Due to problems with ensuring correct dependencies, the recommended method for obtaining PIEFACE for Windows is to download the most recent self-contained installer WinSetupPIEFACE1.1.0.0.exe and run it, following the on-screen prompts. Installing Packages¶. This section covers the basics of how to install Python packages. It’s important to note that the term “package” in this context is being used as a synonym for a distribution (i.e. A bundle of software to be installed), not to refer to the kind of package that you import in your Python source code (i.e. A container of modules).
On Unix, pip install --user .. drops scripts into ~/.local/bin. Historically, this directory has not been on the default Debian/Ubuntu $PATH.
This is hopefully on its way to being fixed (bash 4.3-15 is on its way into Debian unstable now, and should hopefully land in Debian testing in a few weeks, bug report here; the Ubuntu bug that will hopefully be used to justify a backport of this fix into Xenial is here). But, even once the fix lands, all it will do is change the default for newly created accounts -- so for a long time, there are going to be people who try running pip install --user and end up with it dropping executables into a directory that's not on $PATH.
When pip install --user installs a script into ~/.local/bin (or the equivalent on other OSes, why not), then it should check the current os.environ['PATH'], and if this directory is not on the PATH, then it should print an explanatory message that warns the user and gives them some information on how to fix the problem.
(Or heck, it could even suggest they run pip fix-user-path to have pip automatically add tihs to their ~/.profile -- it's a little wonky but not too hard to make reasonably robust, and if it's a manual action that tells the user what it's doing as it runs then it should be reasonable helpful.)
(This would be a reasonable first fix for someone new to pip -- does pip's issue tracker have a tag for those?)
I've installed python using homebrew and I can't invoke pip from the bash. I've tried amending my .bash_profile to include /usr/local/bin/python and /usr local/share/python to no avail.
When I use the bash command:
The only results I get are:
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None of which are an executable.
I don't really know where to point my $PATH as I can't find the pip executable. When I open
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I find the following files:
None of which are an executable.
I would appreciate the help of anyone with more experience than me.
Edit: I tried the steps suggested by Marco:
Here are the results to the steps:
echo $PATH shows a few directories:/usr/local/bin:/usr/local/mysql/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/texbin:/opt/X11/bin:/usr/local/mysql/bin
which -a python returns:/usr/local/bin/python/usr/local/bin/python
nothing is returned for which -a pip
- which python returns:/usr/local/bin/python
nothing is returned for which pip
- ls -l $(which python) returns a single directory:lrwxr-xr-x 1 Ivan admin 33 17 May 08:59 /usr/local/bin/python -> ./Cellar/python/2.7.9/bin/python
ls -l $(which pip) returns several, including the python files that I showed in my original post
4 Answers
Generally, homebrew will install a formula into /usr/local/Cellar/formula and then place a link at /usr/local/bin/formula.
To make use of your installed formulae, make sure /usr/local/bin is in your $PATH. Show your $PATH by typing
If /usr/local/bin is not in your $PATH, put this line at the end of your ~/.profile file.
Now, check what pythons are found on your OSX by typing:
There should be one python found at /usr/bin/ (the Apple python) and one at /usr/local/bin/ which is the Homebrew python.
will show you, which python is found first in your $PATHand will be executed when you invoke python.
If you want to know, where the executable is, show it by typing
This could look like this: lrwxr-xr-x 1 root wheel 68 7 Mai 13:22 python -> /usr/local/bin/python
This will work for pip as well.
If you show the results of this steps, we can probably help you much easier.
-- UPDATE --
You have /usr/local/bin/python linked to /usr/local/Cellar/python/2.7.9/bin/python. ->brew install python worked.
show, if pip is installed by typing
You should see
If not, check, if there are links, which are not done with brew install. Told you something like this:
To force the link and overwrite all conflicting files:
To list all files that would be deleted:
** NO standard Apple /usr/bin/python **
link from /usr/local/Cellar/python/2.7.9/bin/python to /usr/bin/python
This is necessary for all python scripts beginning with #!/usr/bin/python. Especialy easy_install will fail, if link is not there.
Now, you are able to run
Hope, you're making progress
If brew is managing your python install and pip is no longer symlinked (i.e. you type 'which pip' and get no results) try this from your home directory:
Not sure if the old method works any more (it didn't on my machine).
Now confirm it does indeed point to your 2.7 installation with pip --version (it will list the python major version in the directory output).
Not really an answer to the original question, but if anyone ends up here because their Homebrew-installed python/pip are no longer working (i.e. python points to the system python and pip is not found) then the reason might be a recent (summer 2017) change in the way Homebrew installs and links python.
The solution is to add the following to ~/.bash_profile and/or ~/.zshrc:
export PATH='$(brew --prefix)/opt/python/libexec/bin:$PATH'
This will make python point to the brew version of python and also give you pip. See the caveats section under brew info python and https://github.com/Homebrew/homebrew-core/issues/15746 for more information
By default Homebrew provides pip via: brew install python. However you will then have two Pythons installed on your Mac, you can alternatively install it via:
To verify which files are installed with your Python package, try:
which should consist pip.
Mac tools ac machine 34288 users manual 2017. After installation you should symlink your formula's installed files by:
which should create the right symbolic links (such as /usr/local/bin/pip pointing to your Cellar/python/2.?.?/bin/pip)
If you've permission issue, you may fix it by:
and make sure your user is in admin group (id -Gn $USER).
After fixing the permissions, do not use sudo when using brew command.
Then re-link it again:
Does Manual Install Of Pip Work On Mac Download
To test dry-run, unlink and run: brew link -n python to see links of files which brew would link.
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After linking is successful, make sure that your PATH system variable have /usr/local, if not, add:
to your ~/.bashrc file.
If successful, your pip should work now.
Does Manual Install Of Pip Work On Mac Computer
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