def config_file(self, value):
""""""
if value is False:
self._CONFIG_FILE = False
return
# No change
elif value == self.config_file:
return
# Something IS different
_value = str(value).strip()
err = "ConfigHandler.config_file.setter: Parameter 'config_file' must be in the format '/dir1/dir2/filename.conf'. (config_file='{V}')".format(
V=_value)
for p in ["void", "none", "false"]:
if (len(_value) < 2
or re.match("^{p}$".format(p=p), _value, re.IGNORECASE)):
self._CONFIG_FILE = False
log.debug(
"ConfigHandler.config_file.setter: config_file set to 'False'."
)
return
# Check config file exists
if not checks.isFile(
_value): #, full = True, relative = False, trailing = False):
raise ValueError(
"config_file '{F}' does not appear to exist or is not readable. {E}"
.format(F=_value, E=err))
# Set
self._CONFIG_FILE = _value
# Load it by default. No time like the present
self._load_all_from_config_file()
return
def __init__(
self,
config_file=False, # Param so it can be passed in blind
*args,
**kwargs):
""""""
# Call here to start logging with whats in kwargs
# DO PASS IN KWARGS here
self.override_log(kwargs)
# Actually creates the loghandler object.
log.debug('Initiating logger with {K}'.format(K=str(kwargs)), **kwargs)
log.info(
"ConfigHandler called with '{F}'".format(F=str(self.config_file)))
# self.override_log(**kwargs)
# Singleton. If confighandler object exists, do not re-run __init__,
if self.__exists:
# this will defacto Re-run the config file
if kwargs.pop('reload', False):
self.config_file = self._CONFIG_FILE
# __init__get run everytime even if singletone. So if exists, return
return
# **kwargs here passes in loghandler parameers from ConfigHandler instantiation
try:
self.callobj = inspect.stack()[1][0].f_locals['self']
self.caller_name = sys._current_frames().values()[0]
self.caller_name = self.caller_name.f_back.f_globals['__file__']
self.caller_name = os.path.basename(self.caller_name)
self.caller_name = self.caller_name.lower().replace('.py', '')
except KeyError as e:
log.debug(
"ConfigHandler was instantiated by a non-class-object. Creating empty placeholder object"
)
self.callobj = Callobj()
self.caller_name = 'UNKNOWN_CALLER'
# DEFAULT PARAMETERS ARE SET HERE
# This defacto loads the config file
self.config_file = config_file
# log.info("Using config_file: '" + str(self.config_file) + "'.")
# self._load_all_from_config_file()
# else:
# log.info("NO CONFIG FILE LOADED. CREATING BLANK OBJECT. ('config_file' = False).")
# Now that we have parsed the config file, use any logging params from the config file
# DO NOT PASS KWARGS to use settings loaded from config_file!!!
self.override_log()
def override_log(self, *args, **kwargs):
"""
This overrides any parameters in the existing LogHandler object
The logic is:
- If the ConfigHandler object has a log attribute, it was picked up
from the config_file, so should override whats in there.
- Any kwargs passed in should override the stuff in the ConfigHandler
object.
- If there's no ConfigHandler object attribute AND no kwarg passed in,
setting 'UNCHANGED' will be passed to the log object...meaning ignore
the variable.
"""
# List of log params
# _params = ["app_name", "logfile", "log_level", "screendump", "format", "create_paths", "migrate"]
# Holder for updated log parameters
# _log = ''
_log_kwargs = {}
# These are the LogHandler object params
for _param in [
"app_name", "logfile", "log_level", "screendump", "format",
"create_paths", "migrate"
]:
# Set the log param to the existing log param, if it exists.
try:
_value = kwargs.pop(_param, False) # Always returns value
# Set _log_kwargs[_param] to passed in value, or the existing config object parameter
if _value:
_log_kwargs[_param] = _value # Passed to log call
vars(
)[_param] = _value # Sets to local configHandler object
# KeyError if no self.vars()[_param].Pass
except KeyError:
pass # _log_kwargs[_param] = 'UNCHANGED'
# Now that _log_kwargs is loaded with ONLY pertinent params,
### THE CALL TO LOG.DEBUG IS WHAT ACTUALLY RESETS THE PARAMETERS ######
if len(_log_kwargs) > 0: # No params to change
log.debug(
"Resetting the following log parameters: {P}".format(
P=str(_log_kwargs)), **_log_kwargs)
def load(self, config_file, *args, **kwargs):
log.debug(
"ConfigHandler.load: Loading '{F}'".format(F=str(config_file)))
self.config_file = config_file
except ValueError:
pass
# if (re.match("^[0-9]+\.[0-9]*$", value)): return float(value)
# if (re.match("^[0-9]+$", value)): return int(value)
# Check for list and dict
if (value.startswith('[') or value.startswith('{')):
return ast.literal_eval(value)
# Otherwise just return original string, no conversion
return value
if __name__ == "__main__":
# import time
log.debug(
"Starting CUPS-QRNote-backend",
app_name="QRNote",
logfile="syslog",
log_level=10,
screendump=True,
# formatter = '%(asctime)s-%(name)s-%(levelname)s-%(message)s',
create_paths=True)
# o = ConfigHandler("/Users/mikes/Documents/Eclipseworkspace/Bioproximity/OpenMS-Python-Luigi/site-packages/Bioproximity/etc/Workflow.conf")
o = ConfigHandler(None)
print o.config_file
print o.AWS_ID
#===========================================================================
# o.var1 = 'test'
# print o.var1
# time.sleep(.5)
# print o.var2
#===========================================================================
#===============================================================================