Python3-问题整理

TypeError: a bytes-like object is required, not 'str'

json.decoder.JSONDecodeError: Extra data

json文件太大，改为单行读取：

with open("a", "r+") as f:

data = json.load(f)

改为：

with open("a.json", "r+") as f:

data = f.readline()

UnicodeEncodeError: 'gbk' codec can't encode character u'\xe7' in position

将 print(res.txt) 改成 print(res.text).encode('gbk','ignore')

Https相关

  requests发送HTTPS

  前提：verify=False

  报错：InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings

  解决：

  import urllib3

  urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

  多线程 - connectionpool.py https请求 InsecureRequestWarning

  解决：注释掉connectionpool.py的845-851行

IDE相关

 Pycharm

 全局查询关键字

 按快捷键Ctrl + Shift + F或从从菜单Edit-》Find-》Find in Path进入全局查找界面

爬虫相关

Max retries exceeded with url

.requests.adapters.DEFAULT_RETRIES =

.s = requests.session()

   s.keep_alive = False

Pycharm

File size exceeds configured limit 2.5M. Code insight features not available

help -》Edit custom properities -》输入 idea.max.intellisense.filesize=

字节/字符转换问题

TypeError: a bytes-like object is required, not ‘str’

str -》 encode()-》bytes

bytes -》decode() -》str

共存

python3-m pip install --upgrade pip --force-reinstall 
python2-m pip install --upgrade pip --force-reinstall

netaddr

用途

ip地址管理



安装

pip3 install netaddr

模块 - Queue

用途

队列

使用
from queue import Queue

包安装报错

Crypto.Cipher

巴特西

Python3-问题整理

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