pip issue installing almost any library

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I have a difficult time using pip to install almost anything. I"m new to coding, so I thought maybe this is something I"ve been doing wrong and have opted out to easy_install to get most of what I needed done, which has generally worked. However, now I"m trying to download the nltk library, and neither is getting the job done.

I tried entering

sudo pip install nltk

but got the following response:

/Library/Frameworks/Python.framework/Versions/2.7/bin/pip run on Sat May  4 00:15:38 2013
Downloading/unpacking nltk

  Getting page https://pypi.python.org/simple/nltk/
  Could not fetch URL [need more reputation to post link]: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>

  Will skip URL [need more reputation to post link]/simple/nltk/ when looking for download links for nltk

  Getting page [need more reputation to post link]/simple/
  Could not fetch URL https://pypi.python. org/simple/: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>

  Will skip URL [need more reputation to post link] when looking for download links for nltk

  Cannot fetch index base URL [need more reputation to post link]

  URLs to search for versions for nltk:
  * [need more reputation to post link]
  Getting page [need more reputation to post link]
  Could not fetch URL [need more reputation to post link]: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>

  Will skip URL [need more reputation to post link] when looking for download links for nltk

  Could not find any downloads that satisfy the requirement nltk

No distributions at all found for nltk

Exception information:
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.3.1-py2.7.egg/pip/basecommand.py", line 139, in main
    status = self.run(options, args)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.3.1-py2.7.egg/pip/commands/install.py", line 266, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.3.1-py2.7.egg/pip/req.py", line 1026, in prepare_files
    url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.3.1-py2.7.egg/pip/index.py", line 171, in find_requirement
    raise DistributionNotFound("No distributions at all found for %s" % req)
DistributionNotFound: No distributions at all found for nltk

--easy_install installed fragments of the library and the code ran into trouble very quickly upon trying to run it.

Any thoughts on this issue? I"d really appreciate some feedback on how I can either get pip working or something to get around the issue in the meantime.

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We hope this article has helped you to resolve the problem. Apart from pip issue installing almost any library, check other __main__ Python module-related topics.

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Carlo Schteiner

Singapore | 2023-02-06

Thanks for explaining! I was stuck with pip issue installing almost any library for some hours, finally got it done 🤗. Will use it in my bachelor thesis

Davies Lehnman

Munchen | 2023-02-06

Simply put and clear. Thank you for sharing. pip issue installing almost any library and other issues with URLs PHP module was always my weak point 😁. Will use it in my bachelor thesis

Frank Gonzalez

Tallinn | 2023-02-06

I was preparing for my coding interview, thanks for clarifying this - pip issue installing almost any library in Python is not the simplest one. Checked yesterday, it works!

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