mirror of
https://github.com/VinciGit00/Scrapegraph-ai.git
synced 2026-06-28 21:01:55 +08:00
57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
from typing import List, Optional
|
|
from playwright.sync_api import sync_playwright
|
|
from .base_node import BaseNode
|
|
|
|
class FetchScreenNode(BaseNode):
|
|
"""
|
|
FetchScreenNode captures screenshots from a given URL and stores the image data as bytes.
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
input: str,
|
|
output: List[str],
|
|
node_config: Optional[dict] = None,
|
|
node_name: str = "FetchScreenNode",
|
|
):
|
|
super().__init__(node_name, "node", input, output, 2, node_config)
|
|
self.url = node_config.get("link")
|
|
|
|
def execute(self, state: dict) -> dict:
|
|
"""Captures screenshots from the input URL and stores them in the state dictionary as bytes."""
|
|
|
|
screenshots = []
|
|
|
|
with sync_playwright() as p:
|
|
browser = p.chromium.launch()
|
|
page = browser.new_page()
|
|
page.goto(self.url)
|
|
|
|
viewport_height = page.viewport_size["height"]
|
|
|
|
# Initialize screenshot counter
|
|
screenshot_counter = 1
|
|
|
|
# List to keep track of screenshot data
|
|
screenshot_data_list = []
|
|
|
|
# Function to capture screenshots
|
|
def capture_screenshot(scroll_position, counter):
|
|
page.evaluate(f"window.scrollTo(0, {scroll_position});")
|
|
screenshot_data = page.screenshot()
|
|
screenshot_data_list.append(screenshot_data)
|
|
|
|
# Capture screenshots
|
|
capture_screenshot(0, screenshot_counter) # First screenshot
|
|
screenshot_counter += 1
|
|
capture_screenshot(viewport_height, screenshot_counter) # Second screenshot
|
|
|
|
browser.close()
|
|
|
|
# Store screenshot data as bytes in the state dictionary
|
|
for screenshot_data in screenshot_data_list:
|
|
screenshots.append(screenshot_data)
|
|
state["link"] = self.url
|
|
state['screenshots'] = screenshots
|
|
return state
|