MegaKits插件移植 (#28)

* 新增了萌百插件(meowiki)

* 更新萌百搜索

* 删除萌百插件, 结束开发

* 新建MegaKits插件

* 修复

* 摩尔斯电码加密/解码

* 猫语转换/翻译

nonebot_plugin_marshoai/plugins/twisuki_megakits/mk_nya_code.py

@@ -0,0 +1,74 @@
+# NyaCode
+
+import base64
+import random
+
+NyaCodeCharset = ["喵", "呜", "?", "~"]
+NyaCodeSpecialCharset = ["唔", "!", "...", ".."]
+NyaCodeEncode = {}
+
+for i in range(64):
+    triplet = ""
+    for j in range(3):
+        index = (i // (4**j)) % 4
+        triplet += NyaCodeCharset[index]
+
+    if i < 26:
+        char = chr(65 + i)  # 大写字母 A-Z
+    elif i < 52:
+        char = chr(97 + (i - 26))  # 小写字母 a-z
+    elif i < 62:
+        char = chr(48 + (i - 52))  # 数字 0-9
+    elif i == 62:
+        char = chr(43)  # 特殊字符 +
+    else:
+        char = chr(47)  # 特殊字符 /
+    NyaCodeEncode[char] = triplet
+NyaCodeDecode = {value: key for key, value in NyaCodeEncode.items()}
+
+
+async def nya_encrypt(msg: str):
+    result = ""
+    b64str = base64.b64encode(msg.encode()).decode().replace("=", "")
+
+    nyastr = ""
+    for b64char in b64str:
+        nyastr += NyaCodeEncode[b64char]
+
+    for char in nyastr:
+        if char == "呜" and random.random() < 0.5:
+            result += "!"
+        if random.random() < 0.25:
+            result += random.choice(NyaCodeSpecialCharset) + char
+        else:
+            result += char
+    return result
+
+
+async def nya_decrypt(msg: str):
+    msg = msg.replace("唔", "").replace("!", "").replace(".", "")
+    nyastr = []
+
+    i = 0
+    if len(msg) % 3 != 0:
+        return "这句话不是正确的猫语"
+
+    while i < len(msg):
+        nyachar = msg[i : i + 3]
+        try:
+            if all(char in NyaCodeCharset for char in nyachar):
+                nyastr.append(nyachar)
+            i += 3
+        except Exception:
+            return "这句话不是正确的猫语"
+
+    b64str = ""
+    for nyachar in nyastr:
+        b64str += NyaCodeDecode[nyachar]
+    b64str += "=" * (4 - len(b64str) % 4)
+
+    try:
+        result = base64.b64decode(b64str.encode()).decode()
+    except Exception:
+        return "翻译失败"
+    return result