Rewrite bfxapi/utils/logger.py with new ColoredLogger.

bfxapi/utils/logger.py

@@ -1,99 +1,52 @@
-"""
-Module used to describe all of the different data types
-"""
-
 import logging
 
+BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
+
 RESET_SEQ = "\033[0m"
+
 COLOR_SEQ = "\033[1;%dm"
+ITALIC_COLOR_SEQ = "\033[3;%dm"
+UNDERLINE_COLOR_SEQ = "\033[4;%dm"
+
 BOLD_SEQ = "\033[1m"
-UNDERLINE_SEQ = "\033[04m"
-
-YELLOW = '\033[93m'
-WHITE = '\33[37m'
-BLUE = '\033[34m'
-LIGHT_BLUE = '\033[94m'
-RED = '\033[91m'
-GREY = '\33[90m'
-
-KEYWORD_COLORS = {
-    'WARNING': YELLOW,
-    'INFO': LIGHT_BLUE,
-    'DEBUG': WHITE,
-    'CRITICAL': YELLOW,
-    'ERROR': RED,
-    'TRADE': '\33[102m\33[30m'
-}
 
 def formatter_message(message, use_color = True):
-    """
-    Syntax highlight certain keywords
-    """
     if use_color:
         message = message.replace("$RESET", RESET_SEQ).replace("$BOLD", BOLD_SEQ)
     else:
         message = message.replace("$RESET", "").replace("$BOLD", "")
     return message
 
-def format_word(message, word, color_seq, bold=False, underline=False):
-    """
-    Surround the given word with a sequence
-    """
-    replacer = color_seq + word + RESET_SEQ
-    if underline:
-        replacer = UNDERLINE_SEQ + replacer
-    if bold:
-        replacer = BOLD_SEQ + replacer
-    return message.replace(word, replacer)
+COLORS = {
+    "DEBUG": CYAN,
+    "INFO": BLUE,
+    "WARNING": YELLOW,
+    "ERROR": RED
+}
 
-class Formatter(logging.Formatter):
-  """
-  This Formatted simply colors in the levelname i.e 'INFO', 'DEBUG'
-  """
-  def __init__(self, msg, use_color = True):
-    logging.Formatter.__init__(self, msg)
-    self.use_color = use_color
+class _ColoredFormatter(logging.Formatter):
+    def __init__(self, msg, use_color = True):
+        logging.Formatter.__init__(self, msg, "%d-%m-%Y %H:%M:%S")
+        self.use_color = use_color
 
-  def format(self, record):
-    """
-    Format and highlight certain keywords
-    """
-    levelname = record.levelname
-    if self.use_color and levelname in KEYWORD_COLORS:
-        levelname_color = KEYWORD_COLORS[levelname] + levelname + RESET_SEQ
-        record.levelname = levelname_color
-    record.name = GREY + record.name + RESET_SEQ
-    return logging.Formatter.format(self, record)
+    def format(self, record):
+        levelname = record.levelname
+        if self.use_color and levelname in COLORS:
+            levelname_color = COLOR_SEQ % (30 + COLORS[levelname]) + levelname + RESET_SEQ
+            record.levelname = levelname_color
+        record.name = ITALIC_COLOR_SEQ % (30 + BLACK) + record.name + RESET_SEQ
+        return logging.Formatter.format(self, record)
 
-class CustomLogger(logging.Logger):
-    """
-    This adds extra logging functions such as logger.trade and also
-    sets the logger to use the custom formatter
-    """
-    FORMAT = "[$BOLD%(name)s$RESET] [%(levelname)s] %(message)s"
+class ColoredLogger(logging.Logger):
+    FORMAT = "[$BOLD%(name)s$RESET] [%(asctime)s] [%(levelname)s] %(message)s"
+    
     COLOR_FORMAT = formatter_message(FORMAT, True)
-    TRADE = 50
+    
+    def __init__(self, name, level):
+        logging.Logger.__init__(self, name, level)                
 
-    def __init__(self, name, logLevel='DEBUG'):
-        logging.Logger.__init__(self, name, logLevel)                
-        color_formatter = Formatter(self.COLOR_FORMAT)
+        colored_formatter = _ColoredFormatter(self.COLOR_FORMAT)
         console = logging.StreamHandler()
-        console.setFormatter(color_formatter)
-        self.addHandler(console)
-        logging.addLevelName(self.TRADE, "TRADE")
-        return
+        console.setFormatter(colored_formatter)
 
-    def set_level(self, level):
-        logging.Logger.setLevel(self, level)
-
-    def trade(self, message, *args, **kws):
-        """
-        Print a syntax highlighted trade signal
-        """
-        if self.isEnabledFor(self.TRADE):
-            message = format_word(message, 'CLOSED ', YELLOW, bold=True)
-            message = format_word(message, 'OPENED ', LIGHT_BLUE, bold=True)
-            message = format_word(message, 'UPDATED ', BLUE, bold=True)
-            message = format_word(message, 'CLOSED_ALL ', RED, bold=True)
-            # Yes, logger takes its '*args' as 'args'.
-            self._log(self.TRADE, message, args, **kws) 
+        self.addHandler(console)