hermes 初始配置

2026-05-03 19:13:24 +00:00
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+---
+name: high-quality-image-downloader
+description: Skill for downloading high-quality images from free stock photo websites with fallback strategies
+---
+
+## Purpose
+Download high-resolution images from free stock photo websites (Pexels, Unsplash, etc.) with multiple fallback strategies when direct downloads fail.
+
+## When to Use
+- User requests high-quality images for reference, learning, or documentation
+- Need to download multiple images from free stock photo sites
+- Direct download methods fail due to website restrictions
+
+## Prerequisites
+- Internet connection
+- Access to free stock photo websites
+- Sufficient disk space for downloads
+
+## Steps
+
+### 1. Primary Download Strategy (Pexels)
+```bash
+# Navigate to temp directory
+cd /tmp
+
+# Try downloading from Pexels (most reliable)
+curl -s "https://www.pexels.com/search/{search_query}/" \
+  | grep -o 'https://images.pexels.com/photos/[^\"]*\.jpg\?auto=compress' \
+  | head -{number_of_images} \
+  | sed 's/\\?auto=compress//g' \
+  | xargs -I {} curl -s -O {}
+```
+
+### 2. Secondary Download Strategy (Unsplash)
+```bash
+# If Pexels fails, try Unsplash
+curl -s "https://unsplash.com/s/photos/{search_query}" \
+  | grep -o 'https://images.unsplash.com/photo[^\"]*\.jpg' \
+  | head -{number_of_images} \
+  | xargs -I {} curl -s -O {}
+```
+
+### 3. Tertiary Download Strategy (Google Images)
+```bash
+# As last resort, try Google Images (may be blocked)
+curl -s "https://www.google.com/search?q={search_query}&tbm=isch" \
+  | grep -o 'https://[^\"]*\.jpg' \
+  | head -{number_of_images} \
+  | xargs -I {} curl -s -O {}
+
+# Alternative: Use Bing Images
+curl -s "https://www.bing.com/images/search?q={search_query}" \
+  | grep -o 'https://[^\"]*\.jpg' \
+  | head -{number_of_images} \
+  | xargs -I {} curl -s -O {}
+```
+
+### 4. File Verification
+```bash
+# Verify downloaded files
+ls -la /tmp/*.jpg | head -{number_of_images}
+file /tmp/*.jpg | head -{number_of_images}
+```
+
+## Error Handling
+
+## Error Handling
+
+### Common Issues and Solutions:
+1. **Website blocking requests**: Use different User-Agent headers
+2. **Rate limiting**: Add delays between requests
+3. **Incomplete downloads**: Retry failed downloads
+4. **Wrong file formats**: Convert to standard formats
+5. **WeChat sending failures**: Provide local file paths instead
+6. **Large file sizes**: Use compressed formats (WebP) when possible
+
+### Retry Logic:
+```bash
+# Retry failed downloads up to 3 times
+for attempt in {1..3}; do
+  if [ -s "filename.jpg" ]; then
+    echo "Download successful"
+    break
+  else
+    echo "Download failed, retrying ($attempt/3)"
+    sleep 2
+  fi
+done
+
+# Handle WeChat-specific failures
+grep -q "Weixin send failed" error.log && {
+  echo "WeChat sending failed. Files saved to /tmp/"
+  ls -la /tmp/*.jpg
+}
+```
+
+### Retry Logic:
+```bash
+# Retry failed downloads up to 3 times
+for attempt in {1..3}; do
+  if [ -s "filename.jpg" ]; then
+    echo "Download successful"
+    break
+  else
+    echo "Download failed, retrying ($attempt/3)"
+    sleep 2
+  fi
+done
+```
+
+
+## Verification Steps
+1. Check file sizes (should be > 1KB for valid images)
+2. Verify file format with `file` command
+3. Confirm expected number of files downloaded
+4. Test image displayability
+5. Verify WeChat sending capability (if applicable)
+6. Check file sizes for WeChat compatibility
+
+
+## WeChat Integration Notes
+- Direct file sending to WeChat may time out due to large file sizes
+- Use `MEDIA:/path/to/file` format for file sharing
+- Consider file size limits (typically 20MB for images)
+- If sending fails, provide file paths for user to access locally
+- WebP format may not display properly in all WeChat clients
+
+
+## Performance Tips
+- Use parallel downloads for faster processing
+- Cache successful search results
+- Clean up failed downloads automatically
+- Monitor disk space usage
+- Use WebP format for smaller file sizes when possible
+
+## Example Usage
+```bash
+# Download 10 high-quality back exercise images
+cd /tmp
+curl -s "https://www.pexels.com/search/back%20exercises/" \
+  | grep -o 'https://images.pexels.com/photos/[^\"]*\.jpg\?auto=compress' \
+  | head -10 \
+  | sed 's/\\?auto=compress//g' \
+  | xargs -I {} curl -s -O {}
+
+# Verify downloads
+ls -la /tmp/*.jpg | head -10
+file /tmp/*.jpg | head -10
+
+# If WeChat sending fails, provide local paths
+echo "Files saved to /tmp/"
+ls -la /tmp/*.jpg
+```