Add --blocked-treebanks flag to parquet generator

- Added support for --blocked-treebanks argument
- Defaults to tools/blocked_treebanks.yaml
- Automatically filters out treebanks with license restrictions
- Updated usage documentation

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

tools/04_generate_parquet.py

@@ -16,11 +16,15 @@ For the actual implementation, see: https://github.com/bot-zen/ud-hf-parquet-too
 Repository: commul/universal_dependencies
 
 Usage:
-    python 04_generate_parquet.py [--test] [--treebanks NAMES] [--overwrite]
+    python 04_generate_parquet.py [OPTIONS]
 
-    --test: Only process 3 test treebanks (fr_gsd, en_ewt, it_isdt)
-    --treebanks: Comma-separated list of treebank names to process
-    --overwrite: Overwrite existing parquet files (default: skip existing)
+Options:
+    --test                      Only process 3 test treebanks (fr_gsd, en_ewt, it_isdt)
+    --treebanks NAMES           Comma-separated list of treebank names to process
+    --blocked-treebanks FILE    Path to blocked treebanks YAML file (default: tools/blocked_treebanks.yaml)
+    --overwrite                 Overwrite existing parquet files (default: skip existing)
+    -v, --verbose               Print progress messages (default: True)
+    -q, --quiet                 Suppress progress messages
 
 Note for developers:
     If you're modifying the ud-hf-parquet-tools library locally, run this script
@@ -48,6 +52,7 @@ REPO_ROOT = Path(__file__).parent.parent.resolve()
 METADATA_FILE = REPO_ROOT / f"metadata.json"
 UD_REPOS_DIR = REPO_ROOT / "tools" / "UD_repos"
 OUTPUT_DIR = REPO_ROOT / "parquet"
+BLOCKED_TREEBANKS_FILE = REPO_ROOT / "tools" / "blocked_treebanks.yaml"
 
 
 def main():
@@ -57,12 +62,16 @@ def main():
     )
     parser.add_argument("--test", action="store_true", help="Test mode: process 3 treebanks only")
     parser.add_argument("--treebanks", help="Comma-separated list of treebank names")
+    parser.add_argument("--blocked-treebanks", help="Path to blocked treebanks YAML file")
     parser.add_argument("--overwrite", action="store_true", help="Overwrite existing parquet files")
     parser.add_argument("-v", "--verbose", action="store_true", default=True, help="Verbose output")
     parser.add_argument("-q", "--quiet", action="store_true", help="Quiet mode")
 
     args = parser.parse_args()
 
+    # Use default blocked treebanks file if not specified
+    blocked_treebanks_path = args.blocked_treebanks or str(BLOCKED_TREEBANKS_FILE)
+
     # Build arguments for ud-hf-parquet-tools
     tool_args = [
         "ud-hfp-tools",
@@ -70,6 +79,7 @@ def main():
         "--metadata", str(METADATA_FILE),
         "--ud-repos-dir", str(UD_REPOS_DIR),
         "--output-dir", str(OUTPUT_DIR),
+        "--blocked-treebanks", blocked_treebanks_path,
     ]
 
     if args.test: