Scraping SSL CERTIFICATE VERIFY FAILED error for http en wikipedia org

Question

I m practicing the code from  Web Scraping with Python   and I keep having this certificate problem   from urllib request import urlopen  from bs4 import BeautifulSoup  import re  pages   set   def getLinks pageUrl       global pages     html   urlopen  http   en wikipedia org  pageUrl      bsObj   BeautifulSoup html      for link in bsObj findAll  a   href re compile     wiki               if  href  in link attrs              if link attrs  href   not in pages                   We have encountered a new page                 newPage   link attrs  href                    print newPage                   pages add newPage                   getLinks newPage  getLinks       The error is     File   Library Frameworks Python framework Versions 3 7 lib python3 7 urllib request py   line 1319  in do open     raise URLError err  urllib error URLError   lt urlopen error  SSL  CERTIFICATE VERIFY FAILED  certificate verify failed  unable to get local issuer certificate   ssl c 1049  gt    Btw I was also practicing scrapy  but kept getting the problem  command not found  scrapy  I tried all sorts of solutions online but none works    really frustrating

User · Answer

I could find this solution and is working fine   cd  Applications Python  3 7    Install  Certificates command

User · Answer

Install Certificates command on your mac

User · Answer

I am using Debian 10 buster and try download a file with youtube-dl and get this error  sudo youtube-dl -k https   youtu be uscis0CnDjk   youtube  uscis0CnDjk  Downloading webpage ERROR  Unable to download webpage   lt urlopen error  SSL  CERTIFICATE VERIFY FAILED  certificate verify failed  unable to get local issuer certificate   ssl c 1056  gt   caused by URLError SSLCertVerificationError 1    SSL  CERTIFICATE VERIFY FAILED  certificate verify failed  unable to get local issuer certificate   ssl c 1056       Certificates with python2 and python3 8 are installed correctly  but i persistent receive the same error  finally  which is not the best solution  but works for me was to eliminate the certificate check as it is given as an option in youtube-dl  whith this command sudo youtube-dl -k --no-check-certificate https   youtu be uscis0CnDjk

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For novice users  you can go in the Applications folder and expand the Python 3 7 folder  Now first run  or double click  the Install Certificates command and then Update Shell Profile command

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This will work  Set the environment variable PYTHONHTTPSVERIFY to 0   By typing linux command   export PYTHONHTTPSVERIFY   0  OR  Using in python code   import os os environ  quot PYTHONHTTPSVERIFY quot      quot 0 quot

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i didn t solve the problem  sadly  but managed to make to codes work  almost all of my codes have this probelm btw  the local issuer certificate problem happens under python3 7 so i changed back to python2 7 QAQ and all that needed to change including  from urllib2 import urlopen  instead of  from urllib request import urlopen  so sad

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For me the problem was that I was setting REQUESTS CA BUNDLE in my  bash profile  Users westonagreene  bash profile      export REQUESTS CA BUNDLE  usr local etc openssl cert pem      Once I set REQUESTS CA BUNDLE to blank  i e  removed from  bash profile   requests worked again  export REQUESTS CA BUNDLE  quot  quot   The problem only exhibited when executing python requests via a CLI  Command Line Interface   If I ran requests get URL  CERT  it resolved just fine  Mac OS Catalina  10 15 6   Pyenv of 3 6 11  Error message I was getting   SSL  CERTIFICATE VERIFY FAILED  certificate verify failed  unable to get local issuer certificate   ssl c 1056  My answer elsewhere  https   stackoverflow com a 64151964 4420657

User · Answer

Use requests library  Try this solution  or just add https    before the URL   import requests from bs4 import BeautifulSoup import re  pages   set   def getLinks pageUrl       global pages     html   requests get  http   en wikipedia org  pageUrl  verify False  text     bsObj   BeautifulSoup html      for link in bsObj findAll  a   href re compile     wiki               if  href  in link attrs              if link attrs  href   not in pages                   We have encountered a new page                 newPage   link attrs  href                   print newPage                  pages add newPage                  getLinks newPage  getLinks       Check if this works for you

