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Description:

jcson 0.1.6

jcson - enhanced json for configuration

Introdcution
The jcson python module is an enhanced json parser, that supports:

path expression subtitutions, with fallback to environment variables.
include directive
new line and inline comments

Path expression sustitutions
Substitutions are a way of referring to other parts of the configuration tree.
The syntax is pathe.xpressionwherethepath.expressionisusedtowriteoutapaththroughtheobjectgraph,like{foo.bar} that refers to { "foo": { "bar" : 42 }
If a substitution is not present within a configuration tree, search will attempt to fallback to environment variables.
Include directive
An include directive consists of the unquoted string include followed by quoted filename.
include "include.jcson"

Instaling
Install and update using pip:
pip install -U jcson

A simple example
Sample config file simple.jcson:
{
"foo" : {
"bar": "some value"
},

"bar_value": "${foo.bar}",

"concatenated": "${foo.bar} used later"
}

Pyhton code that reads it:
import json
import jcson

c = jcson.read('simple.jcson')

print (json.dumps(c, indent=4))

Output:
{
"foo" : {
"bar": "some value"
},

"bar_value": "some value",

"concatenated": "some value used later"
}