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Viewing changes to vendor/Twisted-10.0.0/twisted/python/shortcut.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/twisted/python/shortcut.py
 
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# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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"""Creation of  Windows shortcuts.
 
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Requires win32all.
 
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"""
 
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from win32com.shell import shell
 
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import pythoncom
 
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import os
 
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def open(filename):
 
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    """Open an existing shortcut for reading.
 
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    @return: The shortcut object
 
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    @rtype: Shortcut
 
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    """
 
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    sc=Shortcut()
 
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    sc.load(filename)
 
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    return sc
 
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class Shortcut:
 
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    """A shortcut on Win32.
 
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    >>> sc=Shortcut(path, arguments, description, workingdir, iconpath, iconidx)
 
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    @param path: Location of the target
 
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    @param arguments: If path points to an executable, optional arguments to
 
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                      pass
 
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    @param description: Human-readable decription of target
 
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    @param workingdir: Directory from which target is launched
 
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    @param iconpath: Filename that contains an icon for the shortcut
 
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    @param iconidx: If iconpath is set, optional index of the icon desired
 
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    """
 
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    def __init__(self, 
 
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                 path=None,
 
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                 arguments=None, 
 
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                 description=None,
 
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                 workingdir=None,
 
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                 iconpath=None,
 
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                 iconidx=0):
 
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        self._base = pythoncom.CoCreateInstance(
 
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            shell.CLSID_ShellLink, None,
 
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            pythoncom.CLSCTX_INPROC_SERVER, shell.IID_IShellLink
 
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        )
 
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        data = map(None, 
 
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                   ['"%s"' % os.path.abspath(path), arguments, description,
 
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                    os.path.abspath(workingdir), os.path.abspath(iconpath)], 
 
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                   ("SetPath", "SetArguments", "SetDescription",
 
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                   "SetWorkingDirectory") )
 
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        for value, function in data:
 
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            if value and function:
 
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                # call function on each non-null value
 
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                getattr(self, function)(value)
 
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        if iconpath:
 
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            self.SetIconLocation(iconpath, iconidx)
 
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    def load( self, filename ):
 
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        """Read a shortcut file from disk."""
 
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        self._base.QueryInterface(pythoncom.IID_IPersistFile).Load(filename)
 
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    def save( self, filename ):
 
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        """Write the shortcut to disk.
 
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        The file should be named something.lnk.
 
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        """
 
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        self._base.QueryInterface(pythoncom.IID_IPersistFile).Save(filename, 0)
 
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    def __getattr__( self, name ):
 
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        if name != "_base":
 
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            return getattr(self._base, name)
 
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        raise AttributeError, "%s instance has no attribute %s" % \
 
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                (self.__class__.__name__, name)