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reenbale the download action (#4299)

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This commit is contained in:
LawyZheng
2025-12-15 14:30:32 +08:00
committed by GitHub
parent 6178a20824
commit ce717146f3
9 changed files with 208 additions and 37 deletions
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81
skyvern/forge/agent.py
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@@ -6,6 +6,7 @@ import os
import random
import re
import string
import uuid
from asyncio.exceptions import CancelledError
from dataclasses import dataclass
from datetime import UTC, datetime
@@ -51,6 +52,7 @@ from skyvern.exceptions import (
MissingBrowserStatePage,
MissingExtractActionsResponse,
NoTOTPVerificationCodeFound,
PDFEmbedBase64DecodeError,
ScrapingFailed,
SkyvernException,
StepTerminationError,
@@ -110,6 +112,7 @@ from skyvern.webeye.actions.actions import (
CompleteAction,
CompleteVerifyResult,
DecisiveAction,
DownloadFileAction,
ExtractAction,
GotoUrlAction,
ReloadPageAction,
@@ -1035,16 +1038,73 @@ class ForgeAgent:
if json_response is None:
raise MissingExtractActionsResponse()
try:
otp_json_response, otp_actions = await self.handle_potential_OTP_actions(
task, step, scraped_page, browser_state, json_response
)
if otp_actions:
detailed_agent_step_output.llm_response = otp_json_response
actions = otp_actions
if pdf_embed_src := scraped_page.check_pdf_viewer_embed():
LOG.info("Generate DownloadFileAction for PDF viewer page", step_id=step.step_id)
pdf_bytes: bytes | None = None
download_url: str | None = None
# Check if the embed src is a data URI with base64 encoded PDF
# Format: data:application/pdf[;charset=...];base64,<base64_data>
if pdf_embed_src.startswith("data:application/pdf"):
# Use more precise regex to extract base64 data after the base64, prefix
# This pattern matches: data:application/pdf[;optional_params];base64,<data>
m = re.search(r"data:application/pdf[^;]*;base64,(.+)", pdf_embed_src, re.S)
if not m:
raise PDFEmbedBase64DecodeError(
pdf_embed_src=pdf_embed_src,
reason="Failed to extract base64 data from PDF embed src. Expected format: data:application/pdf[;charset=...];base64,<data>",
)
base64_data = m.group(1)
LOG.info(
"Found base64 data in PDF embed src",
step_id=step.step_id,
base64_data_length=len(base64_data),
)
# Decode base64 data with error handling
try:
pdf_bytes = base64.b64decode(base64_data, validate=True)
except Exception as e:
raise PDFEmbedBase64DecodeError(
pdf_embed_src=pdf_embed_src,
reason=f"Failed to decode base64 data: {str(e)}",
) from e
else:
# If not a data URI, treat it as a URL
LOG.info(
"Found PDF embed src as URL (not base64 data)",
step_id=step.step_id,
download_url=pdf_embed_src,
)
download_url = pdf_embed_src
actions = [
DownloadFileAction(
reasoning="Downloading the file from the PDF viewer.",
organization_id=task.organization_id,
workflow_run_id=task.workflow_run_id,
task_id=task.task_id,
step_id=step.step_id,
step_order=step.order,
action_order=0,
file_name=f"{uuid.uuid4()}.pdf",
byte=pdf_bytes,
download_url=download_url,
download=True,
)
]
else:
actions = parse_actions(
task, step.step_id, step.order, scraped_page, json_response["actions"]
otp_json_response, otp_actions = await self.handle_potential_OTP_actions(
task, step, scraped_page, browser_state, json_response
)
if otp_actions:
detailed_agent_step_output.llm_response = otp_json_response
actions = otp_actions
else:
actions = parse_actions(
task, step.step_id, step.order, scraped_page, json_response["actions"]
)
if context:
context.pop_totp_code(task.task_id)
@@ -1762,6 +1822,11 @@ class ForgeAgent:
persist_artifacts=False,
)
if scraped_page.check_pdf_viewer_embed():
next_step.is_speculative = False
LOG.info("Skipping speculative extract-actions for PDF viewer page", step_id=current_step.step_id)
return None
llm_api_handler = LLMAPIHandlerFactory.get_override_llm_api_handler(
task.llm_key,
default=app.LLM_API_HANDLER,