Merge pull request #141 from Zearin/docs

Updated README.md; Commands moved to COMMANDS.md.
This commit is contained in:
Yamashita, Yuu 2014-03-22 15:58:31 +09:00
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# Command Reference
Like `git`, the `pyenv` command delegates to subcommands based on its
first argument.
The most common subcommands are:
* [`pyenv commands`](#pyenv-commands)
* [`pyenv local`](#pyenv-local)
* [`pyenv global`](#pyenv-global)
* [`pyenv shell`](#pyenv-shell)
* [`pyenv install`](#pyenv-install)
* [`pyenv uninstall`](#pyenv-uninstall)
* [`pyenv rehash`](#pyenv-rehash)
* [`pyenv version`](#pyenv-version)
* [`pyenv versions`](#pyenv-versions)
* [`pyenv which`](#pyenv-which)
* [`pyenv whence`](#pyenv-whence)
## `pyenv commands`
Lists all available pyenv commands.
## `pyenv local`
Sets a local application-specific Python version by writing the version
name to a `.python-version` file in the current directory. This version
overrides the global version, and can be overridden itself by setting
the `PYENV_VERSION` environment variable or with the `pyenv shell`
command.
$ pyenv local 2.7.6
When run without a version number, `pyenv local` reports the currently
configured local version. You can also unset the local version:
$ pyenv local --unset
Previous versions of pyenv stored local version specifications in a
file named `.pyenv-version`. For backwards compatibility, pyenv will
read a local version specified in an `.pyenv-version` file, but a
`.python-version` file in the same directory will take precedence.
### `pyenv local` (advanced)
You can specify multiple versions as local Python at once.
Let's say if you have two versions of 2.7.6 and 3.3.3. If you prefer 2.7.6 over 3.3.3,
$ pyenv local 2.7.6 3.3.3
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/path/to/project/.python-version)
* 3.3.3 (set by /Users/yyuu/path/to/project/.python-version)
$ python --version
Python 2.7.6
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
or, if you prefer 3.3.3 over 2.7.6,
$ pyenv local 3.3.3 2.7.6
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/path/to/project/.python-version)
* 3.3.3 (set by /Users/yyuu/path/to/project/.python-version)
venv27
$ python --version
Python 3.3.3
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
## `pyenv global`
Sets the global version of Python to be used in all shells by writing
the version name to the `~/.pyenv/version` file. This version can be
overridden by an application-specific `.python-version` file, or by
setting the `PYENV_VERSION` environment variable.
$ pyenv global 2.7.6
The special version name `system` tells pyenv to use the system Python
(detected by searching your `$PATH`).
When run without a version number, `pyenv global` reports the
currently configured global version.
### `pyenv global` (advanced)
You can specify multiple versions as global Python at once.
Let's say if you have two versions of 2.7.6 and 3.3.3. If you prefer 2.7.6 over 3.3.3,
$ pyenv global 2.7.6 3.3.3
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/.pyenv/version)
* 3.3.3 (set by /Users/yyuu/.pyenv/version)
$ python --version
Python 2.7.6
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
or, if you prefer 3.3.3 over 2.7.6,
$ pyenv global 3.3.3 2.7.6
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/.pyenv/version)
* 3.3.3 (set by /Users/yyuu/.pyenv/version)
venv27
$ python --version
Python 3.3.3
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
## `pyenv shell`
Sets a shell-specific Python version by setting the `PYENV_VERSION`
environment variable in your shell. This version overrides
application-specific versions and the global version.
$ pyenv shell pypy-2.2.1
When run without a version number, `pyenv shell` reports the current
value of `PYENV_VERSION`. You can also unset the shell version:
$ pyenv shell --unset
Note that you'll need pyenv's shell integration enabled (step 3 of
the installation instructions) in order to use this command. If you
prefer not to use shell integration, you may simply set the
`PYENV_VERSION` variable yourself:
$ export PYENV_VERSION=pypy-2.2.1
### `pyenv shell` (advanced)
You can specify multiple versions via `PYENV_VERSION` at once.
Let's say if you have two versions of 2.7.6 and 3.3.3. If you prefer 2.7.6 over 3.3.3,
$ pyenv shell 2.7.6 3.3.3
$ pyenv versions
system
* 2.7.6 (set by PYENV_VERSION environment variable)
* 3.3.3 (set by PYENV_VERSION environment variable)
$ python --version
Python 2.7.6
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
or, if you prefer 3.3.3 over 2.7.6,
$ pyenv shell 3.3.3 2.7.6
$ pyenv versions
system
* 2.7.6 (set by PYENV_VERSION environment variable)
* 3.3.3 (set by PYENV_VERSION environment variable)
venv27
$ python --version
Python 3.3.3
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
## `pyenv install`
Install a Python version (using `python-build`).
