Logging is a-very-nice

LPHK.py

@@ -38,45 +38,10 @@ def get_first_textfile_line(file_path):
 VERSION = get_first_textfile_line(os.path.join(PATH, "VERSION"))
 
 # Setup dual logging/printing
-class Tee:
-    def __init__(self, file_path):
-        self.file_path = file_path
-        self.file = open(self.file_path, "w")
-        self.stdout_logger = self.TeeStdout(self.file)
-        self.stderr_logger = self.TeeStderr(self.file)
-    def __del__(self):
-        self.stdout_logger.__del__()
-        self.stderr_logger.__del__()
-        self.file.close()
-    class TeeStdout:
-        def __init__(self, file_in):
-            self.file = file_in
-            self.stdout = sys.stdout
-            sys.stdout = self
-        def __del__(self):
-            sys.stdout = self.stdout
-        def write(self, data):
-            self.file.write(data)
-            self.file.flush()
-            self.stdout.write(data)
-        def flush(self):
-            self.file.flush()
-    class TeeStderr:
-        def __init__(self, file_in):
-            self.file = file_in
-            self.stderr = sys.stderr
-            sys.stderr = self
-        def __del__(self):
-            sys.stderr = self.stderr
-        def write(self, data):
-            self.file.write(data)
-            self.file.flush()
-            self.stderr.write(data)
-        def flush(self):
-            self.file.flush()
-
 LOG_PATH = os.path.join(USER_PATH, LOG_TITLE)
-LOG = Tee(LOG_PATH)
+
+import logger
+logger.start(LOG_PATH)
 
 # Start printing output
 def datetime_str():
@@ -135,7 +100,7 @@ def shutdown():
         lp_events.timer.cancel()
         lp.Close()
         window.lp_connected = False
-    LOG.__del__()
+    logger.stop()
     if window.restart:
         if IS_EXE:
             os.startfile(sys.argv[0])

logger.py

@@ -0,0 +1,65 @@
+# Logger module by Ella J. (nimaid)
+# 
+# This module provides basic logging of STDOUT and STDERR to a text file
+# Usage:
+# 
+# import logger
+# logger.start("/path/to/my/log.txt")
+# ...
+# logger.stop()
+
+import sys
+
+log = None
+
+class _Logger:
+    def __init__(self, file_path):
+        self.file_path = file_path
+        self.file = open(self.file_path, "w")
+        self.stdout_logger = self._LoggerStdout(self.file)
+        self.stderr_logger = self._LoggerStderr(self.file)
+    def __del__(self):
+        self.stdout_logger.__del__()
+        self.stderr_logger.__del__()
+        self.file.close()
+    class _LoggerStdout:
+        def __init__(self, file_in):
+            self.file = file_in
+            self.stdout = sys.stdout
+            sys.stdout = self
+        def __del__(self):
+            sys.stdout = self.stdout
+        def write(self, data):
+            self.file.write(data)
+            self.file.flush()
+            self.stdout.write(data)
+        def flush(self):
+            self.file.flush()
+    class _LoggerStderr:
+        def __init__(self, file_in):
+            self.file = file_in
+            self.stderr = sys.stderr
+            sys.stderr = self
+        def __del__(self):
+            sys.stderr = self.stderr
+        def write(self, data):
+            self.file.write(data)
+            self.file.flush()
+            self.stderr.write(data)
+        def flush(self):
+            self.file.flush()
+
+def start(file_path):
+    global log
+    if log != None:
+        raise Exception("A log is already running: " + log.file_path)
+    else:
+        log = _Logger(file_path)
+
+def stop():
+    global log
+    if log == None:
+        raise Exception("No log is currently running.")
+    else:
+        log.__del__()
+        log = None