兼容高版本cryptography库

Author: minibear2021

docs/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [1.2.44] - 2024-02-05
+
+### Fixed
+
+- 兼容高版本cryptography库
+
 ## [1.2.43] - 2023-12-13
 
 ### Fixed

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name="wechatpayv3",
-    version="1.2.43",
+    version="1.2.44",
     author="minibear",
     description="微信支付 API v3 Python SDK(python sdk for wechatpay v3)",
     long_description=long_description,

wechatpayv3/core.py

@@ -9,7 +9,7 @@
 from .type import RequestType, SignType
 from .utils import (aes_decrypt, build_authorization, hmac_sign,
                     load_certificate, load_private_key, rsa_decrypt,
-                    rsa_encrypt, rsa_sign, rsa_verify)
+                    rsa_encrypt, rsa_sign, rsa_verify, cryptography_version)
 
 
 class Core():
@@ -199,9 +199,14 @@ def _init_certificates(self):
                     continue
                 with open(self._cert_dir + file_name, encoding="utf-8") as f:
                     certificate = load_certificate(f.read())
-                now = datetime.now(timezone.utc)
-                if certificate and now >= certificate.not_valid_before_utc and now <= certificate.not_valid_after_utc:
-                    self._certificates.append(certificate)
+                if (int(cryptography_version.split(".")[0]) < 42):
+                    now = datetime.utcnow()
+                    if certificate and now >= certificate.not_valid_before and now <= certificate.not_valid_after:
+                        self._certificates.append(certificate)
+                else:
+                    now = datetime.now(timezone.utc)
+                    if certificate and now >= certificate.not_valid_before_utc and now <= certificate.not_valid_after_utc:
+                        self._certificates.append(certificate)
         if not self._certificates:
             self._update_certificates()
         if not self._certificates:

wechatpayv3/utils.py

@@ -13,6 +13,7 @@
 from cryptography.hazmat.primitives.hmac import HMAC
 from cryptography.hazmat.primitives.serialization import load_pem_private_key
 from cryptography.x509 import load_pem_x509_certificate
+from cryptography import __version__ as cryptography_version
 
 
 def build_authorization(path,