Moved normalize_logdir() out of data_log.

Now code that wants to use the default data_logger directory doesn't
need a fullblown data_log instance.

diff --git a/data_logger.py b/data_logger.py
index 3286468cb35fd7bacb78dcf4577a0d552750c57c..a901733cddcd4f59ddc74622e0de31eda30863fc 100644 (file)
--- a/data_logger.py
+++ b/data_logger.py
@@ -31,7 +31,7 @@ import time
 import string
 import numpy
 
-VERSION = "0.1"
+VERSION = "0.2"
 DEFAULT_PATH = "~/rsrch/data"
 DEFAULT_PATH_REPLACE_STRING = "$DEFAULT$/"
 
@@ -42,6 +42,13 @@ class error (Exception) :
 class errorDirExists (error) :
     "The specified directory already exists"
 
+def normalize_logdir(log_dir):
+        length = len(DEFAULT_PATH_REPLACE_STRING)
+        if log_dir[:length] == DEFAULT_PATH_REPLACE_STRING:
+            log_dir = os.path.join(DEFAULT_PATH, log_dir[length:])
+        log_dir = os.path.expanduser(log_dir)
+        return log_dir
+
 class data_log :
     """
     Data logging class.
@@ -100,14 +107,8 @@ class data_log :
         """
         cleanname = filename.translate(self.transtable, self.delete_chars)
         return cleanname
-    def _normalize_logdir(self, log_dir):
-        length = len(DEFAULT_PATH_REPLACE_STRING)
-        if log_dir[:length] == DEFAULT_PATH_REPLACE_STRING:
-            log_dir = os.path.join(DEFAULT_PATH, log_dir[length:])
-        log_dir = os.path.expanduser(log_dir)
-        return log_dir
     def _create_logdir(self, log_dir) :
-        log_dir = self._normalize_logdir(log_dir)
+        log_dir = normalize_logdir(log_dir)
         if not os.path.exists(log_dir) :
             os.mkdir(log_dir, 0755)
         return log_dir