Changeset 517f3d4 in sasview for sasview/sasview.py

Timestamp:

Mar 2, 2015 9:36:57 AM (9 years ago)

Author:

Doucet, Mathieu <doucetm@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

f89fa84

Parents:

18d58a6e

Message:

Write stderr to sasview.log

File:

• sasview/sasview.py (modified) (3 diffs)

sasview/sasview.py

@@ -10 +10 @@
 ################################################################################
 import os
+import sys
 import logging
 from shutil import copy
@@ -17 +18 @@
                                           'sasview.log'))
 
-# Allow the dynamic selection of wxPython via an evironment variable, when devs
+class StreamToLogger(object):
+    """
+        File-like stream object that redirects writes to a logger instance.
+    """
+    def __init__(self, logger, log_level=logging.INFO):
+        self.logger = logger
+        self.log_level = log_level
+        self.linebuf = ''
+ 
+    def write(self, buf):
+        # Write the message to stdout so we can see it when running interactively
+        sys.stdout.write(buf)
+        for line in buf.rstrip().splitlines():
+            self.logger.log(self.log_level, line.rstrip())
+
+stderr_logger = logging.getLogger('STDERR')
+sl = StreamToLogger(stderr_logger, logging.ERROR)
+sys.stderr = sl
+
+# Log the python version
+logging.info("Python: %s" % sys.version)
+
+# Allow the dynamic selection of wxPython via an environment variable, when devs
 # who have multiple versions of the module installed want to pick between them.
 # This variable does not have to be set of course, and through normal usage will
@@ -35 +58 @@
 
 import wx
-import sys
+try:
+    logging.info("Wx version: %s" % wx.__version__)
+except:
+    logging.error("Wx version: error reading version")
+    
 # The below will make sure that sasview application uses the matplotlib font 
 # bundled with sasview.