support https://github.com/z-mio/ehentai_bot

comiclib/scanner/24-ehentai_bot.py

@@ -0,0 +1,40 @@
+from pathlib import Path
+from zipfile import ZipFile
+import re, json
+from datetime import date
+
+import logging
+logger = logging.getLogger(__name__)
+
+class Scanner:
+    '''For https://github.com/z-mio/ehentai_bot, with <gid>.json put into the zip archive.'''
+
+    def scan(self, path: Path, id: str, metadata: dict, prev_scanners: list[str]) -> bool:
+        if not '10-zip' in prev_scanners or '20-ccloli' in prev_scanners:
+            return False
+        with ZipFile(path) as z:
+            for filename in z.namelist():
+                if (m := re.fullmatch(r'(\d+)\.json', filename, flags=re.ASCII)):
+                    with z.open(filename) as f:
+                        json_content = json.load(f)
+                        if not isinstance(json_content, dict):
+                            break
+                        gmetadata = json_content.get('gmetadata')
+                        if not (isinstance(gmetadata, list) and len(gmetadata) == 1 and isinstance(gmetadata[0], dict)):
+                            break
+                        logger.info(f' <- {path}')
+                        gmetadata = gmetadata[0]
+                        if gmetadata.get('gid') != int(m[1]):
+                            break
+                        metadata["id"] = f"EH{gmetadata['gid']:>018}{gmetadata['token']}{id[-10:]}"
+                        metadata["title"] = gmetadata['title']
+                        metadata["subtitle"] = gmetadata['title_jpn']
+                        metadata["categories"] = set((gmetadata['category'],))
+                        metadata["thumb"] = gmetadata['thumb']
+                        metadata["pagecount"] = gmetadata['filecount']
+                        metadata["tags"] = gmetadata['tags'] + [
+                            f"date_posted:{date.fromtimestamp(int(gmetadata['posted']))}",
+                        ]
+                        metadata["source"] = f"https://exhentai.org/g/{gmetadata['gid']}/{gmetadata['token']}/"
+                        return True
+        return False