Usage: pyenv install [-f] [-kvp] <version>
pyenv install [-f] [-kvp] <definition-file>
pyenv install -l|--list
-l/--list List all available versions
-f/--force Install even if the version appears to be installed already
python-build options:
-k/--keep Keep source tree in $PYENV_BUILD_ROOT after installation
(defaults to $PYENV_ROOT/sources)
-v/--verbose Verbose mode: print compilation status to stdout
-p/--patch Apply a patch from stdin before building
-g/--debug Build a debug version
## `pyenv uninstall`
Uninstall a specific Python version.
Usage: pyenv uninstall [-f|--force] <version>
-f Attempt to remove the specified version without prompting
for confirmation. If the version does not exist, do not
display an error message.
## `pyenv rehash`
Installs shims for all Python binaries known to pyenv (i.e.,
`~/.pyenv/versions/*/bin/*`). Run this command after you install a new
version of Python, or install a package that provides binaries.
$ pyenv rehash
## `pyenv version`
Displays the currently active Python version, along with information on
how it was set.
$ pyenv version
2.7.6 (set by /home/yyuu/.pyenv/version)
## `pyenv versions`
Lists all Python versions known to pyenv, and shows an asterisk next to
the currently active version.
$ pyenv versions
2.5.6
2.6.8
* 2.7.6 (set by /home/yyuu/.pyenv/version)
3.3.3
jython-2.5.3
pypy-2.2.1
## `pyenv which`
Displays the full path to the executable that pyenv will invoke when
you run the given command.
$ pyenv which python3.3
/home/yyuu/.pyenv/versions/3.3.3/bin/python3.3
## `pyenv whence`
Lists all Python versions with the given command installed.
$ pyenv whence 2to3
2.6.8
2.7.6
3.3.3
## `pyenv install`
Part of [Python-build](https://github.com/yyuu/pyenv/tree/master/plugins/python-build), this installs versions of python
$ pyenv install 2.7.6
$ pyenv install 2.6.8
$ pyenv versions
system
2.6.8
* 2.7.6 (set by /home/yyuu/.pyenv/version)
## `pyenv install --list`
List available remote versions of Python, including Anaconda, Jython, pypy, and stackless
$ pyenv install --list

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@ -33,33 +33,31 @@ This project was forked from [rbenv](https://github.com/sstephenson/rbenv) and
to automate the process.
----
## Table of Contents
* [How It Works](#how-it-works)
* **[How It Works](#how-it-works)**
* [Understanding PATH](#understanding-path)
* [Understanding Shims](#understanding-shims)
* [Choosing the Python Version](#choosing-the-python-version)
* [Locating the Python Installation](#locating-the-python-installation)
* [Installation](#installation)
* **[Installation](#installation)**
* [Basic GitHub Checkout](#basic-github-checkout)
* [Upgrading](#upgrading)
* [Homebrew on Mac OS X](#homebrew-on-mac-os-x)
* [Neckbeard Configuration](#neckbeard-configuration)
* [Uninstalling Python Versions](#uninstalling-python-versions)
* [Command Reference](#command-reference)
* [pyenv local](#pyenv-local)
* [pyenv global](#pyenv-global)
* [pyenv shell](#pyenv-shell)
* [pyenv versions](#pyenv-versions)
* [pyenv version](#pyenv-version)
* [pyenv rehash](#pyenv-rehash)
* [pyenv which](#pyenv-which)
* [pyenv whence](#pyenv-whence)
* [Development](#development)
* **[Command Reference](#command-reference)**
* **[Development](#development)**
* [Version History](#version-history)
* [License](#license)
----
## How It Works
At a high level, pyenv intercepts Python commands using shim
@ -148,10 +146,12 @@ As far as pyenv is concerned, version names are simply the directories in
`~/.pyenv/versions`.
----
## Installation
If you're on Mac OS X, consider
[installing with Homebrew](#homebrew-on-mac-os-x).
If you're on Mac OS X, consider [installing with Homebrew](#homebrew-on-mac-os-x).
### The automatic installer
@ -165,16 +165,16 @@ https://github.com/yyuu/pyenv-installer
This will get you going with the latest version of pyenv and make it
easy to fork and contribute any changes back upstream.
1. **Check out pyenv where you want it installed.** A good place to choose is
`$HOME/.pyenv` but you may install it somewhere else.
1. **Check out pyenv where you want it installed.**
A good place to choose is `$HOME/.pyenv` (but you can install it somewhere else).
