Python and pip list all versions of a package that s available

Question

Given the name of a Python package that can be installed with pip  is there any way to find out a list of all the possible versions of it that pip could install  Right now it s trial and error   I m trying to install a version for a third party library  but the newest version is too new  there were backwards incompatible changes made  So I d like to somehow have a list of all the versions that pip knows about  so that I can test them

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With pip versions above 20 03 you can use the old solver in order to get back all the available versions    pip install  --use-deprecated legacy-resolver pylibmc   ERROR  Could not find a version that satisfies the requirement pylibmc    from     versions  0 2  0 3  0 4  0 5  0 5 1  0 5 2  0 5 3  0 5 4  0 5 5  0 6  0 6 1  0 7  0 7 1  0 7 2  0 7 3  0 7 4  0 8  0 8 1  0 8 2  0 9  0 9 1  0 9 2  1 0a0   1 0b0  1 0  1 1  1 1 1  1 2 0  1 2 1  1 2 2  1 2 3  1 3 0  1 4 0  1 4 1   1 4 2  1 4 3  1 5 0  1 5 1  1 5 2  1 5 100 dev0  1 6 0  1 6 1   ERROR  No matching distribution found for pylibmc

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You can try to install package version that does to exist  Then pip will list available versions pip install hell  99999 ERROR  Could not find a version that satisfies the requirement hell  99999  from versions  0 1 0  0 2 0  0 2 1  0 2 2  0 2 3  0 2 4  0 3 0  0 3 1  0 3 2  0 3 3  0 3 4  0 4 0  0 4 1  ERROR  No matching distribution found for hell  99999

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update  As of March 2020  many people have reported that yolk  installed via pip install yolk3k  only returns latest version   Chris s answer seems to have the most upvotes and worked for me   The script at pastebin does work  However it s not very convenient if you re working with multiple environments hosts because you will have to copy create it every time   A better all-around solution would be to use yolk3k  which is available to install with pip  E g  to see what versions of Django are available     pip install yolk3k   yolk -V django Django 1 3 Django 1 2 5 Django 1 2 4 Django 1 2 3 Django 1 2 2 Django 1 2 1 Django 1 2 Django 1 1 4 Django 1 1 3 Django 1 1 2 Django 1 0 4   yolk3k is a fork of the original yolk which ceased development in 2012  Though yolk is no longer maintained  as indicated in comments below   yolk3k appears to be and supports Python 3   Note  I am not involved in the development of yolk3k  If something doesn t seem to work as it should  leaving a comment here should not make much difference  Use the yolk3k issue tracker instead and consider submitting a fix  if possible

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Here s my answer that sorts the list inside jq  for those who use systems where sort -V is not avalable       pythonPackage certifi   curl -Ls https   pypi org pypi  pythonPackage json   jq -r   releases   keys unsorted   sort by  split  quot   quot     map tonumber                         quot 2019 3 9 quot      quot 2019 6 16 quot      quot 2019 9 11 quot      quot 2019 11 28 quot      quot 2020 4 5 quot      quot 2020 4 5 1 quot      quot 2020 4 5 2 quot      quot 2020 6 20 quot      quot 2020 11 8 quot     And to fetch the last version number of the package     curl -Ls https   pypi org pypi  pythonPackage json   jq -r   releases   keys unsorted   sort by  split  quot   quot     map tonumber    -1   2020 11 8  or a bit faster     curl -Ls https   pypi org pypi  pythonPackage json   jq -r   releases   keys unsorted   max by  split  quot   quot     map tonumber     2020 11 8  Or even more simple        curl -Ls https   pypi org pypi  pythonPackage json   jq -r  info version 2020 11 8

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This works for me on OSX   pip install docker-compose   2 gt  amp 1     grep -oE                awk -F      print NF       sed -E  s         g      tr       n    It returns the list one per line   1 1 0rc1 1 1 0rc2 1 1 0 1 2 0rc1 1 2 0rc2 1 2 0rc3 1 2 0rc4 1 2 0 1 3 0rc1 1 3 0rc2 1 3 0rc3 1 3 0 1 3 1 1 3 2 1 3 3 1 4 0rc1 1 4 0rc2 1 4 0rc3 1 4 0 1 4 1 1 4 2 1 5 0rc1 1 5 0rc2 1 5 0rc3 1 5 0 1 5 1 1 5 2 1 6 0rc1 1 6 0 1 6 1 1 6 2 1 7 0rc1 1 7 0rc2 1 7 0 1 7 1 1 8 0rc1 1 8 0rc2 1 8 0 1 8 1 1 9 0rc1 1 9 0rc2 1 9 0rc3 1 9 0rc4 1 9 0 1 10 0rc1 1 10 0rc2 1 10 0   Or to get the latest version available   pip install docker-compose   2 gt  amp 1     grep -oE                awk -F      print NF       sed -E  s         g      tr       n      gsort -r -V     head -1   1 10 0rc2   Keep in mind gsort has to be installed  on OSX  to parse the versions  You can install it with brew install coreutils

