system.util.jsonEncode
This function is used in Python Scripting.
Description​
Takes a Python object such as a list or dictionary and converts into a JSON string.
Client Permission Restrictions​
This scripting function has no Client Permission restrictions.
Syntax​
system.util.jsonEncode(pyObj, [indentFactor])
Parameters​
| Type | Parameter | Description |
|---|---|---|
| Any | pyObj | The Python object to encode into JSON such as a Python list or dictionary. |
| Integer | indentFactor | The number of spaces to add to each level of indentation for prettyprinting. [optional] |
Returns​
String - The encoded JSON string.
New in 8.1.28
**Float** - The encoded JSON value when encoding BigDecimal Java types.Scope​
Gateway, Vision Client, Perspective Session
JSON to Python Mapping​
The table below lists possible Python types, and how they map to JSON objects.
| JSON Type | Mapped Python Type |
|---|---|
| Boolean (True/False) | Boolean (true/false) |
| String | String |
| Number (Float, Integer) | Numeric |
| None | null |
| Sequence | Array |
| Dictionary | Object |
Code Examples​
Example #1
# The following example builds a Python dictionary, and converts it to a JSON string
# Build the Python dictionary
employeeDict = {"employees":[{"firstName":"John", "lastName":"Doe"},{"firstName":"Anna", "lastName":"Smith"},{"firstName":"Peter", "lastName":"Jones"}]}
# Convert the dictionary and store the resulting JSON string in a variable.
jsonString = system.util.jsonEncode(employeeDict)
Keywords​
system util jsonEncode, util.jsonEncode