在我的Python代码中,我遇到了以下问题:
Traceback (most recent call last):
File "/tmp/mod_wsgi-localhost:5000:0/handler.wsgi", line 94, in <module>
recorder_directory=recorder_directory)
File "/usr/lib64/python3.6/site-packages/mod_wsgi/server/__init__.py", line 1400, in __init__
exec(code, self.module.__dict__)
File "/app/scripts/core.wsgi", line 1, in <module>
from core_nbi import core_ws as application
File "/app/core_if_nbi.py", line 357, in <module>
coreApi.start()
File "/app/core.py", line 250, in wrapper
return func(self, *args, **kwargs)
File "/app/core.py", line 646, in start
self.otkHandler.loadCertificate()
File "/app/core.py", line 294, in loadCertificate
default_backend())
File "/usr/lib64/python3.6/site-packages/cryptography/x509/base.py", line 50, in load_pem_x509_certificate
return backend.load_pem_x509_certificate(data)
File "/usr/lib64/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1143, in load_pem_x509_certificate
mem_bio = self._bytes_to_bio(data)
File "/usr/lib64/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 454, in _bytes_to_bio
data_ptr = self._ffi.from_buffer(data)
TypeError: from_buffer() cannot return the address of a unicode object
代码失败的原因是以下内容:
certificate = x509.load_pem_x509_certificate(
certificate_file.read(),
default_backend())
# backend=default_backend())
self.public_key = certificate.public_key()
请注意,使用Python 2.7版本时,此代码有效。 现在我需要更改我的Python版本,并且还更新了模块。 我要读取的证书是有效的PEM证书,以:
开头。-----BEGIN CERTIFICATE-----
MIIFgjCCA2oCCQD7TLSQ/uU4AjANBgkqhkiG9w0BAQsFADCBgjELMAkGA1UEBhMC
4y34NPO08tUuRauZvhejBWLlv1yC6UID0rLdkzjFd2x0hn326r3xaPMsD7BMZVXy
................................................................
O6dZxMeQwKIuDy1lQPTyleDIdKTSTX55/Dug7ey3/Ayl7Bw63H9rlEtKy8VONJrl
9G1sJf9MoktA9uPfMk0EU9B0CZzUUQ==
-----END CERTIFICATE-----
Package Version
-------------- ---------
aniso8601 7.0.0
appdirs 1.4.3
asn1crypto 0.24.0
avro-python3 1.9.0
bcrypt 3.1.7
certifi 2019.6.16
cffi 1.12.3
chardet 3.0.4
Click 7.0
cryptography 2.7
Flask 0.12.1
Flask-HTTPAuth 3.2.2
Flask-RESTful 0.3.5
idna 2.6
itsdangerous 1.1.0
Jinja2 2.10.1
kafka-python 1.4.3
MarkupSafe 1.1.1
mod-wsgi 4.5.18
netmiko 2.4.0
packaging 16.8
paramiko 2.6.0
pip 19.1.1
pycparser 2.19
PyJWT 1.5.2
pymongo 3.6.0
PyNaCl 1.3.0
pyparsing 2.2.0
pyserial 3.4
pytz 2019.1
PyYAML 5.1.1
requests 2.18.4
scp 0.13.2
setuptools 38.4.1
six 1.11.0
textfsm 0.4.1
urllib3 1.22
Werkzeug 0.15.5
pip 19.1.1 from /usr/lib/python3.6/site-packages/pip (python 3.6)
你知道如何解决这个问题吗?