from?scrapy.exceptions?import?DropItem
import?scrapy
#定義圖片下載的pipeline
from?scrapy.pipelines.images?import?ImagesPipeline


class?ImgPipeline（ImagesPipeline）:
????#通過抓取的圖片url獲取一個Request用于下載
????def?get_media_requests（self?item?info）:
????????#返回Request根據圖片圖片url下載
????????yield?scrapy.Request（item[‘image_url‘]）
????#當下載請求完成后執行該方法
????def?item_completed（self?results?item?info）:
????????#獲取下載地址
????????image_path?=?[x[‘path‘]?for?ok?x?in?results?if?ok]
????????#判斷是否成功
????????if?not?image_path:
????????????raise?DropItem（“Item?contains?no?images“）
????????#將地址存入item
????????item[‘image_path‘]?=?image_path
????????return?item

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-06-28?11:16??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\
?????文件????????6148??2020-06-28?11:16??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\.DS_Store
?????目錄???????????0??2020-06-28?11:16??__MACOSX\
?????目錄???????????0??2020-06-28?11:16??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\
?????文件?????????120??2020-06-28?11:16??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\._.DS_Store
?????目錄???????????0??2020-06-28?11:12??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\
?????文件????????6148??2020-06-28?11:12??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.DS_Store
?????目錄???????????0??2020-06-28?11:16??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\
?????文件?????????120??2020-06-28?11:12??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\._.DS_Store
?????目錄???????????0??2019-08-03?07:24??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\
?????文件?????????304??2019-07-30?10:28??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\misc.xml
?????目錄???????????0??2020-06-28?11:16??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\
?????文件?????????230??2019-07-30?10:28??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\._misc.xml
?????文件?????????273??2019-07-30?10:28??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\modules.xml
?????文件?????????230??2019-07-30?10:28??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\._modules.xml
?????文件?????????478??2019-07-30?10:28??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\spider8.iml
?????文件?????????230??2019-07-30?10:28??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\._spider8.iml
?????文件???????13357??2019-08-03?07:24??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\workspace.xml
?????文件?????????230??2019-08-03?07:24??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\.idea\._workspace.xml
?????文件?????????194??2019-08-03?07:24??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\._.idea
?????目錄???????????0??2020-06-28?11:12??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\
?????文件????????6148??2020-06-28?11:12??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\.DS_Store
?????目錄???????????0??2020-06-28?11:16??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\
?????文件?????????120??2020-06-28?11:12??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\._.DS_Store
?????文件??????201494??2019-07-31?09:44??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\data.json
?????文件?????????230??2019-07-31?09:44??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\._data.json
?????文件?????????263??2019-07-30?10:29??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\scrapy.cfg
?????文件?????????230??2019-07-30?10:29??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\._scrapy.cfg
?????目錄???????????0??2019-07-31?09:43??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\scrapytest\
?????文件???????????0??2019-07-26?16:23??spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\scrapytest\__init__.py
?????目錄???????????0??2020-06-28?11:16??__MACOSX\spider鐖櫕鐖彇鏈€鏂版厱璇劇綉妗堜緥\spider\scrapytest\scrapytest\
............此處省略1842個文件信息