A drop-in replacement for pprint that's actually pretty
Project description
Now with Python 3 support!
Installation
pprint++ can be installed with Python 2 or Python 3 using pip or easy_install:
$ pip install pprintpp - OR - $ easy_install pprintpp
Usage
pprint++ can be used in three ways:
Through the separate pp package:
$ pip install pp-ez $ python ... >>> import pp >>> pp(["Hello", "world"]) ["Hello", "world"]
For more, see https://pypi-hypernode.com/pypi/pp-ez
As a command-line program, which will read Python literals from standard in and pretty-print them:
$ echo "{'hello': 'world'}" | pypprint {'hello': 'world'}To monkeypatch pprint:
>>> import pprintpp >>> pprintpp.monkeypatch() >>> import pprint >>> pprint.pprint(...)
Note: the original pprint module will be available with import pprint_original.
And, if you really want, it can even be imported as a regular module:
>>> import pprintpp >>> pprintpp.pprint(...)
Usability Protips
pp
For bonus code aesthetics, pprintpp.pprint can be imported as pp:
>>> from pprintpp import pprint as pp
>>> pp(...)And if that is just too many letters, the pp-ez package can be installed from PyPI, ensuring that pretty-printing is never more than an import pp away:
$ pip install pp-ez $ python ... >>> import pp >>> pp(["Hello", "world"]) ["Hello", "world"]
For more, see https://pypi-hypernode.com/pypi/pp-ez
Why is it prettier?
Unlike pprint, pprint++ strives to emit a readable, largely PEP8-compliant, representation of its input.
It also has explicit support for: the collections module (defaultdict and Counter) and numpy arrays:
>>> import numpy as np
>>> from collections import defaultdict, Counter
>>> pprint([np.array([[1,2],[3,4]]), defaultdict(int, {"foo": 1}), Counter("aaabbc")])
[
array([[1, 2],
[3, 4]]),
defaultdict(<type 'int'>, {'foo': 1}),
Counter({'a': 3, 'b': 2, 'c': 1}),
]Unicode characters, when possible, will be printed un-escaped. This is done by checking both the output stream’s encoding (defaulting to utf-8) and the character’s Unicode category. An effort is made to print only characters which will be visually unambiguous: letters and numbers will be printed un-escaped, spaces, combining characters, and control characters will be escaped:
>>> unistr = u"\xe9e\u0301"
>>> print unistr
éé
>>> pprint(unistr)
u'ée\u0301'The output stream’s encoding will be considered too:
>>> import io
>>> stream = io.BytesIO()
>>> stream.encoding = "ascii"
>>> pprint(unistr, stream=stream)
>>> print stream.getvalue()
u'\xe9e\u0301'Note: pprint++ is still under development, so the format will change and improve over time.
Example
With printpp:
>>> import pprintpp
>>> pprintpp.pprint(["Hello", np.array([[1,2],[3,4]])])
[
'Hello',
array([[1, 2],
[3, 4]]),
]
>>> pprintpp.pprint(tweet)
{
'coordinates': None,
'created_at': 'Mon Jun 27 19:32:19 +0000 2011',
'entities': {
'hashtags': [],
'urls': [
{
'display_url': 'tumblr.com/xnr37hf0yz',
'expanded_url': 'http://tumblr.com/xnr37hf0yz',
'indices': [107, 126],
'url': 'http://t.co/cCIWIwg',
},
],
'user_mentions': [],
},
'place': None,
'source': '<a href="http://www.tumblr.com/" rel="nofollow">Tumblr</a>',
'truncated': False,
'user': {
'contributors_enabled': True,
'default_profile': False,
'entities': {'hashtags': [], 'urls': [], 'user_mentions': []},
'favourites_count': 20,
'id_str': '6253282',
'profile_link_color': '0094C2',
},
}Without printpp:
>>> import pprint
>>> import numpy as np
>>> pprint.pprint(["Hello", np.array([[1,2],[3,4]])])
['Hello', array([[1, 2],
[3, 4]])]
>>> tweet = {'coordinates': None, 'created_at': 'Mon Jun 27 19:32:19 +0000 2011', 'entities': {'hashtags': [], 'urls': [{'display_url': 'tumblr.com/xnr37hf0yz', 'expanded_url': 'http://tumblr.com/xnr37hf0yz', 'indices': [107, 126], 'url': 'http://t.co/cCIWIwg'}], 'user_mentions': []}, 'place': None, 'source': '<a href="http://www.tumblr.com/" rel="nofollow">Tumblr</a>', 'truncated': False, 'user': {'contributors_enabled': True, 'default_profile': False, 'entities': {'hashtags': [], 'urls': [], 'user_mentions': []}, 'favourites_count': 20, 'id_str': '6253282', 'profile_link_color': '0094C2'}}
>>> pprint.pprint(tweet)
{'coordinates': None,
'created_at': 'Mon Jun 27 19:32:19 +0000 2011',
'entities': {'hashtags': [],
'urls': [{'display_url': 'tumblr.com/xnr37hf0yz',
'expanded_url': 'http://tumblr.com/xnr37hf0yz',
'indices': [107, 126],
'url': 'http://t.co/cCIWIwg'}],
'user_mentions': []},
'place': None,
'source': '<a href="http://www.tumblr.com/" rel="nofollow">Tumblr</a>',
'truncated': False,
'user': {'contributors_enabled': True,
'default_profile': False,
'entities': {'hashtags': [], 'urls': [], 'user_mentions': []},
'favourites_count': 20,
'id_str': '6253282',
'profile_link_color': '0094C2'}}
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