Drop support for EOL Python 3.7

Author: hugovk

Diff for: .github/workflows/tests.yml

@@ -11,7 +11,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.7"
           - "3.8"
           - "3.9"
           - "pypy3.9"

Diff for: .travis.yml

@@ -6,7 +6,6 @@ cache: pip
 # See: https://github.com/travis-ci/travis-ci/issues/3024
 
 python:
-  - "3.7"
   - "3.8"
   - "3.9"
   - "3.10"

Diff for: poetry.lock

@@ -33,7 +33,7 @@ include = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.7, <4"
+python = ">=3.8, <4"
 pyasn1 = ">=0.1.3"
 
 [tool.poetry.dev-dependencies]

Diff for: pyproject.toml

@@ -60,23 +60,21 @@
 """Hash methods supported by this library."""
 
 
-if sys.version_info >= (3, 6):
-    # Python 3.6 introduced SHA3 support.
-    HASH_ASN1.update(
-        {
-            "SHA3-256": b"\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x08\x05\x00\x04\x20",
-            "SHA3-384": b"\x30\x41\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x09\x05\x00\x04\x30",
-            "SHA3-512": b"\x30\x51\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x0a\x05\x00\x04\x40",
-        }
-    )
-
-    HASH_METHODS.update(
-        {
-            "SHA3-256": hashlib.sha3_256,
-            "SHA3-384": hashlib.sha3_384,
-            "SHA3-512": hashlib.sha3_512,
-        }
-    )
+HASH_ASN1.update(
+    {
+        "SHA3-256": b"\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x08\x05\x00\x04\x20",
+        "SHA3-384": b"\x30\x41\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x09\x05\x00\x04\x30",
+        "SHA3-512": b"\x30\x51\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x0a\x05\x00\x04\x40",
+    }
+)
+
+HASH_METHODS.update(
+    {
+        "SHA3-256": hashlib.sha3_256,
+        "SHA3-384": hashlib.sha3_384,
+        "SHA3-512": hashlib.sha3_512,
+    }
+)
 
 
 class CryptoError(Exception):

Diff for: rsa/pkcs1.py

@@ -9,7 +9,7 @@ max-complexity = 10
 max-line-length = 100
 
 [mypy]
-python_version = 3.7
+python_version = 3.8
 warn_unused_ignores = True
 ignore_missing_imports = True
 follow_imports = skip

Diff for: setup.cfg

@@ -1,6 +1,6 @@
 [tox]
 # Environment changes have to be manually synced with '.travis.yml'.
-envlist = py{37,38,39,310,311,312}
+envlist = py{38,39,310,311,312}
 isolated_build = True
 
 [pytest]
@@ -11,9 +11,3 @@ deps = poetry
 commands =
     poetry install
     poetry run pytest tests/
-
-[testenv:py37]
-whitelist_externals = poetry
-commands=
-    poetry install
-    poetry run pytest --doctest-modules rsa tests/