我正在尝试创建一个密码存储系统,但目前正在努力解决python模块( cryptography.fernet)中的一个错误。我试过搜索,但没有结果,我在这里问。有人知道如何解决这个问题吗?(下面的代码)
import PGL
from cryptography.fernet import Fernet as Fn
class APM():
class database():
def genkey():
keyfile = open("D:\\CODING\\Python\\APMKEY.APMKEY", "wb")
我写了下面的python程序
#! /usr/bin/python
def checkIndex(key):
if not isinstance(key, (int, long)): raise TypeError
if key<0: raise IndexError
class ArithmeticSequence:
def __init__(self, start=0, step=1):
self.start = start # Store the start value
self.step = step
当python脚本iftttbot.py使用iftttbot.plist (都包含在下面)通过launchd运行时,会给出错误:
Traceback (most recent call last):
File "/usr/bin/iftttbot.py", line 1, in <module>
from selenium import webdriver
ImportError: No module named selenium
Terminal也会给出这个错误,但前提是我显式地使用了python二进制文件的完整路径。在调用python二进制文件时省略
我为Python2.6重写了以下Python 2.7+代码,如下所示。
Python 2.7+
options = {key: value for key, value in options.items() if value is not None}
Python 2.6
options = dict((key, value) for key, value in options.items() if value is not None)
但是我得到了以下错误
SyntaxError: Generator expression must be parenthesized if not sole
我发现了以下关于Python2.7和Python 3+中的dict理解的堆栈溢出帖子:,声明我可以应用这样的字典理解:
d = {key: value for (key, value) in sequence}
我在Python 3中尝试过,但是它会引发异常。
d = {'a':1, 'b':2, 'c':3, 'd':4}
{key : value for (key, value) in d}
{key : value for key, value in d}
这两个版本都会引发一个ValueError,表示ValueError
我使用来模拟带有请求的调用,但我得到了以下错误:
File "/lib/python3.5/site-packages/requests/api.py", line 110, in post
return request('post', url, data=data, json=json, **kwargs)
File "/lib/python3.5/site-packages/requests/api.py", line 56, in request
return session.request(method=method,
这是我的密码:
class LangList(SGMLParser):
is_span = ""
langs = []
def start_span(self, attrs):
for key, value in attrs:
if key == 'class' and value == 'lang':
self.is_span = 1
def end_span(self):
self.is_span = ""