def __validate_environment(self, name, environment):
for (key, val) in environment.items():
if not type(key) is str:
raise InvalidManifestError()
if not (val is None or type(val) is str):
raise InvalidManifestError(
name + ".environment: Expected a string or null: " + key)
def __validate_placeholder_expansion(self, text, dummymap, location=None):
try:
text.format_map(dummymap)
except KeyError as e:
raise InvalidManifestError(location + ": Undefined placeholder: " +
str(e))
except ValueError as e:
raise InvalidManifestError(
location + ": Error during placeholder expansion: " + str(e))
def _validate_stanza(self, name, definition):
for (key, value) in definition.items():
if key == 'description':
if type(value) is not str:
raise InvalidManifestError(name + "." + key +
": Expected a string")
elif key == 'cmdargs':
if not _is_list_of_str(value):
raise InvalidManifestError(
name + "." + key + ": Expected an array of strings")
elif key == 'setup':
if type(value) is not dict:
raise InvalidManifestError(name + "." + key +
": Expected an object")
self.__validate_setup(name, value)
elif key in {'stdin', 'stdout', 'stderr'}:
if type(value) is not str:
raise InvalidManifestError(name + "." + key +
": Expected a string")
elif key == 'expect':
if type(value) is not int:
raise InvalidManifestError(name + "." + key +
": Expected an integer")
elif key == 'require':
if type(value) is not dict:
raise InvalidManifestError(name + "." + key +
": Expected an object")
self.__validate_require(name, value)
elif type(key) is str:
raise InvalidManifestError(name + "." + key +
": Unknown attribute")
else:
raise InvalidManifestError()
def __validate_require(self, name, require):
for (key, value) in require.items():
if key == 'empty':
if not _is_list_of_str(value):
raise InvalidManifestError(
name + ".require.empty: Expected an array of strings")
elif key == 'equal':
if not (_is_list_of_str(value) and len(value) == 2):
raise InvalidManifestError(
name +
".require.empty: Expected an array of two strings")
elif type(key) is str:
raise InvalidManifestError(name + ".require." + key +
": Unknown attribute")
else:
raise InvalidManifestError()
def __validate_setup(self, name, setup):
for key in setup.keys():
if not type(key) is str:
raise InvalidManifestError()
if not MacroManifestLoader.__PH_PATTERN.match(key):
raise InvalidManifestError(
name + ".setup: Not a valid placeholder: " + key)
dummymap = {key: '' for key in setup.keys()}
for (key, value) in setup.items():
if value is None:
pass
elif type(value) is str:
self.__validate_placeholder_expansion(value, dummymap,
name + ".setup." + key)
elif type(value) is list:
if not all(type(s) is str for s in value):
raise InvalidManifestError(
name + ".setup." + key +
": Expected an array of strings")
if any('{' + key + '}' in s for s in value):
raise InvalidManifestError(name + ".setup." + key +
": Self-reference in recipe")
if not value or not value[0].strip():
raise InvalidManifestError(name + ".setup." + key +
": Not a valid command")
for text in value:
self.__validate_placeholder_expansion(
text, dummymap, name + ".setup." + key)
else:
raise InvalidManifestError(
name + ".setup." + key +
": Expected 'null', a string or an array")
def _validate_stanza(self, name, definition):
if 'command' not in definition:
raise InvalidManifestError(name + ": The 'command' attribute is required")
for (key, value) in definition.items():
if key == 'description':
if type(value) is not str:
raise InvalidManifestError(name + "." + key + ": Expected a string")
elif key == 'command':
if type(value) is not list or not all(type(s) is str for s in value):
raise InvalidManifestError(name + "." + key + ": Expected an array of strings")
if not value or not value[0].strip():
raise InvalidManifestError(name + "." + key + ": Command cannot be empty")
elif type(key) is str:
raise InvalidManifestError(name + "." + key + ": Unknown attribute")
else:
raise InvalidManifestError()