python 2 7 cannot pip on windows bash pip command not found

Question

I am trying to install the SciPy stack located at https   scipy org stackspec html  I am only allowed 2 links  trying to use them wisely    I realize that there are much easier ways to do this  but I think there is a lot to be learned by doing it manually   I am relatively new to a lot of this stuff  so I apologize if I sound ignorant at any point     I am running  Windows 7 Enterprise - 64 bit   Here is what I have done so far    Installed python-2 7 8 msi  32-bit  from https   www python org download releases 2 7 8  Installed numpy-1 8 1-win32-superpack-python2 7 from     http   sourceforge net projects numpy files      Test  import numpy as np ---  no errors Installed scipy library  scipy-0 14 0-win32-superpack-python2 7 exe from       SCIPY DOT ORG LINK REMOVED      Test  import scipy as sp ---  no errors Installed matplotlib  matplotlib-1 3 1 win32-py2 7 exe from      MATPLOTLIB DOT ORG LINK REMOVED  Installed PIP by running script here      https   raw githubusercontent com pypa pip master contrib get-pip py     I just copied-pasted script to a new file in IDLE      saved as C  Python27 Scripts pip install py and clicked Run gt module  No errors reported     Does the path on which I saved     pip install py matter     6  HERE IS WHERE I FAIL  Attempted to install matlibplot dependency dateutil  Opened a         Cygwin Shell  and typed          cd C  Python27            is it necessary to cd to python directtory          pip install python-dateutil   This results in the error       bash  pip  command not found   I get the same error attempting from cmd    Any help  is appreciated  the closest I found was bash  pip  command not found   But the OSX nature of it is just enough to confise me further     UPADTE   I added the pip-path per Paul H s suggestion below   It made the error go away  but strangely  nothing I pip actually installs  For example  in Cygwin  I type   cbennett2 gt  pip install python-dateutil cbennett2 gt                                You can see that there is no output or feedback from the shell  which I think there should be    Then when I go to a new python shell    gt  gt  gt  from dateutil parser import parse Traceback  most recent call last     File   lt pyshell 12 gt    line 1  in  lt module gt      from dateutil parser import parse ImportError  No module named dateutil parser  gt  gt  gt  gt    This happens with all of the modules that I thought I had pip d     pandas  tornado  etc

User · Answer

I had a similar problem running SciPy on my computer. There are two ways to fix this problem: 1. Yes you do need to cd into your python directory. 2. Sometimes you have to tell the computer explicitly what path to go through, you have to find the program you're using, open up the properties, and reroute the path it takes to run. 3. consult the manual: http://matplotlib.org/users/installing.html or http://www.scipy.org/install.html

the Scipy package is very finicky, and needs things spelled out in obnoxious detail.

User · Answer

The problem is that your Python version and the library you want to use are not same versionally  Python   Even if you install Python s latest version  your PATH might not change properly and automatically  Thus  you should change it manually After matching their version  it will work   Ex  When I tried to install Django3  I got same error  I noticed that my PATH still seems C  python27 Scripts though I already install Python3 8  so that I manually edited my PATH C  python38 Scripts and reinstalled pip install Django and everything worked well

User · Answer

press  win    Pause Advanced settings System variables Append  C  python27 Scripts to the end of Path variable Restart console

User · Answer

On windows 7  you have to use this command  python -m pip install xxx  All above don t work for me

User · Answer

I found this much simpler  Simply type this into the terminal    PATH  PATH C   pythondir  scripts

User · Answer

If this is for Cygwin  it installs  pip  as  pip2   Just create a softlink to  pip2  in the same location where  pip2  is installed

User · Answer

As long as pip lives within the scripts folder you can run   python -m pip        This will tell python to get pip from inside the scripts folder  This is also a good way to have both python2 7 and pyhton3 5 on you computer and have them in different locations  I currently have both python2 and pyhton3 installed on windows  When I type python it defaults to python2  But if I type python3 I can use python3   I also had to change the python exe file for python3 to  python3 exe  If I need to install flask for python 2 I can run  python -m pip install flask  and it will be installed in the pyhton2 folder  but if I need flask for python 3 I run   python3 -m pip install flask  and I now have it in the python3 folder

User · Answer

On Windows  pip lives in C   pythondir  scripts   So you ll need to add that to your system path in order to run it from the command prompt  You could alternatively cd into that directory each time  but that s a hassle   See the top answer here for info on how to do that  Adding Python Path on Windows 7  Also  that is a terrifying way to install pip  Grab it from Christophe Gohlke  Grab everything else from there for that matter  http   www lfd uci edu  gohlke pythonlibs

[python] python 2.7: cannot pip on windows "bash: pip: command not found"

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