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Code Issues Projects Releases Packages Wiki Activity Actions 4

script gen: extract action support (#3238)

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Shuchang Zheng 2025-08-19 21:21:05 -07:00 • committed by GitHub
parent 7823ff9c46
commit 2392252c66
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5 changed files with 161 additions and 43 deletions
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34
skyvern/core/script_generations/generate_script.py
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@ -151,11 +151,15 @@ def _make_decorator(block_label: str, block: dict[str, Any]) -> cst.Decorator:
)
def _action_to_stmt(act: dict[str, Any]) -> cst.BaseStatement:
def _action_to_stmt(act: dict[str, Any], assign_to_output: bool = False) -> cst.BaseStatement:
"""
Turn one Action dict into:
await page.<method>(xpath=..., intention=..., data=context.parameters)
Or if assign_to_output is True for extract actions:
output = await page.extract(...)
"""
method = ACTION_MAP[act["action_type"]]
@ -248,13 +252,23 @@ def _action_to_stmt(act: dict[str, Any]) -> cst.BaseStatement:
# await page.method(...)
await_expr = cst.Await(call)
# Wrap in a statement line: await ...
return cst.SimpleStatementLine([cst.Expr(await_expr)])
# If this is an extract action and we want to assign to output
if assign_to_output and method == "extract":
# output = await page.extract(...)
assign = cst.Assign(
targets=[cst.AssignTarget(cst.Name("output"))],
value=await_expr,
)
return cst.SimpleStatementLine([assign])
else:
# Wrap in a statement line: await ...
return cst.SimpleStatementLine([cst.Expr(await_expr)])
def _build_block_fn(block: dict[str, Any], actions: list[dict[str, Any]]) -> FunctionDef:
name = block.get("label") or _safe_name(block.get("title") or f"block_{block.get('workflow_run_block_id')}")
body_stmts: list[cst.BaseStatement] = []
is_extraction_block = block.get("block_type") == "extraction"
if block.get("url"):
body_stmts.append(cst.parse_statement(f"await page.goto({repr(block['url'])})"))
@ -262,9 +276,19 @@ def _build_block_fn(block: dict[str, Any], actions: list[dict[str, Any]]) -> Fun
for act in actions:
if act["action_type"] in [ActionType.COMPLETE, ActionType.TERMINATE, ActionType.NULL_ACTION]:
continue
body_stmts.append(_action_to_stmt(act))
if not body_stmts:
# For extraction blocks, assign extract action results to output variable
assign_to_output = is_extraction_block and act["action_type"] == "extract"
body_stmts.append(_action_to_stmt(act, assign_to_output=assign_to_output))
# For extraction blocks, add return output statement if we have actions
if is_extraction_block and any(
act["action_type"] == "extract"
for act in actions
if act["action_type"] not in [ActionType.COMPLETE, ActionType.TERMINATE, ActionType.NULL_ACTION]
):
body_stmts.append(cst.parse_statement("return output"))
elif not body_stmts:
body_stmts.append(cst.parse_statement("return None"))
return FunctionDef(