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# (Be in -*- python -*- mode.)
#
# ====================================================================
# Copyright (c) 2000-2008 CollabNet. All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://subversion.tigris.org/license-1.html.
# If newer versions of this license are posted there, you may use a
# newer version instead, at your option.
#
# This software consists of voluntary contributions made by many
# individuals. For exact contribution history, see the revision
# history and logs, available at http://cvs2svn.tigris.org/.
# ====================================================================
"""Access the CVS repository via RCS's 'co' command."""
from cvs2svn_lib.common import FatalError
from cvs2svn_lib.process import check_command_runs
from cvs2svn_lib.process import PipeStream
from cvs2svn_lib.process import CommandFailedException
from cvs2svn_lib.revision_manager import RevisionReader
class RCSRevisionReader(RevisionReader):
"""A RevisionReader that reads the contents via RCS."""
def __init__(self, co_executable):
self.co_executable = co_executable
try:
check_command_runs([self.co_executable, '-V'], self.co_executable)
except CommandFailedException, e:
raise FatalError('%s\n'
'Please check that co is installed and in your PATH\n'
'(it is a part of the RCS software).' % (e,))
def get_content_stream(self, cvs_rev, suppress_keyword_substitution=False):
pipe_cmd = [
self.co_executable,
'-q',
'-x,v',
'-p%s' % (cvs_rev.rev,)
]
if suppress_keyword_substitution:
pipe_cmd.append('-kk')
pipe_cmd.append(cvs_rev.cvs_file.filename)
return PipeStream(pipe_cmd)
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