1 files changed, 60 insertions, 37 deletions
diff --git a/searx/plugins/hash_plugin.py b/searx/plugins/hash_plugin.py
index c27e2a432..9db3748b3 100644
--- a/searx/plugins/hash_plugin.py
+++ b/searx/plugins/hash_plugin.py
@@ -1,43 +1,66 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
-# pylint: disable=missing-module-docstring
+# pylint: disable=missing-module-docstring, missing-class-docstring
+from __future__ import annotations
+import typing
 
-import hashlib
 import re
+import hashlib
 
 from flask_babel import gettext
 
-name = "Hash plugin"
-description = gettext("Converts strings to different hash digests.")
-default_on = True
-preference_section = 'query'
-query_keywords = ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512']
-query_examples = 'sha512 The quick brown fox jumps over the lazy dog'
-
-parser_re = re.compile('(md5|sha1|sha224|sha256|sha384|sha512) (.*)', re.I)
-
-
-def post_search(_request, search):
-    # process only on first page
-    if search.search_query.pageno > 1:
-        return True
-    m = parser_re.match(search.search_query.query)
-    if not m:
-        # wrong query
-        return True
-
-    function, string = m.groups()
-    if not string.strip():
-        # end if the string is empty
-        return True
-
-    # select hash function
-    f = hashlib.new(function.lower())
-
-    # make digest from the given string
-    f.update(string.encode('utf-8').strip())
-    answer = function + " " + gettext('hash digest') + ": " + f.hexdigest()
-
-    # print result
-    search.result_container.answers.clear()
-    search.result_container.answers['hash'] = {'answer': answer}
-    return True
+from searx.plugins import Plugin, PluginInfo
+from searx.result_types import Answer
+
+if typing.TYPE_CHECKING:
+    from searx.search import SearchWithPlugins
+    from searx.extended_types import SXNG_Request
+
+
+class SXNGPlugin(Plugin):
+    """Plugin converts strings to different hash digests.  The results are
+    displayed in area for the "answers".
+    """
+
+    id = "hash_plugin"
+    default_on = True
+    keywords = ["md5", "sha1", "sha224", "sha256", "sha384", "sha512"]
+
+    def __init__(self):
+        super().__init__()
+
+        self.parser_re = re.compile(f"({'|'.join(self.keywords)}) (.*)", re.I)
+        self.info = PluginInfo(
+            id=self.id,
+            name=gettext("Hash plugin"),
+            description=gettext("Converts strings to different hash digests."),
+            examples=["sha512 The quick brown fox jumps over the lazy dog"],
+            preference_section="query",
+        )
+
+    def post_search(self, request: "SXNG_Request", search: "SearchWithPlugins") -> list[Answer]:
+        """Returns a result list only for the first page."""
+        results = []
+
+        if search.search_query.pageno > 1:
+            return results
+
+        m = self.parser_re.match(search.search_query.query)
+        if not m:
+            # wrong query
+            return results
+
+        function, string = m.groups()
+        if not string.strip():
+            # end if the string is empty
+            return results
+
+        # select hash function
+        f = hashlib.new(function.lower())
+
+        # make digest from the given string
+        f.update(string.encode("utf-8").strip())
+        answer = function + " " + gettext("hash digest") + ": " + f.hexdigest()
+
+        Answer(results=results, answer=answer)
+
+        return results