##Context-based logger and formatters collection##
###Example###
# pip install pyyaml
import logging
import logging.config
import contextlog
import yaml
logging.config.dictConfig(yaml.load("""
version: 1
disable_existing_loggers: false
loggers:
test:
level: DEBUG
handlers: [default]
formatters:
default:
(): contextlog.SmartFormatter
style: "{"
format: "{yellow}{asctime} {log_color}{levelname:>7} {purple}{name:20.20}{reset} CTX={ctx} CTX_INT={ctx_internal} {message}"
handlers:
default:
level: DEBUG
class: logging.StreamHandler
formatter: default
root:
level: DEBUG
handlers: [default]
"""))
log = contextlog.get_logger(__name__, ctx="test")
log.info("Message #1")
def method():
bar = 1
log = contextlog.get_logger(__name__, ctx_internal="method")
log.debug("Message #2")
try:
raise RuntimeError
except:
log.exception("Exception")
method()
log = contextlog.get_logger(__name__)
log.info("Message #3")Results:
2014-07-25 16:24:49,422 INFO __main__ CTX=test CTX_INT= Message #1
2014-07-25 16:24:49,423 DEBUG __main__ CTX=test CTX_INT=method Message #2
2014-07-25 16:24:49,423 ERROR __main__ CTX=test CTX_INT=method Exception
Traceback (most recent call last):
File "foo.py", line 43, in method
raise RuntimeError
RuntimeError
Locals at innermost frame:
{'__logger_context': {'ctx': 'test', 'ctx_internal': 'method'},
'bar': 1,
'log': <contextlog._ContextLogger object at 0x7f8a29c20c50>}
2014-07-25 16:24:49,423 INFO __main__ CTX=test CTX_INT= Message #3