import zipfile def safe_extract_roberta_sets(zip_path, extract_to): try: with zipfile.ZipFile(zip_path, 'r') as zip_ref: # Check for archive errors before extracting corrupt_file = zip_ref.testzip() if corrupt_file is not None: print(f"Warning: Found a corrupted element at corrupt_file. Attempting force extraction...") zip_ref.extractall(extract_to) print("WALS RoBERTa Sets successfully fixed and unpacked.") except zipfile.BadZipFile: print("Critical Error: The archive file is severely broken. Please clear your cache and re-download.") safe_extract_roberta_sets("wals_roberta_sets_1-36.zip", "./model_sets_cache") Use code with caution. Summary Checklist for Troubleshooting Direct Cause Immediate Action BadZipFile Exception Network interruption during downloading Re-download via wget -c to resume partial streams. Missing Tensor Files Unzipping tool truncated deep path names
Run a checksum on the downloaded file to rule out a partial download. Use XLM-RoBERTa: Ensure you are using the multilingual version of RoBERTa
If you know block 136 is exactly 512 bytes starting at offset 0x8800 (typical block size), you can split the archive:
I can provide a specific code snippet to bypass the zip error once I know your .
Depending on your operating system and environment, use one of the following methods to force-extract or reconstruct the missing array states inside 136.zip . Method 1: The Linux zip -F or zip -FF Terminal Rebuild
# Add padding tokens to match the expected dimensions # This prevents the 'IndexError' during the batch collation. tokenizer.add_tokens([f"<wals_extra_i>" for i in range(wals_vocab_size)])
Access the official WALS database for language structure data.
Often the fastest "fix" is to bypass repair entirely. The Wals Roberta sets usually provide SHA-256 or MD5 checksums. Verify yours:
Even with CRC errors, you may recover >95% of the data, including most Roberta weights.
During batch preparation, tensor shapes misalign if an unzipped dataset contains raw null values. This drops rows dynamically and changes positional configurations, throwing an error during execution. Step-by-Step Guide to Implementing the "136zip" Fix
zip -FF wals_roberta_set_136.zip --out wals_roberta_set_136_deep_fixed.zip Use code with caution.
