def split_env_items(env_string):
'''Splits space-separated variable assignments into a list of individual assignments.
>>> split_env_items('VAR=abc')
['VAR=abc']
>>> split_env_items('VAR="a string" THING=3')
['VAR="a string"', 'THING=3']
>>> split_env_items('VAR="a string" THING=\\'single "quotes"\\'')
['VAR="a string"', 'THING=\\'single "quotes"\\'']
>>> split_env_items('VAR="dont \\\\"forget\\\\" about backslashes"')
['VAR="dont \\\\"forget\\\\" about backslashes"']
>>> split_env_items('PATH="$PATH;/opt/cibw_test_path"')
['PATH="$PATH;/opt/cibw_test_path"']
>>> split_env_items('PATH2="something with spaces"')
['PATH2="something with spaces"']
'''
if not env_string:
return []
command_node = bashlex.parsesingle(env_string)
result = []
for word_node in command_node.parts:
part_string = env_string[word_node.pos[0]:word_node.pos[1]]
result.append(part_string)
return result
def evaluate(value, environment):
if not value:
# empty string evaluates to empty string
# (but trips up bashlex)
return ''
command_node = bashlex.parsesingle(value)
if len(command_node.parts) != 1:
raise ValueError('"%s" has too many parts' % value)
value_word_node = command_node.parts[0]
return evaluate_node(value_word_node,
context=NodeExecutionContext(environment=environment,
input=value))
def evaluate(value: str,
environment: Dict[str, str],
executor: Optional[EnvironmentExecutor] = None) -> str:
if not value:
# empty string evaluates to empty string
# (but trips up bashlex)
return ''
command_node = bashlex.parsesingle(value)
if len(command_node.parts) != 1:
raise ValueError(f'"{value}" has too many parts')
value_word_node = command_node.parts[0]
return evaluate_node(value_word_node,
context=NodeExecutionContext(
environment=environment,
input=value,
executor=executor or local_environment_executor))