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You don t need a third party package to get this information  pypi provides simple JSON feeds for all packages under https   pypi org pypi  PKG NAME  json  Here s some Python code using only the standard library which gets all versions  import json import urllib2 from distutils version import StrictVersion  def versions package name       url    quot https   pypi org pypi  s json quot     package name       data   json load urllib2 urlopen urllib2 Request url        versions   data  quot releases quot   keys       versions sort key StrictVersion      return versions  print  quot  n quot  join versions  quot scikit-image quot     That code prints  as of Feb 23rd  2015   0 7 2 0 8 0 0 8 1 0 8 2 0 9 0 0 9 1 0 9 2 0 9 3 0 10 0 0 10 1

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My take is a combination of a couple of posted answers  with some modifications to make them easier to use from within a running python environment   The idea is to provide a entirely new command  modeled after the install command  that gives you an instance of the package finder to use  The upside is that it works with  and uses  any indexes that pip supports and reads your local pip configuration files  so you get the correct results as you would with a normal pip install   I ve made an attempt at making it compatible with both pip v 9 x and 10 x   but only tried it on 9 x  https   gist github com kaos 68511bd013fcdebe766c981f50b473d4     usr bin env python   When you want a easy way to get at all  or the latest  version of a certain python package from a PyPi index   import sys import logging  try      from pip  internal import cmdoptions  main     from pip  internal commands import commands dict     from pip  internal basecommand import RequirementCommand except ImportError      from pip import cmdoptions  main     from pip commands import commands dict     from pip basecommand import RequirementCommand  from pip  vendor packaging version import parse as parse version  logger   logging getLogger  pip    class ListPkgVersionsCommand RequirementCommand               List all available versions for a given package from       - PyPI  and other indexes  using requirement specifiers      - VCS project urls      - Local project directories      - Local or remote source archives               name    list-pkg-versions      usage              prog  options   lt requirement specifier gt   package-index-options             prog  options   -e   lt vcs project url gt             prog  options   -e   lt local project path gt             prog  options   lt archive url path gt              summary    List package versions        def   init   self   args    kw           super ListPkgVersionsCommand  self    init    args    kw           cmd opts   self cmd opts          cmd opts add option cmdoptions install options            cmd opts add option cmdoptions global options            cmd opts add option cmdoptions use wheel            cmd opts add option cmdoptions no use wheel            cmd opts add option cmdoptions no binary            cmd opts add option cmdoptions only binary            cmd opts add option cmdoptions pre            cmd opts add option cmdoptions require hashes             index opts   cmdoptions make option group              cmdoptions index group              self parser                     self parser insert option group 0  index opts          self parser insert option group 0  cmd opts       def run self  options  args           cmdoptions resolve wheel no use binary options          cmdoptions check install build global options           with self  build session options  as session              finder   self  build package finder options  session                 do what you please with the finder object here                   for pkg in args                  logger info                        s   s   pkg                           join                          sorted                              set str c version  for c in finder find all candidates pkg                                key parse version                                                                      commands dict ListPkgVersionsCommand name    ListPkgVersionsCommand  if   name         main         sys exit main      Example output    list-pkg-versions py list-pkg-versions pika django   pika  0 5  0 5 1  0 5 2  0 9 1a0  0 9 2a0  0 9 3  0 9 4  0 9 5  0 9 6  0 9 7  0 9 8  0 9 9  0 9 10  0 9 11  0 9 12  0 9 13  0 9 14  0 10 0b1  0 10 0b2  0 10 0  0 11 0b1  0 11 0  0 11 1  0 11 2  0 12 0b2 django  1 1 3  1 1 4  1 2  1 2 1  1 2 2  1 2 3  1 2 4  1 2 5  1 2 6  1 2 7  1 3  1 3 1  1 3 2  1 3 3  1 3 4  1 3 5  1 3 6  1 3 7  1 4  1 4 1  1 4 2  1 4 3  1 4 4  1 4 5  1 4 6  1 4 7  1 4 8  1 4 9  1 4 10  1 4 11  1 4 12  1 4 13  1 4 14  1 4 15  1 4 16  1 4 17  1 4 18  1 4 19  1 4 20  1 4 21  1 4 22  1 5  1 5 1  1 5 2  1 5 3  1 5 4  1 5 5  1 5 6  1 5 7  1 5 8  1 5 9  1 5 10  1 5 11  1 5 12  1 6  1 6 1  1 6 2  1 6 3  1 6 4  1 6 5  1 6 6  1 6 7  1 6 8  1 6 9  1 6 10  1 6 11  1 7  1 7 1  1 7 2  1 7 3  1 7 4  1 7 5  1 7 6  1 7 7  1 7 8  1 7 9  1 7 10  1 7 11  1 8a1  1 8b1  1 8b2  1 8rc1  1 8  1 8 1  1 8 2  1 8 3  1 8 4  1 8 5  1 8 6  1 8 7  1 8 8  1 8 9  1 8 10  1 8 11  1 8 12  1 8 13  1 8 14  1 8 15  1 8 16  1 8 17  1 8 18  1 8 19  1 9a1  1 9b1  1 9rc1  1 9rc2  1 9  1 9 1  1 9 2  1 9 3  1 9 4  1 9 5  1 9 6  1 9 7  1 9 8  1 9 9  1 9 10  1 9 11  1 9 12  1 9 13  1 10a1  1 10b1  1 10rc1  1 10  1 10 1  1 10 2  1 10 3  1 10 4  1 10 5  1 10 6  1 10 7  1 10 8  1 11a1  1 11b1  1 11rc1  1 11  1 11 1  1 11 2  1 11 3  1 11 4  1 11 5  1 11 6  1 11 7  1 11 8  1 11 9  1 11 10  1 11 11  1 11 12  2 0  2 0 1  2 0 2  2 0 3  2 0 4