$ cd
$ git clone git://github.com/yyuu/pyenv.git .pyenv
2. **Define environment variable `PYENV_ROOT`** to point to the path where
pyenv repo is cloned and add `$PYENV_ROOT/bin` to your `$PATH` for access
to the `pyenv` command-line utility.
pyenv repo is cloned and add `$PYENV_ROOT/bin` to your `$PATH` for access
to the `pyenv` command-line utility.
$ echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bash_profile
$ echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bash_profile
@ -189,24 +189,26 @@ to the `pyenv` command-line utility.
**Zsh note**: Modify your `~/.zshenv` file instead of `~/.bash_profile`.
**Ubuntu note**: Modify your `~/.bashrc` file instead of `~/.bash_profile`.
4. **Restart your shell so the path changes take effect.** You can now
begin using pyenv.
4. **Restart your shell so the path changes take effect.**
You can now begin using pyenv.
$ exec $SHELL
5. **Install Python versions into `$PYENV_ROOT/versions`.** For example, to
install Python 2.7.6, download and unpack the source, then run:
5. **Install Python versions into `$PYENV_ROOT/versions`.**
For example, to install Python 2.7.6, download and unpack the source, then run:
$ pyenv install 2.7.6
**NOTE** If you need to pass configure option to build, please use
**NOTE:** If you need to pass configure option to build, please use
```CONFIGURE_OPTS``` environment variable.
**NOTE** If you are having trouble installing a python version please visit the wiki page about [Common Build Problems](https://github.com/yyuu/pyenv/wiki/Common-build-problems)
**NOTE:** If you are having trouble installing a python version,
please visit the wiki page about
[Common Build Problems](https://github.com/yyuu/pyenv/wiki/Common-build-problems)
6. **Rebuild the shim binaries.** You should do this any time you install
a new Python binary. (Examples: installing a new Python version,
or installing a package that provides a binary.)
6. **Rebuild the shim binaries.**
You should do this any time you install a new Python binary.
(Examples: installing a new Python version, or installing a package that provides a binary.)
$ pyenv rehash
@ -221,8 +223,7 @@ To upgrade to the latest development version of pyenv, use `git pull`:
$ cd ~/.pyenv
$ git pull
To upgrade to a specific release of pyenv, check out the corresponding
tag:
To upgrade to a specific release of pyenv, check out the corresponding tag:
$ cd ~/.pyenv
$ git fetch
@ -233,13 +234,12 @@ tag:
### Homebrew on Mac OS X
You can also install pyenv using the
[Homebrew](http://brew.sh) package manager on Mac OS X.
You can also install pyenv using the [Homebrew](http://brew.sh)
package manager for Mac OS X.
$ brew update
$ brew install pyenv
~~~
$ brew update
$ brew install pyenv
~~~
To upgrade pyenv in the future, just use `upgrade` instead of `install`.
@ -293,250 +293,24 @@ to remove. You can find the directory of a particular Python version
with the `pyenv prefix` command, e.g. `pyenv prefix 2.6.8`.
----
## Command Reference
Like `git`, the `pyenv` command delegates to subcommands based on its
first argument. The most common subcommands are:
See [COMMANDS.md](COMMANDS.md).
### pyenv local
Sets a local application-specific Python version by writing the version
name to a `.python-version` file in the current directory. This version
overrides the global version, and can be overridden itself by setting
the `PYENV_VERSION` environment variable or with the `pyenv shell`
command.
$ pyenv local 2.7.6
When run without a version number, `pyenv local` reports the currently
configured local version. You can also unset the local version:
$ pyenv local --unset
Previous versions of pyenv stored local version specifications in a
file named `.pyenv-version`. For backwards compatibility, pyenv will
read a local version specified in an `.pyenv-version` file, but a
`.python-version` file in the same directory will take precedence.
#### pyenv local (advanced)
You can specify multiple versions as local Python at once.
Let's say if you have two versions of 2.7.6 and 3.3.3. If you prefer 2.7.6 over 3.3.3,
$ pyenv local 2.7.6 3.3.3
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/path/to/project/.python-version)
* 3.3.3 (set by /Users/yyuu/path/to/project/.python-version)
$ python --version
Python 2.7.6
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
or, if you prefer 3.3.3 over 2.7.6,
$ pyenv local 3.3.3 2.7.6
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/path/to/project/.python-version)
* 3.3.3 (set by /Users/yyuu/path/to/project/.python-version)
venv27
$ python --version
Python 3.3.3
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
### pyenv global
Sets the global version of Python to be used in all shells by writing
the version name to the `~/.pyenv/version` file. This version can be
overridden by an application-specific `.python-version` file, or by
setting the `PYENV_VERSION` environment variable.
