python read file warning: “UnicodeDecodeError: ‘gbk’ codec can’t decode byte 0x80 in position 205: illegal multibyte sequence”
Solution 1:
FILE_OBJECT= open('data.txt','r', encoding='UTF-8')
Solution 2:
FILE_OBJECT= open('data.txt','rb')
code in program:
ERROR:
Solution:
File –> Settings –> Project (Project Interpreter) –> click on the plus sign –> search for pandas, and then click install.
After python 3.7.3 is installed, clicking on the exe starts an error
One or more issues caused the setup to fail. Please fix the issues and then retry setup. For more information see the log file.
Windows 7 Service Pack 1 and all applicable updates are required to install Python 3.6.4(64-bit).
Please update your machine and then restart the installation.
Reason.
Click on the link above and select the red mark to download, the download will be completed and you are good to go.
Error:Error:Cannot run program “E:\PythonProjects\venv\Scripts\python.exe” (in directory “E:\ProjectsHttpR”): CreateProcess error=2, system could not find the specified file.
Solution:
1 file–setting–Project: project name–Project Interpreter–path select the python installation path.
2 file–setting–Buile,Execution,Depolyment–Console–Python Console–Python interpretr. path Select the installation path of python.
python installation failed: error reported on make.
/usr/include/tkDecls.h:1542: error: expected ‘)’ before ‘*’ token
/usr/include/tkDecls.h:1639: error: expected declaration specifiers or ‘…’ before ‘Drawable’
/usr/include/tkDecls.h:1674: error: expected ‘)’ before ‘*’ token
/usr/include/tkDecls.h:1679: error: expected ‘)’ before ‘*’ token
/usr/include/tkDecls.h:1710: error: expected specifier-qualifier-list before ‘XColor’
Failed to find the necessary bits to build these modules:
bsddb185 dl imageop
sunaudiodev
To find the necessary bits, look in setup.py in detect_modules() for the module’s name.
Failed to build these modules:
_tkinter binascii zlib
The above error, resulting in
[storm@bs035 rpm]$ python
Python 2.6.6 (r266:84292, Apr 12 2016, 18:51:29)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type “help”, “copyright”, “credits” or “license” for more information.
>>> import random
Traceback (most recent call last):
File “<stdin>”, line 1, in <module>
File “/usr/local/lib/python2.6/random.py”, line 48, in <module>
from binascii import hexlify as _hexlify
ImportError: No module named binascii
>>>
Solution
The python version is not working properly causing this.
Upgrade installationzlib
# wget http://sourceforge.net/projects/libpng/files/zlib/1.2.8/zlib-1.2.8.tar.gz
# tar -zxvf zlib-1.2.8.tar.gz
# cd zlib-1.2.8
# ./configure
# make install
upgradesqlite3
# cd ..
# wget http://www.sqlite.org/2014/sqlite-autoconf-3080500.tar.gz
# tar -zxvf sqlite-autoconf-3080500.tar.gz
# cd sqlite-autoconf-3080500
# ./configure
# make
# make install
# cd ../Python-2.7.3
# make –s
# make && sudo make install
When the server 500 makes an error, the ordinary log will only record the request information of 500 in one line, and will not record the detailed error location
[ERROR] 2019-06-12 15:07:03,597 "GET /api/v1/test/ HTTP/1.1" 500 74196
You need to add a middleware that records detailed error information in the log
# -*- coding: UTF-8 -*-
import logging
logger = logging.getLogger('default')
class ExceptionLoggingMiddleware(object):
def process_exception(self, request, exception):
import traceback
logger.error(traceback.format_exc())
Add this middleware to the midview of settings_In classes
MIDDLEWARE_CLASSES = (
'utils.my_middleware.ExceptionLoggingMiddleware',
)
Use Django logger
'loggers': {
'django': {
'handlers': ['file', 'console'],
'level': 'INFO'
},
Effect
[ERROR] 2019-06-12 15:07:02,265 Internal Server Error: /api/v1/test/
Traceback (most recent call last):
File "E:\tcp_check\venv\lib\site-packages\django\core\handlers\exception.py", line 35, in inner
response = get_response(request)
File "E:\tcp_check\venv\lib\site-packages\django\core\handlers\base.py", line 128, in _get_response
response = self.process_exception_by_middleware(e, request)
File "E:\tcp_check\venv\lib\site-packages\django\core\handlers\base.py", line 126, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "E:\tcp_check\tcp_test_app\views.py", line 23, in test
a=1/0
ZeroDivisionError: division by zero
[ERROR] 2019-06-12 15:07:03,597 "GET /api/v1/test/ HTTP/1.1" 500 74196
cmd pip install Some packages report errors
pip install Consider using the `–user` option or check the permissions.
Just pip install –user package will fix it
pip install livetest error screenshot:
Problem Cause: There is a compatibility issue.
Problem solved.
1. Download https://files.pythonhosted.org/packages/de/77/7ab378ff9e62013f1756b64b1553e126ba7b3f3598bc9c5c8fc508c13d55/livetest-0.5.tar.gz
2. Modify \livetest-0.5\livetest\__init__.py
Modify import httplib -> import http.client as httplib
modify import urlparse -> import urllib.parse
modify from Cookie import BaseCookie, CookieError -> import http.cookiejar
Modify XXXError, e to XXXError as e
3. Modify \livetest-0.5\setup.py
modify long_description=file(‘README.rst’).read() -> long_description=open(‘README.rst’).read()
modify version=livetest.__version__-> version=’0.5′
Modify author_email=livetest.__author__-> author_email=’[email protected]’
4. Switch the path to \livetest-0.5 in cmd, execute python setup.py install and install successfully.
Use pip install pyecharts to download, the latest version is downloaded by default.
Directly from pyecharts import Bar reports an error, you have to import from pyecharts.charts.basic_charts import bar.
Or just download pyecharts0. 1.9.4 version.
The error is as follows.
pyecharts in the __init_.py file as follows:
Some websites do not obtain the security certificate issued by the browser. When you request this website, the browser will treat it as an unsafe website, so it will report ssl.certificate error
The solution is to modify the default certificate verification mode to no verification code, as follows:
from urllib import request
#Importing the authentication module
import ssl
# assign the default certificate validation mode to no validation
ssl._create_default_https_context = ssl._create_unverified_context
base_url = 'https://www.12306.cn/mormhweb/'
# initiate request
response = request.urlopen(base_url)
print(response.read().decode('utf-8'))
Finally, you will find that the error is not reported and the problem is solved