#!/usr/bin/env python
import os
import ast
import logging
from linchpin.context import LinchpinContext
[docs]class LinchpinCliContext(LinchpinContext):
"""
Context object, which will be used to manage the cli,
and load the configuration file
"""
def __init__(self):
"""
Initializes basic variables
"""
# The following values are set in the parent class
#
# self.version = __version__
# self.verbose = False
#
# self.lib_path = '{0}'.format(os.path.dirname(
# os.path.realpath(__file__)))
#
# self.cfgs = {}
LinchpinContext.__init__(self)
[docs] def load_config(self, lpconfig=None):
if not self.workspace:
self.workspace = os.path.realpath(os.path.curdir)
search_path = [
'{0}/linchpin.conf'.format(self.lib_path),
'/etc/linchpin.conf',
'~/.config/linchpin/linchpin.conf',
'{0}/linchpin.conf'.format(self.workspace)
]
if lpconfig:
search_path = [lpconfig]
return super(LinchpinCliContext,
self).load_config(search_path=search_path)
@property
def pinfile(self):
"""
getter function for pinfile name
"""
return self.get_cfg('init', 'pinfile')
@pinfile.setter
def pinfile(self, pinfile):
"""
setter for workspace
"""
self.set_cfg('init', 'pinfile', pinfile)
@property
def workspace(self):
"""
getter function for workspace
"""
return self.get_cfg('lp', 'workspace')
@workspace.setter
def workspace(self, workspace):
"""
setter for workspace
"""
self.set_cfg('lp', 'workspace', workspace)
self.set_evar('workspace', workspace)
[docs] def setup_logging(self):
"""
Setup logging to a file, console, or both. Modifying the `linchpin.conf`
appropriately will provide functionality.
"""
self.enable_logging = ast.literal_eval(
self.cfgs['logger'].get('enable', 'True'))
if self.enable_logging:
# create logger
self.logger = logging.getLogger('lp_logger')
self.logger.setLevel(eval(self.cfgs['logger'].get('level',
'logging.DEBUG')))
fh = logging.FileHandler(self.cfgs['logger'].get('file',
'linchpin.log'))
fh.setLevel(eval(self.cfgs['logger'].get('level',
'logging.DEBUG')))
formatter = logging.Formatter(
self.cfgs['logger'].get('format',
'%(levelname)s'
' %(asctime)s %(message)s'))
fh.setFormatter(formatter)
self.logger.addHandler(fh)
self.console = logging.getLogger('lp_console')
self.console.setLevel(eval(self.cfgs['console'].get('level',
'logging.INFO')))
ch = logging.StreamHandler()
ch.setLevel(eval(self.cfgs['console'].get('level',
'logging.INFO')))
formatter = logging.Formatter(
self.cfgs['console'].get('format', '%(message)s'))
ch.setFormatter(formatter)
self.console.addHandler(ch)
[docs] def log(self, msg, **kwargs):
"""
Logs a message to a logfile or the console
:param msg: message to log
:param lvl: keyword argument defining the log level
:param msg_type: keyword argument giving more flexibility.
.. note:: Only msg_type `STATE` is currently implemented.
"""
lvl = kwargs.get('level')
msg_type = kwargs.get('msg_type')
if lvl is None:
lvl = logging.INFO
if self.verbose and not msg_type:
self.console.log(logging.INFO, msg)
state_msg = msg
if msg_type == 'STATE':
state_msg = 'STATE - {0}'.format(msg)
self.console.log(logging.INFO, msg)
if self.enable_logging:
self.logger.log(lvl, state_msg)
[docs] def log_state(self, msg):
"""Logs a message to stdout"""
self.log(msg, msg_type='STATE', level=logging.DEBUG)
[docs] def log_info(self, msg):
"""Logs an INFO message """
self.log(msg, level=logging.INFO)
[docs] def log_debug(self, msg):
"""Logs a DEBUG message"""
self.log(msg, level=logging.DEBUG)