def __new__(klass, name, project, which):
"""
Return the right subclass for kind, if it exists.
"""
from vcpx import TailorException
kind = name[:name.index(':')]
subclass = klass
subclassname = kind.capitalize() + 'Repository'
modname = 'vcpx.repository.' + kind
try:
concrete = __import__(modname, globals(), locals(), [kind])
subclass = getattr(concrete, subclassname, klass)
except SyntaxError, e:
raise TailorException("Cannot import %r: %s" % (kind, e))
class Repository(object):
"""
Collector for the configuration of a single repository.
"""
METADIR = None
"""
The name of the "meta" directory used by this kind of repository.
Subclasses should override this, obviously.
"""
EXTRA_METADIRS = []
"""
Other eventual "meta" directories.
"""
EXECUTABLE = None
"""
The name of the external command line tool, for some backends.
"""
EXTRA_RSYNC_FLAGS = None
"""
Particular flags for rsync, used by disjunct working dirs.
"""
def __new__(klass, name, project, which):
"""
Return the right subclass for kind, if it exists.
"""
from vcpx import TailorException
kind = name[:name.index(':')]
subclass = klass
subclassname = kind.capitalize() + 'Repository'
modname = 'vcpx.repository.' + kind
try:
concrete = __import__(modname, globals(), locals(), [kind])
subclass = getattr(concrete, subclassname, klass)
except SyntaxError, e:
raise TailorException("Cannot import %r: %s" % (kind, e))
except (AttributeError, ImportError, AssertionError), e:
raise TailorException("%r is not a known VCS kind: %s" % (kind, e))
def workingDir(self):
"""
Return an instance of the specific WorkingDir for this kind of
repository.
"""
from vcpx import TailorException
try:
try:
wdname = self.kind.capitalize() + self.which.capitalize() + 'WorkingDir'
modname = 'vcpx.repository.' + self.kind + '.' + self.which
wdmod = __import__(modname, globals(), locals(), [wdname])
workingdir = getattr(wdmod, wdname)
except (AttributeError, ImportError), e:
wdname = self.kind.capitalize() + 'WorkingDir'
modname = 'vcpx.repository.' + self.kind
wdmod = __import__(modname, globals(), locals(), [wdname])
workingdir = getattr(wdmod, wdname)
except SyntaxError, e:
self.log.exception("Cannot import %r from %r", wdname, modname)
raise TailorException("Cannot import %r: %s" % (wdname, e))
try:
wdname = self.kind.capitalize() + self.which.capitalize() + 'WorkingDir'
modname = 'vcpx.repository.' + self.kind + '.' + self.which
wdmod = __import__(modname, globals(), locals(), [wdname])
workingdir = getattr(wdmod, wdname)
except (AttributeError, ImportError), e:
wdname = self.kind.capitalize() + 'WorkingDir'
modname = 'vcpx.repository.' + self.kind
wdmod = __import__(modname, globals(), locals(), [wdname])
workingdir = getattr(wdmod, wdname)
except SyntaxError, e:
self.log.exception("Cannot import %r from %r", wdname, modname)
raise TailorException("Cannot import %r: %s" % (wdname, e))
except (AttributeError, ImportError), e:
self.log.critical("Cannot import %r from %r", wdname, modname)
raise TailorException("%r is not a known VCS kind: %s" %
(self.kind, e))
return workingdir(self)
def command(self, *args, **kwargs):
"""
Return the base external command, a sequence suitable to be used
to init an ExternalCommand instance.
This return None if the backend uses a different way to execute
its actions.
"""
executable = kwargs.get('executable', self.EXECUTABLE)
if executable:
cmd = [executable]