From 39b30e64202057ca1045871eb2e501b4a5627eec Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Mon, 17 Sep 2012 19:52:40 +0000
Subject: adding wedo to project

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

diff --git a/plugins/wedo_plugin/usb/_debug.py b/plugins/wedo_plugin/usb/_debug.py
new file mode 100644
index 0000000..13b0ced
--- /dev/null
+++ b/plugins/wedo_plugin/usb/_debug.py
@@ -0,0 +1,77 @@
+# 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.
+
+__author__ = 'Wander Lairson Costa'
+
+__all__ = ['methodtrace', 'functiontrace']
+
+import logging
+import usb._interop as _interop
+
+_enable_tracing = False
+
+def enable_tracing(enable):
+    global _enable_tracing
+    _enable_tracing = enable
+
+def _trace_function_call(logger, fname, *args, **named_args):
+    logger.debug(
+                # TODO: check if 'f' is a method or a free function
+                fname + '(' + \
+                ', '.join((str(val) for val in args)) + \
+                ', '.join((name + '=' + str(val) for name, val in named_args.items())) + ')'
+            )
+
+# decorator for methods calls tracing
+def methodtrace(logger):
+    def decorator_logging(f):
+        if not _enable_tracing:
+            return f
+        def do_trace(*args, **named_args):
+            # this if is just a optimization to avoid unecessary string formatting
+            if logging.DEBUG >= logger.getEffectiveLevel():
+                fn = type(args[0]).__name__ + '.' + f.__name__
+                _trace_function_call(logger, fn, *args[1:], **named_args)
+            return f(*args, **named_args)
+        _interop._update_wrapper(do_trace, f)
+        return do_trace
+    return decorator_logging
+
+# decorator for methods calls tracing
+def functiontrace(logger):
+    def decorator_logging(f):
+        if not _enable_tracing:
+            return f
+        def do_trace(*args, **named_args):
+            # this if is just a optimization to avoid unecessary string formatting
+            if logging.DEBUG >= logger.getEffectiveLevel():
+                _trace_function_call(logger, f.__name__, *args, **named_args)
+            return f(*args, **named_args)
+        _interop._update_wrapper(do_trace, f)
+        return do_trace
+    return decorator_logging
--
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