the `more-itertools project <https://pypi.org/project/more-itertools/>`_ found
on the Python Package Index::
- pip install more-itertools
+ python -m pip install more-itertools
The extended tools offer the same high performance as the underlying toolset.
The superior memory performance is kept by processing elements one at a time
If you re-run this command, ``pip`` will notice that the requested
version is already installed and do nothing. You can supply a
-different version number to get that version, or you can run ``pip
-install --upgrade`` to upgrade the package to the latest version:
+different version number to get that version, or you can run ``python
+-m pip install --upgrade`` to upgrade the package to the latest version:
.. code-block:: bash
Successfully uninstalled requests-2.6.0
Successfully installed requests-2.7.0
-``pip uninstall`` followed by one or more package names will remove the
-packages from the virtual environment.
+``python -m pip uninstall`` followed by one or more package names will
+remove the packages from the virtual environment.
-``pip show`` will display information about a particular package:
+``python -m pip show`` will display information about a particular package:
.. code-block:: bash
- (tutorial-env) $ pip show requests
+ (tutorial-env) $ python -m pip show requests
---
Metadata-Version: 2.0
Name: requests
Location: /Users/akuchling/envs/tutorial-env/lib/python3.4/site-packages
Requires:
-``pip list`` will display all of the packages installed in the virtual
-environment:
+``python -m pip list`` will display all of the packages installed in
+the virtual environment:
.. code-block:: bash
- (tutorial-env) $ pip list
+ (tutorial-env) $ python -m pip list
novas (3.1.1.3)
numpy (1.9.2)
pip (7.0.3)
requests (2.7.0)
setuptools (16.0)
-``pip freeze`` will produce a similar list of the installed packages,
-but the output uses the format that ``pip install`` expects.
+``python -m pip freeze`` will produce a similar list of the installed packages,
+but the output uses the format that ``python -m pip install`` expects.
A common convention is to put this list in a ``requirements.txt`` file:
.. code-block:: bash
- (tutorial-env) $ pip freeze > requirements.txt
+ (tutorial-env) $ python -m pip freeze > requirements.txt
(tutorial-env) $ cat requirements.txt
novas==3.1.1.3
numpy==1.9.2