add --auto flag to automatically run following stages if successful

dlibrary/dlibrary.py

@@ -118,6 +118,8 @@ def open_rarfile_with_encoding(path):
 def extract(args):
     absolute_archive_paths = set(path.resolve(strict=True) for path in args.archives)
 
+    any_skipped = False
+
     for archive_path in args.archives:
         if archive_path.suffix.lower() == '.zip':
             work_id = archive_path.stem
@@ -142,6 +144,7 @@ def extract(args):
                 volumes = [Path(vol).resolve(strict=True) for vol in r.volumelist()]
                 if any(vol not in absolute_archive_paths for vol in volumes):
                     print(f'Multipart RAR archive starting with {archive_path} contains volume files not listed on command-line, skipping')
+                    any_skipped = True
                     continue
                 work_extract_path.mkdir(parents=True)
                 r.extractall(path=work_extract_path)
@@ -154,6 +157,11 @@ def extract(args):
             pass
         else:
             print(f'Unknown archive file type {archive_path}, skipping')
+            any_skipped = True
+
+    if args.auto and not any_skipped:
+        parser_fetch.parse_args(args=[], namespace=args)
+        fetch(args)
 
 
 def manual_input_metadata(work_id):
@@ -255,6 +263,9 @@ def url_file_ext(url):
 
 def fetch(args):
     asyncio.run(fetch_async(args))
+    if args.auto:
+        parser_collate.parse_args(args=[], namespace=args)
+        collate(args)
 
 
 def self_and_parents(path):
@@ -317,6 +328,8 @@ def collate(args):
     con = sqlite3.connect(args.destdir / 'meta.db')
     cur = con.cursor()
 
+    any_warnings = False
+
     for work_path in extraction_dir.iterdir():
         work_id = work_path.name
 
@@ -329,6 +342,7 @@ def collate(args):
                 continue
             if len(list(work_collation_dir.iterdir())) > 0:
                 print(f'Collation directory for work {work_id} already exists!')
+                any_warnings = True
                 break
             else:
                 work_collation_dir.rmdir()
@@ -337,6 +351,7 @@ def collate(args):
         if virtual == (1,):
             if work_id in specified_works:
                 print(f'Work {work_id} is virtual!')
+                any_warnings = True
                 break
             continue
 
@@ -363,9 +378,15 @@ def collate(args):
             elif collator.index == 0:
                 print(f'No files found for {work_id}, skipping')
 
+            any_warnings = True
+
     collation_staging_area.rmdir()
     con.close()
 
+    if args.auto and not any_warnings:
+        parser_generate.parse_args(args=[], namespace=args)
+        generate(args)
+
 class Collator:
     def __init__(self, dest, exclude, args):
         self.dest = dest
@@ -1172,6 +1193,11 @@ argparser.add_argument(
           'May still fall back to Japanese if other languages are unavailable. '
           '(default: $DLIBRARY_LOCALE or en_US)'),
 )
+argparser.add_argument(
+    '-a', '--auto',
+    action='store_true',
+    help='automatically continue the extract->fetch->collate->generate pipeline starting from whatever subcommand is being run',
+)
 subparsers = argparser.add_subparsers(title="subcommands", required=True)
 
 parser_extract = subparsers.add_parser('extract', aliases=['x'], help='extract archive files')