def _cmd_help_backends(self, options, *args):
if len(args) > 1:
exit(_('Please specifiy only one backend!'))
from tel import backendmanager
manager = backendmanager.manager()
if not args:
items = [(unicode(backend.__name__), backend.__short_description__)
for backend in manager.itervalues()]
headline = [_('Backend name'), _('Description')]
print_simple_table(headline, items)
else:
try:
# print complete description for a single backend
backend = manager[args[0]]
except KeyError, e:
exit(e.message)
fields = backend.__phonebook_class__.supported_fields()
wrap = textwrap.TextWrapper(79)
info = {
'name': backend.__name__,
'shortdesc': wrap.fill(backend.__short_description__),
'longdesc': wrap.fill(backend.__long_description__),
'fields': wrap.fill(', '.join(fields))
}
print >> stdout, _("""
%(name)s - %(shortdesc)s
------------
Supported fields:
%(fields)s
------------
%(longdesc)s""") % info
def _cmd_help_backends(self, options, *args):
if len(args) > 1:
exit(_('Please specifiy only one backend!'))
from tel import backendmanager
manager = backendmanager.manager()
if not args:
items = [(unicode(backend.__name__),
backend.__short_description__)
for backend in manager.itervalues()]
headline = [_('Backend name'), _('Description')]
print_simple_table(headline, items)
else:
try:
# print complete description for a single backend
backend = manager[args[0]]
except KeyError, e:
exit(e.message)
fields = backend.__phonebook_class__.supported_fields()
wrap = textwrap.TextWrapper(79)
info = {'name': backend.__name__,
'shortdesc': wrap.fill(backend.__short_description__),
'longdesc': wrap.fill(backend.__long_description__),
'fields': wrap.fill(', '.join(fields))
}
print >> stdout, _("""
%(name)s - %(shortdesc)s
------------
Supported fields:
%(fields)s
------------
%(longdesc)s""") % info
def absolutize(self):
"""Set the scheme of this URI by guessing it from location.
Only changes scheme, if it is None or empty."""
if not self.isabsolute():
manager = backendmanager.manager()
backend = manager.backend_for_file(self.location)
if backend:
self.scheme = backend.__name__
def absolutize(self):
"""Set the scheme of this URI by guessing it from location.
Only changes scheme, if it is None or empty."""
if not self.isabsolute():
manager = backendmanager.manager()
backend = manager.backend_for_file(self.location)
if backend:
self.scheme = backend.__name__
def phonebook_open(uri):
"""Opens a phonebook denoted by `uri`. `uri` may be a plain string, or
an instance of URI class.
Note, that the returned phonebook instance doesn't contain entries.
These must be loaded explicitly using the load() method"""
if isinstance(uri, basestring):
uri = URI(uri)
# guess backend, if uri was not absolute (= no scheme was given)
uri.absolutize()
if uri.scheme is None:
raise IOError(_(u'Couldn\'t find a backend for %s.') % uri)
try:
backend = backendmanager.manager()[uri.scheme]
except KeyError:
raise IOError(_(u'Unknown backend %s.') % uri.scheme)
return backend.__phonebook_class__(uri)
def phonebook_open(uri):
"""Opens a phonebook denoted by `uri`. `uri` may be a plain string, or
an instance of URI class.
Note, that the returned phonebook instance doesn't contain entries.
These must be loaded explicitly using the load() method"""
if isinstance(uri, basestring):
uri = URI(uri)
# guess backend, if uri was not absolute (= no scheme was given)
uri.absolutize()
if uri.scheme is None:
raise IOError(_(u"Couldn't find a backend for %s.") % uri)
try:
backend = backendmanager.manager()[uri.scheme]
except KeyError:
raise IOError(_(u"Unknown backend %s.") % uri.scheme)
return backend.__phonebook_class__(uri)