bzr branch
http://bzr.ed.am/stdhome
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by Tim Marston
added bzr as a vcs backend; finished init command; implemented deployment |
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# util.py |
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# |
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# Copyright (C) 2013 Tim Marston <tim@edm.am> |
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# |
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# This file is part of stdhome (hereafter referred to as "this program"). |
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# See http://ed.am/dev/stdhome for more information. |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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import os, stat, errno |
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def canonicalise_path( path ): |
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"""Return the canonicalised form of a path. That is, the fully-qualified |
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version of the supplied path, with ~ expanded to the user's home directory. |
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The returned path is guaranteed to always begin and end with a '/'. |
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""" |
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path = '/' + os.path.expanduser( path ).strip( '/' ) |
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return path if path == '/' else path + '/' |
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# Class to provide the switch functionality that C/C++ programmers are so used |
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# to but which is missing in python. For more information, see |
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# http://code.activestate.com/recipes/410692-readable-switch-construction-without-lambdas-or-di/ |
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class switch( object ): |
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def __init__( self, value ): |
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self.value = value |
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self.fall = False |
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def __iter__( self ): |
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"""Return the match method once, then stop |
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""" |
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yield self.match |
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raise StopIteration |
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def match( self, *args ): |
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"""Indicate whether or not to enter a case suite |
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""" |
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if self.fall or not args: |
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return True |
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elif self.value in args: |
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self.fall = True |
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return True |
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else: |
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return False |
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61
by Tim Marston
added home directory change reporting to CopyOutWalker; added --quiet option to |
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# enums |
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# see http://stackoverflow.com/a/1695250 |
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def enum( **enums ): |
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return type( 'Enum', (), enums ) |