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import bzrlib
from bzrlib import commands
from version import *
class BzrToolsCommand(commands.Command):
def run_argv_aliases(self, argv, alias_argv=None):
result = check_bzrlib_version(version_info[:2])
if result is not None:
return result
commands.Command.run_argv_aliases(self, argv, alias_argv)
def check_bzrlib_version(desired):
"""Check that bzrlib is compatible.
If version is < bzrtools version, assume incompatible.
If version == bzrtools version, assume completely compatible
If version == bzrtools version + 1, assume compatible, with deprecations
Otherwise, assume incompatible.
"""
desired_plus = (desired[0], desired[1]+1)
bzrlib_version = bzrlib.version_info[:2]
if bzrlib_version == desired or (bzrlib_version == desired_plus and
bzrlib.version_info[3] == 'dev'):
return
try:
from bzrlib.trace import warning
except ImportError:
# get the message out any way we can
from warnings import warn as warning
if bzrlib_version < desired:
warning('Installed Bazaar version %s is too old to be used with'
' plugin \n'
'"Bzrtools" %s.' % (
bzrlib.__version__, '%s.%s.%s' % version_info))
# Not using BzrNewError, because it may not exist.
return 3
else:
warning('Plugin "Bzrtools" is not up to date with installed Bazaar'
' version %s.\n'
'There should be a newer version of Bzrtools available, e.g.'
' %i.%i.'
% (bzrlib.__version__, bzrlib_version[0], bzrlib_version[1]))
if bzrlib_version != desired_plus:
return 3
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