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I didn t have any luck with yolk  yolk3k or pip install -v but so I ended up using this  adapted to Python 3 from eric chiang s answer    import json import requests from distutils version import StrictVersion  def versions package name       url    https   pypi python org pypi    json  format package name      data   requests get url  json       return sorted list data  releases   keys     key StrictVersion  reverse True    gt  gt  gt  print   n  join versions  gunicorn     19 1 1 19 1 0 19 0 0 18 0 17 5 0 17 4 0 17 3

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Update  As of Sep 2017 this method no longer works  --no-install was removed in pip 7  Use pip install -v  you can see all versions that available  root node7    pip install web py -v Downloading unpacking web py   Using version 0 37  newest of versions  0 37  0 36  0 35  0 34  0 33  0 33  0 32  0 31  0 22  0 2    Downloading web py-0 37 tar gz  90Kb   90Kb downloaded   Running setup py egg info for package web py     running egg info     creating pip-egg-info web py egg-info   To not install any package  use one of following solution   root node7    pip install --no-deps --no-install flask -v                                                                                                       Downloading unpacking flask   Using version 0 10 1  newest of versions  0 10 1  0 10  0 9  0 8 1  0 8  0 7 2  0 7 1  0 7  0 6 1  0 6  0 5 2  0 5 1  0 5  0 4  0 3 1  0 3  0 2  0 1    Downloading Flask-0 10 1 tar gz  544Kb   544Kb downloaded   or   root node7    cd   mktemp -d  root node7  tmp tmp c6H99cWD0g  pip install flask -d   -v Downloading unpacking flask   Using version 0 10 1  newest of versions  0 10 1  0 10  0 9  0 8 1  0 8  0 7 2  0 7 1  0 7  0 6 1  0 6  0 5 2  0 5 1  0 5  0 4  0 3 1  0 3  0 2  0 1    Downloading Flask-0 10 1 tar gz  544Kb   4 1Kb downloaded   Tested with pip 1 0  root node7    pip --version pip 1 0 from  usr lib python2 7 dist-packages  python 2 7

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Alternative solution is to use the Warehouse APIs   https   warehouse readthedocs io api-reference json  release  For instance for Flask   import requests r   requests get  https   pypi org pypi Flask json   print r json    releases   keys      will print   dict keys   0 1    0 10    0 10 1    0 11    0 11 1    0 12    0 12 1    0 12 2    0 12 3    0 12 4    0 2    0 3    0 3 1    0 4    0 5    0 5 1    0 5 2    0 6    0 6 1    0 7    0 7 1    0 7 2    0 8    0 8 1    0 9    1 0    1 0 1    1 0 2

