实现mol文件转换成sdf文件格式修改爬取域名，更换为老域名;

[dsxksss]

修复pandas依赖过旧导致的问题
删除爬取后产生的数据文件

Summary by Sourcery

Implement conversion of MOL files to SDF format and update the domain used for data retrieval to the old domain.

New Features:

• Add functionality to convert MOL files to SDF format using RDKit and save them to a specified path.

Enhancements:

• Update the root URL and other related URLs in the TcmspSpider class to use the old domain for data retrieval.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request implements changes to the TCMSP (Traditional Chinese Medicine Systems Pharmacology) spider, including updating the domain URL, adding functionality to convert MOL files to SDF format, and making minor adjustments to existing code. The changes primarily focus on improving data retrieval and export capabilities.

File-Level Changes

Change	Details	Files
Updated the domain URL from 'tcmsp-e.com' to 'old.tcmsp-e.com'	Changed root_url in TcmspSpider class Updated URL in get_data function	src/tcmsp.py src/get_all_data.py
Added functionality to convert MOL files to SDF format	Imported required libraries (rdkit, tempfile, tqdm) Implemented mol2sdf method in TcmspSpider class Added call to mol2sdf method in get_herb_data	src/tcmsp.py
Made minor adjustments to existing code	Added trailing commas to function calls Improved error handling and logging in mol2sdf method	src/tcmsp.py

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[sourcery-ai]

Hey @dsxksss - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider improving error handling in the mol2sdf function. Currently, errors are just printed, which might not be sufficient for production use.
• The mol2sdf function processes files sequentially. For large datasets, consider implementing batch processing or parallel execution to improve performance.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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