utilz

1 files changed, 68 insertions, 0 deletions

diff --git a/cli/app/utils/logger_utils.py b/cli/app/utils/logger_utils.py
new file mode 100644
index 0000000..f7c9eec
--- /dev/null
+++ b/cli/app/utils/logger_utils.py
@@ -0,0 +1,68 @@
+"""
+Logger instantiator for use with Click utlity scripts
+"""
+import sys
+import os
+import logging
+
+import colorlog
+
+from app.settings import app_cfg as cfg
+
+
+class Logger:
+  
+  logger_name = 'MEGAPIXELS'
+
+  def __init__(self):
+    pass
+
+  @staticmethod
+  def create(verbosity=4, logfile=None):
+    """Configures a logger from click params
+    :param verbosity: (int) between 0 and 5
+    :param logfile: (str) path to logfile
+    :returns: logging root object
+    """
+    
+    loglevel = (5 - (max(0, min(verbosity, 5)))) * 10 # where logging.DEBUG = 10
+    date_format = '%Y-%m-%d %H:%M:%S'
+    if 'colorlog' in sys.modules and os.isatty(2):
+      cformat = '%(log_color)s' + cfg.LOGFILE_FORMAT
+      f = colorlog.ColoredFormatter(cformat, date_format,
+        log_colors = { 'DEBUG'   : 'yellow',       'INFO' : 'white',
+        'WARNING' : 'bold_yellow', 'ERROR': 'bold_red',
+        'CRITICAL': 'bold_red' })
+    else:
+      f = logging.Formatter(cfg.LOGFILE_FORMAT, date_format)
+    
+    # logger = logging.getLogger(Logger.logger_name)
+    logger = logging.getLogger(cfg.LOGGER_NAME)
+    logger.setLevel(loglevel)
+
+    if logfile:
+      # create file handler which logs even debug messages
+      fh = logging.FileHandler(logfile)
+      fh.setLevel(loglevel)
+      logger.addHandler(fh)
+
+    # add colored handler
+    ch = logging.StreamHandler()
+    ch.setFormatter(f)
+    logger.addHandler(ch)
+
+    if verbosity == 0:
+      logger.disabled = True
+
+    # test
+    # logger.debug('Hello Debug')
+    # logger.info('Hello Info')
+    # logger.warn('Hello Warn')
+    # logger.error('Hello Error')
+    # logger.critical('Hello Critical')
+
+    return logger
+
+  @staticmethod
+  def getLogger():
+    return logging.getLogger(cfg.LOGGER_NAME)
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