From da170b77bd8cced61aee121a1eba49c01964e0c0 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Thu, 16 May 2013 22:05:58 +0000
Subject: oz plugins

---
(limited to 'plugins/wedo_plugin/usb/__init__.py')

diff --git a/plugins/wedo_plugin/usb/__init__.py b/plugins/wedo_plugin/usb/__init__.py
new file mode 100644
index 0000000..8909cf2
--- /dev/null
+++ b/plugins/wedo_plugin/usb/__init__.py
@@ -0,0 +1,92 @@
+# Copyright (C) 2009-2011 Wander Lairson Costa 
+# 
+# The following terms apply to all files associated
+# with the software unless explicitly disclaimed in individual files.
+# 
+# The authors hereby grant permission to use, copy, modify, distribute,
+# and license this software and its documentation for any purpose, provided
+# that existing copyright notices are retained in all copies and that this
+# notice is included verbatim in any distributions. No written agreement,
+# license, or royalty fee is required for any of the authorized uses.
+# Modifications to this software may be copyrighted by their authors
+# and need not follow the licensing terms described here, provided that
+# the new terms are clearly indicated on the first page of each file where
+# they apply.
+# 
+# IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
+# FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+# ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
+# DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+# 
+# THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
+# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.  THIS SOFTWARE
+# IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
+# NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
+# MODIFICATIONS.
+
+r"""PyUSB - Easy USB access in Python
+
+This package exports the following modules and subpackages:
+
+    core - the main USB implementation
+    legacy - the compatibility layer with 0.x version
+    backend - the support for backend implementations.
+
+Since version 1.0, main PyUSB implementation lives in the 'usb.core'
+module. New applications are encouraged to use it.
+"""
+
+import logging
+import os
+
+__author__ = 'Wander Lairson Costa'
+
+__all__ = ['legacy', 'core', 'backend', 'util']
+
+
+def _setup_log():
+    from usb import _debug
+    logger = logging.getLogger('usb')
+    debug_level = os.getenv('PYUSB_DEBUG_LEVEL')
+
+    if debug_level is not None:
+        _debug.enable_tracing(True)
+        filename = os.getenv('PYUSB_LOG_FILENAME')
+
+        LEVELS = {'debug': logging.DEBUG,
+                  'info': logging.INFO,
+                  'warning': logging.WARNING,
+                  'error': logging.ERROR,
+                  'critical': logging.CRITICAL}
+
+        level = LEVELS.get(debug_level, logging.CRITICAL + 10)
+        logger.setLevel(level = level)
+
+        try:
+            handler = logging.FileHandler(filename)
+        except:
+            handler = logging.StreamHandler()
+
+        fmt = logging.Formatter('%(asctime)s %(levelname)s:%(name)s:%(message)s')
+        handler.setFormatter(fmt)
+        logger.addHandler(handler)
+    else:
+        class NullHandler(logging.Handler):
+            def emit(self, record):
+                pass
+
+        # We set the log level to avoid delegation to the
+        # parent log handler (if there is one).
+        # Thanks to Chris Clark to pointing this out.
+        logger.setLevel(logging.CRITICAL + 10)
+
+        logger.addHandler(NullHandler())
+
+
+_setup_log()
+
+# We import all 'legacy' module symbols to provide compatility
+# with applications that use 0.x versions.
+from usb.legacy import *
--
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