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After looking at pip s code for a while  it looks like the code responsible for locating packages can be found in the PackageFinder class in pip index  Its method find requirement looks up the versions of a InstallRequirement  but unfortunately only returns the most recent version    The code below is almost a 1 1 copy of the original function  with the return in line 114 changed to return all versions   The script expects one package name as first and only argument and returns all versions   http   pastebin com axzdUQhZ  I can t guarantee for the correctness  as I m not familiar with pip s code  But hopefully this helps   Sample output  python test py pip   Versions of pip 0 8 2 0 8 1 0 8 0 7 2 0 7 1 0 7 0 6 3 0 6 2 0 6 1 0 6 0 5 1 0 5 0 4 0 3 1 0 3 0 2 1 0 2 dev   The code   import posixpath import pkg resources import sys from pip download import url to path from pip exceptions import DistributionNotFound from pip index import PackageFinder  Link from pip log import logger from pip req import InstallRequirement from pip util import Inf   class MyPackageFinder PackageFinder        def find requirement self  req  upgrade           url name   req url name           Only check main index if index URL is given          main index url   None         if self index urls                Check that we have the url name correctly spelled              main index url   Link posixpath join self index urls 0   url name                 This will also cache the page  so it s okay that we get it again later              page   self  get page main index url  req              if page is None                  url name   self  find url name Link self index urls 0    url name  req  or req url name            Combine index URLs with mirror URLs here to allow           adding more index URLs from requirements files         all index urls   self index urls   self mirror urls          def mkurl pypi url url               loc   posixpath join url  url name                For maximum compatibility with easy install  ensure the path               ends in a trailing slash   Although this isn t in the spec                and PyPI can handle it without the slash  some other index               implementations might break if they relied on easy install s behavior              if not loc endswith                       loc   loc                   return loc         if url name is not None              locations                     mkurl pypi url url                  for url in all index urls    self find links         else              locations   list self find links          locations extend self dependency links          for version in req absolute versions              if url name is not None and main index url is not None                  locations                         posixpath join main index url url  version     locations          file locations  url locations   self  sort locations locations           locations    Link url  for url in url locations          logger debug  URLs to search for versions for  s     req          for location in locations              logger debug     s    location          found versions              found versions extend              self  package versions                   Link url   -f   for url in self find links   req name lower             page versions              for page in self  get pages locations  req               logger debug  Analyzing links from page  s    page url              logger indent    2             try                  page versions extend self  package versions page links  req name lower                 finally                  logger indent -  2         dependency versions   list self  package versions               Link url  for url in self dependency links   req name lower             if dependency versions              logger info  dependency links found   s         join  link url for parsed  link  version in dependency versions            file versions   list self  package versions                   Link url  for url in file locations   req name lower             if not found versions and not page versions and not dependency versions and not file versions              logger fatal  Could not find any downloads that satisfy the requirement  s    req              raise DistributionNotFound  No distributions at all found for  s    req          if req satisfied by is not None              found versions append  req satisfied by parsed version  Inf  req satisfied by version           if file versions              file versions sort reverse True              logger info  Local files found   s         join  url to path link url  for parsed  link  version in file versions                found versions   file versions   found versions         all versions   found versions   page versions   dependency versions         applicable versions              for  parsed version  link  version  in all versions              if version not in req req                  logger info  Ignoring link  s  version  s doesn t match  s                                 link  version      join     join s  for s in req req specs                     continue             applicable versions append  link  version           applicable versions   sorted applicable versions  key lambda v  pkg resources parse version v 1    reverse True          existing applicable   bool  link for link  version in applicable versions if link is Inf           if not upgrade and existing applicable              if applicable versions 0  1  is Inf                  logger info  Existing installed version   s  is most up-to-date and satisfies requirement                                req satisfied by version              else                  logger info  Existing installed version   s  satisfies requirement  most up-to-date version is  s                                  req satisfied by version  applicable versions 0  1                return None         if not applicable versions              logger fatal  Could not find a version that satisfies the requirement  s  from versions   s                               req       join  version for parsed version  link  version in found versions                 raise DistributionNotFound  No distributions matching the version for  s    req          if applicable versions 0  0  is Inf                We have an existing version  and its the best version             logger info  Installed version   s  is most up-to-date  past versions   s                              req satisfied by version       join  version for link  version in applicable versions 1     or  none                return None         if len applicable versions   gt  1              logger info  Using version  s  newest of versions   s                              applicable versions 0  1        join  version for link  version in applicable versions             return applicable versions   if   name         main         req   InstallRequirement from line sys argv 1   None      finder   MyPackageFinder       http   pypi python org simple         versions   finder find requirement req  False      print  Versions of  s    sys argv 1      for v in versions          print v 1

