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Add support for scrolller.com (#624)
* Add support for scrolller.com * Remove unused import * Remove unnecessary logging * Version update --------- Co-authored-by: Jules <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| from __future__ import annotations | ||
|
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| from typing import TYPE_CHECKING, Dict | ||
| import json | ||
|
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| from yarl import URL | ||
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| from ..base_functions.base_functions import log, logger, create_media_item | ||
| from ..base_functions.data_classes import DomainItem | ||
| from ..base_functions.error_classes import NoExtensionFailure | ||
|
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| if TYPE_CHECKING: | ||
| from ..base_functions.base_functions import ErrorFileWriter | ||
| from ..base_functions.sql_helper import SQLHelper | ||
| from ..client.client import ScrapeSession | ||
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| class ScrolllerCrawler: | ||
| def __init__(self, separate_posts: bool, quiet: bool, SQL_Helper: SQLHelper, error_writer: ErrorFileWriter, | ||
| args: Dict[str, str]): | ||
| self.separate_posts = separate_posts | ||
| self.quiet = quiet | ||
| self.SQL_Helper = SQL_Helper | ||
| self.error_writer = error_writer | ||
| self.scrolller_api = URL("https://api.scrolller.com/api/v2/graphql") | ||
| self.headers = {"Content-Type": "application/json"} | ||
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| async def fetch(self, session: ScrapeSession, url: URL) -> DomainItem: | ||
| subreddit = url.parts[-1] | ||
| domain_obj = DomainItem("scrolller", {}) | ||
| try: | ||
| log(f"Starting: {subreddit}", quiet=self.quiet, style="green") | ||
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| body = { | ||
| "query": """ | ||
| query SubredditQuery( | ||
| $url: String! | ||
| $filter: SubredditPostFilter | ||
| $iterator: String | ||
| ) { | ||
| getSubreddit(url: $url) { | ||
| title | ||
| children( | ||
| limit: 10000 | ||
| iterator: $iterator | ||
| filter: $filter | ||
| disabledHosts: null | ||
| ) { | ||
| iterator | ||
| items { | ||
| title | ||
| mediaSources { | ||
| url | ||
| } | ||
| blurredMediaSources { | ||
| url | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| """, | ||
| "variables": { | ||
| "url": f"/r/{subreddit}", | ||
| "filter": None, | ||
| "hostsDown": None | ||
| }, | ||
| } | ||
|
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| iterator = None | ||
| prev_iterator = None | ||
| iterations = 0 | ||
|
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| while True: | ||
| # Fetching items with iterator iterator | ||
| body["variables"]["iterator"] = iterator | ||
| response = await session.post(self.scrolller_api, data=json.dumps(body)) | ||
|
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| if response: | ||
| data = response | ||
| items = data["data"]["getSubreddit"]["children"]["items"] | ||
|
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| for item in items: | ||
| title = str(url.parts[-1]).split(".")[0] | ||
| mediaSources = item['mediaSources'] | ||
| if mediaSources: | ||
| highest_res_image_url = mediaSources[-1]['url'] | ||
| # Fetching highest resolution image | ||
| await self.get_image(URL(highest_res_image_url), URL(highest_res_image_url), title, domain_obj) | ||
|
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| prev_iterator = iterator | ||
| iterator = data["data"]["getSubreddit"]["children"]["iterator"] | ||
|
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| # If there's no more items or the iterator hasn't changed, break the loop | ||
| if not items or iterator == prev_iterator: | ||
| break | ||
| if iterations > 0 and iterator is None: | ||
| break | ||
| else: | ||
| break | ||
|
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| iterations += 1 | ||
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| await self.SQL_Helper.insert_domain("scrolller", url, domain_obj) | ||
| log(f"Finished: {subreddit}", quiet=self.quiet, style="green") | ||
| except Exception as e: | ||
| logger.debug("Error encountered while handling %s", subreddit, exc_info=True) | ||
| await self.error_writer.write_errored_scrape(subreddit, e, self.quiet) | ||
|
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| return domain_obj | ||
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| async def get_image(self, url: URL, referer: URL, title: str, domain_obj: DomainItem): | ||
| try: | ||
| media_item = await create_media_item(url, referer, self.SQL_Helper, "scrolller") | ||
| except NoExtensionFailure: | ||
| logger.debug("Couldn't get extension for %s", url) | ||
| return | ||
| await domain_obj.add_media(title, media_item) |
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