Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/python/procutils.py

-# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-"""
-Utilities for dealing with processes.
-"""
-
-import os
-
-def which(name, flags=os.X_OK):
-    """Search PATH for executable files with the given name.
-    
-    On newer versions of MS-Windows, the PATHEXT environment variable will be
-    set to the list of file extensions for files considered executable. This
-    will normally include things like ".EXE". This fuction will also find files
-    with the given name ending with any of these extensions.
-
-    On MS-Windows the only flag that has any meaning is os.F_OK. Any other
-    flags will be ignored.
-    
-    @type name: C{str}
-    @param name: The name for which to search.
-    
-    @type flags: C{int}
-    @param flags: Arguments to L{os.access}.
-    
-    @rtype: C{list}
-    @param: A list of the full paths to files found, in the
-    order in which they were found.
-    """
-    result = []
-    exts = filter(None, os.environ.get('PATHEXT', '').split(os.pathsep))
-    path = os.environ.get('PATH', None)
-    if path is None:
-        return []
-    for p in os.environ.get('PATH', '').split(os.pathsep):
-        p = os.path.join(p, name)
-        if os.access(p, flags):
-            result.append(p)
-        for e in exts:
-            pext = p + e
-            if os.access(pext, flags):
-                result.append(pext)
-    return result
-