def enumerate_entries_from_file(filename):
''' Yields (filename, num_entry), entry '''
with open(filename) as f:
try:
parsed = yaml.load(f)
except YAMLError as e:
msg = 'Cannot parse YAML file %s:\n%s' % (friendly_path(filename), e)
raise SyntaxMistake(msg) # TODO: make UserError
if parsed is None:
logger.warning('Found an empty file %r.' % friendly_path(filename))
else:
if not isinstance(parsed, list):
msg = ('Expect the file %r to contain a list of dicts,'
' found %s.' % (friendly_path(filename),
describe_type(parsed)))
raise SyntaxMistake(msg)
if not all([isinstance(x, dict) for x in parsed]):
msg = ('Expect the file %r to contain a list of dicts.' %
filename)
raise SyntaxMistake(msg)
if not parsed:
logger.warning('Found an empty file %r.' % friendly_path(filename))
for num_entry, entry in enumerate(parsed):
yield (filename, num_entry), entry
def add_class_generic(self, name, pattern, object_class):
if not '.yaml' in pattern or not '*' in pattern:
logger.warning('suspicious pattern %r' % pattern)
from .code_desc import GenericInstance
return self.add_class(name=name, pattern=pattern,
check=GenericCodeDescCheck(name),
instance=GenericInstance(object_class),
object_check=GenericIsinstance(object_class))
def get_default_dir(self):
logger.warning('No default dir given, using current dir.')
return "."
def check_exists(key, filename):
if not os.path.exists(filename):
msg = ('I resolved the key %r to the path\n\t%r\nbut it does not exist.'
% (key, filename))
logger.warning(msg)