feat: reorganize homepage YouTube channels mosaic and add data/youtube_channels_mosaic.yaml

src/reorganize_mosaic.py

@@ -0,0 +1,80 @@
+import re
+import yaml
+import os
+
+def build_mosaic_markdown(yaml_path):
+    with open(yaml_path, 'r', encoding='utf-8') as f:
+        data = yaml.safe_load(f)
+
+    lines = []
+    lines.append('<center markdown="1">')
+    lines.append('')  # Mandatory blank line after center tag
+
+    first = True
+    for cat in data['categories']:
+        if not first:
+            lines.append('<br/>')
+            lines.append('')
+        first = False
+        
+        # Category header
+        lines.append(f"**{cat['name']}**")
+        
+        # Channel links
+        chan_links = []
+        for chan in cat['channels']:
+            chan_links.append(f"[![{chan['title']}]({chan['image']}){{: style=\"width:7%\"}}]({chan['url']})")
+        
+        lines.append(" ".join(chan_links))
+        lines.append('')
+        
+    lines.append('</center>')
+    return "\n".join(lines)
+
+def update_file(file_path, new_mosaic):
+    with open(file_path, 'r', encoding='utf-8') as f:
+        content = f.read()
+
+    # Find the specific <center markdown="1"> block containing "docker videos"
+    # We find where '<center markdown="1">' is, and make sure it has 'docker videos' before the next '</center>'
+    start_tag = '<center markdown="1">'
+    end_tag = '</center>'
+    
+    idx = 0
+    found = False
+    while True:
+        start_pos = content.find(start_tag, idx)
+        if start_pos == -1:
+            break
+        end_pos = content.find(end_tag, start_pos)
+        if end_pos == -1:
+            break
+        
+        block = content[start_pos : end_pos + len(end_tag)]
+        if 'docker videos' in block or 'docker_logo.jpg' in block:
+            # This is the target block
+            content = content[:start_pos] + new_mosaic + content[end_pos + len(end_tag):]
+            found = True
+            break
+        idx = start_pos + len(start_tag)
+        
+    if not found:
+        raise ValueError(f"Could not locate the YouTube channels mosaic block in {file_path}")
+    
+    with open(file_path, 'w', encoding='utf-8') as f:
+        f.write(content)
+    print(f"Successfully updated {file_path}")
+
+def main():
+    repo_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+    yaml_path = os.path.join(repo_root, 'data', 'youtube_channels_mosaic.yaml')
+    v1_path = os.path.join(repo_root, 'docs', 'index.md')
+    v2_path = os.path.join(repo_root, 'v2-docs', 'index.md')
+
+    new_mosaic = build_mosaic_markdown(yaml_path)
+    
+    update_file(v1_path, new_mosaic)
+    update_file(v2_path, new_mosaic)
+
+if __name__ == '__main__':
+    main()