$ pyenv global 2.7.6
The special version name `system` tells pyenv to use the system Python
(detected by searching your `$PATH`).
When run without a version number, `pyenv global` reports the
currently configured global version.
#### pyenv global (advanced)
You can specify multiple versions as global Python at once.
Let's say if you have two versions of 2.7.6 and 3.3.3. If you prefer 2.7.6 over 3.3.3,
$ pyenv global 2.7.6 3.3.3
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/.pyenv/version)
* 3.3.3 (set by /Users/yyuu/.pyenv/version)
$ python --version
Python 2.7.6
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
or, if you prefer 3.3.3 over 2.7.6,
$ pyenv global 3.3.3 2.7.6
$ pyenv versions
system
* 2.7.6 (set by /Users/yyuu/.pyenv/version)
* 3.3.3 (set by /Users/yyuu/.pyenv/version)
venv27
$ python --version
Python 3.3.3
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
### pyenv shell
Sets a shell-specific Python version by setting the `PYENV_VERSION`
environment variable in your shell. This version overrides
application-specific versions and the global version.
$ pyenv shell pypy-2.2.1
When run without a version number, `pyenv shell` reports the current
value of `PYENV_VERSION`. You can also unset the shell version:
$ pyenv shell --unset
Note that you'll need pyenv's shell integration enabled (step 3 of
the installation instructions) in order to use this command. If you
prefer not to use shell integration, you may simply set the
`PYENV_VERSION` variable yourself:
$ export PYENV_VERSION=pypy-2.2.1
#### pyenv shell (advanced)
You can specify multiple versions via `PYENV_VERSION` at once.
Let's say if you have two versions of 2.7.6 and 3.3.3. If you prefer 2.7.6 over 3.3.3,
$ pyenv shell 2.7.6 3.3.3
$ pyenv versions
system
* 2.7.6 (set by PYENV_VERSION environment variable)
* 3.3.3 (set by PYENV_VERSION environment variable)
$ python --version
Python 2.7.6
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
or, if you prefer 3.3.3 over 2.7.6,
$ pyenv shell 3.3.3 2.7.6
$ pyenv versions
system
* 2.7.6 (set by PYENV_VERSION environment variable)
* 3.3.3 (set by PYENV_VERSION environment variable)
venv27
$ python --version
Python 3.3.3
$ python2.7 --version
Python 2.7.6
$ python3.3 --version
Python 3.3.3
### pyenv versions
Lists all Python versions known to pyenv, and shows an asterisk next to
the currently active version.
$ pyenv versions
2.5.6
2.6.8
* 2.7.6 (set by /home/yyuu/.pyenv/version)
3.3.3
jython-2.5.3
pypy-2.2.1
### pyenv version
Displays the currently active Python version, along with information on
how it was set.
$ pyenv version
2.7.6 (set by /home/yyuu/.pyenv/version)
### pyenv rehash
Installs shims for all Python binaries known to pyenv (i.e.,
`~/.pyenv/versions/*/bin/*`). Run this command after you install a new
version of Python, or install a package that provides binaries.
$ pyenv rehash
### pyenv which
Displays the full path to the executable that pyenv will invoke when
you run the given command.
$ pyenv which python3.3
/home/yyuu/.pyenv/versions/3.3.3/bin/python3.3
### pyenv whence
Lists all Python versions with the given command installed.
$ pyenv whence 2to3
2.6.8
2.7.6
3.3.3
### pyenv install
Part of [Python-build](https://github.com/yyuu/pyenv/tree/master/plugins/python-build), this installs versions of python
$ pyenv install 2.7.6
$ pyenv install 2.6.8
$ pyenv versions
system
2.6.8
* 2.7.6 (set by /home/yyuu/.pyenv/version)
### pyenv install --list
List available remote versions of Python, including Anaconda, Jython, pypy, and stackless
$ pyenv install --list
----
## Development
The pyenv source code is [hosted on
GitHub](https://github.com/yyuu/pyenv). It's clean, modular,
and easy to understand, even if you're not a shell hacker.
The pyenv source code is [hosted on GitHub](https://github.com/yyuu/pyenv).
It's clean, modular, and easy to understand--even if you're not a shell hacker.
Please feel free to submit pull requests and file bugs on the [issue
tracker](https://github.com/yyuu/pyenv/issues).
Please feel free to submit Pull Requests and report bugs on the
[issue tracker](https://github.com/yyuu/pyenv/issues).
### Version History