refactor: ♻️ move hash id generation to a helper function

Author: newgene

src/controller/base.py

@@ -3,7 +3,6 @@
 from configparser import ConfigParser
 from datetime import datetime, timezone
 from enum import IntEnum
-from hashlib import blake2b  # requires python>=3.6, otherwise install pyblake2
 from urllib.parse import urlparse
 
 import jsonschema
@@ -199,7 +198,7 @@ def get_all(cls, size=10, from_=0, query_data=None):
             query_body = query_data["body"]
             search = search.query(query_type, **query_body)
         search = search.source(False)
-        search = search[from_ : from_ + size]
+        search = search[from_: from_ + size]
 
         for hit in search:
             try:  # unlikely but possible
@@ -243,9 +242,7 @@ def get(cls, _id):
     @property
     def _id(self):
         # can be a cached property in python 3.8+
-        _bytes = str(self._url).encode("utf8")
-        _hash = blake2b(_bytes, digest_size=16)
-        return _hash.hexdigest()
+        return decoder.get_id(self._url)
 
     @property
     def url(self):

src/utils/decoder.py

@@ -2,6 +2,7 @@
 
 import gzip
 import json
+from hashlib import blake2b
 
 import yaml
 
@@ -62,7 +63,7 @@ def to_dict(stream, ext=None, ctype=None):
             pass
     if isinstance(stream, str):
         if stream.startswith("export default "):
-            stream = stream[len("export default ") :]
+            stream = stream[len("export default "):]
 
     # brute force
     return to_yaml(stream)
@@ -79,3 +80,12 @@ def compress(stream):
 
 def decompress(stream):
     return gzip.decompress(stream) if stream else None
+
+
+# -------------
+# Hashed _id
+# -------------
+def get_id(url):
+    _bytes = str(url).encode("utf8")
+    _hash = blake2b(_bytes, digest_size=16)
+    return _hash.hexdigest()