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# IVLE - Informatics Virtual Learning Environment
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# Copyright (C) 2007-2008 The University of Melbourne
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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 2 of the License, or
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# (at your option) any later version.
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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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Author: David Coles, Will Grant
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A script for generating a Subversion diff. It is intended to be run via
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trampoline by ivle.webapp.filesystem.diff.DiffView.
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locale.setlocale(locale.LC_CTYPE, "en_US.UTF-8")
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revs = [pysvn.Revision(x) for x in [pysvn.opt_revision_kind.base,
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pysvn.opt_revision_kind.working]]
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# Override revisions from argv.
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for ri in range(len(sys.argv[2:4])):
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r = ivle.svn.revision_from_string(sys.argv[2 + ri])
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# Attempt to get the diff for these revisons
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svnclient = pysvn.Client()
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svnclient.exception_style = 1
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# pysvn's diff tempfile behaviour changes with Subversion 1.6.x.
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# < 1.6 wants a filename, >= 1.6 wants a directory.
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if pysvn.svn_version > (1, 6):
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tmp_path = '/tmp/svndiff'
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diff_text = diff(tmp_path,
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os.path.join('/home', sys.argv[1]),
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print cjson.encode({'diff': diff_text.decode('utf-8')})
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except pysvn.ClientError, e:
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# See subversion/include/svn_error_codes.h.
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# 150000: ERR_ENTRY_NOT_FOUND
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# 155007: WC_NOT_DIRECTORY.
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# 160013: FS_NOT_FOUND
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# 200005: UNVERSIONED_RESOURCE
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if code in (150000, 155007, 160013, 200005):
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error = '%s (code %d)' % (error, code)
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print cjson.encode({'error': error})