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Bootstrap Python projects with virtualenv and pip.

Project Description

Bootstrap Python projects or libraries by checking system pre-requirements if necessary, creating virtual environment, installing all requirements there and finally execute post-bootstrap hooks if any.

Requirements

Installation

As easy as:

# pip install bootstrapper

License

bootstrapper is licensed under the terms of BSD License.

Configuration

You may configure any option of bootstrapper, virtualenv and pip by setting it in bootstrap.cfg file. For example:

[bootstrapper]
env = venv
hook = cp -r {PROJECT}/settings_local.py{{.def,}}

[pip]
quiet = True

[virtualenv]
quiet = True

By default, next configuration would be used:

[bootstrapper]
env = env
requirements = requirements.txt
quiet = False

[pip]
download_cache = ~/.bootstrapper/pip-cache/

Note

Download cache option would be used only for pip 1.x as pip 6.0 introduce changes to caching and don’t use this option anymore.

Your configuration or arguments from command line overwrite default options, when arguments from command line overwrite your configuration as well.

Usage

$ bootstrapper --help
usage: bootstrapper [-h] [--version] [-c CONFIG]
                    [-p PRE_REQUIREMENTS [PRE_REQUIREMENTS ...]] [-e ENV]
                    [-r REQUIREMENTS] [-C HOOK] [--recreate] [-q]

Bootstrap Python projects and libraries with virtualenv and pip.

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  -c CONFIG, --config CONFIG
                        Path to config file. By default: bootstrap.cfg
  -p PRE_REQUIREMENTS [PRE_REQUIREMENTS ...], --pre-requirements PRE_REQUIREMENTS [PRE_REQUIREMENTS ...]
                        List of pre-requirements to check, separated by space.
  -e ENV, --env ENV     Virtual environment name. By default: env
  -r REQUIREMENTS, --requirements REQUIREMENTS
                        Path to requirements file. By default:
                        requirements.txt
  -C HOOK, --hook HOOK  Execute this hook after bootstrap process.
  --recreate            Recreate virtualenv on every run.
  -q, --quiet           Minimize output, show only error messages.

How it works?

There are two types of Python installables: libraries and projects, where library is Python code which only has setup.py and project is Python code that has at least requirements.txt, but could have setup.py as well.

Bootstrapper created as tool for installs Python projects, but time after time I needed to use it with libraries too, so from version 0.2 script check if passed requirements file exists on disk and if does just run,

$ pip install -r requirements.txt ...

inside of created virtual environment. But if requirements file does not exist, script sends other arguments to pip,

$ pip install -U -e . ...

and this is all magic.

So in pseudo-code installing Python library or project with bootstrapper is simple process of 4 steps:

check_pre_requirements(list)
create_virtual_environment(env)
install_library_or_project(env)
run_hook(hook)

Changelog

0.5 (2015-01-07)

  • Do not use --download-cache option for pip>=6.0. More about new pip caching

0.4 (2014-08-25)

  • Exit from bootstrap script if given config file doesn’t exist
  • Do not run post-bootstrap hook if environment creation or requirements installation ended with error

0.3.1 (2014-03-08)

  • Fix UnboundLocalError in function to create virtual environment

0.3 (2014-03-02)

  • Do not recreate virtual environment if already working in activated virtual environment
  • Colorize error messages if system has pip 1.5+
  • Support multiple command line arguments for pip 1.5 from config files
  • Ignore double handling of virtualenv/pip errors

0.2.2 (2013-12-25)

  • More fixes to MS Windows platform
  • Ability to use {pip} in bootstrap.cfg as path to pip different in MS Windows and Unix systems
  • Store full traceback on interrupting workflow or unexcepted error

0.2.1 (2013-12-20)

  • Fix installing requirements in venv on MS Windows platform

0.2 (2013-12-18)

  • Full support of MS Windows platform
  • Ability to use bootstrapper for libraries with only setup.py as well as for projects with requirements.txt or other requirements file
  • Remove support of major/minor requirements in favor of tox

0.1.6 (2013-12-17)

  • Initial support of MS Windows platform

0.1.5 (2013-06-02)

  • Real support of Python 3 versions
  • Enable Travis CI support
  • Refactor bootstrapper to Python module

0.1.4 (2013-06-02)

  • Support Python 3 versions

0.1.3 (2013-05-28)

  • Disable --use-mirrors key by default for installing requirements via pip cause of latest PyPI CDN changes

0.1.2 (2013-05-28)

  • Make ability to reuse cached pip files by storing them in ~/.bootstrapper user directory by default

0.1.1 (2013-01-02)

  • Use --use-mirrors key by default when pip installs requirements to virtual environment

0.1 (2012-09-26)

  • Initial release
Release History

Release History

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1.0.0

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1.0.0a2

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1.0.0a1

This version
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0.5

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0.4

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0.3.1

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0.3

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0.2.2

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0.2.1

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0.2

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0.1.6

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0.1.5

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0.1.4

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0.1.3

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0.1.2

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0.1.1

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0.1

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
bootstrapper-0.5-py2.py3-none-any.whl (12.1 kB) Copy SHA256 Checksum SHA256 3.4 Wheel Jan 7, 2015
bootstrapper-0.5.tar.gz (9.2 kB) Copy SHA256 Checksum SHA256 Source Jan 7, 2015

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