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48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
#
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# filesystem.py -- Filesystem-related functions
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#
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# Copyright (c) 2007-2009 Christian Hammond
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# Copyright (c) 2007-2009 David Trowbridge
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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import os
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import sys
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def is_exe_in_path(name):
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"""Checks whether an executable is in the user's search path.
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This expects a name without any system-specific executable extension.
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It will append the proper extension as necessary. For example,
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use "myapp" and not "myapp.exe".
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This will return True if the app is in the path, or False otherwise.
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"""
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if sys.platform == 'win32' and not name.endswith('.exe'):
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name += ".exe"
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for dir in os.environ['PATH'].split(os.pathsep):
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if os.path.exists(os.path.join(dir, name)):
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return True
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return False
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