def _action_stack_to_python(block, tw, name="start"):
""" Turn a stack of blocks into Python code
name -- the name of the action stack (defaults to "start") """
if isinstance(name, int):
name = float(name)
if not isinstance(name, basestring):
name = str(name)
# traverse the block stack and get the AST for every block
ast_list = _walk_action_stack(block, tw.lc)
if not ast_list or not isinstance(ast_list[-1], ast.Yield):
ast_list.append(ast_yield_true())
action_stack_ast = ast.Module(body=ast_list)
# serialize the ASTs into python code
generated_code = codegen.to_source(action_stack_ast)
# wrap the action stack setup code around everything
name_id = _make_identifier(name)
if name == "start":
pre_preamble = _START_STACK_START_ADD
for k in plugins_in_use:
pre_preamble += " global %s\n" % (k.lower(),)
pre_preamble += " %s = global_objects['%s']\n" % (k.lower(), k)
else:
pre_preamble = ""
generated_code = _indent(generated_code, 1)
if generated_code.endswith(linesep):
newline = ""
else:
newline = linesep
snippets = [
_ACTION_STACK_START % (name_id),
pre_preamble,
_ACTION_STACK_PREAMBLE,
generated_code,
newline,
_ACTION_STACK_END % (name, name_id),
]
return "".join(snippets)
def _action_stack_to_python(block, tw, name='start'):
""" Turn a stack of blocks into Python code
name -- the name of the action stack (defaults to "start") """
if isinstance(name, int):
name = float(name)
if not isinstance(name, basestring):
name = str(name)
# traverse the block stack and get the AST for every block
ast_list = _walk_action_stack(block, tw.lc)
if not ast_list or not isinstance(ast_list[-1], ast.Yield):
ast_list.append(ast_yield_true())
action_stack_ast = ast.Module(body=ast_list)
# serialize the ASTs into python code
generated_code = codegen.to_source(action_stack_ast)
# wrap the action stack setup code around everything
name_id = _make_identifier(name)
if name == 'start':
pre_preamble = _START_STACK_START_ADD
for k in plugins_in_use:
pre_preamble += ' global %s\n' % (k.lower(),)
pre_preamble += " %s = global_objects['%s']\n" % (k.lower(), k)
else:
pre_preamble = ''
generated_code = _indent(generated_code, 1)
if generated_code.endswith(linesep):
newline = ''
else:
newline = linesep
snippets = [_ACTION_STACK_START % (name_id),
pre_preamble,
_ACTION_STACK_PREAMBLE,
generated_code,
newline,
_ACTION_STACK_END % (name, name_id)]
return ''.join(snippets)