first commit

logger.py

@@ -0,0 +1,99 @@
+import os
+import datetime
+from enum import Enum
+
+
+class LogLevel(Enum):
+    ERROR = 1
+    WARNING = 2
+    INFO = 3
+    DEBUG = 4
+
+    def __gt__(self, other):
+        print(self, other, self.value>other.value)
+        return self.value > other.value
+
+    def __lt__(self, other):
+        return self.value < other.value
+
+class LogPeriod(Enum):
+    ONE = 1
+    HOURLY = 2
+    DAILY = 3
+    WEEKLY = 4
+    MONTHLY = 5
+
+
+class Logger:
+
+    def __init__(self, path, file_name, sep=',', endl='\n', period=LogPeriod.ONE, level=LogLevel.INFO, out_time_f='%Y.%m.%d %H:%M:%S'):
+        self._path = path
+        self._file_name = file_name
+        self._sep = sep + ' '
+        self._endl = endl
+        self._period = period
+        self._level = level
+        self._out_time_f = out_time_f
+
+    def _get_file(self)->str:
+        now = datetime.datetime.now()
+        f_name = ''
+        if self._period == LogPeriod.HOURLY:
+            f_name = now.strftime('%Y.%m.%d %H')
+        elif self._period == LogPeriod.DAILY:
+            f_name = now.strftime('%Y.%m.%d')
+        elif self._period == LogPeriod.WEEKLY:
+            f_name = str(now.year) + ' KW ' + str(now.isocalendar().week)
+        elif self._period == LogPeriod.MONTHLY:
+            f_name = now.strftime('%Y.%m') 
+        return f_name + ' ' + self._file_name
+
+    def _write(self, level, message):
+        info_str = self._get_time() + self._sep + level.name + self._sep + message + self._endl
+        path_to_file = self._path+os.sep+self._get_file()
+        try:
+            if os.path.exists(path_to_file):
+                with open(path_to_file, '+a') as file:
+                    file.write(info_str)
+            else:
+                with open(path_to_file, '+a') as file:
+                    file.write("DATETIME" + self._sep + "LEVEL" + self._sep + "MESSAGE" + self._endl)
+                    file.write(info_str)
+        except PermissionError as e:
+            print(e)
+
+    def _get_time(self)->str:
+        now = datetime.datetime.now()
+        timestr = now.strftime(self._out_time_f)
+        return timestr
+
+    def error(self, *args, **kwargs):
+        mystr = ' '.join(list(args))
+        self._write(LogLevel.ERROR, mystr)
+
+    def warning(self, *args, **kwargs):
+        if self._level < LogLevel.WARNING:
+            return
+        mystr = ' '.join(list(args))
+        self._write(LogLevel.WARNING, mystr)
+
+    def info(self, *args, **kwargs):
+        if self._level < LogLevel.INFO:
+            return
+        mystr = ' '.join(list(args))
+        self._write(LogLevel.INFO, mystr)
+
+    def debug(self, *args, **kwargs):
+        if self._level < LogLevel.DEBUG:
+            return
+        mystr = ' '.join(list(args))
+        self._write(LogLevel.DEBUG, mystr)
+
+
+if __name__ == '__main__':
+    log = Logger('.', 'mylog.csv', level=LogLevel.DEBUG, period=LogPeriod.HOURLY)
+    log.info('Hallo')
+    log.error('Hallo')
+    log.warning('Hallo')
+    log.debug('Hallo')
+