Jeg er veldig ny i Python og prøver å > pip install linkchecker
på Windows 7. Noen notater:
> pip install scrapy
også i SSL-feilen.python
og pip
var ikke tilgjengelig fra kommandolinjen før jeg installerte 3.4.1.Her er innholdet i min pip.log etter å ha kjørt pip install linkchecker
:
Downloading/unpacking linkchecker
Getting page https://pypi.python.org/simple/linkchecker/
Could not fetch URL https://pypi.python.org/simple/linkchecker/: connection error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:598)
Will skip URL https://pypi.python.org/simple/linkchecker/ when looking for download links for linkchecker
Getting page https://pypi.python.org/simple/
Could not fetch URL https://pypi.python.org/simple/: connection error: HTTPSConnectionPool(host='pypi.python.org', port=443): Max retries exceeded with url: /simple/ (Caused by <class 'http.client.CannotSendRequest'>: Request-sent)
Will skip URL https://pypi.python.org/simple/ when looking for download links for linkchecker
Cannot fetch index base URL https://pypi.python.org/simple/
URLs to search for versions for linkchecker:
* https://pypi.python.org/simple/linkchecker/
Getting page https://pypi.python.org/simple/linkchecker/
Could not fetch URL https://pypi.python.org/simple/linkchecker/: connection error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:598)
Will skip URL https://pypi.python.org/simple/linkchecker/ when looking for download links for linkchecker
Could not find any downloads that satisfy the requirement linkchecker
Cleaning up...
Removing temporary dir C:\Users\jcook\AppData\Local\Temp\pip_build_jcook...
No distributions at all found for linkchecker
Exception information:
Traceback (most recent call last):
File "C:\Python34\lib\site-packages\pip\basecommand.py", line 122, in main
status = self.run(options, args)
File "C:\Python34\lib\site-packages\pip\commands\install.py", line 278, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
File "C:\Python34\lib\site-packages\pip\req.py", line 1177, in prepare_files
url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
File "C:\Python34\lib\site-packages\pip\index.py", line 277, in find_requirement
raise DistributionNotFound('No distributions at all found for %s' % req)
pip.exceptions.DistributionNotFound: No distributions at all found for linkchecker
Du kan angi et sertifikat med denne parameteren:
pip --cert /etc/ssl/certs/FOO_Root_CA.pem install linkchecker
Se: Dokumenter » Referansehåndbok » pip.
Hvis det ikke fungerer å angi bedriftens rotsertifikat, kan det hende at cURL-sertifikatet fungerer: http://curl.haxx.se/ca/cacert.pem
Du må bruke en PEM-fil og ikke en CRT-fil. Hvis du har en CRT-fil, må du konvertere filen til PEM Det rapporteres i kommentarfeltet at dette nå fungerer med en CRT-fil, men jeg har ikke verifisert det.
Sjekk også: SSL Cert Verification.
Du kan prøve å omgå SSL-feilen ved å bruke http i stedet for https. Dette er selvfølgelig ikke optimalt med tanke på sikkerhet, men hvis du har det travelt, bør det fungere:
pip install --index-url=http://pypi.python.org/simple/ linkchecker
Jeg løste dette problemet ved å fjerne min pip og installere den eldre versjonen av pip: https://pypi.python.org/pypi/pip/1.2.1