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diff --git a/lib/python2.7/site-packages/serial/__init__.py b/lib/python2.7/site-packages/serial/__init__.py
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+++ b/lib/python2.7/site-packages/serial/__init__.py
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+#!/usr/bin/env python 
+
+# portable serial port access with python
+# this is a wrapper module for different platform implementations
+#
+# (C) 2001-2010 Chris Liechti <cliechti@gmx.net>
+# this is distributed under a free software license, see license.txt
+
+VERSION = '2.7'
+
+import sys
+
+if sys.platform == 'cli':
+    from serial.serialcli import *
+else:
+    import os
+    # chose an implementation, depending on os
+    if os.name == 'nt': #sys.platform == 'win32':
+        from serial.serialwin32 import *
+    elif os.name == 'posix':
+        from serial.serialposix import *
+    elif os.name == 'java':
+        from serial.serialjava import *
+    else:
+        raise ImportError("Sorry: no implementation for your platform ('%s') available" % (os.name,))
+
+
+protocol_handler_packages = [
+        'serial.urlhandler',
+        ]
+
+def serial_for_url(url, *args, **kwargs):
+    """\
+    Get an instance of the Serial class, depending on port/url. The port is not
+    opened when the keyword parameter 'do_not_open' is true, by default it
+    is. All other parameters are directly passed to the __init__ method when
+    the port is instantiated.
+
+    The list of package names that is searched for protocol handlers is kept in
+    ``protocol_handler_packages``.
+
+    e.g. we want to support a URL ``foobar://``. A module
+    ``my_handlers.protocol_foobar`` is provided by the user. Then
+    ``protocol_handler_packages.append("my_handlers")`` would extend the search
+    path so that ``serial_for_url("foobar://"))`` would work.
+    """
+    # check remove extra parameter to not confuse the Serial class
+    do_open = 'do_not_open' not in kwargs or not kwargs['do_not_open']
+    if 'do_not_open' in kwargs: del kwargs['do_not_open']
+    # the default is to use the native version
+    klass = Serial   # 'native' implementation
+    # check port type and get class
+    try:
+        url_nocase = url.lower()
+    except AttributeError:
+        # it's not a string, use default
+        pass
+    else:
+        if '://' in url_nocase:
+            protocol = url_nocase.split('://', 1)[0]
+            for package_name in protocol_handler_packages:
+                module_name = '%s.protocol_%s' % (package_name, protocol,)
+                try:
+                    handler_module = __import__(module_name)
+                except ImportError:
+                    pass
+                else:
+                    klass = sys.modules[module_name].Serial
+                    break
+            else:
+                raise ValueError('invalid URL, protocol %r not known' % (protocol,))
+        else:
+            klass = Serial   # 'native' implementation
+    # instantiate and open when desired
+    instance = klass(None, *args, **kwargs)
+    instance.port = url
+    if do_open:
+        instance.open()
+    return instance