + TODAY_STRING
> print "*******"
> print SITE_SRC_ROOT
> print TODAY_LOG_DIR
> print os.path.join(SITE_SRC_ROOT, TODAY_LOG_DIR, "todaytotal.log")
> print os.path.join(SITE_SRC_ROOT, "log/" + TODAY_STRING, "todaytotal.log"),
> if os.path.exists(TODAY_LOG_DIR):
>     pass
> else:
>     os.mkdir(TODAY_LOG_DIR)
>
> LOGGING = {
>     'version': 1,
>     'disable_existing_loggers': False,
>     'formatters': {
>         'verbose': {
>             'format': '%(levelname)s: %(asctime)s %(module)s %(process)d 
> %(thread)d %(message)s %(filename)s:%(funcName)s:%(lineno)d'
>         }
>     },
>     'handlers': {
>         'total': {
>             'level': 'DEBUG',
>             'class': 'logging.FileHandler',
>             'formatter': 'verbose',
>             'filename': os.path.join(SITE_SRC_ROOT, "log", "total.txt"),
>         },
>         'todaytotal': {
>             'level': 'DEBUG',
>             'class': 'logging.FileHandler',
>             'formatter': 'verbose',
>             'filename': os.path.join(SITE_SRC_ROOT, "log/" + TODAY_STRING, 
> "todaytotal.txt"),
>         },
>         'dengbin': {
>             'level': 'DEBUG',
>             'class': 'logging.FileHandler',
>             'formatter': 'verbose',
>             'filename': os.path.join(SITE_SRC_ROOT, "log/" + TODAY_STRING, 
> 'dengbin.txt'),
>         },
>         'haiyang': {
>             'level': 'DEBUG',
>             'class': 'logging.FileHandler',
>             'formatter': 'verbose',
>             'filename': os.path.join(SITE_SRC_ROOT, "log/" + TODAY_STRING, 
> 'haiyang.txt'),
>         },
>         'meibo': {
>             'level': 'DEBUG',
>             'class': 'logging.FileHandler',
>             'formatter': 'verbose',
>             'filename': os.path.join(SITE_SRC_ROOT, "log/" + TODAY_STRING, 
> "meibo.txt"),
>         },
>         'xiecheng': {
>             'level': 'DEBUG',
>             'class': 'logging.FileHandler',
>             'formatter': 'verbose',
>             'filename': os.path.join(SITE_SRC_ROOT, "log/" + TODAY_STRING, 
> 'xiecheng.txt'),
>         },
>         'tolerious': {
>             'level': 'DEBUG',
>             'class': 'logging.FileHandler',
>             'formatter': 'verbose',
>             'filename': os.path.join(SITE_SRC_ROOT, "log/" + TODAY_STRING, 
> 'tolerious.txt'),
>         }
>     },
>     'loggers': {
>         'xiecheng': {
>             'handlers': ['xiecheng', 'todaytotal', 'meibo', 'total'],
>             'propagate': False,
>             'level': 'DEBUG',
>         },
>         'dengbin': {
>             'handlers': ['dengbin', 'todaytotal', 'meibo', 'total'],
>             'propagate': False,
>             'level': 'DEBUG',
>         },
>         'haiyang': {
>             'handlers': ['haiyang', 'todaytotal', 'meibo', 'total'],
>             'propagate': False,
>             'level': 'DEBUG',
>         },
>         'tolerious': {
>             'handlers': ['tolerious', 'todaytotal', 'meibo', 'total'],
>             'propagate': False,
>             'level': 'DEBUG',
>         }
>     },
>     'root': {
>         'handlers': ['total'],
>         'level': 'DEBUG',
>     },
> }
>
>
> but this doesn't work, it only log 2015-11-09-log.txt, when today is 
> 2015-11-10, 2015-11-10-log.txt not generated.
>
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