fix: use strict mypy

lepture · lepture · commit e86dddb8f35b · 2023-07-20T23:29:06.000+09:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -65,6 +65,7 @@ exclude_lines = [
 ]
 
 [tool.mypy]
+strict = true
 python_version = "3.8"
 files = ["src/otpauth"]
 show_error_codes = true
diff --git a/src/otpauth/rfc4226.py b/src/otpauth/rfc4226.py
@@ -61,5 +61,6 @@ def generate_hotp(secret: bytes, counter: int, digit: int = 6, algorithm: Suppor
     digest = hmac.new(secret, msg, hash_alg).digest()
     offset = digest[19] & 0xF
     bin_code: int = struct.unpack(">I", digest[offset: offset + 4])[0]
-    base = bin_code & 0x7FFFFFFF
-    return base % (10**digit)
+    total: int = bin_code & 0x7FFFFFFF
+    power: int = 10 ** digit
+    return total % power
diff --git a/src/otpauth/rfc6238.py b/src/otpauth/rfc6238.py
@@ -57,7 +57,7 @@ def generate_totp(
         period: int = 30,
         timestamp: t.Optional[int] = None,
         digit: int = 6,
-        algorithm: SupportedAlgorithms = "SHA1"):
+        algorithm: SupportedAlgorithms = "SHA1") -> int:
     """Generate a TOTP code.
 
     A TOTP code is an extension of TOTP algorithm.
