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Description:

repr 0.3.1

A magic shortcut to generate __repr__ methods for your classes.

Free software: BSD license

Installation
pip install repr
This package contains a single module magic_repr called so
to not conflict with standart python’s repr.

Reasoning
What do you think each time, writing such code?
def __repr__(self):
return """
Issue(changelog={self.changelog},
type={self.type},
comment={self.comment},
created_at={self.created_at},
resolved_at={self.resolved_at})""".format(self=self).strip().encode('utf-8')
Isn’t this much better and readable?
__repr__ = make_repr('changelog', 'type', 'comment', 'created_at', 'resolved_at')
And this produces much nicer output:
<Issue changelog=<Changelog namespace=u'python'
name=u'geocoder'
source=u'https://github.com/DenisCarriere/geocoder'>
type=u'wrong-version-content'
comment=u'AllMyChanges should take release notes from the web site.'
created_at=datetime.datetime(2016, 6, 17, 6, 44, 52, 16760, tzinfo=<UTC>)
resolved_at=None>

Another advantage of the magic_repr
Is it’s recursiveness. If you use magic_repr for your objects and they
include each other, then representation of the parent object will include
child objects properly nested:
<Foo bars={1: <Bar first=1
second=2
third=3>,
2: <Bar first=1
second=2
third=3>,
u'три': <Bar first=1
second=2
third=3>}>
And all this for free! Just do __repr__ = make_repr().

Usage
For simple cases it is enough to call make_repr without arguments. It will figure out
which attributes object has and will output them sorted alphabetically.
You can also specify which attributes you want to include in “representaion”:
from magic_repr import make_repr

__repr__ = make_repr('foo', 'bar')
And to specify a function to create a value for an attribute, using keywords:
from magic_repr import make_repr

class Some(object):
def is_active(self):
return True

Some.__repr__ = make_repr(active=Some.is_active)
Pay attention, that in this case __repr__ was created after the class definition.
This is because inside of the class it can’t reference itself.

Documentation
https://python-repr.readthedocs.io/

Development
To run the all tests run:
tox
Note, to combine the coverage data from all the tox environments run:

Windows
set PYTEST_ADDOPTS=--cov-append
tox

Other
PYTEST_ADDOPTS=--cov-append tox

Changelog

0.3.1 (2016-06-22)

Fixed issue #1 prevented generated __repr__ methods to work in mutithreaded programs.

0.3.0 (2016-06-20)

Now make_repr can be used for recursive datastructures.

0.2.1 (2016-06-19)

Documentation improved.

0.2.0 (2016-06-19)

Better handling of nested datastructure.
Callables as source of the attribute’s value.
Some documentation.

0.1.0 (2016-06-09)

First release on PyPI.