mirror of
https://github.com/VinciGit00/Scrapegraph-ai.git
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56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
"""
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fetch_screen_node module
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"""
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from typing import List, Optional
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from playwright.sync_api import sync_playwright
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from .base_node import BaseNode
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from ..utils.logging import get_logger
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class FetchScreenNode(BaseNode):
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"""
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FetchScreenNode captures screenshots from a given URL and stores the image data as bytes.
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"""
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def __init__(
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self,
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input: str,
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output: List[str],
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node_config: Optional[dict] = None,
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node_name: str = "FetchScreenNode",
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):
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super().__init__(node_name, "node", input, output, 2, node_config)
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self.url = node_config.get("link")
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def execute(self, state: dict) -> dict:
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"""
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Captures screenshots from the input URL and stores them in the state dictionary as bytes.
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"""
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self.logger.info(f"--- Executing {self.node_name} Node ---")
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with sync_playwright() as p:
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browser = p.chromium.launch()
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page = browser.new_page()
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page.goto(self.url)
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viewport_height = page.viewport_size["height"]
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screenshot_counter = 1
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screenshot_data_list = []
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def capture_screenshot(scroll_position, counter):
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page.evaluate(f"window.scrollTo(0, {scroll_position});")
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screenshot_data = page.screenshot()
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screenshot_data_list.append(screenshot_data)
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capture_screenshot(0, screenshot_counter)
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screenshot_counter += 1
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capture_screenshot(viewport_height, screenshot_counter)
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browser.close()
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state["link"] = self.url
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state['screenshots'] = screenshot_data_list
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return state
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