User · Answer

Works with recent pip versions  no extra tools necessary  pip install pylibmc   -v 2 gt  dev null   awk   Found link   print  NF     uniq

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For pip  gt   20 3 use  pip install --use-deprecated legacy-resolver pylibmc    For updates see  https   github com pypa pip issues 9139 For pip  gt   9 0 use    pip install pylibmc   Collecting pylibmc     Could not find a version that satisfies the requirement pylibmc    from    versions  0 2  0 3  0 4  0 5 1  0 5 2  0 5 3  0 5 4  0 5 5  0 5  0 6 1  0 6     0 7 1  0 7 2  0 7 3  0 7 4  0 7  0 8 1  0 8 2  0 8  0 9 1  0 9 2  0 9     1 0-alpha  1 0-beta  1 0  1 1 1  1 1  1 2 0  1 2 1  1 2 2  1 2 3  1 3 0  No matching distribution found for pylibmc        all the available versions will be printed without actually downloading or installing any additional packages  For pip  lt  9 0 use  pip install pylibmc  blork  where blork can be any string that is not a valid version number

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Simple bash script that relies only on python itself  I assume that in the context of the question it should be installed  and one of curl or wget  It has an assumption that you have setuptools package installed to sort versions  almost always installed   It doesn t rely on external dependencies such as    jq which may not be present  grep and awk that may behave differently on Linux and macOS    curl --silent --location https   pypi org pypi requests json   python -c  import sys  json  pkg resources  releases   json load sys stdin   releases    print     join sorted releases  key pkg resources parse version       A little bit longer version with comments   Put the package name into a variable   PACKAGE requests   Get versions  using curl    VERSIONS   curl --silent --location https   pypi org pypi  PACKAGE json   python -c  import sys  json  pkg resources  releases   json load sys stdin   releases    print     join sorted releases  key pkg resources parse version        Get versions  using wget    VERSIONS   wget -qO- https   pypi org pypi  PACKAGE json   python -c  import sys  json  pkg resources  releases   json load sys stdin   releases    print     join sorted releases  key pkg resources parse version        Print sorted versions   echo  VERSIONS

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https   pypi python org pypi Django  - works for packages whose maintainers choose to show all packages https   pypi python org simple pip  - should do the trick anyhow  lists all links

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This is Py3 9  version of Limmy EricChiang  s solution  import json import urllib request from distutils version import StrictVersion     print PyPI versions of package def versions package name       url    quot https   pypi org pypi  s json quot     package name       data   json load urllib request urlopen url       versions   list data  quot releases quot        sortfunc   lambda x  StrictVersion x replace  rc    b   translate str maketrans  cdefghijklmn    bbbbbbbbbbbb         versions sort key sortfunc      return versions

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My project luddite has this feature   Example usage    gt  gt  gt  import luddite  gt  gt  gt  luddite get versions pypi  python-dateutil     0 1    0 3    0 4    0 5    1 0    1 1    1 2    1 4    1 4 1    1 5    2 0    2 1    2 2    2 3    2 4 0    2 4 1    2 4 2    2 5 0    2 5 1    2 5 2    2 5 3    2 6 0    2 6 1    2 7 0    2 7 1    2 7 2    2 7 3    2 7 4    2 7 5    2 8 0     It lists all versions of a package available  by querying the json API of https   pypi org

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You could the yolk3k package instead of yolk  yolk3k is a fork from the original yolk and it supports both python2 and 3   https   github com myint yolk  pip install yolk3k

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You can use this small Python 3 script  using only standard library modules  to grab the list of available versions for a package from PyPI using JSON API and print them in reverse chronological order  Unlike some other Python solutions posted here  this doesn t break on loose versions like django s 2 2rc1 or uwsgi s 2 0 17 1      usr bin env python3  import json import sys from urllib import request     from pkg resources import parse version      def versions pkg name       url   f https   pypi python org pypi  pkg name  json      releases   json loads request urlopen url  read     releases       return sorted releases  key parse version  reverse True       if   name         main         print  versions sys argv 1    sep   n     Save the script and run it with the package name as an argument  e g    python versions py django   3 0a1 2 2 5 2 2 4 2 2 3 2 2 2 2 2 1 2 2 2 2rc1

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I came up with dead-simple bash script  Thanks to jq s author     bin bash set -e  PACKAGE JSON URL  quot https   pypi org pypi   1  json quot   curl -L -s  quot  PACKAGE JSON URL quot    jq  -r   releases   keys          sort -V   Update   Add sorting by version number  Add -L to follow redirects

[python] Python and pip, list all versions of a package that's available?

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