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Description:

javaproperties 0.8.1

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javaproperties provides support for reading & writing Java .properties files (both
the simple line-oriented format and XML) with a simple API based on the
json module — though, for recovering Java addicts, it also includes a
Properties class intended to match the behavior of Java 8’s java.util.Properties as much as
is Pythonically possible.
Previous versions of javaproperties included command-line programs for
basic manipulation of .properties files. As of version 0.4.0, these
programs have been split off into a separate package, javaproperties-cli.

Installation
javaproperties requires Python 3.6 or higher. Just use pip for Python 3 (You have pip, right?) to install it:
python3 -m pip install javaproperties

Examples
Dump some keys & values (output order not guaranteed):
>>> properties = {"key": "value", "host:port": "127.0.0.1:80", "snowman": "☃", "goat": "🐐"}
>>> print(javaproperties.dumps(properties))
#Mon Sep 26 14:57:44 EDT 2016
key=value
goat=\ud83d\udc10
host\:port=127.0.0.1\:80
snowman=\u2603

Load some keys & values:
>>> javaproperties.loads('''
... #Mon Sep 26 14:57:44 EDT 2016
... key = value
... goat: \\ud83d\\udc10
... host\\:port=127.0.0.1:80
... #foo = bar
... snowman ☃
... ''')
{'goat': '🐐', 'host:port': '127.0.0.1:80', 'key': 'value', 'snowman': '☃'}

Dump some properties to a file and read them back in again:
>>> with open('example.properties', 'w', encoding='latin-1') as fp:
... javaproperties.dump(properties, fp)
...
>>> with open('example.properties', 'r', encoding='latin-1') as fp:
... javaproperties.load(fp)
...
{'goat': '🐐', 'host:port': '127.0.0.1:80', 'key': 'value', 'snowman': '☃'}

Sort the properties you’re dumping:
>>> print(javaproperties.dumps(properties, sort_keys=True))
#Mon Sep 26 14:57:44 EDT 2016
goat=\ud83d\udc10
host\:port=127.0.0.1\:80
key=value
snowman=\u2603

Turn off the timestamp:
>>> print(javaproperties.dumps(properties, timestamp=None))
key=value
goat=\ud83d\udc10
host\:port=127.0.0.1\:80
snowman=\u2603

Use your own timestamp (automatically converted to local time):
>>> print(javaproperties.dumps(properties, timestamp=1234567890))
#Fri Feb 13 18:31:30 EST 2009
key=value
goat=\ud83d\udc10
host\:port=127.0.0.1\:80
snowman=\u2603

Dump as XML:
>>> print(javaproperties.dumps_xml(properties))
<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
<properties>
<entry key="key">value</entry>
<entry key="goat">🐐</entry>
<entry key="host:port">127.0.0.1:80</entry>
<entry key="snowman">☃</entry>
</properties>

New in v0.6.0: Dump Unicode characters as-is instead of escaping them:
>>> print(javaproperties.dumps(properties, ensure_ascii=False))
#Tue Feb 25 19:13:27 EST 2020
key=value
goat=🐐
host\:port=127.0.0.1\:80
snowman=☃

And more!