def extract_parser(modulepath, func_with_argparse):
source = read_client_module(modulepath)
nodes = ast.parse(''.join(source))
funcs = get_nodes_by_instance_type(nodes, _ast.FunctionDef)
assignment_objs = get_nodes_by_instance_type(nodes, _ast.Assign)
main_func = get_nodes_by_containing_attr(funcs, func_with_argparse)[0]
parse_args_assignment = get_nodes_by_containing_attr(
main_func.body, 'parse_args')[0]
# ast reports the line no of a block structure as the start of the structure,
# not the end, so we look for the line no of the next node after main()
# and use that as the end of the main() function.
try:
restart_line = nodes.body[nodes.body.index(main_func) + 1].lineno - 1
except IndexError:
restart_line = len(source)
module_source = format_source_to_return_parser(
source,
cutoff_line=parse_args_assignment.lineno,
restart_line=restart_line,
col_offset=parse_args_assignment.col_offset,
parser_name=parse_args_assignment.value.func.value.id)
client_module = modules.load(module_source)
return getattr(client_module, func_with_argparse)()
def extract_parser(modulepath):
source = read_client_module(modulepath)
nodes = ast.parse(''.join(source))
funcs = get_nodes_by_instance_type(nodes, _ast.FunctionDef)
assignment_objs = get_nodes_by_instance_type(nodes, _ast.Assign)
main_func = get_nodes_by_containing_attr(funcs, 'main')[0]
parse_args_assignment = get_nodes_by_containing_attr(main_func.body, 'parse_args')[0]
# ast reports the line no of a block structure as the start of the structure,
# not the end, so we look for the line no of the next node after main()
# and use that as the end of the main() function.
try:
restart_line = nodes.body[nodes.body.index(main_func)+1].lineno - 1
except IndexError:
restart_line = len(source)
module_source = format_source_to_return_parser(
source,
cutoff_line=parse_args_assignment.lineno,
restart_line=restart_line,
col_offset=parse_args_assignment.col_offset,
parser_name=parse_args_assignment.value.func.value.id
)
client_module = modules.load(module_source)
return client_module.main()
def test_load_creates_and_imports_module_from_string_source(self):
module_source = '''
some_var = 1234
def fooey():
return 10
'''
module = modules.load(module_source)
self.assertEqual(10, module.fooey())
def extract_parser(modulepath):
source = read_client_module(modulepath)
nodes = ast.parse(''.join(source))
funcs = get_nodes_by_instance_type(nodes, _ast.FunctionDef)
assignment_objs = get_nodes_by_instance_type(nodes, _ast.Assign)
main_func = get_nodes_by_containing_attr(funcs, 'main')[0]
parse_args_assignment = get_nodes_by_containing_attr(main_func.body, 'parse_args')[0]
module_source = format_source_to_return_parser(
source,
cutoff_line=parse_args_assignment.lineno,
restart_line=main_func.body[-1].lineno,
col_offset=parse_args_assignment.col_offset,
parser_name=parse_args_assignment.value.func.value.id
)
client_module = modules.load(module_source)
return client_module.main()
def extract_parser(modulepath):
source = read_client_module(modulepath)
nodes = ast.parse(''.join(source))
funcs = get_nodes_by_instance_type(nodes, _ast.FunctionDef)
assignment_objs = get_nodes_by_instance_type(nodes, _ast.Assign)
main_func = get_nodes_by_containing_attr(funcs, 'main')[0]
parse_args_assignment = get_nodes_by_containing_attr(
main_func.body, 'parse_args')[0]
module_source = format_source_to_return_parser(
source,
cutoff_line=parse_args_assignment.lineno,
restart_line=main_func.body[-1].lineno,
col_offset=parse_args_assignment.col_offset,
parser_name=parse_args_assignment.value.func.value.id)
client_module = modules.load(module_source)
return client_module.main()
def test_load_creates_and_imports_module_from_string_source():
module = modules.load(module_source)
assert 10 == module.fooey()
def test_load_creates_and_imports_module_from_string_source():
module = modules.load(module_source)
assert 10 == module.fooey()
