Записки программиста, обо всем и ни о чем. Но, наверное, больше профессионального.

2013-10-15

pip & virtualenv

Courage is resistance to fear, mastery of fear—not absence
of fear. Except a creature be part coward, it is not a
compliment to say it is brave; it is merely a loose
misapplication of the word. Consider the flea!—incomparably
the bravest of all the creatures of God, if ignorance of
fear were courage. Whether you are asleep or awake he will
attack you, caring nothing for the fact that in bulk and
strength you are to him as are the massed armies of the
earth to a sucking child; he lives both day and night and
all days and nights in the very lap of peril and the
immediate presence of death, and yet is no more afraid than
is the man who walks the streets of a city that was
threatened by an earthquake ten centuries before. When we
speak of Clive, Nelson, and Putnam as men who "didn't know
what fear was," we ought always to add the flea—and put him
at the head of the procession.
Pudd'nhead Wilson's Calendar

Незаменимые инструменты любого приличного питониста — pip и virtualenv. Краткая информация для входа в тему:

pip is a tool for installing packages from the Python Package Index.
virtualenv is a tool for creating isolated Python environments containing their own copy of python, pip, and their own place to keep libraries installed from PyPI.
It's designed to allow you to work on multiple projects with different dependencies at the same time on the same machine.
You can see instructions for installing it at virtualenv.org.
After installing it, run virtualenv env to create a new environment inside a directory called env.
You'll need one of these environments for each of your projects. Make sure you exclude these directories from your version control system.
To use the versions of python and pip inside the environment, type env/bin/python and env/bin/pip respectively.
You can "activate" an environment with source env/bin/activate and deactivate one with deactivate. This is entirely optional but might make life a little easier.


Статья объясняет – что это, зачем это и какие проблемы это решает.


original post http://vasnake.blogspot.com/2013/09/pip-virtualenv.html

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