def format_parameters(params, parse_semicolon=True):
'''Reformat parameters into dict of format expected by the API.'''
if not params:
return {}
if parse_semicolon:
# expect multiple invocations of --parameters but fall back
# to ; delimited if only one --parameters is specified
if len(params) == 1:
params = params[0].split(';')
parameters = {}
for p in params:
try:
(n, v) = p.split(('='), 1)
except ValueError:
msg = _('Malformed parameter(%s). Use the key=value format.') % p
raise exc.CommandError(msg)
if n not in parameters:
parameters[n] = v
else:
if not isinstance(parameters[n], list):
parameters[n] = [parameters[n]]
parameters[n].append(v)
return parameters
def find_resource(manager, name_or_id):
"""Helper for the _find_* methods."""
# first try to get entity as integer id
try:
if isinstance(name_or_id, int) or name_or_id.isdigit():
return manager.get(int(name_or_id))
except exc.NotFound:
pass
# now try to get entity as uuid
try:
uuid.UUID(str(name_or_id))
return manager.get(name_or_id)
except (ValueError, exc.NotFound):
pass
# finally try to find entity by name
try:
return manager.find(name=name_or_id)
except exc.NotFound:
msg = _("No %(name)s with a name or ID of "
"'%(name_or_id)s' exists.") % \
{
'name': manager.resource_class.__name__.lower(),
'name_or_id': name_or_id}
raise exc.CommandError(msg)
def read_url_content(url):
try:
content = request.urlopen(url).read()
except error.URLError:
raise exc.CommandError(_('Could not fetch contents for %s') % url)
if content:
try:
content.decode('utf-8')
except ValueError:
content = base64.encodestring(content)
return content