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RedditVideoMakerBot/platforms/threads/screenshot.py

202 lines
8.0 KiB

"""Captures screenshots of Threads posts via Playwright."""
import json
import re
from pathlib import Path
from typing import Final
from playwright.sync_api import ViewportSize, sync_playwright
from utils import settings
from utils.console import print_step, print_substep
THREADS_LOGIN_URL = "https://www.threads.net/login"
THREADS_COOKIE_FILE = "./video_creation/data/cookie-threads.json"
def _login_to_threads(page, context) -> None:
"""
Performs Threads login via Instagram credentials (Threads uses Instagram auth).
Saves session cookies to cookie-threads.json for reuse on future runs.
Args:
page: Playwright page object
context: Playwright browser context
Raises:
RuntimeError: If login credentials are not configured.
"""
username = settings.config["threads"]["creds"].get("username", "").strip()
password = settings.config["threads"]["creds"].get("password", "").strip()
if not username or not password:
raise RuntimeError(
"Threads screenshot login requires credentials. "
"Set threads.creds.username and threads.creds.password in config.toml"
)
print_substep("Logging into Threads (via Instagram)...")
page.goto(THREADS_LOGIN_URL, timeout=0)
page.wait_for_load_state("networkidle")
# Threads login form uses Instagram auth with these selectors
page.locator('input[autocomplete="username"]').fill(username)
page.locator('input[autocomplete="current-password"]').fill(password)
page.get_by_role("button", name="Log in").click()
# Wait for login to complete
page.wait_for_timeout(6000)
# Persist cookies for reuse
cookies = context.cookies()
Path(THREADS_COOKIE_FILE).parent.mkdir(parents=True, exist_ok=True)
with open(THREADS_COOKIE_FILE, "w") as f:
json.dump(cookies, f)
print_substep("Logged into Threads and saved session cookies.", style="bold green")
def get_screenshots_of_threads_posts(content_object: dict, screenshot_num: int) -> None:
"""
Downloads screenshots of Threads posts via Playwright.
Args:
content_object: Standard content dict from platforms/threads/fetcher.py
screenshot_num: Number of reply screenshots to capture
"""
W: Final[int] = int(settings.config["settings"]["resolution_w"])
H: Final[int] = int(settings.config["settings"]["resolution_h"])
storymode: Final[bool] = settings.config["settings"]["storymode"]
print_step("Downloading screenshots of Threads posts...")
thread_id = re.sub(r"[^\w\s-]", "", content_object["thread_id"])
Path(f"assets/temp/{thread_id}/png").mkdir(parents=True, exist_ok=True)
# Theme colors
theme = settings.config["settings"]["theme"]
if theme == "dark":
bgcolor = (33, 33, 36, 255)
txtcolor = (240, 240, 240)
else:
bgcolor = (255, 255, 255, 255)
txtcolor = (0, 0, 0)
# Device scale factor (higher resolution screenshots)
dsf = (W // 600) + 1
with sync_playwright() as p:
print_substep("Launching headless browser...")
browser = p.chromium.launch(headless=True)
context = browser.new_context(
locale="en-US",
color_scheme="dark" if theme == "dark" else "light",
viewport=ViewportSize(width=W, height=H),
device_scale_factor=dsf,
user_agent=(
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
"AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/120.0.0.0 Safari/537.36"
),
)
# Try to load saved cookies; if not found or invalid, do a fresh login
cookie_path = Path(THREADS_COOKIE_FILE)
if cookie_path.exists():
try:
with open(cookie_path, encoding="utf-8") as f:
saved_cookies = json.load(f)
context.add_cookies(saved_cookies)
print_substep("Loaded saved Threads session cookies.")
except (json.JSONDecodeError, IOError):
print_substep("Saved cookies corrupted. Logging in fresh...")
page = context.new_page()
_login_to_threads(page, context)
page.close()
else:
print_substep("No saved cookies found. Logging in...")
page = context.new_page()
_login_to_threads(page, context)
page.close()
# Screenshot the main post
page = context.new_page()
page.goto(content_object["thread_url"], timeout=0)
page.wait_for_load_state("networkidle")
page.wait_for_timeout(3000)
postcontentpath = f"assets/temp/{thread_id}/png/title.png"
try:
# On Threads.net post permalink pages, the main post is the first article element
post_locator = page.locator("article").first
if not post_locator.is_visible():
raise RuntimeError(
"Main post article not found on page. "
"Check if you're logged in correctly or if the post is deleted."
)
if settings.config["settings"].get("zoom", 1) != 1:
zoom = settings.config["settings"]["zoom"]
page.evaluate(f"document.body.style.zoom={zoom}")
location = post_locator.bounding_box()
if location:
for k in location:
location[k] = float("{:.2f}".format(location[k] * zoom))
page.screenshot(clip=location, path=postcontentpath)
else:
post_locator.screenshot(path=postcontentpath)
else:
post_locator.screenshot(path=postcontentpath)
print_substep("Main post screenshot captured.", style="bold green")
except Exception as e:
print_substep(f"Failed to screenshot main post: {e}", style="red")
raise
# Screenshots of replies
if not storymode:
for idx in range(min(screenshot_num, len(content_object["comments"]))):
comment = content_object["comments"][idx]
try:
page.goto(comment["comment_url"], timeout=0)
page.wait_for_load_state("networkidle")
page.wait_for_timeout(2000)
# Each reply permalink page shows that reply as the first article
reply_locator = page.locator("article").first
if not reply_locator.is_visible():
print_substep(f"Reply {idx} article not found. Skipping...", style="yellow")
continue
if settings.config["settings"].get("zoom", 1) != 1:
zoom = settings.config["settings"]["zoom"]
page.evaluate(f"document.body.style.zoom={zoom}")
location = reply_locator.bounding_box()
if location:
for k in location:
location[k] = float("{:.2f}".format(location[k] * zoom))
page.screenshot(
clip=location,
path=f"assets/temp/{thread_id}/png/comment_{idx}.png",
)
else:
reply_locator.screenshot(
path=f"assets/temp/{thread_id}/png/comment_{idx}.png"
)
else:
reply_locator.screenshot(
path=f"assets/temp/{thread_id}/png/comment_{idx}.png"
)
except Exception as e:
print_substep(f"Error capturing reply {idx}: {e}. Skipping...", style="yellow")
# Don't crash; just skip this reply
continue
print_substep(f"Reply screenshots captured ({min(screenshot_num, len(content_object['comments']))} total).", style="bold green")
browser.close()
print_substep("Threads screenshots downloaded successfully.", style="bold green")