User · Answer

Take a look at this post  it seems like for later versions of Python  certificates are not pre installed which seems to cause this error  You should be able to run the following command to install the certifi package   Applications Python  3 6 Install  Certificates command  Post 1  urllib and  quot SSL  CERTIFICATE VERIFY FAILED quot  Error  Post 2  Airbrake error  urlopen error  SSL  CERTIFICATE VERIFY FAILED  certificate verify failed  unable to get local issuer certificate

User · Answer

Two steps worked for me   - going Macintosh HD   Applications   Python3 7 folder  - click on  Install Certificates command

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For anyone who is using anaconda  you would install the certifi package  see more at    https   anaconda org anaconda certifi  To install  type this line in your terminal   conda install -c anaconda certifi

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This terminal command   open  Applications Python  3 7 Install  Certificates command  Found here  https   stackoverflow com a 57614113 6207266  Resolved it for me   With my config  pip install --upgrade certifi  had no impact

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I had the same error and solved the problem by running the program code below    install certifi py     sample script to install or update a set of default Root Certificates   for the ssl module   Uses the certificates provided by the certifi package          https   pypi python org pypi certifi  import os import os path import ssl import stat import subprocess import sys  STAT 0o775     stat S IRUSR   stat S IWUSR   stat S IXUSR                stat S IRGRP   stat S IWGRP   stat S IXGRP                stat S IROTH                  stat S IXOTH     def main        openssl dir  openssl cafile   os path split          ssl get default verify paths   openssl cafile       print  quot  -- pip install --upgrade certifi quot       subprocess check call  sys executable           quot -E quot    quot -s quot    quot -m quot    quot pip quot    quot install quot    quot --upgrade quot    quot certifi quot         import certifi        change working directory to the default SSL directory     os chdir openssl dir      relpath to certifi cafile   os path relpath certifi where        print  quot  -- removing any existing file or link quot       try          os remove openssl cafile      except FileNotFoundError          pass     print  quot  -- creating symlink to certifi certificate bundle quot       os symlink relpath to certifi cafile  openssl cafile      print  quot  -- setting permissions quot       os chmod openssl cafile  STAT 0o775      print  quot  -- update complete quot    if   name         main         main

User · Answer

If you re running on a Mac you could just search for Install Certificates command on the spotlight and hit enter

User · Answer

to use unverified ssl you can add this to your code   import ssl ssl  create default https context   ssl  create unverified context

User · Answer

To solve this    All you need to do is to install Python certificates  A common issue on macOS     Open these files    Install Certificates command Update Shell Profile command   Simply Run these two scripts and you wont have this issue any more     Hope this helps

User · Answer

Once upon a time I stumbled  with this issue  If you re using macOS go to Macintosh HD   Applications   Python3 6 folder  or whatever version of python you re using    double click on  Install Certificates command  file   D

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I m a relative novice compared to all the experts on Stack Overflow   I have 2 versions of jupyter notebook running  one through a fresh Anaconda Navigator installation and one through        I think this is because Anaconda was installed as a local installation on my Mac  per Anaconda instructions     I already had python 3 7 installed  After that  I used my terminal to open jupyter notebook and I think that it put another version globally onto my Mac    However  I m not sure because I m just learning through trial and error   I did the terminal command    conda install -c anaconda certifi     as directed above  but it didn t work     My python 3 7 is installed on OS Catalina10 15 3 in     Library Python 3 7 site-packages AND   Library Python 3 7 lib python site-packages   The certificate is at      Library Python 3 7 lib python site-packages certifi-2019 11 28 dist-info   I tried to find the Install Certificate command     but couldn t find it through looking through the file structures   not in Applications   not in links above   I finally installed it by finding it through Spotlight  as someone suggested above   And it double clicked automatically and installed ANOTHER certificate in the same folder as      Library Python 3 7 lib python site-packages    NONE of the above solved anything for me   I still got the same error     So  I solved the problem by    closing my jupyter notebook  opening Anaconda Navigator  opening jupyter notebook through the Navigator GUI  instead of through Terminal    opening my notebook and running the code    I can t tell you why this worked   But it solved the problem for me   I just want to save someone the hassle next time  If someone can tell my why it worked  that would be terrific   I didn t try the other terminal commands because of the 2 versions of jupyter notebook that I knew were a problem  I just don t know how to fix that

[python] Scraping: SSL: CERTIFICATE_VERIFY_FAILED error for http://en.wikipedia.org

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