Initial Release of IGNCore version 2.5

2021-08-09 13:18:56 +02:00
commit a83d98c47e
910 changed files with 224171 additions and 0 deletions
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+import html
+import re
+
+from core.command_param_types import Any
+from core.decorators import instance, command
+
+
+@instance()
+class CalculatorController:
+    def __init__(self):
+        self.allow_chars_regex = re.compile(r"^[0123456789.+\-*%()/ &|^~<>]+$")
+
+    @command(command="calc",
+             params=[Any("formula")],
+             access_level="member",
+             description="Perform a calculation",
+             extended_description="Supported operators:\n\n"
+                                  "+ (addition)\n"
+                                  "- (subtraction)\n"
+                                  "* (multiplication)\n"
+                                  "/ (division)\n"
+                                  "% (modulus)\n"
+                                  "** (exponent)\n"
+                                  "// (floor/integer division)\n"
+                                  "< (less than)\n"
+                                  "> (greater than)\n"
+                                  "() (parenthesis)\n"
+                                  "& (binary AND)\n"
+                                  "| (binary OR)\n"
+                                  "^ (binary exclusive OR)\n"
+                                  "~ (binary ones complement)\n"
+                                  "<< (binary left shift)\n"
+                                  ">> (binary right shift)")
+    def calc_cmd(self, _, formula):
+        # this may be problematic if this bot is running on a system with a different locale
+        formula = html.unescape(formula.replace(",", "."))
+        if self.allow_chars_regex.match(formula):
+            try:
+                return f"{formula} = {round(eval(formula), 4)}"
+            except SyntaxError:
+                return "Error! Invalid formula supplied."
+        else:
+            return "Error! Invalid character detected."