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Requirements management tool.

Project description


|circleci_build| |pypi_version| |pypi_license|


- PUNDLEENV can include comma separated envs
- Pipfile initial support. Only strings as versions now.
Do not calculates hashes and do not use it yet.
- New support with mocking of setuptools.setup
- Added python shell ``try package`` feature. To use it use
``pundle.use("package_name==0.1")``. Version is optional.
- Added environments support. To use it just make files like
``requirement.txt``, ``requirements_dev.txt``,
``requirements_test.txt``. To activate env use like
``PUNDLEENV=dev pundle ...``
- Added VCS support for urls like
Push exactly like this formatted str to requirements.txt
- Added initial support for requirements. Helpful for package

What is it all about?

Pundle get rid of virtualenv, because I think that virtualenv is pile of
garbage and we must get rid of it.

- Pundle install all packages and its versions to special folder. And
mount pinned, frozen versions on activate step.
- After that you program will use exactly this versions that were
pinned in ``frozen.txt``.
- If you change branch or edit requirements.txt or frozen.txt, pundle
will note you about you need make install new packages or freeze
newly added packages. It will not let you use packages that have not
bin pinned. You will never fall in situation where you test old
version of package.

Why not Pipenv, I heard it is "for humans"?

I don't think that anything that is based on virtualenv can be "for humans".

How to


.. code-block:: bash

> pip install pundle

or just place ```` where python can find it

Create ``requirements.txt`` or ```` (we will support .toml a bit
later). You can pin versions if you need it, or just place package name.
Pundle will pin it anyway as well as all of it dependencies.

Reveal all dependencies, pin versions, download and install everything:

.. code-block:: bash

> python -m pundle

Where actually it will install? Pundle use special folder
``.pundledir/python-version/package-name-version`` for every seperate
package and version.

To make it short create alias:

.. code-block:: bash

alias pundle='/usr/bin/env python -m pundle'
pundle install

After packages install, frozen/pinned, we want to use them, you know,
import, right?

.. code-block:: python

import pundle; pundle.activate()

Or we can try to use pundle features:

.. code-block:: bash

# to execute entry point
pundle exec some_package_entry_point
# to run python script
pundle run
# run module like python -m
pundle module

To add VCS to ``requirements.txt`` use ``git+url#egg=my_package-0.1.11``

Pundle console

To start console with Pundle activated use

.. code-block:: bash

> pundle console [ipython|ptpython|bpython]

You will have ``pundle_suite`` object inserted to environment. You can use it
to call ``pundle_suite.use("trafaret_schema")`` for example.

Python shell usage

You can use pundle to expirement in python shell:

.. code-block:: python

>>> import pundle
>>> pundle.use('django==1.11.1') # will download and install django
>>> import django

Or you can use it in script:

.. code-block:: python

>>> import pundle
>>> pundle.use('django')
>>> pundle.use('arrow')
>>> pundle.use('trafaret')
>>> import django
>>> import arrow
>>> import trafaret


Pundle support environments. You can create seperate requirements file
with suffix like ``requirements_dev.txt``. Pundle will create
``frozen_dev.txt`` that will track common requirements + dev

To use ``dev`` environment use ``PUNDLEENV=dev`` environment variable:

.. code-block:: bash

bash> PUNDLEENV=dev pundle run

or common usage:

.. code-block:: bash

bash> PUNDLEENV=test pundle exec pytest

For ```` file pundle uses ``extras_require`` as environments. For example if
you have ``extras_require = {'test': ['pylint', 'pyflakes']}`` then you can use
``pylint`` with ``PUNDLEENV=test pundle exec pylint``.

More usage info

Upgrade package:

.. code-block:: bash

pundle upgrade django

Upgrade all packages:

.. code-block:: bash

pundle upgrade

List of all entry points:

.. code-block:: bash

pundle entry_points

Do not hesitate to ``pundle help`` ;)


Q: How to use custom index url or extra index?

A: use PIP_EXTRA_INDEX_URL or any other ``pip`` environment variables.

.. |circleci_build| image::
.. |pypi_version| image::
.. |pypi_license| image::

Project details

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